diff --git a/src/main/resources/mybatis/mapper/basic/UdiRelevanceDao.xml b/src/main/resources/mybatis/mapper/basic/UdiRelevanceDao.xml
index d74f10e90..74239c55a 100644
--- a/src/main/resources/mybatis/mapper/basic/UdiRelevanceDao.xml
+++ b/src/main/resources/mybatis/mapper/basic/UdiRelevanceDao.xml
@@ -682,9 +682,9 @@
                 AND basic_products.originUuid is NULL
             </if>
             <if test="filterType != null and filterType == 2 and productsType == 2">
-                AND  (thirdId = '' or  thirdId1 = ''
-                or  thirdId2 = '' or  thirdId3 = ''
-                or  thirdId4 = '') AND  mainId = ''
+                AND  ((thirdId = '' or thirdId is null)  or  (thirdId1 = '' or thirdId1 is null)
+                or  (thirdId2 = '' or thirdId2 is null) or  (thirdId3 = '' or thirdId3 is null)
+                or  (thirdId4 = '' or thirdId4 is null)) AND (mainId = '' or mainId is null)
             </if>
             <if test="filterType != null and filterType == 3">
                 AND (mainId is NULL or mainId = '')