diff --git a/services/source/transport/include/distributed_input_source_transport.h b/services/source/transport/include/distributed_input_source_transport.h
index 44f1eac..88bcba6 100644
--- a/services/source/transport/include/distributed_input_source_transport.h
+++ b/services/source/transport/include/distributed_input_source_transport.h
@@ -147,7 +147,7 @@ private:
     std::shared_ptr<DistributedInputSourceTransport::DInputTransbaseSourceListener> statuslistener_;
     std::string mySessionName_ = "";
     std::condition_variable openSessionWaitCond_;
-    uint64_t  deltaTime_ = 0;
+    uint64_t deltaTime_ = 0;
     uint64_t deltaTimeAll_ = 0;
     uint64_t sendTime_ = 0;
     uint32_t sendNum_ = 0;