修改用户列表问题

ace-modules/ace-admin/src/main/resources/mapper/AppUserDetailMapper.xml

@@ -230,7 +230,7 @@
         <if test="realName !=null and  realName != ''">
             and d.realname like CONCAT('%',#{realName},'%')
         </if>
-        <if test="citySet != null ">
+        <if test="citySet != null and citySet.size > 0 ">
             and d.city_code in
             <foreach collection="citySet" item="item" index="index" open="(" separator="," close=")">
                 #{item}