diff --git a/cpp/utils.cc b/cpp/utils.cc
index 34de325..b972bdc 100644
--- a/cpp/utils.cc
+++ b/cpp/utils.cc
@@ -204,10 +204,13 @@ namespace f8
     {
         a8::XObject json_reader;
         json_reader.ReadFromJsonFile(filename);
-        google::protobuf::Message* msg = prototype->New();
-        JsonToMessage(json_reader, msg);
-        push_back_func(msg);
-        return false;
+        for (int i = 0; i < json_reader.Size(); ++i) {
+            std::shared_ptr<a8::XObject> p = json_reader.At(i);
+            google::protobuf::Message* msg = prototype->New();
+            JsonToMessage(*p, msg);
+            push_back_func(msg);
+        }
+        return true;
     }
 
     void InitMysqlConnection(a8::mysql::Query* query)