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 98c54b2..4074b77 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
@@ -537,12 +537,16 @@ public class YxCalculationMajorServiceImpl extends ServiceImpl<YxCalculationMajo
                             }
                         }
                     } else {
+                        //当前年省控线 折合后
                         nowYearProvincialControlLine = ScoreUtil.covertIntoControlLine(rulesEnrollProbability, culturalControlLine, specialControlLine, recommendMajorDTO.getFirstLevelDiscipline(), probabilityOperator);
                         if (nowYearProvincialControlLine == null) {
                             continue;
                         }
+                        //历年分差
                         differenceMap = ScoreUtil.computeHistoryMajorEnrollScoreLineDifferenceWithRulesEnrollProbability(rulesEnrollProbability, historyMajorEnrollList);
+                        //
                         historyThreeYearDiff = (BigDecimal) differenceMap.get("scoreDifference");
+
                         //historyThreeYearDiff = sum.divide(new BigDecimal(size), 4, RoundingMode.HALF_UP);
                         nowYearDiff = studentScore.subtract(nowYearProvincialControlLine);
                         enrollProbability = ScoreUtil.commonCheckEnrollProbability(nowYearDiff,historyThreeYearDiff);