bug fix

src/main/resources/mapper/TaHousingResourcesMapper.xml

@@ -295,7 +295,7 @@
         </if>
         <choose>
             <when test="lockingStatus == 'unlocked'">
-                AND (t.house_locking_status = #{lockingStatus} OR t.house_locking_status IS NOT NULL)
+                AND (t.house_locking_status = #{lockingStatus} OR t.house_locking_status IS NULL)
             </when>
             <when test="lockingStatus != null and lockingStatus != ''">
                 AND t.house_locking_status = #{lockingStatus}