diff --git a/Agora_RTM_SDK_for_Web/samples/Agora-RTM-Tutorial-Web/package-lock.json b/Agora_RTM_SDK_for_Web/samples/Agora-RTM-Tutorial-Web/package-lock.json
index 479b355..9f336f9 100644
--- a/Agora_RTM_SDK_for_Web/samples/Agora-RTM-Tutorial-Web/package-lock.json
+++ b/Agora_RTM_SDK_for_Web/samples/Agora-RTM-Tutorial-Web/package-lock.json
@@ -1014,9 +1014,9 @@
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-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.2.1.tgz",
-      "integrity": "sha512-JD0xT5FCRDNyjDda3Lrg/IxFscp9q4tiYtxE1/nOzlKCk7hIRuYjhq1kCNkbPjMRMZuFq20HNQn1I9k8Oj0E+Q==",
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+      "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
       "dev": true
     },
     "agora-rtc-sdk": {
@@ -1025,9 +1025,9 @@
       "integrity": "sha512-HvdnthhsYc+yc+RCjaVB7x4T1JT9DXQbAFf8pu7h8yIlUtfpl26oKduppZXe1NpPOk6r+0AWLfU3iq9RmTmpRA=="
     },
     "agora-rtm-sdk": {
-      "version": "0.9.3",
-      "resolved": "https://registry.npmjs.org/agora-rtm-sdk/-/agora-rtm-sdk-0.9.3.tgz",
-      "integrity": "sha512-/7aTsbeoakp7g+FEkvQMCC1NbPJ92m5j7wl9h+TTs1bB1xPbVKv4fkO+VNtI/aDb/cs5cL6Y9RqXYBDHoX/gBQ=="
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/agora-rtm-sdk/-/agora-rtm-sdk-1.2.2.tgz",
+      "integrity": "sha512-uL6fUBQyyFvVJ4Snd7uT3VL0fPLSO0XcQxGxa1BN3l4neAY0Kte53xi0xVzco1sIFxUyV42AR0nbRx4iNsre0w=="
     },
     "ajv": {
       "version": "6.10.2",
@@ -3353,7 +3353,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -3374,12 +3375,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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             "concat-map": "0.0.1"
@@ -3394,17 +3397,20 @@
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           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
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@@ -3521,7 +3527,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -3533,6 +3540,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -3547,6 +3555,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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           }
@@ -3554,12 +3563,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
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           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
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             "yallist": "^3.0.0"
@@ -3578,6 +3589,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -3658,7 +3670,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
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           "version": "4.1.1",
@@ -3670,6 +3683,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -3755,7 +3769,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
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           "version": "2.1.2",
@@ -3791,6 +3806,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -3810,6 +3826,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -3853,12 +3870,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },