diff --git a/virtual-patient-common/src/main/java/com/supervision/util/SimilarityUtil.java b/virtual-patient-common/src/main/java/com/supervision/util/SimilarityUtil.java
index 4c2a0725..c1b1d1f9 100644
--- a/virtual-patient-common/src/main/java/com/supervision/util/SimilarityUtil.java
+++ b/virtual-patient-common/src/main/java/com/supervision/util/SimilarityUtil.java
@@ -45,6 +45,7 @@ public class SimilarityUtil {
                 qaSimilarityQuestionAnswer.setMatchQuestion(document.getContent());
                 qaSimilarityQuestionAnswer.setDictId(String.valueOf(document.getMetadata().get("dictId")));
                 qaSimilarityQuestionAnswer.setMatchQuestionCode(String.valueOf(document.getMetadata().get("standardQuestionId")));
+                // 1- 可以使数据进行排序,相似度越高,数值越大
                 qaSimilarityQuestionAnswer.setMatchScore(1 - Double.parseDouble(String.valueOf(document.getMetadata().get("vector_score"))));
                 return qaSimilarityQuestionAnswer;
                 // 排序,降序,取最高的