send：禁用延迟发送。

client/client.cpp

@@ -658,7 +658,7 @@ void CClient::send_file_data_th(const char* keys)
             logger_->error("Stop Trans {} To {} failed.", t->cur_file_, str_key);
             return;
         }
-        std::this_thread::sleep_for(std::chrono::milliseconds(10));
+        //std::this_thread::sleep_for(std::chrono::milliseconds(10));
     }
 
     buf->type_ = TYPE_TRANS_DONE;