diff --git a/pom.xml b/pom.xml
index 81e59af..e4b0ab7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -47,7 +47,7 @@
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
+            <version>3.9</version>
         </dependency>
         <!-- 日志依赖 begin-->
         <dependency>
@@ -58,25 +58,25 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-core</artifactId>
-            <version>1.2.0</version>
+            <version>1.3.15</version>
         </dependency>
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.2.0</version>
+            <version>1.3.15</version>
         <!-- 日志依赖 end-->
         </dependency>
         <!-- netty -->
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>${netty.version}</version>
+            <version>4.1.42.Final</version>
         </dependency>
         <!--自动生成证书依赖-->
         <dependency>
             <groupId>org.bouncycastle</groupId>
             <artifactId>bcpkix-jdk15on</artifactId>
-            <version>${bcpkix.version}</version>
+            <version>1.67</version>
         </dependency>
     </dependencies>