diff --git a/pom.xml b/pom.xml
index 28b523d..e1efdb0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>spring-boot-dependencies</artifactId>
         <groupId>org.springframework.boot</groupId>
-        <version>2.4.3</version>
+        <version>2.0.9.RELEASE</version>
     </parent>
     <groupId>com.github.shamoasis</groupId>
     <artifactId>sm-spring-dependencies</artifactId>
@@ -13,20 +13,20 @@
     <packaging>pom</packaging>
 
     <properties>
-        <revision>2.4.3</revision>
+        <revision>2.0.9</revision>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
         <maven.compiler.source>8</maven.compiler.source>
         <maven.compiler.target>8</maven.compiler.target>
-        <spring-booot.version>2.4.3</spring-booot.version>
-        <spring-cloud.version>2020.0.3</spring-cloud.version>
-        <spring-cloud.alibaba.version>2021.1</spring-cloud.alibaba.version>
+        <spring-booot.version>2.0.9.RELEASE</spring-booot.version>
+        <spring-cloud.version>Finchley.SR4</spring-cloud.version>
+        <spring-cloud.alibaba.version>2.0.4.RELEASE</spring-cloud.alibaba.version>
         <mybatis-starter.version>2.1.3</mybatis-starter.version>
         <mybatis.mapper.version>4.1.5</mybatis.mapper.version>
         <mapper-spring-boot-starter.version>2.1.5</mapper-spring-boot-starter.version>
         <mysql.version>5.1.48</mysql.version>
-        <druid-starter.version>1.2.4</druid-starter.version>
+        <druid-starter.version>1.2.6</druid-starter.version>
         <mybatis-typehandlers.version>1.0.2</mybatis-typehandlers.version>
         <fastjson.version>1.2.76</fastjson.version>
         <lombok.version>1.18.20</lombok.version>
@@ -35,7 +35,6 @@
         <spring-cloud-oauth2-server.version>5.4.6</spring-cloud-oauth2-server.version>
         <seata.version>1.4.1</seata.version>
         <mybatis-generator-plugin.version>1.4.0</mybatis-generator-plugin.version>
-        <mysql.version>5.1.48</mysql.version>
         <tk.mapper.version>4.1.5</tk.mapper.version>
         <mybatis-plus.version>3.4.2</mybatis-plus.version>
         <fastjson.version>1.2.76</fastjson.version>
@@ -107,13 +106,6 @@
                 <version>${hibernate-validator.version}</version>
             </dependency>
 
-            <dependency>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-starter-test</artifactId>
-                <version>${spring-booot.version}</version>
-                <scope>test</scope>
-            </dependency>
-
             <!-- https://mvnrepository.com/artifact/org.springframework.cloud/spring-cloud-starter-oauth2 -->
             <dependency>
                 <groupId>org.springframework.cloud</groupId>