Merge branch 'hotfix-0420' into test6.10.0

@@ -371,6 +371,6 @@
     <select id="selectByStatusAndUpdateTimeLess" resultMap="BaseResultMap">
         select <include refid="Base_Column_List"></include>
         from buyer_order
-        where status = #{status} and update_time < #{updateTime}
+        where status = #{status} and update_time &lt; #{updateTime}
     </select>
 </mapper>
\ No newline at end of file