str rov model

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

@@ -61,9 +61,10 @@ public class ModelService {
                             this.getClass().getSimpleName(), e));
                 }
             } else {
-                return ScoreResponse.newBuilder()
-                        .setResult(Result.newBuilder().setCode(1))
-                        .build();
+                userFeatureMap = new HashMap<>();
+//                return ScoreResponse.newBuilder()
+//                        .setResult(Result.newBuilder().setCode(1))
+//                        .build();
             }
         }
         final Set<String> userFeatureSet = new HashSet<>(Arrays.asList(