diff --git a/adc-da-slrs/src/main/resources/mybatis/mapper/sarUser/TsUserMapper.xml b/adc-da-slrs/src/main/resources/mybatis/mapper/sarUser/TsUserMapper.xml
index 71022ed0..15d29a7f 100644
--- a/adc-da-slrs/src/main/resources/mybatis/mapper/sarUser/TsUserMapper.xml
+++ b/adc-da-slrs/src/main/resources/mybatis/mapper/sarUser/TsUserMapper.xml
@@ -83,7 +83,7 @@
     </select>
 
     <select id="userUnderInstitutionCount" resultType="java.lang.Integer">
-        select count(u.USID) from ts_user u
+        select count(distinct u.USID) from ts_user u
         left join ts_user_position up
         on u.usid=up.user_id
         left join ts_position p