diff --git a/Example/.DS_Store b/Example/.DS_Store
index 7e3dc6ac0..bcf398864 100644
Binary files a/Example/.DS_Store and b/Example/.DS_Store differ
diff --git a/Example/Podfile b/Example/Podfile
index 878e6d16f..ce609def5 100644
--- a/Example/Podfile
+++ b/Example/Podfile
@@ -46,7 +46,7 @@ target 'SJVideoPlayer_Example' do
 #  pod 'SJBaseVideoPlayer/IJKPlayer', :path => '../../SJBaseVideoPlayer'
 #
 ## 切换为 Aliplayer, 详见: https://github.com/changsanjiang/SJVideoPlayer/wiki/Use-AliPlayer
-#  pod 'SJBaseVideoPlayer/AliPlayer', :path => '../../SJBaseVideoPlayer'
+#  pod 'SJBaseVideoPlayer/AliPlayer'#, :path => '../../SJBaseVideoPlayer'
 #
 ## 切换为 AliVodPlayer, 详见: https://github.com/changsanjiang/SJVideoPlayer/wiki/Use-AliVodPlayer
 #  pod 'SJBaseVideoPlayer/AliVodPlayer', :path => '../../SJBaseVideoPlayer'
diff --git a/Example/Podfile.lock b/Example/Podfile.lock
index eca1379f1..b4f44ecfa 100644
--- a/Example/Podfile.lock
+++ b/Example/Podfile.lock
@@ -7,40 +7,40 @@ PODS:
   - SDWebImage (5.9.5):
     - SDWebImage/Core (= 5.9.5)
   - SDWebImage/Core (5.9.5)
-  - SJBaseVideoPlayer (3.4.3):
+  - SJBaseVideoPlayer (3.4.5):
     - Masonry
-    - SJBaseVideoPlayer/AVPlayer (= 3.4.3)
-    - SJBaseVideoPlayer/Common (= 3.4.3)
+    - SJBaseVideoPlayer/AVPlayer (= 3.4.5)
+    - SJBaseVideoPlayer/Common (= 3.4.5)
     - SJUIKit/AttributesFactory (>= 0.0.0.38)
     - SJUIKit/ObserverHelper
     - SJUIKit/Queues
     - SJUIKit/SQLite3
-  - SJBaseVideoPlayer/AVPlayer (3.4.3):
+  - SJBaseVideoPlayer/AVPlayer (3.4.5):
     - Masonry
     - SJBaseVideoPlayer/Common
     - SJUIKit/AttributesFactory (>= 0.0.0.38)
     - SJUIKit/ObserverHelper
     - SJUIKit/Queues
     - SJUIKit/SQLite3
-  - SJBaseVideoPlayer/Common (3.4.3):
+  - SJBaseVideoPlayer/Common (3.4.5):
     - Masonry
     - SJBaseVideoPlayer/ResourceLoader
     - SJUIKit/AttributesFactory (>= 0.0.0.38)
     - SJUIKit/ObserverHelper
     - SJUIKit/Queues
     - SJUIKit/SQLite3
-  - SJBaseVideoPlayer/ResourceLoader (3.4.3):
+  - SJBaseVideoPlayer/ResourceLoader (3.4.5):
     - Masonry
     - SJUIKit/AttributesFactory (>= 0.0.0.38)
     - SJUIKit/ObserverHelper
     - SJUIKit/Queues
     - SJUIKit/SQLite3
   - SJFullscreenPopGesture/ObjC (1.5.4)
-  - SJMediaCacheServer (1.3.0):
+  - SJMediaCacheServer (1.3.2):
     - KTVCocoaHTTPServer
-    - SJMediaCacheServer/Core (= 1.3.0)
+    - SJMediaCacheServer/Core (= 1.3.2)
     - SJUIKit/SQLite3
-  - SJMediaCacheServer/Core (1.3.0):
+  - SJMediaCacheServer/Core (1.3.2):
     - KTVCocoaHTTPServer
     - SJUIKit/SQLite3
   - SJPlaybackListController (0.0.5):
@@ -108,21 +108,21 @@ PODS:
   - SJUIKit/UIMaker (0.0.0.51):
     - SJUIKit/UIMaker/Core (= 0.0.0.51)
   - SJUIKit/UIMaker/Core (0.0.0.51)
-  - SJVideoPlayer (3.2.8):
-    - SJBaseVideoPlayer (>= 3.4.3)
-    - SJVideoPlayer/Common (= 3.2.8)
-    - SJVideoPlayer/ControlLayers (= 3.2.8)
-    - SJVideoPlayer/ResourceLoader (= 3.2.8)
-  - SJVideoPlayer/Common (3.2.8):
+  - SJVideoPlayer (3.2.9):
+    - SJBaseVideoPlayer (>= 3.4.5)
+    - SJVideoPlayer/Common (= 3.2.9)
+    - SJVideoPlayer/ControlLayers (= 3.2.9)
+    - SJVideoPlayer/ResourceLoader (= 3.2.9)
+  - SJVideoPlayer/Common (3.2.9):
     - Masonry
-    - SJBaseVideoPlayer (>= 3.4.3)
+    - SJBaseVideoPlayer (>= 3.4.5)
     - SJUIKit/AttributesFactory
     - SJVideoPlayer/ResourceLoader
-  - SJVideoPlayer/ControlLayers (3.2.8):
-    - SJBaseVideoPlayer (>= 3.4.3)
+  - SJVideoPlayer/ControlLayers (3.2.9):
+    - SJBaseVideoPlayer (>= 3.4.5)
     - SJVideoPlayer/Common
-  - SJVideoPlayer/ResourceLoader (3.2.8):
-    - SJBaseVideoPlayer (>= 3.4.3)
+  - SJVideoPlayer/ResourceLoader (3.2.9):
+    - SJBaseVideoPlayer (>= 3.4.5)
   - YYModel (1.0.4)
 
 DEPENDENCIES:
@@ -163,15 +163,15 @@ SPEC CHECKSUMS:
   Masonry: 678fab65091a9290e40e2832a55e7ab731aad201
   MJRefresh: 53e3e3219f204425ee6d3e62e8733d3295944cd6
   SDWebImage: 0b2ba0d56479bf6a45ecddbfd5558bea93150d25
-  SJBaseVideoPlayer: 7af90105490cc751c2ddbfa615c943f88b256216
+  SJBaseVideoPlayer: 0ecccbae3bf6cad55187113247ea88f711bef276
   SJFullscreenPopGesture: 7be57b1014cb77f4b7c1e6df5e797da6d05dc75d
-  SJMediaCacheServer: 3badbaedb7794c10226b2ab97a1f81bc71105ffb
+  SJMediaCacheServer: 4e9203033c21d742b6030e7704aeb61dc38840cd
   SJPlaybackListController: e135c789fcd63d63a62d5e2e2965ab1e6d52a2bd
   SJRouter: a866e7884fc9219bed523be0a0318c3a84e85022
   SJUIKit: bdf86af3648e70483c57e2bfe2fcc7531337fa54
-  SJVideoPlayer: 0cbef06cd6c762c4d672a664a87164ed430972dd
+  SJVideoPlayer: 3cccc263bc03edccedc1b2be887b903e3dfca106
   YYModel: 2a7fdd96aaa4b86a824e26d0c517de8928c04b30
 
-PODFILE CHECKSUM: 6267c2a571b00c2bc5ea1b3ffccbc66b168e68be
+PODFILE CHECKSUM: 29e274b3a7b747f79a95901fcf2d39e60d7aef9d
 
 COCOAPODS: 1.10.0
diff --git a/Example/Pods/Local Podspecs/SJVideoPlayer.podspec.json b/Example/Pods/Local Podspecs/SJVideoPlayer.podspec.json
index ee5f634af..009d8e620 100644
--- a/Example/Pods/Local Podspecs/SJVideoPlayer.podspec.json	
+++ b/Example/Pods/Local Podspecs/SJVideoPlayer.podspec.json	
@@ -1,6 +1,6 @@
 {
   "name": "SJVideoPlayer",
-  "version": "3.2.8",
+  "version": "3.2.9",
   "summary": "video player.",
   "description": "https://github.com/changsanjiang/SJVideoPlayer/blob/master/README.md",
   "homepage": "https://github.com/changsanjiang/SJVideoPlayer",
@@ -16,12 +16,12 @@
   },
   "source": {
     "git": "https://github.com/changsanjiang/SJVideoPlayer.git",
-    "tag": "v3.2.8"
+    "tag": "v3.2.9"
   },
   "requires_arc": true,
   "dependencies": {
     "SJBaseVideoPlayer": [
-      ">= 3.4.3"
+      ">= 3.4.5"
     ]
   },
   "source_files": "SJVideoPlayer/*.{h,m}",
diff --git a/Example/Pods/Manifest.lock b/Example/Pods/Manifest.lock
index eca1379f1..b4f44ecfa 100644
--- a/Example/Pods/Manifest.lock
+++ b/Example/Pods/Manifest.lock
@@ -7,40 +7,40 @@ PODS:
   - SDWebImage (5.9.5):
     - SDWebImage/Core (= 5.9.5)
   - SDWebImage/Core (5.9.5)
-  - SJBaseVideoPlayer (3.4.3):
+  - SJBaseVideoPlayer (3.4.5):
     - Masonry
-    - SJBaseVideoPlayer/AVPlayer (= 3.4.3)
-    - SJBaseVideoPlayer/Common (= 3.4.3)
+    - SJBaseVideoPlayer/AVPlayer (= 3.4.5)
+    - SJBaseVideoPlayer/Common (= 3.4.5)
     - SJUIKit/AttributesFactory (>= 0.0.0.38)
     - SJUIKit/ObserverHelper
     - SJUIKit/Queues
     - SJUIKit/SQLite3
-  - SJBaseVideoPlayer/AVPlayer (3.4.3):
+  - SJBaseVideoPlayer/AVPlayer (3.4.5):
     - Masonry
     - SJBaseVideoPlayer/Common
     - SJUIKit/AttributesFactory (>= 0.0.0.38)
     - SJUIKit/ObserverHelper
     - SJUIKit/Queues
     - SJUIKit/SQLite3
-  - SJBaseVideoPlayer/Common (3.4.3):
+  - SJBaseVideoPlayer/Common (3.4.5):
     - Masonry
     - SJBaseVideoPlayer/ResourceLoader
     - SJUIKit/AttributesFactory (>= 0.0.0.38)
     - SJUIKit/ObserverHelper
     - SJUIKit/Queues
     - SJUIKit/SQLite3
-  - SJBaseVideoPlayer/ResourceLoader (3.4.3):
+  - SJBaseVideoPlayer/ResourceLoader (3.4.5):
     - Masonry
     - SJUIKit/AttributesFactory (>= 0.0.0.38)
     - SJUIKit/ObserverHelper
     - SJUIKit/Queues
     - SJUIKit/SQLite3
   - SJFullscreenPopGesture/ObjC (1.5.4)
-  - SJMediaCacheServer (1.3.0):
+  - SJMediaCacheServer (1.3.2):
     - KTVCocoaHTTPServer
-    - SJMediaCacheServer/Core (= 1.3.0)
+    - SJMediaCacheServer/Core (= 1.3.2)
     - SJUIKit/SQLite3
-  - SJMediaCacheServer/Core (1.3.0):
+  - SJMediaCacheServer/Core (1.3.2):
     - KTVCocoaHTTPServer
     - SJUIKit/SQLite3
   - SJPlaybackListController (0.0.5):
@@ -108,21 +108,21 @@ PODS:
   - SJUIKit/UIMaker (0.0.0.51):
     - SJUIKit/UIMaker/Core (= 0.0.0.51)
   - SJUIKit/UIMaker/Core (0.0.0.51)
-  - SJVideoPlayer (3.2.8):
-    - SJBaseVideoPlayer (>= 3.4.3)
-    - SJVideoPlayer/Common (= 3.2.8)
-    - SJVideoPlayer/ControlLayers (= 3.2.8)
-    - SJVideoPlayer/ResourceLoader (= 3.2.8)
-  - SJVideoPlayer/Common (3.2.8):
+  - SJVideoPlayer (3.2.9):
+    - SJBaseVideoPlayer (>= 3.4.5)
+    - SJVideoPlayer/Common (= 3.2.9)
+    - SJVideoPlayer/ControlLayers (= 3.2.9)
+    - SJVideoPlayer/ResourceLoader (= 3.2.9)
+  - SJVideoPlayer/Common (3.2.9):
     - Masonry
-    - SJBaseVideoPlayer (>= 3.4.3)
+    - SJBaseVideoPlayer (>= 3.4.5)
     - SJUIKit/AttributesFactory
     - SJVideoPlayer/ResourceLoader
-  - SJVideoPlayer/ControlLayers (3.2.8):
-    - SJBaseVideoPlayer (>= 3.4.3)
+  - SJVideoPlayer/ControlLayers (3.2.9):
+    - SJBaseVideoPlayer (>= 3.4.5)
     - SJVideoPlayer/Common
-  - SJVideoPlayer/ResourceLoader (3.2.8):
-    - SJBaseVideoPlayer (>= 3.4.3)
+  - SJVideoPlayer/ResourceLoader (3.2.9):
+    - SJBaseVideoPlayer (>= 3.4.5)
   - YYModel (1.0.4)
 
