diff --git a/src/main/resources/mybatis/mapper/citybuilding/citybuilding-mapper.xml b/src/main/resources/mybatis/mapper/citybuilding/citybuilding-mapper.xml
index 5314142..5089163 100644
--- a/src/main/resources/mybatis/mapper/citybuilding/citybuilding-mapper.xml
+++ b/src/main/resources/mybatis/mapper/citybuilding/citybuilding-mapper.xml
@@ -140,6 +140,7 @@
         <if test="buildingName != null and buildingName != ''">
         AND
             t1.building_name = #{buildingName}
+        LIMIT 0, 1
         </if>
     </select>