add feature read

recommend-feature-client/src/main/java/com/tzld/piaoquan/recommend/feature/client/FeatureClient.java

@@ -45,6 +45,6 @@ public class FeatureClient {
                     response.getResult().getMessage());
             return null;
         }
-        return response.getVideoFeature();
+        return response.hasVideoFeature() ? response.getVideoFeature() : null;
     }
 }