 DEPENDENCIES:
@@ -163,15 +163,15 @@ SPEC CHECKSUMS:
   Masonry: 678fab65091a9290e40e2832a55e7ab731aad201
   MJRefresh: 53e3e3219f204425ee6d3e62e8733d3295944cd6
   SDWebImage: 0b2ba0d56479bf6a45ecddbfd5558bea93150d25
-  SJBaseVideoPlayer: 7af90105490cc751c2ddbfa615c943f88b256216
+  SJBaseVideoPlayer: 0ecccbae3bf6cad55187113247ea88f711bef276
   SJFullscreenPopGesture: 7be57b1014cb77f4b7c1e6df5e797da6d05dc75d
-  SJMediaCacheServer: 3badbaedb7794c10226b2ab97a1f81bc71105ffb
+  SJMediaCacheServer: 4e9203033c21d742b6030e7704aeb61dc38840cd
   SJPlaybackListController: e135c789fcd63d63a62d5e2e2965ab1e6d52a2bd
   SJRouter: a866e7884fc9219bed523be0a0318c3a84e85022
   SJUIKit: bdf86af3648e70483c57e2bfe2fcc7531337fa54
-  SJVideoPlayer: 0cbef06cd6c762c4d672a664a87164ed430972dd
+  SJVideoPlayer: 3cccc263bc03edccedc1b2be887b903e3dfca106
   YYModel: 2a7fdd96aaa4b86a824e26d0c517de8928c04b30
 
-PODFILE CHECKSUM: 6267c2a571b00c2bc5ea1b3ffccbc66b168e68be
+PODFILE CHECKSUM: 29e274b3a7b747f79a95901fcf2d39e60d7aef9d
 
 COCOAPODS: 1.10.0
diff --git a/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/AVPlayer/Core/SJAVMediaPlayer.m b/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/AVPlayer/Core/SJAVMediaPlayer.m
index 9fc97d097..e398ae519 100644
--- a/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/AVPlayer/Core/SJAVMediaPlayer.m
+++ b/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/AVPlayer/Core/SJAVMediaPlayer.m
@@ -548,15 +548,6 @@ - (void)_didPlayToTrialEndPosition {
     }
 }
 
-- (void)_didPlayToEndPositoion {
-    if ( self.finishedReason != SJFinishedReasonToEndTimePosition ) {
-        self.finishedReason = SJFinishedReasonToEndTimePosition;
-        self.isPlaybackFinished = YES;
-        self.reasonForWaitingToPlay = nil;
-        self.timeControlStatus = SJPlaybackTimeControlStatusPaused;
-    }
-}
-
 - (CMTime)_adjustSeekTimeIfNeeded:(CMTime)time {
     if ( _trialEndPosition != 0 && CMTimeGetSeconds(time) >= _trialEndPosition ) {
         time = CMTimeMakeWithSeconds(_trialEndPosition * 0.98, NSEC_PER_SEC);
diff --git a/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/Common/Implements/SJFloatSmallViewController.h b/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/Common/Implements/SJFloatSmallViewController.h
index ed32c3d5c..34b61f69c 100755
--- a/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/Common/Implements/SJFloatSmallViewController.h
+++ b/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/Common/Implements/SJFloatSmallViewController.h
@@ -9,7 +9,19 @@
 #import "SJFloatSmallViewControllerDefines.h"
 
 NS_ASSUME_NONNULL_BEGIN
-@interface SJFloatSmallViewController : NSObject<SJFloatSmallViewController>
+typedef NS_ENUM(NSInteger, SJFloatViewLayoutPosition) {
+    SJFloatViewLayoutPositionTopLeft,
+    SJFloatViewLayoutPositionTopRight,
+    SJFloatViewLayoutPositionBottomLeft,
+    SJFloatViewLayoutPositionBottomRight,
+};
 
+@interface SJFloatSmallViewController : NSObject<SJFloatSmallViewController>
+/// default value is SJFloatViewLayoutPositionBottomRight.
+@property (nonatomic) SJFloatViewLayoutPosition layoutPosition;
+/// default value is UIEdgeInsetsMake(20, 12, 20, 12).
+@property (nonatomic) UIEdgeInsets layoutInsets;
+@property (nonatomic) CGSize layoutSize;
+@property (nonatomic) BOOL ignoreSafeAreaInsets API_AVAILABLE(ios(11.0));
 @end
 NS_ASSUME_NONNULL_END
diff --git a/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/Common/Implements/SJFloatSmallViewController.m b/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/Common/Implements/SJFloatSmallViewController.m
index 3ddf738e5..b2841fc14 100755
--- a/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/Common/Implements/SJFloatSmallViewController.m
+++ b/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/Common/Implements/SJFloatSmallViewController.m
@@ -101,17 +101,16 @@ @implementation SJFloatSmallViewController
 @synthesize targetSuperview = _targetSuperview;
 @synthesize enabled = _enabled;
 @synthesize target = _target;
-@synthesize safeMargin = _safeMargin;
-@synthesize floatViewInsets = _floatViewInsets;
-@synthesize floatViewAlignment = _floatViewAlignment;
+@synthesize layoutInsets = _layoutInsets;
+@synthesize layoutPosition = _layoutPosition;
 @synthesize addFloatViewToKeyWindow = _addFloatViewToKeyWindow;
+@synthesize layoutSize = _layoutSize;
 
 - (instancetype)init {
     self = [super init];
     if ( self ) {
-        _safeMargin = 12;
-        _floatViewInsets = UIEdgeInsetsZero;
-        _floatViewAlignment = SJFloatViewAlignmentBottomRight;
+        _layoutInsets = UIEdgeInsetsMake(20, 12, 20, 12);
+        _layoutPosition = SJFloatViewLayoutPositionBottomRight;
     }
     return self;
 }
@@ -142,57 +141,53 @@ - (void)showFloatView {
         else {
             superview = UIApplication.sharedApplication.keyWindow;
         }
+        
         if ( self.floatView.superview != superview ) {
             [superview addSubview:_floatView];
-            CGRect bounds = superview.bounds;
-            CGFloat width = bounds.size.width;
-            CGFloat height = bounds.size.height;
+            CGRect superViewBounds = superview.bounds;
+            CGFloat superViewWidth = superViewBounds.size.width;
+            CGFloat superViewHeight = superViewBounds.size.height;
+            
+            UIEdgeInsets safeAreaInsets = UIEdgeInsetsZero;
+            if (@available(iOS 11.0, *)) {
+                if ( !_ignoreSafeAreaInsets ) safeAreaInsets = superview.safeAreaInsets;
+            }
+
             //
-            CGFloat maxW = ceil(width * 0.48);
-            CGFloat w = maxW>300?300:maxW;
-            CGFloat h = w * 9 /16.0;
+            CGSize size = _layoutSize;
+            CGFloat w = size.width;
+            CGFloat h = size.height;
             CGFloat x = 0;
             CGFloat y = 0;
             
-            switch (_floatViewAlignment) {
-                case SJFloatViewAlignmentTop:
-                    x = (width - w)/2;
-                    y = _floatViewInsets.top;
-                    break;
-                case SJFloatViewAlignmentTopLeft:
-                    x = _floatViewInsets.left;
-                    y = _floatViewInsets.top;
-                    break;
-                case SJFloatViewAlignmentLeft:
-                    x = _floatViewInsets.left;
-                    y = (height - h)/2;
-                    break;
-                case SJFloatViewAlignmentBottomLeft:
-                    x = _floatViewInsets.left;
-                    y = height - h - _floatViewInsets.bottom;
-                    break;
-                case SJFloatViewAlignmentBottom:
-                    x = (width - w)/2;
-                    y = height - h - _floatViewInsets.bottom;
+            if ( CGSizeEqualToSize(CGSizeZero, size) ) {
+                CGFloat maxW = ceil(superViewWidth * 0.48);
+                w = maxW > 300.0 ? 300.0 : maxW;
+                h = w * 9.0 / 16.0;
+            }
+            
+            switch ( _layoutPosition ) {
+                case SJFloatViewLayoutPositionTopLeft:
+                case SJFloatViewLayoutPositionBottomLeft:
+                    x = safeAreaInsets.left + _layoutInsets.left;
                     break;
-                case SJFloatViewAlignmentBottomRight:
-                    x = width - w - _floatViewInsets.right;
-                    y = height - h - _floatViewInsets.bottom;
+                case SJFloatViewLayoutPositionTopRight:
+                case SJFloatViewLayoutPositionBottomRight:
+                    x = superViewWidth - w - _layoutInsets.right - safeAreaInsets.right;
                     break;
-                case SJFloatViewAlignmentRight:
-                    x = width - w - _floatViewInsets.right;
-                    y = (height - h)/2;
+            }
+              
+            switch ( _layoutPosition ) {
+                case SJFloatViewLayoutPositionTopLeft:
+                case SJFloatViewLayoutPositionTopRight:
+                    y = safeAreaInsets.top + _layoutInsets.top;
                     break;
-                case SJFloatViewAlignmentTopRight:
-                    x = width - w - _floatViewInsets.right;
-                    y = _floatViewInsets.top;
+                case SJFloatViewLayoutPositionBottomLeft:
+                case SJFloatViewLayoutPositionBottomRight:
+                    y = superViewHeight - h - _layoutInsets.bottom - safeAreaInsets.bottom;
                     break;
             }
-            
-            if (@available(iOS 11.0, *)) {
-                y += superview.safeAreaInsets.top;
-            }
-
+ 
             _floatView.frame = CGRectMake(x, y, w, h);
         }
         
