diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/web/dto/RecommendMajorDTO.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/web/dto/RecommendMajorDTO.java
index 1b9111f..b3a4bc1 100644
--- a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/web/dto/RecommendMajorDTO.java
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/web/dto/RecommendMajorDTO.java
@@ -157,4 +157,7 @@ public class RecommendMajorDTO implements Serializable {
     private String privateRulesEnrollProbability;
     @ApiModelProperty(value = "内部录取方式运算符")
     private String privateProbabilityOperator;
+
+    @ApiModelProperty(value = "线差")
+    private  BigDecimal scoreLineDifference;
 }
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/yx/service/impl/YxCalculationMajorServiceImpl.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/yx/service/impl/YxCalculationMajorServiceImpl.java
index c1de25f..e46600f 100644
--- a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/yx/service/impl/YxCalculationMajorServiceImpl.java
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/yx/service/impl/YxCalculationMajorServiceImpl.java
@@ -153,6 +153,8 @@ public class YxCalculationMajorServiceImpl extends ServiceImpl<YxCalculationMajo
                 queryRecommendMajorVO.getPCategoryChildrenList().add("兼报");
             }
         }
+        Map<String, YxHistoryScoreControlLine> historyScoreControlLineMap = yxHistoryScoreControlLineService.mapsBatchByProfessionalCategoryOfYear(2024, activeCurrentUserScore.getProfessionalCategory(), activeCurrentUserScore.getCognitioPolyclinic());
+
         //标签类别
         if (StringUtils.isNotBlank(queryRecommendMajorVO.getTagsStrs())) {
             queryRecommendMajorVO.setTagsList(Arrays.asList(queryRecommendMajorVO.getTagsStrs().split(",")));
@@ -205,6 +207,14 @@ public class YxCalculationMajorServiceImpl extends ServiceImpl<YxCalculationMajo
         this.setSchoolTagsList(recommendMajorList);
         List<RecommendMajorDTO> recommendMajorDTOList = recommendMajorList.stream().skip((long) (pageNum - 1) * pageSize).limit(pageSize)
                 .collect(Collectors.toList());
+
+        YxHistoryScoreControlLine yxHistoryScoreControlLine = null;
+        for (RecommendMajorDTO recommendMajorDTO : recommendMajorDTOList) {
+            yxHistoryScoreControlLine = historyScoreControlLineMap.get(recommendMajorDTO.getBatch());
+            if (yxHistoryScoreControlLine!=null) {
+                recommendMajorDTO.setScoreLineDifference(recommendMajorDTO.getStudentScore().subtract(ScoreUtil.covertIntoControlLine(recommendMajorDTO.getRulesEnrollProbability(), yxHistoryScoreControlLine.getCulturalScore(), yxHistoryScoreControlLine.getSpecialScore(), recommendMajorDTO.getFirstLevelDiscipline(), recommendMajorDTO.getProbabilityOperator())));
+            }
+        }
         //包装历年信息
         yxHistoryMajorEnrollService.recommendMajorDTOListSetHistoryInfo(recommendMajorDTOList);
         //组装返回对象