diff --git a/dongjian-dashboard-back-dao/src/main/resources/mappers/ex/LevelMapperExt.xml b/dongjian-dashboard-back-dao/src/main/resources/mappers/ex/LevelMapperExt.xml
index 268e080..526b0f4 100644
--- a/dongjian-dashboard-back-dao/src/main/resources/mappers/ex/LevelMapperExt.xml
+++ b/dongjian-dashboard-back-dao/src/main/resources/mappers/ex/LevelMapperExt.xml
@@ -317,7 +317,7 @@
             </otherwise>
         </choose>
         <where>
-            <if test="bindBuildingIdList != null">
+            <if test="bindBuildingIdList != null and bindBuildingIdList.size() > 0">
                 AND b.building_id IN <foreach collection="bindBuildingIdList" item="item" open="(" separator="," close=")">#{item}</foreach>
             </if>
         </where>