查询用户最后一次登陆的网格，sql修正

epmet-module/gov-org/gov-org-server/src/main/resources/mapper/CustomerStaffGridDao.xml

@@ -22,20 +22,18 @@
             grid.ID,
             grid.GRID_NAME,
             grid.PID
-        FROM CUSTOMER_GRID grid
+		FROM CUSTOMER_STAFF_GRID staff
         LEFT JOIN
-        CUSTOMER_STAFF_GRID staff ON
-        (
+            CUSTOMER_GRID grid ON
             grid.ID = staff.GRID_ID
+        WHERE
+            grid.DEL_FLAG = '0'
 		AND
             staff.DEL_FLAG = '0'
         AND
             staff.CUSTOMER_ID = #{customerId}
         AND
             staff.USER_ID = #{staffId}
-        )
-        WHERE
-        grid.DEL_FLAG = '0'
         ORDER BY grid.GRID_NAME ASC
         LIMIT 1
     </select>