@@ -269,10 +264,14 @@ - (void)_handlePanGesture:(UIPanGestureRecognizer *)panGesture {
         case UIGestureRecognizerStateEnded:
         case UIGestureRecognizerStateCancelled:
         case UIGestureRecognizerStateFailed: {
-            CGFloat safeMargin = _safeMargin;
             [UIView animateWithDuration:0.4 delay:0 options:UIViewAnimationOptionCurveEaseInOut animations:^{
-                CGFloat left = safeMargin;
-                CGFloat right = UIScreen.mainScreen.bounds.size.width - safeMargin - view.w;
+                UIEdgeInsets safeAreaInsets = UIEdgeInsetsZero;
+                if (@available(iOS 11.0, *)) {
+                    if ( !self.ignoreSafeAreaInsets ) safeAreaInsets = superview.safeAreaInsets;
+                }
+
+                CGFloat left = safeAreaInsets.left + self.layoutInsets.left;
+                CGFloat right = superview.bounds.size.width - view.w - self.layoutInsets.right - safeAreaInsets.right;
                 if ( view.x <= left ) {
                     [view setX:left];
                 }
@@ -280,12 +279,8 @@ - (void)_handlePanGesture:(UIPanGestureRecognizer *)panGesture {
                     [view setX:right];
                 }
                 
-                UIEdgeInsets insets = UIEdgeInsetsZero;
-                if (@available(iOS 11.0, *)) {
-                    insets = superview.safeAreaInsets;
-                }
-                CGFloat top = insets.top + safeMargin;
-                CGFloat bottom = superview.bounds.size.height - (insets.bottom + safeMargin + view.h);
+                CGFloat top = safeAreaInsets.top + self.layoutInsets.top;
+                CGFloat bottom = superview.bounds.size.height - view.h - self.layoutInsets.bottom - safeAreaInsets.bottom;
                 if ( view.y <= top ) {
                     [view setY:top];
                 }
diff --git a/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/Common/Implements/SJPlayModelPropertiesObserver.m b/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/Common/Implements/SJPlayModelPropertiesObserver.m
index 5041dc59c..5d13018c8 100755
--- a/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/Common/Implements/SJPlayModelPropertiesObserver.m
+++ b/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/Common/Implements/SJPlayModelPropertiesObserver.m
@@ -66,6 +66,7 @@ - (void)_observeProperties {
          [_playModel isKindOfClass:SJTableViewTableFooterViewPlayModel.class]  ) {
         
         SJPlayModel *curr = _playModel;
+        _beforeOffset = curr.inScrollView.contentOffset;
         while ( curr != nil ) {
             [self _observeScrollView:curr.inScrollView];
             curr = curr.nextPlayModel;
diff --git a/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/Common/Implements/SJRotationManager.m b/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/Common/Implements/SJRotationManager.m
index 604b7c34d..fea3be553 100755
--- a/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/Common/Implements/SJRotationManager.m
+++ b/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/Common/Implements/SJRotationManager.m
@@ -58,9 +58,9 @@ - (UIInterfaceOrientationMask)supportedInterfaceOrientations {
     return UIInterfaceOrientationMaskAll;
 }
 
-- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation {
-    return UIInterfaceOrientationPortrait;
-}
+//- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation {
+//    return UIInterfaceOrientationPortrait;
+//}
 
 - (void)viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator {
     _rotating = YES;
diff --git a/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/Common/Interfaces/SJFloatSmallViewControllerDefines.h b/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/Common/Interfaces/SJFloatSmallViewControllerDefines.h
index ec5ff74de..f63443000 100755
--- a/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/Common/Interfaces/SJFloatSmallViewControllerDefines.h
+++ b/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/Common/Interfaces/SJFloatSmallViewControllerDefines.h
@@ -11,18 +11,6 @@
 #import <UIKit/UIKit.h>
 
 NS_ASSUME_NONNULL_BEGIN
-
-typedef NS_ENUM(NSInteger, SJFloatViewAlignment) {
-    SJFloatViewAlignmentTop           = 0,
-    SJFloatViewAlignmentTopLeft       = 1,
-    SJFloatViewAlignmentTopRight      = 2,
-    SJFloatViewAlignmentLeft          = 3,
-    SJFloatViewAlignmentBottomLeft    = 4,
-    SJFloatViewAlignmentBottom        = 5,
-    SJFloatViewAlignmentBottomRight   = 6,
-    SJFloatViewAlignmentRight         = 7
-};
-
 @protocol SJFloatSmallViewController
 - (id<SJFloatSmallViewControllerObserverProtocol>)getObserver;
 
@@ -70,13 +58,7 @@ typedef NS_ENUM(NSInteger, SJFloatViewAlignment) {
 @property (nonatomic) BOOL addFloatViewToKeyWindow;
 
 @property (nonatomic, strong, readonly) __kindof UIView *floatView; ///< float view
-
-@property (nonatomic) CGFloat safeMargin; ///< default value is 12.
-
-@property (nonatomic) UIEdgeInsets floatViewInsets; ///
-
-@property (nonatomic) SJFloatViewAlignment floatViewAlignment; /// default value is SJFloatViewAlignmentBottomRight
-
+  
 /// 以下属性由播放器维护
 ///
 /// - target 为播放器呈现视图
diff --git a/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/SJBaseVideoPlayer.h b/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/SJBaseVideoPlayer.h
index 86e76e7ce..a5198fff9 100755
--- a/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/SJBaseVideoPlayer.h
+++ b/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/SJBaseVideoPlayer.h
@@ -715,6 +715,13 @@ NS_ASSUME_NONNULL_BEGIN
 ///     // 3. 设置双击小浮窗执行的block
 ///     _player.floatSmallViewController.doubleTappedOnTheFloatViewExeBlock = ...;
 ///
+///     // more
+/// #import <SJBaseVideoPlayer/SJFloatSmallViewController.h>
+///
+///     SJFloatSmallViewController *floatSmallViewController = _player.floatSmallViewController;
+///     floatSmallViewController.layoutPosition = SJFloatViewLayoutPositionTopRight;
+///     floatSmallViewController.layoutInsets = UIEdgeInsetsMake(20, 12, 20, 12);
+///     floatSmallViewController.layoutSize = CGSize(300, 300 * 9 / 16.0);
 /// \endcode
 ///
 @property (nonatomic, strong, null_resettable) id<SJFloatSmallViewController> floatSmallViewController;
diff --git a/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/SJBaseVideoPlayer.m b/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/SJBaseVideoPlayer.m
index 6addf535e..7978429d2 100755
--- a/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/SJBaseVideoPlayer.m
+++ b/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/SJBaseVideoPlayer.m
@@ -47,6 +47,10 @@
         NSTimeInterval offsetTime; ///< pan手势触发过程中的偏移量(secs)
     } pan;
     
+    struct {
+        CGFloat initialRate;
+    } longPress;
+    
     struct {
         SJPlayerGestureTypeMask disabledGestures;
         CGFloat rateWhenLongPressGestureTriggered;
@@ -401,11 +405,12 @@ - (void)_handlePinch:(CGFloat)scale {
 - (void)_handleLongPress:(SJLongPressGestureRecognizerState)state {
     switch ( state ) {
         case SJLongPressGestureRecognizerStateBegan:
+            self.controlInfo->longPress.initialRate = self.rate;
         case SJLongPressGestureRecognizerStateChanged:
             self.rate = self.rateWhenLongPressGestureTriggered;
             break;
         case SJLongPressGestureRecognizerStateEnded:
-            self.rate = 1.0;
+            self.rate = self.controlInfo->longPress.initialRate;
             break;
     }
     
diff --git a/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/UIScrollView+ListViewAutoplaySJAdd.h b/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/UIScrollView+ListViewAutoplaySJAdd.h
index f6cda9b49..5322b9319 100755
--- a/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/UIScrollView+ListViewAutoplaySJAdd.h
+++ b/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/UIScrollView+ListViewAutoplaySJAdd.h
@@ -19,6 +19,11 @@ NS_ASSUME_NONNULL_BEGIN
 
 @property (nonatomic, readonly) BOOL sj_enabledAutoplay;
 
+///
+/// 指定位置播放
+///
+- (void)sj_playAssetAtIndexPath:(NSIndexPath *)indexPath scrollAnimated:(BOOL)animated;
+
 ///
 /// enable autoplay
 /// 开启
@@ -44,7 +49,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 /// Developers don't need to care, this category is automatically maintained by the SJBaseVideoPlayer.
 /// 开发者无需关心, 此分类由播放器自动维护
-@interface UIScrollView (SJPlayerCurrentPlayingIndexPath)
+@interface UIScrollView (SJAutoplayPrivate)
 @property (nonatomic, strong, nullable, readonly) NSIndexPath *sj_currentPlayingIndexPath;
 - (void)setSj_currentPlayingIndexPath:(nullable NSIndexPath *)sj_currentPlayingIndexPath;
 @end
diff --git a/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/UIScrollView+ListViewAutoplaySJAdd.m b/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/UIScrollView+ListViewAutoplaySJAdd.m
index 6463727d7..73edff1e0 100755
--- a/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/UIScrollView+ListViewAutoplaySJAdd.m
+++ b/Example/Pods/SJBaseVideoPlayer/SJBaseVideoPlayer/UIScrollView+ListViewAutoplaySJAdd.m
@@ -26,8 +26,19 @@
 
 NS_ASSUME_NONNULL_BEGIN
 static NSString *const kQueue = @"SJBaseVideoPlayerAutoplayTaskQueue";
+static void sj_exeAnima(__kindof UIScrollView *scrollView, NSIndexPath *indexPath, SJAutoplayScrollAnimationType animationType);
+static void sj_playAsset(UIScrollView *scrollView, NSIndexPath *indexPath, BOOL animated);
+static SJRunLoopTaskQueue *
+sj_queue(void) {
+    static SJRunLoopTaskQueue *queue = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        queue = SJRunLoopTaskQueue.queue(kQueue).update(CFRunLoopGetMain(), kCFRunLoopDefaultMode);
+    });
+    return queue;
+}
 
-@implementation UIScrollView (SJPlayerCurrentPlayingIndexPath)
+@implementation UIScrollView (SJAutoplayPrivate)
 - (void)setSj_currentPlayingIndexPath:(nullable NSIndexPath *)sj_currentPlayingIndexPath {
     objc_setAssociatedObject(self, @selector(sj_currentPlayingIndexPath), sj_currentPlayingIndexPath, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
 }
@@ -51,6 +62,55 @@ - (BOOL)sj_enabledAutoplay {
     return [objc_getAssociatedObject(self, _cmd) boolValue];
 }
 
