diff --git a/mybatis-plus-join-annotation/pom.xml b/mybatis-plus-join-annotation/pom.xml
index 463b4c9..72403c9 100644
--- a/mybatis-plus-join-annotation/pom.xml
+++ b/mybatis-plus-join-annotation/pom.xml
@@ -47,7 +47,7 @@
         <dependency>
             <groupId>com.baomidou</groupId>
             <artifactId>mybatis-plus-core</artifactId>
-            <version>${mybatis-plus.version}</version>
+            <version>3.5.2</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/mybatis-plus-join-boot-starter/pom.xml b/mybatis-plus-join-boot-starter/pom.xml
index 660091f..c88f5e8 100644
--- a/mybatis-plus-join-boot-starter/pom.xml
+++ b/mybatis-plus-join-boot-starter/pom.xml
@@ -58,13 +58,13 @@
         <dependency>
             <groupId>com.baomidou</groupId>
             <artifactId>mybatis-plus-boot-starter</artifactId>
-            <version>${mybatis-plus.version}</version>
+            <version>3.5.2</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <version>${lombok.version}</version>
+            <version>1.18.24</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/mybatis-plus-join-core/pom.xml b/mybatis-plus-join-core/pom.xml
index d48f1c6..8cc1ba5 100644
--- a/mybatis-plus-join-core/pom.xml
+++ b/mybatis-plus-join-core/pom.xml
@@ -52,13 +52,13 @@
         <dependency>
             <groupId>com.baomidou</groupId>
             <artifactId>mybatis-plus-extension</artifactId>
-            <version>${mybatis-plus.version}</version>
+            <version>3.5.2</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <version>${lombok.version}</version>
+            <version>1.18.24</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
diff --git a/mybatis-plus-join-test/pom.xml b/mybatis-plus-join-test/pom.xml
index e4d3920..396ae49 100644
--- a/mybatis-plus-join-test/pom.xml
+++ b/mybatis-plus-join-test/pom.xml
@@ -66,7 +66,7 @@
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <version>${lombok.version}</version>
+            <version>1.18.24</version>
         </dependency>
         <dependency>
             <groupId>com.baomidou</groupId>
diff --git a/pom.xml b/pom.xml
index f7a7274..c10686c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -37,10 +37,6 @@
     </modules>
 
     <properties>
-        <mybaits-plus-join.version>2.0.0</mybaits-plus-join.version>
-        <mybatis-plus.version>3.5.2</mybatis-plus.version>
-        <lombok.version>1.18.24</lombok.version>
-
         <jdkVersion>1.8</jdkVersion>
         <jdkVersion.test>1.8</jdkVersion.test>
         <maven.compiler.source>1.8</maven.compiler.source>