MOD: filterViewedVideo

recommend-server-service/src/main/java/com/tzld/piaoquan/recommend/server/service/ViewedService.java

@@ -47,7 +47,7 @@ public class ViewedService {
                                         String abCode, Long hotSceneType) {
 
         Stopwatch stopwatch = Stopwatch.createStarted();
-        List<Integer> viewedTypes = viewedTypesMap.getOrDefault(appType, defaultViewedTypes);
+        List<Integer> viewedTypes = new ArrayList<>(viewedTypesMap.getOrDefault(appType, defaultViewedTypes));
         if ("60106".equals(abCode)) {
             viewedTypes.add(8);
         }