diff --git a/jeecg-module-system/jeecg-system-start/src/main/java/org/jeecg/modules/service/impl/CenterServiceImpl.java b/jeecg-module-system/jeecg-system-start/src/main/java/org/jeecg/modules/service/impl/CenterServiceImpl.java
index f9729707..d0f5a208 100644
--- a/jeecg-module-system/jeecg-system-start/src/main/java/org/jeecg/modules/service/impl/CenterServiceImpl.java
+++ b/jeecg-module-system/jeecg-system-start/src/main/java/org/jeecg/modules/service/impl/CenterServiceImpl.java
@@ -251,7 +251,7 @@ public class CenterServiceImpl extends ServiceImpl<Cet_4Mapper, Cet_4> implement
                 allStudent = cet4_majorMapper.selectCount(Cet4_majorQW);
             }
             List<Map<String, Object>> Cet_4eEntrydate = cet4Mapper.selectMaps(Cet_4QW);
-            int pass = 0;
+
             if (!Cet_4eEntrydate.isEmpty()) {
                 for (Map<String, Object> map : Cet_4eEntrydate) {
                     String str = (String) map.get("id");
@@ -284,7 +284,7 @@ public class CenterServiceImpl extends ServiceImpl<Cet_4Mapper, Cet_4> implement
         //保留三位小数
         DecimalFormat df = new DecimalFormat("#.###");
         String[] grade = {"大一", "大二", "大三", "大四"};
-        JSONObject resultJson = new JSONObject();
+        JSONObject resultJson = new JSONObject(true);
         //遍历批次分年级
         for (int i = 0; i < n; i += 2) {
             // 检查是否到达数组的最后一个元素
@@ -399,4 +399,4 @@ public class CenterServiceImpl extends ServiceImpl<Cet_4Mapper, Cet_4> implement
 //        System.out.println("删除完成");
 //        return null;
 //    }
-}
\ No newline at end of file
+}