fix(lite/load_and_run): fix load and run read mgv2 model invalid

GitOrigin-RevId: de53ff42f31e4e0e70925390eccc0a96c47972dc

lite/load_and_run/src/models/model.cpp

@@ -16,12 +16,14 @@ ModelType ModelBase::get_model_type(std::string model_path) {
 
     // get model type
     std::string tag(buf);
+    std::string tagv2(&buf[8]);
     ModelType type;
     if (tag.substr(0, 7) == std::string("mgb0001") ||
         tag.substr(0, 8) == std::string("mgb0000a") ||
         tag.substr(0, 4) == std::string("MGBS") ||
         tag.substr(0, 4) == std::string("MGBC") ||
-        tag.substr(0, 8) == std::string("mgbtest0")) {
+        tag.substr(0, 8) == std::string("mgbtest0") ||
+        tagv2.substr(0, 4) == std::string("mgv2")) {
         type = ModelType::MEGDL_MODEL;
 
     } else {