fix

coolstore-partner-service/src/main/java/com/cool/store/service/impl/LabelServiceImpl.java

@@ -168,6 +168,9 @@ public class LabelServiceImpl implements LabelService {
         }
         Set<Long> userPortraitIdList = new HashSet<>();
         for (String userPortrait:userPortraitStrList) {
+            if(StringUtils.isBlank(userPortrait)){
+                continue;
+            }
             String[] parts = userPortrait.split(",");
             for (String part : parts) {
                 String trimmedPart = part.trim();