diff --git a/README.md b/README.md
index fe8590d..0d56345 100644
--- a/README.md
+++ b/README.md
@@ -16,12 +16,12 @@ QQ群:1022221898
   <dependency>
       <groupId>com.github.yulichang</groupId>
       <artifactId>mybatis-plus-join</artifactId>
-      <version>1.2.2</version>
+      <version>1.2.1</version>
   </dependency>
   ```
 - Gradle
   ```
-   implementation group: 'com.github.yulichang', name: 'mybatis-plus-join', version: '1.2.2'
+   implementation group: 'com.github.yulichang', name: 'mybatis-plus-join', version: '1.2.1'
   ```
   或者clone代码到本地执行 mvn install, 再引入以上依赖  
   <br>
diff --git a/pom.xml b/pom.xml
index 4c13cde..f390c27 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.github.yulichang</groupId>
     <artifactId>mybatis-plus-join</artifactId>
-    <version>1.2.2</version>
+    <version>1.2.1</version>
     <name>mybatis-plus-join</name>
     <description>An enhanced toolkit of Mybatis-Plus to simplify development.</description>
     <url>https://github.com/yulichang/mybatis-plus-join</url>