diff --git a/pom.xml b/pom.xml
index b562a20..b01b1ec 100644
--- a/pom.xml
+++ b/pom.xml
@@ -41,12 +41,12 @@
         <dependency>
             <groupId>com.baomidou</groupId>
             <artifactId>mybatis-plus-boot-starter</artifactId>
-            <version>${mybatis-plus.version}</version>
+            <version>2.1.0.RELEASE</version>
         </dependency>
         <dependency>
             <groupId>com.baomidou</groupId>
             <artifactId>mybatis-plus-generator</artifactId>
-            <version>${mybatis-plus.version}</version>
+            <version>3.4.1</version>
         </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>
@@ -56,7 +56,7 @@
         <dependency>
             <groupId>org.apache.velocity</groupId>
             <artifactId>velocity-engine-core</artifactId>
-            <version>2.1</version>
+            <version>1.18.2</version>
         </dependency>
         <!-- commonmark core -->
         <dependency>
@@ -79,13 +79,13 @@
         <dependency>
             <groupId>net.sourceforge.nekohtml</groupId>
             <artifactId>nekohtml</artifactId>
-            <version>1.9.22</version>
+            <version>8.0.13</version>
         </dependency>
         <!--druid数据源-->
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>druid-spring-boot-starter</artifactId>
-            <version>1.1.18</version>
+            <version>1.2.21</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>