diff --git a/pom.xml b/pom.xml
index 0a37feb..46d889b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,39 +19,39 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-core</artifactId>
-            <version>${spring.version}</version>
+            <version>4.3.20.RELEASE</version>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-aop</artifactId>
-            <version>${spring.version}</version>
+            <version>5.2.22.RELEASE</version>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-web</artifactId>
-            <version>${spring.version}</version>
+            <version>5.3.38</version>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-webmvc</artifactId>
-            <version>${spring.version}</version>
+            <version>5.3.39</version>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-jdbc</artifactId>
-            <version>${spring.version}</version>
+            <version>5.2.22.RELEASE</version>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-tx</artifactId>
-            <version>${spring.version}</version>
+            <version>5.2.22.RELEASE</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core -->
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>${jackson.version}</version>
+            <version>2.13.4.2</version>
         </dependency>
         <!-- AOP相关包 -->
         <dependency>
@@ -69,13 +69,13 @@
         <dependency>
             <groupId>org.mybatis</groupId>
             <artifactId>mybatis</artifactId>
-            <version>3.3.0</version>
+            <version>3.5.6</version>
         </dependency>
         <!-- MySQL相关包 -->
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.26</version>
+            <version>8.0.31</version>
         </dependency>
         <!-- 数据库连接池 -->
         <dependency>
@@ -88,14 +88,14 @@
         <dependency>
             <groupId>org.mybatis</groupId>
             <artifactId>mybatis-spring</artifactId>
-            <version>1.2.3</version>
+            <version>3.0.5</version>
         </dependency>
 
         <!-- PageHelper -->
         <dependency>
             <groupId>com.github.pagehelper</groupId>
             <artifactId>pagehelper</artifactId>
-            <version>4.1.4</version>
+            <version>5.3.1</version>
         </dependency>
         <!-- JSP标准标签库 -->
         <dependency>
@@ -108,13 +108,13 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.58</version>
+            <version>1.2.83_noneautotype</version>
         </dependency>
         <!-- -->
         <dependency>
             <groupId>commons-fileupload</groupId>
             <artifactId>commons-fileupload</artifactId>
-            <version>1.4</version>
+            <version>1.6.0</version>
         </dependency>
 
 
@@ -147,7 +147,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.9</version>
+            <version>4.13.1</version>
         </dependency>
 
         <dependency>
@@ -173,28 +173,28 @@
         <dependency>
             <groupId>org.apache.shiro</groupId>
             <artifactId>shiro-core</artifactId>
-            <version>1.2.3</version>
+            <version>1.13.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.shiro</groupId>
             <artifactId>shiro-web</artifactId>
-            <version>1.2.3</version>
+            <version>1.13.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.shiro</groupId>
             <artifactId>shiro-spring</artifactId>
-            <version>1.2.3</version>
+            <version>2.0.2</version>
         </dependency>
         <dependency>
             <groupId>org.apache.shiro</groupId>
             <artifactId>shiro-aspectj</artifactId>
-            <version>1.2.3</version>
+            <version>1.13.0</version>
         </dependency>
 
         <dependency>
             <groupId>org.apache.poi</groupId>
             <artifactId>poi</artifactId>
-            <version>3.15</version>
+            <version>4.1.1</version>
         </dependency>
 
     </dependencies>