diff --git a/src/main/java/com/peanut/common/utils/MyUtil.java b/src/main/java/com/peanut/common/utils/MyUtil.java
deleted file mode 100644
index f1100977..00000000
--- a/src/main/java/com/peanut/common/utils/MyUtil.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package com.peanut.common.utils;
-
-import com.baomidou.mybatisplus.core.toolkit.StringUtils;
-
-public class MyUtil {
-
-    public static boolean notEmpty(Object o){
-        if(o!=null&& StringUtils.isNotBlank(o.toString())){
-            return true;
-        }else {
-            return false;
-        }
-    }
-}
diff --git a/src/main/java/com/peanut/modules/book/service/impl/PointServiceImpl.java b/src/main/java/com/peanut/modules/book/service/impl/PointServiceImpl.java
index 0346a82f..829879b9 100644
--- a/src/main/java/com/peanut/modules/book/service/impl/PointServiceImpl.java
+++ b/src/main/java/com/peanut/modules/book/service/impl/PointServiceImpl.java
@@ -5,7 +5,6 @@ import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.toolkit.StringUtils;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
-import com.peanut.common.utils.MyUtil;
 import com.peanut.modules.book.dao.PointCategoryDao;
 import com.peanut.modules.book.dao.PointDao;
 import com.peanut.modules.book.entity.PointCategoryEntity;
@@ -30,7 +29,7 @@ public class PointServiceImpl extends ServiceImpl<PointDao, PointEntity> impleme
         Integer limit = Integer.valueOf(map.get("limit").toString());
         Integer page = Integer.valueOf(map.get("page").toString());
         LambdaQueryWrapper<PointEntity> wrapper = new LambdaQueryWrapper<>();
-        if(map.containsKey("pointCategoryId")&& MyUtil.notEmpty(map.containsKey("pointCategoryId"))){
+        if(map.containsKey("pointCategoryId")&&map.get("pointCategoryId")!=null&&StringUtils.isNotBlank(map.get("pointCategoryId").toString())){
             Integer id = Integer.valueOf(map.get("pointCategoryId").toString());
             List<Integer> ids = new ArrayList<>();
             createIds(id,ids);