update

mec-biz/src/main/resources/config/mybatis/SysMusicScoreMapper.xml

@@ -171,7 +171,7 @@
 			</if>
 			<if test="rankType != null">
 				<if test="rankType == 0">
-					AND ses.rank_ids_ IS NULL
+					AND ses.rank_ids_ IS NULL or ses.rank_ids_ = ''
 				</if>
 				<if test="rankType == 1">
 					AND ses.rank_ids_ IS NOT NULL AND ses.rank_ids_ != ''