diff --git a/epmet-user/epmet-user-server/src/main/resources/mapper/UserRoleDao.xml b/epmet-user/epmet-user-server/src/main/resources/mapper/UserRoleDao.xml
index 815198bed5..84539f5ea2 100644
--- a/epmet-user/epmet-user-server/src/main/resources/mapper/UserRoleDao.xml
+++ b/epmet-user/epmet-user-server/src/main/resources/mapper/UserRoleDao.xml
@@ -37,7 +37,7 @@
             <if test='null != gridId and "" != gridId'>
                 AND( ur.GRID_ID = #{gridId} OR ur.GRID_ID = 'all' )
             </if>
-            <if test='gridId == null or gridId = ""'>
+            <if test='null == gridId or "" == gridId'>
                 AND ur.GRID_ID = 'all'
             </if>
         </where>