diff --git a/ruoyi-generator/src/main/resources/vm/java/serviceImpl.java.vm b/ruoyi-generator/src/main/resources/vm/java/serviceImpl.java.vm
index 2fc7949..116f6c5 100644
--- a/ruoyi-generator/src/main/resources/vm/java/serviceImpl.java.vm
+++ b/ruoyi-generator/src/main/resources/vm/java/serviceImpl.java.vm
@@ -129,6 +129,9 @@ public class ${ClassName}ServiceImpl implements I${ClassName}Service
      * @param ${pkColumn.javaField} ${functionName}主键
      * @return 结果
      */
+#if($table.sub)
+    @Transactional
+#end
     @Override
     public int delete${ClassName}By${pkColumn.capJavaField}(${pkColumn.javaType} ${pkColumn.javaField})
     {