diff --git a/src/main/java/com/biutag/supervision/mapper/DataCaseVerifMapper.java b/src/main/java/com/biutag/supervision/mapper/DataCaseVerifMapper.java
index d4de279..81fbc81 100644
--- a/src/main/java/com/biutag/supervision/mapper/DataCaseVerifMapper.java
+++ b/src/main/java/com/biutag/supervision/mapper/DataCaseVerifMapper.java
@@ -44,7 +44,7 @@ public interface DataCaseVerifMapper extends BaseMapper<DataCaseVerif> {
      */
     @Select(" SELECT  " +
             "   twoLevelContent as name, " +
-            "   COUNT(*)  as value  " +
+            "   COUNT(DISTINCT ng.id)  as value  " +
             " from  " +
             "   negative_problem_relation npr LEFT JOIN     " +
             "   negative ng on npr.negativeId = ng.id   " +