diff --git a/test/unittest/datatransmitmgr/DevSLMgrTest.cpp b/test/unittest/datatransmitmgr/DevSLMgrTest.cpp
index 2e5fd646dbf9ad1b255b3eb286d84d2d19734254..918fb5df22610716d7caafa14d20c8129b466052 100644
--- a/test/unittest/datatransmitmgr/DevSLMgrTest.cpp
+++ b/test/unittest/datatransmitmgr/DevSLMgrTest.cpp
@@ -14,8 +14,8 @@
  */
 
 #include <iostream>
-#include <mutex>
 #include <thread>
+#include <mutex>
 #include <condition_variable>
 #include "gtest/gtest.h"
 #include "file_ex.h"