+- (void)sj_playAssetAtIndexPath:(NSIndexPath *)indexPath scrollAnimated:(BOOL)animated {
+    if ( self.window == nil )
+        return;
+    
+    [self sj_removeCurrentPlayerView];
+
+    sj_queue().empty();
+    if ( [self isKindOfClass:UITableView.class] ) {
+        UITableView *tableView = (id)self;
+        UITableViewScrollPosition position = [self sj_autoplayConfig].animationType != SJAutoplayScrollAnimationTypeTop ? UITableViewScrollPositionMiddle : UITableViewScrollPositionTop;
+        if (@available(iOS 11.0, *)) {
+            [tableView performBatchUpdates:^{
+                [tableView reloadSections:[NSIndexSet indexSetWithIndex:indexPath.section] withRowAnimation:UITableViewRowAnimationNone];
+            } completion:^(BOOL finished) {
+                if ( [tableView numberOfRowsInSection:indexPath.section] > indexPath.row ) {
+                    [tableView scrollToRowAtIndexPath:indexPath atScrollPosition:position animated:animated];
+                    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+                        sj_queue().empty();
+                        [[self sj_autoplayConfig].autoplayDelegate sj_playerNeedPlayNewAssetAtIndexPath:indexPath];
+                    });
+                }
+            }];
+        } else {
+            [UIView animateWithDuration:animated ? 0.2 : 0 animations:^{
+                [tableView beginUpdates];
+                [tableView reloadSections:[NSIndexSet indexSetWithIndex:indexPath.section] withRowAnimation:UITableViewRowAnimationNone];
+                [tableView endUpdates];
+            } completion:^(BOOL finished) {
+                if ( [tableView numberOfRowsInSection:indexPath.section] > indexPath.row ) {
+                    [tableView scrollToRowAtIndexPath:indexPath atScrollPosition:position animated:animated];
+                    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+                        sj_queue().empty();
+                        [[self sj_autoplayConfig].autoplayDelegate sj_playerNeedPlayNewAssetAtIndexPath:indexPath];
+                    });
+                }
+            }];
+        }
+    }
+    else if ( [self isKindOfClass:UICollectionView.class] ) {
+        UICollectionView *collectionView = (id)self;
+        UICollectionViewScrollPosition position = [self sj_autoplayConfig].animationType != SJAutoplayScrollAnimationTypeTop ? UICollectionViewScrollPositionCenteredVertically : UICollectionViewScrollPositionTop;
+        [collectionView scrollToItemAtIndexPath:indexPath atScrollPosition:position animated:animated];
+        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+            sj_queue().empty();
+            [[self sj_autoplayConfig].autoplayDelegate sj_playerNeedPlayNewAssetAtIndexPath:indexPath];
+        });
+    }
+}
+
 - (void)setSj_autoplayConfig:(nullable SJPlayerAutoplayConfig *)sj_autoplayConfig {
     objc_setAssociatedObject(self, @selector(sj_autoplayConfig), sj_autoplayConfig, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
 }
@@ -62,7 +122,6 @@ - (void)sj_enableAutoplayWithConfig:(SJPlayerAutoplayConfig *)autoplayConfig {
     self.sj_enabledAutoplay = YES;
     self.sj_autoplayConfig = autoplayConfig;
 
-    SJRunLoopTaskQueue *queue = SJRunLoopTaskQueue.queue(kQueue).update(CFRunLoopGetMain(), kCFRunLoopDefaultMode);
     __weak typeof(self) _self = self;
     sj_scrollViewContentOffsetDidChange(self, ^{
         __strong typeof(_self) self = _self;
@@ -72,7 +131,7 @@ - (void)sj_enableAutoplayWithConfig:(SJPlayerAutoplayConfig *)autoplayConfig {
             [NSObject cancelPreviousPerformRequestsWithTarget:self selector:@selector(sj_playNextAssetAfterEndScroll) object:nil];
         }
 
-        queue.empty();
+        sj_queue().empty();
         ///
         /// Thanks @YangYus
         ///
@@ -82,7 +141,7 @@ - (void)sj_enableAutoplayWithConfig:(SJPlayerAutoplayConfig *)autoplayConfig {
             return;
         }
 
-        queue.enqueue(^{
+        sj_queue().enqueue(^{
             self.sj_hasDelayedEndScrollTask = YES;
             [self performSelector:@selector(sj_playNextAssetAfterEndScroll) withObject:nil afterDelay:0.4];
         });
@@ -171,8 +230,6 @@ static void sj_removeContentOffsetObserver(UIScrollView *scrollView) {
 }
 
 #pragma mark -
-static void sj_playAsset(UIScrollView *scrollView, NSIndexPath *indexPath, BOOL animated);
-static void sj_exeAnima(__kindof UIScrollView *scrollView, NSIndexPath *indexPath, SJAutoplayScrollAnimationType animationType);
 
 static void sj_playNextAssetAfterEndScroll(__kindof __kindof UIScrollView *scrollView) {
     NSArray<NSIndexPath *> *_Nullable visibleIndexPaths = [scrollView sj_visibleIndexPaths];
diff --git a/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Asset/FILE/FILEReader.h b/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Asset/FILE/FILEReader.h
index 7d999b6ae..c8da72ced 100644
--- a/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Asset/FILE/FILEReader.h
+++ b/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Asset/FILE/FILEReader.h
@@ -13,7 +13,7 @@
 NS_ASSUME_NONNULL_BEGIN
 
 @interface FILEReader : NSObject<MCSAssetReader>
-- (instancetype)initWithAsset:(__weak FILEAsset *)asset request:(NSURLRequest *)request networkTaskPriority:(float)networkTaskPriority readDataDecoder:(NSData *(^)(NSURLRequest *request, NSUInteger offset, NSData *data))readDataDecoder delegate:(id<MCSAssetReaderDelegate>)delegate;
+- (instancetype)initWithAsset:(__weak FILEAsset *)asset request:(NSURLRequest *)request networkTaskPriority:(float)networkTaskPriority readDataDecoder:(NSData *(^_Nullable)(NSURLRequest *request, NSUInteger offset, NSData *data))readDataDecoder delegate:(id<MCSAssetReaderDelegate>)delegate;
 
 - (void)prepare;
 @property (nonatomic, copy, readonly, nullable) NSData *(^readDataDecoder)(NSURLRequest *request, NSUInteger offset, NSData *data);
diff --git a/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Asset/FILE/FILEReader.m b/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Asset/FILE/FILEReader.m
index c249cfe33..7fcdbd6e5 100644
--- a/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Asset/FILE/FILEReader.m
+++ b/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Asset/FILE/FILEReader.m
@@ -16,6 +16,7 @@
 #import "MCSQueue.h"
 #import "MCSResponse.h"
 #import "MCSConsts.h"
+#import "MCSUtils.h"
 
 static dispatch_queue_t mcs_queue;
 
@@ -37,6 +38,8 @@ @interface FILEReader ()<MCSAssetDataReaderDelegate>
 @implementation FILEReader
 @synthesize readDataDecoder = _readDataDecoder;
 @synthesize response = _response;
+@synthesize isReadingEndOfData = _isReadingEndOfData;
+
 + (void)initialize {
     static dispatch_once_t onceToken;
     dispatch_once(&onceToken, ^{
@@ -44,9 +47,13 @@ + (void)initialize {
     });
 }
 
-- (instancetype)initWithAsset:(__weak FILEAsset *)asset request:(NSURLRequest *)request networkTaskPriority:(float)networkTaskPriority readDataDecoder:(NSData *(^)(NSURLRequest *request, NSUInteger offset, NSData *data))readDataDecoder delegate:(id<MCSAssetReaderDelegate>)delegate {
+- (instancetype)initWithAsset:(__weak FILEAsset *)asset request:(NSURLRequest *)request networkTaskPriority:(float)networkTaskPriority readDataDecoder:(NSData *(^_Nullable)(NSURLRequest *request, NSUInteger offset, NSData *data))readDataDecoder delegate:(id<MCSAssetReaderDelegate>)delegate {
     self = [super init];
     if ( self ) {
+#ifdef DEBUG
+        MCSAssetReaderDebugLog(@"%@: <%p>.init { URL: %@, asset: %@, proxyURL: %@, headers: %@ };\n", NSStringFromClass(self.class), self, [MCSURLRecognizer.shared URLWithProxyURL:request.URL], asset, request.URL, request.allHTTPHeaderFields);
+#endif
+
         _asset = asset;
         _request = request;
         _networkTaskPriority = networkTaskPriority;
@@ -91,7 +98,7 @@ - (void)prepare {
         if ( _isClosed || _isCalledPrepare )
             return;
         
-        MCSAssetReaderDebugLog(@"%@: <%p>.prepare { assetName: %@, request: %@ };\n", NSStringFromClass(self.class), self, _asset.name, _request.mcs_description);
+        MCSAssetReaderDebugLog(@"%@: <%p>.prepare;\n", NSStringFromClass(self.class), self);
         
         _isCalledPrepare = YES;
         
@@ -100,12 +107,9 @@ - (void)prepare {
 }
 
 - (NSData *)readDataOfLength:(NSUInteger)length {
-    if ( self.isReadingEndOfData )
-        return nil;
-    
     __block NSData *data = nil;
     dispatch_barrier_sync(mcs_queue, ^{
-        if ( _isClosed )
+        if ( _isClosed || _isReadingEndOfData )
             return;
         
         id<MCSAssetDataReader> current = self.current;
@@ -164,7 +168,7 @@ - (NSUInteger)availableLength {
 - (NSUInteger)offset {
     __block NSUInteger offset = 0;
     dispatch_sync(mcs_queue, ^{
-        offset = _subreaders.firstObject.range.location + _readLength;
+        offset = _range.location + _readLength;
     });
     return offset;
 }
@@ -178,11 +182,11 @@ - (BOOL)isPrepared {
 }
 
 - (BOOL)isReadingEndOfData {
-    __block BOOL isDone = NO;
+    __block BOOL isReadingEndOfData = NO;
     dispatch_sync(mcs_queue, ^{
-        isDone = _subreaders.lastObject.isDone;
+        isReadingEndOfData = _isReadingEndOfData;
     });
-    return isDone;
+    return isReadingEndOfData;
 }
 
 - (BOOL)isClosed {
@@ -202,8 +206,6 @@ - (void)close {
 #pragma mark -
 
 - (void)_prepare {
-    NSUInteger totalLength = _asset.totalLength ?: NSUIntegerMax;
-
     // `length`经常变动, 暂时这里排序吧
     __auto_type contents = [_asset.contents sortedArrayUsingComparator:^NSComparisonResult(FILEContent *obj1, FILEContent *obj2) {
         if ( obj1.offset == obj2.offset )
@@ -211,79 +213,91 @@ - (void)_prepare {
         return obj1.offset < obj2.offset ? NSOrderedAscending : NSOrderedDescending;
     }];
     
