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 a75a1df8..649f95cc 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
@@ -686,7 +686,15 @@ public class Cet_4ServiceImpl extends ServiceImpl<Cet_4Mapper, Cet_4> implements
                 .eq(!major.isEmpty(), Cet_4::getMajorname, major)
                 .eq(Cet_4::getBatch, batch);
         List<Cet_4> list = list(queryWrapper);
-        JSONObject rateByLastBatch = getRateByLastBatch(list);
+        //设置要查询的范围端
+        List<int[]> ranges = Arrays.asList(
+                new int[]{0, 400},
+                new int[]{400, 425},
+                new int[]{425, 450},
+                new int[]{450, 475},
+                new int[]{475, 750}
+        );
+        JSONObject rateByLastBatch = getRateByBatchRanges(list, ranges);
         JSONObject scoreRateByLastBatch = getScoreRateByLastBatch(list);
         JSONObject result = new JSONObject();
         result.put("rateByBatch", rateByLastBatch);
@@ -694,18 +702,32 @@ public class Cet_4ServiceImpl extends ServiceImpl<Cet_4Mapper, Cet_4> implements
         return Result.ok(result);
     }
 
-    //400-425占比
-    public JSONObject getRateByLastBatch(List<Cet_4> list) {
+
+    public JSONObject getRateByBatchRanges(List<Cet_4> list, List<int[]> ranges) {
         int total = list.size();
-        int count = (int) list.stream().filter(e -> e.getResult() >= 400 && e.getResult() < 425).count();
         JSONObject jsonObject = new JSONObject();
-        double rate = count / (double) total;
-        rate=rate*100;
-        DecimalFormat df = new DecimalFormat("#.##");
-        jsonObject.put("rate", df.format(rate));
+
+        // 遍历每个区间
+        for (int[] range : ranges) {
+            int min = range[0];
+            int max = range[1];
+
+            // 计算符合条件的个数
+            int count = (int) list.stream().filter(e -> e.getResult() >= min && e.getResult() < max).count();
+
+            // 计算比率
+            double rate = count / (double) total;
+            rate = rate * 100;
+
+            // 格式化结果并添加到结果中
+            DecimalFormat df = new DecimalFormat("#.##");
+            jsonObject.put(min + "-" + max, df.format(rate));
+        }
+
         return jsonObject;
     }
 
+
     //听力阅读等各个模块占比
     public JSONObject getScoreRateByLastBatch(List<Cet_4> list) {
         int total = list.size();