message ModuleMeta {
  required string name = 1;
  required string pack_path = 2;
  required string target_path = 3;
  optional string start_cmd = 4;
  optional string stop_cmd = 5;
  optional string status_cmd = 6;
  optional string clean_cmd = 7;
  optional bool migrate_run = 8;
  optional string download_mod = 9;
  optional string download_param = 10;
  optional bool invoke_flag = 11 [default = false];
  optional uint64 export_time = 12;
}