-    NSRange current = _request.mcs_range;
-    // bytes=-500
-    if      ( current.location == NSNotFound && current.length != NSNotFound )
-        current.location = totalLength - current.length;
-    // bytes=9500-
-    else if ( current.location != NSNotFound && current.length == NSNotFound ) {
-        current.length = totalLength - current.location;
-    }
-    else if ( current.location == NSNotFound && current.length == NSNotFound ) {
-        current.location = 0;
-        current.length = totalLength;
-    }
-    
-    if ( current.location >= totalLength ) {
-        current.location = totalLength - 1;
-    }
-    
-    if ( NSMaxRange(current) >= totalLength ) {
-        current.length = totalLength - current.location;
+    NSUInteger totalLength = _asset.totalLength;
+    if ( totalLength == 0 ) {
+        // create single sub reader to load asset total length
+        NSURL *URL = [MCSURLRecognizer.shared URLWithProxyURL:_request.URL];
+        NSMutableURLRequest *request = [_request mcs_requestWithRedirectURL:URL];
+        _subreaders = @[
+            [FILEContentReader.alloc initWithAsset:_asset request:request networkTaskPriority:_networkTaskPriority delegate:self]
+        ];
     }
-    
-    if ( current.length == 0 ) {
-        [self _onError:[NSError mcs_errorWithCode:MCSInvalidRequestError userInfo:@{
-            MCSErrorUserInfoObjectKey : _request,
-            MCSErrorUserInfoReasonKey : @"请求range参数错误!"
-        }]];
-        return;
-    }
-    
-    _range = current;
-    
-    NSMutableArray<id<MCSAssetDataReader>> *subreaders = NSMutableArray.array;
-    NSURL *URL = [MCSURLRecognizer.shared URLWithProxyURL:_request.URL];
-    for ( FILEContent *content in contents ) {
-        NSRange available = NSMakeRange(content.offset, content.length);
-        NSRange intersection = NSIntersectionRange(current, available);
-        if ( intersection.length != 0 ) {
-            // undownloaded part
-            NSRange leftRange = NSMakeRange(current.location, intersection.location - current.location);
-            if ( leftRange.length != 0 ) {
-                FILEContentReader *reader = [self _networkDataReaderWithURL:URL range:leftRange];
+    else {
+        MCSRequestContentRange requestRange = MCSGetRequestContentRange(_request.mcs_headers);
+        NSRange current = NSMakeRange(0, 0);
+        // bytes=100-500
+        if      ( requestRange.start != NSNotFound && requestRange.end != NSNotFound ) {
+            NSUInteger location = requestRange.start;
+            NSUInteger length = totalLength > requestRange.end ? ((requestRange.end + 1) - location) : 0;
+            current = NSMakeRange(location, length);
+        }
+        // bytes=-500
+        else if ( requestRange.start == NSNotFound && requestRange.end != NSNotFound ) {
+            NSUInteger length = totalLength > requestRange.end ? (requestRange.end + 1) : 0;
+            NSUInteger location = totalLength - length;
+            current = NSMakeRange(location, length);
+        }
+        // bytes=500-
+        else if ( requestRange.start != NSNotFound && requestRange.end == NSNotFound ) {
+            NSUInteger location = requestRange.start;
+            NSUInteger length = totalLength > location ? (totalLength - location) : 0;
+            current = NSMakeRange(location, length);
+        }
+
+        if ( current.length == 0 ) {
+            [self _onError:[NSError mcs_errorWithCode:MCSInvalidRequestError userInfo:@{
+                MCSErrorUserInfoObjectKey : _request,
+                MCSErrorUserInfoReasonKey : @"请求range参数错误!"
+            }]];
+            return;
+        }
+        
+        _range = current;
+        
+        NSMutableArray<id<MCSAssetDataReader>> *subreaders = NSMutableArray.array;
+        NSURL *URL = [MCSURLRecognizer.shared URLWithProxyURL:_request.URL];
+        for ( FILEContent *content in contents ) {
+            NSRange available = NSMakeRange(content.offset, content.length);
+            NSRange intersection = NSIntersectionRange(current, available);
+            if ( intersection.length != 0 ) {
+                // undownloaded part
+                NSRange leftRange = NSMakeRange(current.location, intersection.location - current.location);
+                if ( leftRange.length != 0 ) {
+                    FILEContentReader *reader = [self _networkDataReaderWithURL:URL range:leftRange];
+                    [subreaders addObject:reader];
+                }
+                
+                // downloaded part
+                NSRange matchedRange = NSMakeRange(NSMaxRange(leftRange), intersection.length);
+                NSRange fileRange = NSMakeRange(matchedRange.location - content.offset, intersection.length);
+                NSString *path = [_asset contentFilePathForFilename:content.filename];
+                MCSAssetFileRead *reader = [MCSAssetFileRead.alloc initWithAsset:_asset inRange:matchedRange reference:content path:path readRange:fileRange delegate:self];
                 [subreaders addObject:reader];
+                
+                // next part
+                current = NSMakeRange(NSMaxRange(intersection), NSMaxRange(_range) - NSMaxRange(intersection));
             }
             
-            // downloaded part
-            NSRange matchedRange = NSMakeRange(NSMaxRange(leftRange), intersection.length);
-            NSRange fileRange = NSMakeRange(matchedRange.location - content.offset, intersection.length);
-            NSString *path = [_asset contentFilePathForFilename:content.filename];
-            MCSAssetFileRead *reader = [MCSAssetFileRead.alloc initWithAsset:_asset inRange:matchedRange reference:content path:path readRange:fileRange delegate:self];
-            [subreaders addObject:reader];
-            
-            // next part
-            current = NSMakeRange(NSMaxRange(intersection), NSMaxRange(_request.mcs_range) - NSMaxRange(intersection));
+            if ( current.length == 0 || available.location > NSMaxRange(current) ) break;
         }
         
-        if ( current.length == 0 || available.location > NSMaxRange(current) ) break;
-    }
-    
-    if ( current.length != 0 ) {
-        // undownloaded part
-        FILEContentReader *reader = [self _networkDataReaderWithURL:URL range:current];
-        [subreaders addObject:reader];
+        if ( current.length != 0 ) {
+            // undownloaded part
+            FILEContentReader *reader = [self _networkDataReaderWithURL:URL range:current];
+            [subreaders addObject:reader];
+        }
+         
+        _subreaders = subreaders.copy;
     }
      
-    _subreaders = subreaders.copy;
-     
-    MCSAssetReaderDebugLog(@"%@: <%p>.createSubreaders { range: %@, count: %lu };\n", NSStringFromClass(self.class), self, NSStringFromRange(_range), (unsigned long)_subreaders.count);
+    MCSAssetReaderDebugLog(@"%@: <%p>.createSubreaders { count: %lu };\n", NSStringFromClass(self.class), self, (unsigned long)_subreaders.count);
 
     [self _prepareNextReader];
 }
 
 - (void)_prepareNextReader {
     if ( self.current == _subreaders.lastObject ) {
+        _isReadingEndOfData = YES;
         MCSAssetReaderDebugLog(@"%@: <%p>.done;\n", NSStringFromClass(self.class), self);
         [self _close];
         return;
@@ -294,7 +308,7 @@ - (void)_prepareNextReader {
     else
         _currentIndex += 1;
     
-    MCSAssetReaderDebugLog(@"%@: <%p>.subreader.prepare { sub: %@, count: %lu };\n", NSStringFromClass(self.class), self, self.current, (unsigned long)_subreaders.count);
+    MCSAssetReaderDebugLog(@"%@: <%p>.subreader.prepare { index: %ld, sub: %@, count: %lu };\n", NSStringFromClass(self.class), self, (long)_currentIndex, self.current, (unsigned long)_subreaders.count);
 
     [self.current prepare];
 }
@@ -314,6 +328,7 @@ - (void)_close {
         [reader close];
     }
     
+    _subreaders = nil;
     _isClosed = YES;
 
     MCSAssetReaderDebugLog(@"%@: <%p>.close;\n", NSStringFromClass(self.class), self);
diff --git a/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Asset/HLS/HLSReader.h b/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Asset/HLS/HLSReader.h
index 7fa1614d1..ef564eba4 100644
--- a/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Asset/HLS/HLSReader.h
+++ b/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Asset/HLS/HLSReader.h
@@ -13,7 +13,7 @@
 NS_ASSUME_NONNULL_BEGIN
 
 @interface HLSReader : NSObject<MCSAssetReader>
-- (instancetype)initWithAsset:(__weak HLSAsset *)asset request:(NSURLRequest *)request networkTaskPriority:(float)networkTaskPriority readDataDecoder:(NSData *(^)(NSURLRequest *request, NSUInteger offset, NSData *data))readDataDecoder delegate:(id<MCSAssetReaderDelegate>)delegate;
+- (instancetype)initWithAsset:(__weak HLSAsset *)asset request:(NSURLRequest *)request networkTaskPriority:(float)networkTaskPriority readDataDecoder:(NSData *(^_Nullable)(NSURLRequest *request, NSUInteger offset, NSData *data))readDataDecoder delegate:(id<MCSAssetReaderDelegate>)delegate;
 
 - (void)prepare;
 @property (nonatomic, copy, readonly, nullable) NSData *(^readDataDecoder)(NSURLRequest *request, NSUInteger offset, NSData *data);
diff --git a/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Asset/HLS/HLSReader.m b/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Asset/HLS/HLSReader.m
index e3c5fcb9f..4cd9012cc 100644
--- a/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Asset/HLS/HLSReader.m
+++ b/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Asset/HLS/HLSReader.m
@@ -32,6 +32,8 @@ @implementation HLSReader
 @synthesize isClosed = _isClosed;
 @synthesize response = _response;
 @synthesize isPrepared = _isPrepared;
+@synthesize isReadingEndOfData = _isReadingEndOfData;
+@synthesize offset = _offset;
 
 + (void)initialize {
     static dispatch_once_t onceToken;
@@ -40,9 +42,13 @@ + (void)initialize {
     });
 }
 
-- (instancetype)initWithAsset:(__weak HLSAsset *)asset request:(NSURLRequest *)request networkTaskPriority:(float)networkTaskPriority readDataDecoder:(NSData *(^)(NSURLRequest *request, NSUInteger offset, NSData *data))readDataDecoder delegate:(id<MCSAssetReaderDelegate>)delegate {
+- (instancetype)initWithAsset:(__weak HLSAsset *)asset request:(NSURLRequest *)request networkTaskPriority:(float)networkTaskPriority readDataDecoder:(NSData *(^_Nullable)(NSURLRequest *request, NSUInteger offset, NSData *data))readDataDecoder delegate:(id<MCSAssetReaderDelegate>)delegate {
     self = [super init];
     if ( self ) {
+#ifdef DEBUG
+        MCSAssetReaderDebugLog(@"%@: <%p>.init { URL: %@, asset: %@, proxyURL: %@, headers: %@ };\n", NSStringFromClass(self.class), self, [MCSURLRecognizer.shared URLWithProxyURL:request.URL], asset, request.URL, request.allHTTPHeaderFields);
+#endif
+
         _asset = asset;
         _request = request;
         _networkTaskPriority = networkTaskPriority;
@@ -177,7 +183,13 @@ - (NSUInteger)availableLength {
 }
 
 - (NSUInteger)offset {
-    return self.reader.offset;
+    if ( self.reader != nil )
+        return self.reader.offset;
+    __block NSUInteger offset = NO;
+    dispatch_sync(mcs_queue, ^{
+        offset = _offset;
+    });
+    return offset;
 }
 
 - (BOOL)isPrepared {
@@ -189,7 +201,11 @@ - (BOOL)isPrepared {
 }
 
 - (BOOL)isReadingEndOfData {
-    return self.reader.isDone;
+    __block BOOL isReadingEndOfData = NO;
+    dispatch_sync(mcs_queue, ^{
+        isReadingEndOfData = _isReadingEndOfData;
+    });
+    return isReadingEndOfData;
 }
 
 - (BOOL)isClosed {
@@ -206,7 +222,12 @@ - (void)_close {
     if ( _isClosed )
         return;
     
+    _isReadingEndOfData = _reader.isDone;
+    _offset = _reader.offset;
+    
     [_reader close];
+    
+    _reader = nil;
      
     _isClosed = YES;
     
diff --git a/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Asset/MCSAssetManager.m b/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Asset/MCSAssetManager.m
index 449c7dbb6..4a482e2e3 100644
--- a/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Asset/MCSAssetManager.m
+++ b/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Asset/MCSAssetManager.m
@@ -90,13 +90,8 @@ - (instancetype)init {
 
 @synthesize cacheCountLimit = _cacheCountLimit;
 - (void)setCacheCountLimit:(NSUInteger)cacheCountLimit {
-    dispatch_barrier_async(mcs_queue, ^{
-        if ( cacheCountLimit != self->_cacheCountLimit ) {
-            self->_cacheCountLimit = cacheCountLimit;
-            if ( cacheCountLimit != 0 ) {
-                [self _removeAssetsForLimit:MCSLimitCount];
-            }
-        }
+    dispatch_barrier_sync(mcs_queue, ^{
+        _cacheCountLimit = cacheCountLimit;
     });
 }
 
@@ -110,13 +105,8 @@ - (NSUInteger)cacheCountLimit {
 
 @synthesize maxDiskAgeForCache = _maxDiskAgeForCache;
 - (void)setMaxDiskAgeForCache:(NSTimeInterval)maxDiskAgeForCache {
-    dispatch_barrier_async(mcs_queue, ^{
-        if ( maxDiskAgeForCache != self->_maxDiskAgeForCache ) {
-            self->_maxDiskAgeForCache = maxDiskAgeForCache;
-            if ( maxDiskAgeForCache != 0 ) {
-                [self _removeAssetsForLimit:MCSLimitExpires];
-            }
-        }
+    dispatch_barrier_sync(mcs_queue, ^{
+        _maxDiskAgeForCache = maxDiskAgeForCache;
     });
 }
 
