bug

src/main/java/com/peanut/modules/book/controller/PointController.java

@@ -1,6 +1,7 @@
 package com.peanut.modules.book.controller;
 
 import com.alibaba.fastjson.JSON;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.peanut.common.utils.R;
 import com.peanut.modules.book.entity.PointCategoryEntity;
@@ -50,6 +51,12 @@ public class PointController {
     @RequestMapping("/delPointCategory")
     public R delPointCategory(@RequestBody Map<String,Object> map){
         Integer id = Integer.valueOf(map.get("pointCategoryId").toString());
+        LambdaQueryWrapper<PointEntity> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(PointEntity::getPointCategoryId,id);
+        List<PointEntity> list = pointService.list(wrapper);
+        if(list.size()>0){
+            return R.error("此分类下存在文章，请先清空文章后再尝试删除！");
+        }
         pointCategoryService.removeById(id);
         return R.ok();
     }