keep blank for english asr result (#623)

zhaomingwork

2023-06-13 4a33f08defa92ac6c9c757dbde06d29d183bf203

 funasr/runtime/grpc/paraformer-server.h

@@ -15,7 +15,7 @@
#include <chrono>

#include "paraformer.grpc.pb.h"
#include "libfunasrapi.h"
#include "funasrruntime.h"


using grpc::Server;