@@ -130,13 +120,8 @@ - (NSTimeInterval)maxDiskAgeForCache {
 
 @synthesize maxDiskSizeForCache = _maxDiskSizeForCache;
 - (void)setMaxDiskSizeForCache:(NSUInteger)maxDiskSizeForCache {
-    dispatch_barrier_async(mcs_queue, ^{
-        if ( maxDiskSizeForCache != self->_maxDiskSizeForCache ) {
-            self->_maxDiskSizeForCache = maxDiskSizeForCache;
-            if ( maxDiskSizeForCache != 0 ) {
-                [self _removeAssetsForLimit:MCSLimitCacheDiskSpace];
-            }
-        }
+    dispatch_barrier_sync(mcs_queue, ^{
+        _maxDiskSizeForCache = maxDiskSizeForCache;
     });
 }
 - (NSUInteger)maxDiskSizeForCache {
@@ -149,13 +134,8 @@ - (NSUInteger)maxDiskSizeForCache {
 
 @synthesize reservedFreeDiskSpace = _reservedFreeDiskSpace;
 - (void)setReservedFreeDiskSpace:(NSUInteger)reservedFreeDiskSpace {
-    dispatch_barrier_async(mcs_queue, ^{
-        if ( reservedFreeDiskSpace != self->_reservedFreeDiskSpace ) {
-            self->_reservedFreeDiskSpace = reservedFreeDiskSpace;
-            if ( reservedFreeDiskSpace != 0 ) {
-                [self _removeAssetsForLimit:MCSLimitFreeDiskSpace];
-            }
-        }
+    dispatch_barrier_sync(mcs_queue, ^{
+        _reservedFreeDiskSpace = reservedFreeDiskSpace;
     });
 }
 
diff --git a/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Common/MCSInterfaces.h b/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Common/MCSInterfaces.h
index 1bdd740b4..d39a0ca90 100644
--- a/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Common/MCSInterfaces.h
+++ b/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Common/MCSInterfaces.h
@@ -81,7 +81,7 @@ NS_ASSUME_NONNULL_BEGIN
 #pragma mark -
 
 @protocol MCSAssetReader <NSObject>
-- (instancetype)initWithAsset:(id<MCSAsset>)asset request:(NSURLRequest *)request networkTaskPriority:(float)networkTaskPriority readDataDecoder:(NSData *(^)(NSURLRequest *request, NSUInteger offset, NSData *data))readDataDecoder delegate:(id<MCSAssetReaderDelegate>)delegate;
+- (instancetype)initWithAsset:(id<MCSAsset>)asset request:(NSURLRequest *)request networkTaskPriority:(float)networkTaskPriority readDataDecoder:(NSData *(^_Nullable)(NSURLRequest *request, NSUInteger offset, NSData *data))readDataDecoder delegate:(id<MCSAssetReaderDelegate>)delegate;
 
 - (void)prepare;
 @property (nonatomic, copy, readonly, nullable) NSData *(^readDataDecoder)(NSURLRequest *request, NSUInteger offset, NSData *data);
diff --git a/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Common/MCSRootDirectory.m b/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Common/MCSRootDirectory.m
index 99d67717a..81488225a 100644
--- a/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Common/MCSRootDirectory.m
+++ b/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Common/MCSRootDirectory.m
@@ -10,31 +10,34 @@
 #import "NSFileManager+MCS.h"
 
 @implementation MCSRootDirectory
-+ (NSString *)path {
-    static NSString *path;
+static NSString *mcs_path;
++ (void)initialize {
     static dispatch_once_t onceToken;
     dispatch_once(&onceToken, ^{
-        path = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES).lastObject stringByAppendingPathComponent:@"com.SJMediaCacheServer.cache"];
-        if ( ![NSFileManager.defaultManager fileExistsAtPath:path] ) {
-            [NSFileManager.defaultManager createDirectoryAtPath:path withIntermediateDirectories:YES attributes:nil error:NULL];
-            const char *filePath = [path fileSystemRepresentation];
+        mcs_path = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES).lastObject stringByAppendingPathComponent:@"com.SJMediaCacheServer.cache"];
+        if ( ![NSFileManager.defaultManager fileExistsAtPath:mcs_path] ) {
+            [NSFileManager.defaultManager createDirectoryAtPath:mcs_path withIntermediateDirectories:YES attributes:nil error:NULL];
+            const char *filePath = [mcs_path fileSystemRepresentation];
             const char *attrName = "com.apple.MobileBackup";
             u_int8_t attrValue = 1;
             setxattr(filePath, attrName, &attrValue, sizeof(attrValue), 0, 0);
         }
     });
-    return path;
+}
+
++ (NSString *)path {
+    return mcs_path;
 }
 
 + (unsigned long long)size {
-    return [NSFileManager.defaultManager mcs_directorySizeAtPath:self.path];
+    return [NSFileManager.defaultManager mcs_directorySizeAtPath:mcs_path];
 }
 
 + (NSString *)assetPathForFilename:(NSString *)filename {
-    return [self.path stringByAppendingPathComponent:filename];
+    return [mcs_path stringByAppendingPathComponent:filename];
 }
 
 + (NSString *)databasePath {
-    return [self.path stringByAppendingPathComponent:@"mcs.db"];
+    return [mcs_path stringByAppendingPathComponent:@"mcs.db"];
 }
 @end
diff --git a/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Download/MCSDownload.m b/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Download/MCSDownload.m
index f94320894..c6cbd7e9d 100644
--- a/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Download/MCSDownload.m
+++ b/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/Download/MCSDownload.m
@@ -137,11 +137,11 @@ - (void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)task
         else if ( res.statusCode == 206 ) {
             NSRange range1 = MCSGetRequestNSRange(MCSGetRequestContentRange(task.currentRequest.allHTTPHeaderFields));
             NSRange range2 = MCSGetResponseNSRange(MCSGetResponseContentRange(res));
-            if ( !MCSNSRangeIsUndefined(range1) ) {
-                if ( MCSNSRangeIsUndefined(range2) || !NSEqualRanges(range1, range2) ) {
+            if ( !MCSNSRangeIsUndefined(range1) && !NSEqualRanges(range1, range2)) {
+                if ( !MCSNSRangeIsUndefined(range2) && NSMaxRange(range1) <= NSMaxRange(range2) ) {
                     error = [NSError mcs_errorWithCode:MCSInvalidResponseError userInfo:@{
                         MCSErrorUserInfoObjectKey : response,
-                        MCSErrorUserInfoReasonKey : [NSString stringWithFormat:@"响应无效: range(%@)无效!", NSStringFromRange(range2)]
+                        MCSErrorUserInfoReasonKey : [NSString stringWithFormat:@"响应无效: requestRange(%@), responseRange(%@) range无效!", NSStringFromRange(range1), NSStringFromRange(range2)]
                     }];
                 }
             }
diff --git a/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/ProxyServer/MCSProxyTask.m b/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/ProxyServer/MCSProxyTask.m
index e91b2803f..b27a7fcc1 100644
--- a/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/ProxyServer/MCSProxyTask.m
+++ b/Example/Pods/SJMediaCacheServer/SJMediaCacheServer/Core/ProxyServer/MCSProxyTask.m
@@ -11,6 +11,7 @@
 #import "MCSUtils.h"
 #import "MCSLogger.h"
 #import "NSURLRequest+MCS.h"
+#import "MCSURLRecognizer.h"
 
 @interface MCSProxyTask ()<MCSAssetReaderDelegate>
 @property (nonatomic, weak) id<MCSProxyTaskDelegate> delegate;
@@ -28,6 +29,10 @@ - (instancetype)initWithRequest:(NSURLRequest *)request delegate:(id<MCSProxyTas
     
     self = [super init];
     if ( self ) {
+#ifdef DEBUG
+        MCSProxyTaskDebugLog(@"%@: <%p>.init { URL: %@, proxyURL: %@, headers: %@ };\n", NSStringFromClass(self.class), self, [MCSURLRecognizer.shared URLWithProxyURL:request.URL], request.URL, request.allHTTPHeaderFields);
+#endif
+        
         _request = request;
         _delegate = delegate;
     }
@@ -36,7 +41,7 @@ - (instancetype)initWithRequest:(NSURLRequest *)request delegate:(id<MCSProxyTas
 
 - (void)prepare {
 #ifdef DEBUG
-    MCSProxyTaskDebugLog(@"%@: <%p>.prepare { request: %@ };\n", NSStringFromClass(self.class), self, _request.mcs_description);
+    MCSProxyTaskDebugLog(@"%@: <%p>.prepare;\n", NSStringFromClass(self.class), self);
     _startTime = MCSStartTime();
 #endif
 
