diff --git a/jeecg-module-system/jeecg-system-start/src/main/java/org/jeecg/modules/service/impl/Cet_4ServiceImpl.java b/jeecg-module-system/jeecg-system-start/src/main/java/org/jeecg/modules/service/impl/Cet_4ServiceImpl.java
index b45304ad..08a59572 100644
--- a/jeecg-module-system/jeecg-system-start/src/main/java/org/jeecg/modules/service/impl/Cet_4ServiceImpl.java
+++ b/jeecg-module-system/jeecg-system-start/src/main/java/org/jeecg/modules/service/impl/Cet_4ServiceImpl.java
@@ -172,7 +172,7 @@ public class Cet_4ServiceImpl extends ServiceImpl<Cet_4Mapper, Cet_4> implements
         for (Map.Entry<String, Object> stringObjectEntry : list) {
             jsonObject.put(stringObjectEntry.getKey(), stringObjectEntry.getValue());
         }
-        JSONObject gradeByBatch = getGradeByBatch(batch, college);
+        JSONObject gradeByBatch = getGradeByBatch(batch,college);
         resultData.put("data", jsonObject);
         resultData.put("gradeData", gradeByBatch);
         System.out.println(resultData);
@@ -558,59 +558,10 @@ public class Cet_4ServiceImpl extends ServiceImpl<Cet_4Mapper, Cet_4> implements
 
     @Override
     public Result<JSONObject> getRateByMajorAndLastestBatch(getRateByMajorAndLastestBatchDto getRateByMajorAndLastestBatchParam) {
-
-        LambdaQueryWrapper<Cet_4> cet4Wrapper = new LambdaQueryWrapper<>();
-
-        Date lastestBatch = cet4Mapper.lastestDate();
-        cet4Wrapper.eq(Cet_4::getCollege, getRateByMajorAndLastestBatchParam.getCollege());
-        cet4Wrapper.eq(Cet_4::getBatch, lastestBatch);
-        //根据前端数据是否传major 判断是否添加 sql 条件
-        if (getRateByMajorAndLastestBatchParam.getMajor() != null && !getRateByMajorAndLastestBatchParam.getMajor().isEmpty()) {
-            cet4Wrapper.eq(Cet_4::getMajorname, getRateByMajorAndLastestBatchParam.getMajor());
-        }
-        long allStudentCount = cet4Mapper.selectCount(cet4Wrapper);
-        //创建所以年级的list
-        List<Map<String, Object>> maps = cet4Mapper.selectMaps(cet4Wrapper);
-        cet4Wrapper.select(Cet_4::getEntrydate).groupBy(Cet_4::getEntrydate);
-        List<Map<String, Object>> entryDateList = cet4Mapper.selectMaps(cet4Wrapper);
-
-        JSONArray ansArray = new JSONArray();
-        for (Map<String, Object> Date : entryDateList) {
-            // 统计当前 entryDate 下的通过人数
-            //所有参加过四级考试的学生
-            Map<String, Integer> attendMap4 = new HashMap<>();
-            String currentEntryDate = (String) Date.get("entrydate");
-            for (Map<String, Object> map : maps) {
-                String studentEntryDate = (String) map.get("entrydate");
-                String str = (String) map.get("id");
-                // 仅处理当前 entryDate 下的学生数据
-                if (currentEntryDate.equals(studentEntryDate)) {
-                    if ((int) map.get("result") >= 425) {
-                        attendMap4.put(str, 1);
-                    } else {
-                        if (!attendMap4.containsKey(str)) {//排除已经通过的人
-                            attendMap4.put(str, 0);
-                        }
-                    }
-                }
-            }
-            //累计通过的人数
-            int passNumber = (int) attendMap4.values().stream().filter(value -> value == 1).count();
-            //每个年级的累计通过率保留三位小数
-            double passRate = passNumber / (double) allStudentCount;
-//            passRate = passRate * 100;
-            //保留三位小数
-            DecimalFormat df = new DecimalFormat("#.###");
-            JSONObject json = new JSONObject();
-            json.put("entryDate", currentEntryDate);
-            json.put("passRate", df.format(passRate));
-            ansArray.add(json);
-
-        }
-        JSONObject result = new JSONObject();
-        result.put("data", ansArray);
-
-        return Result.ok(result);
+        Date batch = cet4Mapper.lastestDate();
+        JSONObject json = new JSONObject();
+        json.put("data",getGradeByBatch(batch,getRateByMajorAndLastestBatchParam.getCollege(),getRateByMajorAndLastestBatchParam.getMajor()));
+        return Result.ok(json);
     }
 
     @Override
@@ -718,13 +669,13 @@ public class Cet_4ServiceImpl extends ServiceImpl<Cet_4Mapper, Cet_4> implements
         return Result.ok(result);
     }
 
-    @Override
-    public JSONObject getGradeByBatch(Date batch, String college) {
+    public JSONObject getGradeByBatch(Date batch, String college, String majorName) {
         //根据批次获取正确的年级
         List<String> trueEntryDate = centerService.getEntryDateByBatch(batch);
         LambdaQueryWrapper<Cet_4> wrapper = new LambdaQueryWrapper<>();
         wrapper.eq(!college.equals("全校"), Cet_4::getCollege, college)
-                .eq(Cet_4::getBatch, batch);
+                .eq(Cet_4::getBatch, batch)
+                .eq(majorName != null, Cet_4::getMajorname, majorName);
         List<Cet_4> allStudent = list(wrapper);
         wrapper.ge(Cet_4::getResult, 425);
         List<Cet_4> allPassStudent = list(wrapper);
@@ -752,6 +703,12 @@ public class Cet_4ServiceImpl extends ServiceImpl<Cet_4Mapper, Cet_4> implements
         return res;
     }
 
+
+    @Override
+    public JSONObject getGradeByBatch(Date batch, String college) {
+        return getGradeByBatch(batch, college, null);
+    }
+
     //获取全校人数
     private List<Cet_4> getNumAll(Date batch) {
         LambdaQueryWrapper<Cet_4> queryWrapper = new LambdaQueryWrapper<>();