diff --git a/src/main/java/com/jsl/oa/mapper/ModuleMapper.java b/src/main/java/com/jsl/oa/mapper/ModuleMapper.java
index 2dc50a9..15b638c 100644
--- a/src/main/java/com/jsl/oa/mapper/ModuleMapper.java
+++ b/src/main/java/com/jsl/oa/mapper/ModuleMapper.java
@@ -26,4 +26,7 @@ public interface ModuleMapper {
 
     @Delete("DELETE FROM organize_oa.oa_project_work WHERE id = #{id}")
     void deleteMoudule(Long id);
+
+    @Select("select * from organize_oa.oa_project_work where pid=#{id} and is_delete=0 and type=1 ")
+    List<ProjectWorkDO> getAllMoudleByPid(Long id);
 }
diff --git a/src/main/java/com/jsl/oa/services/impl/ModuleServiceImpl.java b/src/main/java/com/jsl/oa/services/impl/ModuleServiceImpl.java
index 9d0c275..161d0e9 100644
--- a/src/main/java/com/jsl/oa/services/impl/ModuleServiceImpl.java
+++ b/src/main/java/com/jsl/oa/services/impl/ModuleServiceImpl.java
@@ -61,15 +61,30 @@ public class ModuleServiceImpl implements ModuleService {
         return ResultUtil.success(projectWorkDOList);
     }
 
+
     @Override
     public BaseResponse deleteById(HttpServletRequest request, Long id) {
 
+//        检测是否为管理员
         if(!Processing.checkUserIsAdmin(request,roleMapper)){
             return ResultUtil.error(ErrorCode.NOT_PERMISSION);
         }
 
-        moduleMapper.deleteMoudule(id);
+        deleteMoudule(id);
 
         return ResultUtil.success("删除成功");
     }
+
+//    删除子模块方法
+    public void deleteMoudule(Long id){
+        //获取所有父Id=id的子模块
+        List<ProjectWorkDO> projectWorkDOS = moduleMapper.getAllMoudleByPid(id);
+
+        for(ProjectWorkDO workDO: projectWorkDOS){
+            deleteMoudule(workDO.getId());
+        }
+
+        moduleMapper.deleteMoudule(id);
+    }
+
 }