diff --git a/Example/Pods/Target Support Files/Pods-SJVideoPlayer_Example/Pods-SJVideoPlayer_Example-frameworks.sh b/Example/Pods/Target Support Files/Pods-SJVideoPlayer_Example/Pods-SJVideoPlayer_Example-frameworks.sh
new file mode 100755
index 000000000..38264b648
--- /dev/null
+++ b/Example/Pods/Target Support Files/Pods-SJVideoPlayer_Example/Pods-SJVideoPlayer_Example-frameworks.sh	
@@ -0,0 +1,191 @@
+#!/bin/sh
+set -e
+set -u
+set -o pipefail
+
+function on_error {
+  echo "$(realpath -mq "${0}"):$1: error: Unexpected failure"
+}
+trap 'on_error $LINENO' ERR
+
+if [ -z ${FRAMEWORKS_FOLDER_PATH+x} ]; then
+  # If FRAMEWORKS_FOLDER_PATH is not set, then there's nowhere for us to copy
+  # frameworks to, so exit 0 (signalling the script phase was successful).
+  exit 0
+fi
+
+echo "mkdir -p ${CONFIGURATION_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}"
+mkdir -p "${CONFIGURATION_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}"
+
+COCOAPODS_PARALLEL_CODE_SIGN="${COCOAPODS_PARALLEL_CODE_SIGN:-false}"
+SWIFT_STDLIB_PATH="${DT_TOOLCHAIN_DIR}/usr/lib/swift/${PLATFORM_NAME}"
+BCSYMBOLMAP_DIR="BCSymbolMaps"
+
+
+# This protects against multiple targets copying the same framework dependency at the same time. The solution
+# was originally proposed here: https://lists.samba.org/archive/rsync/2008-February/020158.html
+RSYNC_PROTECT_TMP_FILES=(--filter "P .*.??????")
+
+# Copies and strips a vendored framework
+install_framework()
+{
+  if [ -r "${BUILT_PRODUCTS_DIR}/$1" ]; then
+    local source="${BUILT_PRODUCTS_DIR}/$1"
+  elif [ -r "${BUILT_PRODUCTS_DIR}/$(basename "$1")" ]; then
+    local source="${BUILT_PRODUCTS_DIR}/$(basename "$1")"
+  elif [ -r "$1" ]; then
+    local source="$1"
+  fi
+
+  local destination="${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}"
+
+  if [ -L "${source}" ]; then
+    echo "Symlinked..."
+    source="$(readlink "${source}")"
+  fi
+
+  if [ -d "${source}/${BCSYMBOLMAP_DIR}" ]; then
+    # Locate and install any .bcsymbolmaps if present, and remove them from the .framework before the framework is copied
+    find "${source}/${BCSYMBOLMAP_DIR}" -name "*.bcsymbolmap"|while read f; do
+      echo "Installing $f"
+      install_bcsymbolmap "$f" "$destination"
+      rm "$f"
+    done
+    rmdir "${source}/${BCSYMBOLMAP_DIR}"
+  fi
+
+  # Use filter instead of exclude so missing patterns don't throw errors.
+  echo "rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --links --filter \"- CVS/\" --filter \"- .svn/\" --filter \"- .git/\" --filter \"- .hg/\" --filter \"- Headers\" --filter \"- PrivateHeaders\" --filter \"- Modules\" \"${source}\" \"${destination}\""
+  rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --links --filter "- CVS/" --filter "- .svn/" --filter "- .git/" --filter "- .hg/" --filter "- Headers" --filter "- PrivateHeaders" --filter "- Modules" "${source}" "${destination}"
+
+  local basename
+  basename="$(basename -s .framework "$1")"
+  binary="${destination}/${basename}.framework/${basename}"
+
+  if ! [ -r "$binary" ]; then
+    binary="${destination}/${basename}"
+  elif [ -L "${binary}" ]; then
+    echo "Destination binary is symlinked..."
+    dirname="$(dirname "${binary}")"
+    binary="${dirname}/$(readlink "${binary}")"
+  fi
+
+  # Strip invalid architectures so "fat" simulator / device frameworks work on device
+  if [[ "$(file "$binary")" == *"dynamically linked shared library"* ]]; then
+    strip_invalid_archs "$binary"
+  fi
+
+  # Resign the code if required by the build settings to avoid unstable apps
+  code_sign_if_enabled "${destination}/$(basename "$1")"
+
+  # Embed linked Swift runtime libraries. No longer necessary as of Xcode 7.
+  if [ "${XCODE_VERSION_MAJOR}" -lt 7 ]; then
+    local swift_runtime_libs
+    swift_runtime_libs=$(xcrun otool -LX "$binary" | grep --color=never @rpath/libswift | sed -E s/@rpath\\/\(.+dylib\).*/\\1/g | uniq -u)
+    for lib in $swift_runtime_libs; do
+      echo "rsync -auv \"${SWIFT_STDLIB_PATH}/${lib}\" \"${destination}\""
+      rsync -auv "${SWIFT_STDLIB_PATH}/${lib}" "${destination}"
+      code_sign_if_enabled "${destination}/${lib}"
+    done
+  fi
+}
+# Copies and strips a vendored dSYM
+install_dsym() {
+  local source="$1"
+  warn_missing_arch=${2:-true}
+  if [ -r "$source" ]; then
+    # Copy the dSYM into the targets temp dir.
+    echo "rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --filter \"- CVS/\" --filter \"- .svn/\" --filter \"- .git/\" --filter \"- .hg/\" --filter \"- Headers\" --filter \"- PrivateHeaders\" --filter \"- Modules\" \"${source}\" \"${DERIVED_FILES_DIR}\""
+    rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --filter "- CVS/" --filter "- .svn/" --filter "- .git/" --filter "- .hg/" --filter "- Headers" --filter "- PrivateHeaders" --filter "- Modules" "${source}" "${DERIVED_FILES_DIR}"
+
+    local basename
+    basename="$(basename -s .dSYM "$source")"
+    binary_name="$(ls "$source/Contents/Resources/DWARF")"
+    binary="${DERIVED_FILES_DIR}/${basename}.dSYM/Contents/Resources/DWARF/${binary_name}"
+
+    # Strip invalid architectures from the dSYM.
+    if [[ "$(file "$binary")" == *"Mach-O "*"dSYM companion"* ]]; then
+      strip_invalid_archs "$binary" "$warn_missing_arch"
+    fi
+    if [[ $STRIP_BINARY_RETVAL == 0 ]]; then
+      # Move the stripped file into its final destination.
+      echo "rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --links --filter \"- CVS/\" --filter \"- .svn/\" --filter \"- .git/\" --filter \"- .hg/\" --filter \"- Headers\" --filter \"- PrivateHeaders\" --filter \"- Modules\" \"${DERIVED_FILES_DIR}/${basename}.framework.dSYM\" \"${DWARF_DSYM_FOLDER_PATH}\""
+      rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --links --filter "- CVS/" --filter "- .svn/" --filter "- .git/" --filter "- .hg/" --filter "- Headers" --filter "- PrivateHeaders" --filter "- Modules" "${DERIVED_FILES_DIR}/${basename}.dSYM" "${DWARF_DSYM_FOLDER_PATH}"
+    else
+      # The dSYM was not stripped at all, in this case touch a fake folder so the input/output paths from Xcode do not reexecute this script because the file is missing.
+      touch "${DWARF_DSYM_FOLDER_PATH}/${basename}.dSYM"
+    fi
+  fi
+}
+
+# Used as a return value for each invocation of `strip_invalid_archs` function.
+STRIP_BINARY_RETVAL=0
+
+# Strip invalid architectures
+strip_invalid_archs() {
+  binary="$1"
+  warn_missing_arch=${2:-true}
+  # Get architectures for current target binary
+  binary_archs="$(lipo -info "$binary" | rev | cut -d ':' -f1 | awk '{$1=$1;print}' | rev)"
+  # Intersect them with the architectures we are building for
+  intersected_archs="$(echo ${ARCHS[@]} ${binary_archs[@]} | tr ' ' '\n' | sort | uniq -d)"
+  # If there are no archs supported by this binary then warn the user
+  if [[ -z "$intersected_archs" ]]; then
+    if [[ "$warn_missing_arch" == "true" ]]; then
+      echo "warning: [CP] Vendored binary '$binary' contains architectures ($binary_archs) none of which match the current build architectures ($ARCHS)."
+    fi
+    STRIP_BINARY_RETVAL=1
+    return
+  fi
+  stripped=""
+  for arch in $binary_archs; do
+    if ! [[ "${ARCHS}" == *"$arch"* ]]; then
+      # Strip non-valid architectures in-place
+      lipo -remove "$arch" -output "$binary" "$binary"
+      stripped="$stripped $arch"
+    fi
+  done
+  if [[ "$stripped" ]]; then
+    echo "Stripped $binary of architectures:$stripped"
+  fi
+  STRIP_BINARY_RETVAL=0
+}
+
+# Copies the bcsymbolmap files of a vendored framework
+install_bcsymbolmap() {
+    local bcsymbolmap_path="$1"
+    local destination="${BUILT_PRODUCTS_DIR}"
+    echo "rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --filter "- CVS/" --filter "- .svn/" --filter "- .git/" --filter "- .hg/" --filter "- Headers" --filter "- PrivateHeaders" --filter "- Modules" "${bcsymbolmap_path}" "${destination}""
+    rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --filter "- CVS/" --filter "- .svn/" --filter "- .git/" --filter "- .hg/" --filter "- Headers" --filter "- PrivateHeaders" --filter "- Modules" "${bcsymbolmap_path}" "${destination}"
+}
+
+# Signs a framework with the provided identity
+code_sign_if_enabled() {
+  if [ -n "${EXPANDED_CODE_SIGN_IDENTITY:-}" -a "${CODE_SIGNING_REQUIRED:-}" != "NO" -a "${CODE_SIGNING_ALLOWED}" != "NO" ]; then
+    # Use the current code_sign_identity
+    echo "Code Signing $1 with Identity ${EXPANDED_CODE_SIGN_IDENTITY_NAME}"
+    local code_sign_cmd="/usr/bin/codesign --force --sign ${EXPANDED_CODE_SIGN_IDENTITY} ${OTHER_CODE_SIGN_FLAGS:-} --preserve-metadata=identifier,entitlements '$1'"
+
+    if [ "${COCOAPODS_PARALLEL_CODE_SIGN}" == "true" ]; then
+      code_sign_cmd="$code_sign_cmd &"
+    fi
+    echo "$code_sign_cmd"
+    eval "$code_sign_cmd"
+  fi
+}
+
+if [[ "$CONFIGURATION" == "Debug" ]]; then
+  install_framework "${PODS_ROOT}/AliPlayerSDK_iOS/AliyunPlayer.framework"
+  install_framework "${PODS_ROOT}/AliPlayerSDK_iOS/alivcffmpeg.framework"
+  install_framework "${PODS_ROOT}/AliPlayerSDK_iOS/AlivcConan.framework"
+  install_framework "${PODS_ROOT}/AliPlayerSDK_iOS/AliyunMediaDownloader.framework"
+fi
+if [[ "$CONFIGURATION" == "Release" ]]; then
+  install_framework "${PODS_ROOT}/AliPlayerSDK_iOS/AliyunPlayer.framework"
+  install_framework "${PODS_ROOT}/AliPlayerSDK_iOS/alivcffmpeg.framework"
+  install_framework "${PODS_ROOT}/AliPlayerSDK_iOS/AlivcConan.framework"
+  install_framework "${PODS_ROOT}/AliPlayerSDK_iOS/AliyunMediaDownloader.framework"
+fi
+if [ "${COCOAPODS_PARALLEL_CODE_SIGN}" == "true" ]; then
+  wait
+fi
diff --git a/Example/SJVideoPlayer.xcodeproj/project.pbxproj b/Example/SJVideoPlayer.xcodeproj/project.pbxproj
index 475f1bc0a..4fa8d5d53 100644
--- a/Example/SJVideoPlayer.xcodeproj/project.pbxproj
+++ b/Example/SJVideoPlayer.xcodeproj/project.pbxproj
@@ -472,8 +472,8 @@
 		7700905824988F6900A99906 /* UserHomepage */ = {
 			isa = PBXGroup;
 			children = (
-				7700905924988F6900A99906 /* SJDYUserHomepageViewController.m */,
 				7700905A24988F6900A99906 /* SJDYUserHomepageViewController.h */,
+				7700905924988F6900A99906 /* SJDYUserHomepageViewController.m */,
 			);
 			path = UserHomepage;
 			sourceTree = "<group>";
diff --git a/Example/SJVideoPlayer.xcworkspace/xcuserdata/bluedancer.xcuserdatad/UserInterfaceState.xcuserstate b/Example/SJVideoPlayer.xcworkspace/xcuserdata/bluedancer.xcuserdatad/UserInterfaceState.xcuserstate
index 797e6392b..b75ec44f4 100644
Binary files a/Example/SJVideoPlayer.xcworkspace/xcuserdata/bluedancer.xcuserdatad/UserInterfaceState.xcuserstate and b/Example/SJVideoPlayer.xcworkspace/xcuserdata/bluedancer.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/Example/SJVideoPlayer/Demos/iPhone Demo/UITableView/SJUITableViewDemoViewController9.m b/Example/SJVideoPlayer/Demos/iPhone Demo/UITableView/SJUITableViewDemoViewController9.m
index e621d7f28..2abf58a14 100644
--- a/Example/SJVideoPlayer/Demos/iPhone Demo/UITableView/SJUITableViewDemoViewController9.m	
+++ b/Example/SJVideoPlayer/Demos/iPhone Demo/UITableView/SJUITableViewDemoViewController9.m	
@@ -31,8 +31,7 @@ - (void)coverItemWasTapped:(SJVideoTableViewCell *)cell {
         // 开启小浮窗(当播放器视图滑动消失时, 显示小浮窗视图)
         _player.floatSmallViewController.enabled = YES;
         // 自定义浮窗的初始位置
-        _player.floatSmallViewController.floatViewAlignment = SJFloatViewAlignmentBottomRight;
-        _player.floatSmallViewController.floatViewInsets = UIEdgeInsetsMake(0, 0, 20, 12);
+//        _player.floatSmallViewController.layoutPosition = SJFloatViewLayoutPositionBottomRight;
         
