diff --git a/src/main/resources/vm/java/serviceImpl.java.vm b/src/main/resources/vm/java/serviceImpl.java.vm
index 239b57d..e7f2596 100644
--- a/src/main/resources/vm/java/serviceImpl.java.vm
+++ b/src/main/resources/vm/java/serviceImpl.java.vm
@@ -25,10 +25,10 @@ public class ${ClassName}ServiceImpl extends ServiceImpl<${ClassName}Mapper, ${C
 
     @Resource
     private ${ClassName}Mapper ${className}Mapper;
-
+#if($table.sub)
     @Resource
     private ${subClassName}Mapper ${subclassName}Mapper;
-
+#end
     /**
      * 查询${functionName}分页列表
      *