优化去重

mec-biz/src/main/java/com/ym/mec/biz/service/impl/PlatformProductServiceImpl.java

@@ -122,6 +122,7 @@ public class PlatformProductServiceImpl extends ServiceImpl<PlatformProductDao,
             return null;
         }
         return strings.stream()
+                .distinct()
                 .map(WrapperUtil::toInt)
                 .collect(Collectors.toList());
     }