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 5346819e..2249eb2e 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
@@ -50,7 +50,10 @@
         on u.usid=up.user_id
         left join ts_position p
         on up.position_id=p.id
-        where u.institution_id=#{TsUser.institutionId}
+        where 1=1
+        <if test="TsUser.institutionId != null and TsUser.institutionId != '' ">
+            and u.institution_id=#{TsUser.institutionId}
+        </if>
         <if test="TsUser.uname != null and TsUser.uname != '' ">
             and u.uname like concat('%',#{TsUser.uname},'%')
         </if>