         __weak typeof(self) _self = self;
         // 单击小浮窗时的回调
diff --git "a/Example/SJVideoPlayer/Demos/\347\254\254\344\270\211\346\226\271\346\222\255\346\224\276\345\231\250/SJTestAliViewController3.m" "b/Example/SJVideoPlayer/Demos/\347\254\254\344\270\211\346\226\271\346\222\255\346\224\276\345\231\250/SJTestAliViewController3.m"
index 0a32d1c04..37762ed50 100644
--- "a/Example/SJVideoPlayer/Demos/\347\254\254\344\270\211\346\226\271\346\222\255\346\224\276\345\231\250/SJTestAliViewController3.m"
+++ "b/Example/SJVideoPlayer/Demos/\347\254\254\344\270\211\346\226\271\346\222\255\346\224\276\345\231\250/SJTestAliViewController3.m"
@@ -14,8 +14,11 @@
 
 #if __has_include(<AliyunPlayer/AliyunPlayer.h>)
 #import <SJBaseVideoPlayer/SJAliMediaPlaybackController.h>
+
 #endif
 
+#import <SJVideoPlayer/SJVideoPlayerURLAsset+SJExtendedDefinition.h>
+
 @interface SJTestAliViewController3 ()
 @property (nonatomic, strong) SJVideoPlayer *player;
 @end
@@ -33,6 +36,7 @@ - (void)viewDidLoad {
     SJVideoPlayerURLAsset *asset = [SJVideoPlayerURLAsset.alloc initWithSource:source];
 //    asset.trialEndPosition = 30; // 试看30秒
     _player.URLAsset = asset;
+    
 #else
     // 切换为 Aliplayer, 详见: https://github.com/changsanjiang/SJVideoPlayer/wiki/Use-AliPlayer
     [_player.prompt show:[NSAttributedString sj_UIKitText:^(id<SJUIKitTextMakerProtocol>  _Nonnull make) {
@@ -58,6 +62,24 @@ - (IBAction)pause:(id)sender {
     [_player pause];
 }
 
+- (BOOL)shouldAutorotate {
+    return NO;
+}
+
+- (void)viewDidAppear:(BOOL)animated {
+    [super viewDidAppear:animated];
+    [_player vc_viewDidAppear];
+}
+
+- (void)viewWillDisappear:(BOOL)animated {
+    [super viewWillDisappear:animated];
+    [_player vc_viewWillDisappear];
+}
+
+- (void)viewDidDisappear:(BOOL)animated {
+    [super viewDidDisappear:animated];
+    [_player vc_viewDidDisappear];
+}
 @end
 
 
diff --git "a/Example/SJVideoPlayer/Demos/\347\254\254\344\270\211\346\226\271\346\222\255\346\224\276\345\231\250/SJTestAliVodPlayerViewController.m" "b/Example/SJVideoPlayer/Demos/\347\254\254\344\270\211\346\226\271\346\222\255\346\224\276\345\231\250/SJTestAliVodPlayerViewController.m"
index 914a60f5c..e712a08af 100644
--- "a/Example/SJVideoPlayer/Demos/\347\254\254\344\270\211\346\226\271\346\222\255\346\224\276\345\231\250/SJTestAliVodPlayerViewController.m"
+++ "b/Example/SJVideoPlayer/Demos/\347\254\254\344\270\211\346\226\271\346\222\255\346\224\276\345\231\250/SJTestAliVodPlayerViewController.m"
@@ -49,6 +49,25 @@ - (void)viewDidLoad {
     // Do any additional setup after loading the view from its nib.
 }
 
+
+- (BOOL)shouldAutorotate {
+    return NO;
+}
+
+- (void)viewDidAppear:(BOOL)animated {
+    [super viewDidAppear:animated];
+    [_player vc_viewDidAppear];
+}
+
+- (void)viewWillDisappear:(BOOL)animated {
+    [super viewWillDisappear:animated];
+    [_player vc_viewWillDisappear];
+}
+
+- (void)viewDidDisappear:(BOOL)animated {
+    [super viewDidDisappear:animated];
+    [_player vc_viewDidDisappear];
+}
 @end
 
 
diff --git "a/Example/SJVideoPlayer/Demos/\347\254\254\344\270\211\346\226\271\346\222\255\346\224\276\345\231\250/SJTestIJKViewController2.m" "b/Example/SJVideoPlayer/Demos/\347\254\254\344\270\211\346\226\271\346\222\255\346\224\276\345\231\250/SJTestIJKViewController2.m"
index 406882937..5a5c9393b 100644
--- "a/Example/SJVideoPlayer/Demos/\347\254\254\344\270\211\346\226\271\346\222\255\346\224\276\345\231\250/SJTestIJKViewController2.m"
+++ "b/Example/SJVideoPlayer/Demos/\347\254\254\344\270\211\346\226\271\346\222\255\346\224\276\345\231\250/SJTestIJKViewController2.m"
@@ -64,6 +64,27 @@ - (IBAction)pause:(id)sender {
 - (IBAction)next:(id)sender {
     _player.URLAsset = [SJVideoPlayerURLAsset.alloc initWithURL:VideoURL_Level1];
 }
+
+
+
+- (BOOL)shouldAutorotate {
+    return NO;
+}
+
+- (void)viewDidAppear:(BOOL)animated {
+    [super viewDidAppear:animated];
+    [_player vc_viewDidAppear];
+}
+
+- (void)viewWillDisappear:(BOOL)animated {
+    [super viewWillDisappear:animated];
+    [_player vc_viewWillDisappear];
+}
+
+- (void)viewDidDisappear:(BOOL)animated {
+    [super viewDidDisappear:animated];
+    [_player vc_viewDidDisappear];
+}
 @end
 
 #pragma mark -
diff --git "a/Example/SJVideoPlayer/Demos/\347\254\254\344\270\211\346\226\271\346\222\255\346\224\276\345\231\250/SJTestPLPlayerViewController.m" "b/Example/SJVideoPlayer/Demos/\347\254\254\344\270\211\346\226\271\346\222\255\346\224\276\345\231\250/SJTestPLPlayerViewController.m"
index 21c893a5e..981bfc3eb 100644
--- "a/Example/SJVideoPlayer/Demos/\347\254\254\344\270\211\346\226\271\346\222\255\346\224\276\345\231\250/SJTestPLPlayerViewController.m"
+++ "b/Example/SJVideoPlayer/Demos/\347\254\254\344\270\211\346\226\271\346\222\255\346\224\276\345\231\250/SJTestPLPlayerViewController.m"
@@ -45,6 +45,25 @@ - (void)viewDidLoad {
 #endif
 }
 
+
+- (BOOL)shouldAutorotate {
+    return NO;
+}
+
+- (void)viewDidAppear:(BOOL)animated {
+    [super viewDidAppear:animated];
+    [_player vc_viewDidAppear];
+}
+
+- (void)viewWillDisappear:(BOOL)animated {
+    [super viewWillDisappear:animated];
+    [_player vc_viewWillDisappear];
+}
+
+- (void)viewDidDisappear:(BOOL)animated {
+    [super viewDidDisappear:animated];
+    [_player vc_viewDidDisappear];
+}
 @end
 
 #pragma mark -
diff --git a/SJVideoPlayer.podspec b/SJVideoPlayer.podspec
index f98a4ed14..a498b9b5c 100644
--- a/SJVideoPlayer.podspec
+++ b/SJVideoPlayer.podspec
@@ -1,7 +1,7 @@
 
 Pod::Spec.new do |s|
     s.name         = 'SJVideoPlayer'
-    s.version      = '3.2.8'
+    s.version      = '3.2.9'
     s.summary      = 'video player.'
     s.description  = 'https://github.com/changsanjiang/SJVideoPlayer/blob/master/README.md'
     s.homepage     = 'https://github.com/changsanjiang/SJVideoPlayer'
@@ -10,7 +10,7 @@ Pod::Spec.new do |s|
     s.platform     = :ios, '8.0'
     s.source       = { :git => 'https://github.com/changsanjiang/SJVideoPlayer.git', :tag => "v#{s.version}" }
     s.requires_arc = true
-    s.dependency 'SJBaseVideoPlayer', '>= 3.4.3'
+    s.dependency 'SJBaseVideoPlayer', '>= 3.4.5'
 
     s.source_files = 'SJVideoPlayer/*.{h,m}'
     
diff --git a/SJVideoPlayer/Common/Implements/SJScrollingTextMarqueeView.m b/SJVideoPlayer/Common/Implements/SJScrollingTextMarqueeView.m
index 4bb8d4e89..2854833cb 100644
--- a/SJVideoPlayer/Common/Implements/SJScrollingTextMarqueeView.m
+++ b/SJVideoPlayer/Common/Implements/SJScrollingTextMarqueeView.m
@@ -36,15 +36,27 @@ @implementation SJScrollingTextMarqueeView
 - (instancetype)initWithFrame:(CGRect)frame {
     self = [super initWithFrame:frame];
     if ( self ) {
-        _margin = 28;
-        _scrollEnabled = YES;
-        self.clipsToBounds = YES;
-        [NSNotificationCenter.defaultCenter addObserver:self selector:@selector(_reset) name:UIApplicationWillEnterForegroundNotification object:nil];
-        [self _setupViews];
+        [self _init];
     }
     return self;
 }
 
+- (nullable instancetype)initWithCoder:(NSCoder *)coder {
+    self = [super initWithCoder:coder];
+    if (self) {
+        [self _init];
+    }
+    return self;
+}
+
+- (void)_init {
+    _margin = 28;
+    _scrollEnabled = YES;
+    self.clipsToBounds = YES;
+    [NSNotificationCenter.defaultCenter addObserver:self selector:@selector(_reset) name:UIApplicationWillEnterForegroundNotification object:nil];
+    [self _setupViews];
+}
+
 - (void)dealloc {
     [NSNotificationCenter.defaultCenter removeObserver:self];
 }
diff --git a/SJVideoPlayer/Common/Utils/SJProgressSlider/SJProgressSlider.m b/SJVideoPlayer/Common/Utils/SJProgressSlider/SJProgressSlider.m
index c7acfb6ef..f926f2aa6 100644
--- a/SJVideoPlayer/Common/Utils/SJProgressSlider/SJProgressSlider.m
+++ b/SJVideoPlayer/Common/Utils/SJProgressSlider/SJProgressSlider.m
@@ -51,12 +51,25 @@ @implementation SJProgressSlider {
 
 - (instancetype)initWithFrame:(CGRect)frame {
     self = [super initWithFrame:frame];
-    if ( !self ) return nil;
+    if ( self ) {
+        [self _init];
+    }
+    return self;
+}
+
+- (nullable instancetype)initWithCoder:(NSCoder *)coder {
+    self = [super initWithCoder:coder];
+    if ( self ) {
+        [self _init];
+    }
+    return self;
+}
+
+- (void)_init {
     [self _setupDefaultValues];
     [self _setupView];
     [self _setupGestrue];
     [self _needUpdateContainerCornerRadius];
-    return self;
 }
 
 - (void)_setupDefaultValues {
diff --git a/SJVideoPlayer/SJVideoPlayer.m b/SJVideoPlayer/SJVideoPlayer.m
index ea95eddc3..577531d95 100644
--- a/SJVideoPlayer/SJVideoPlayer.m
+++ b/SJVideoPlayer/SJVideoPlayer.m
@@ -290,6 +290,7 @@ - (SJVideoDefinitionSwitchingInfoObserver *)sj_switchingInfoObserver {
                 }
                     break;
             }
+            [self _updateContentForDefinitionButtonItemIfNeeded];
         };
     }
     return _sj_switchingInfoObserver;