diff --git a/ge/engine_manager/dnnengine_manager.h b/ge/engine_manager/dnnengine_manager.h
index c3ae5b95..ef23bb86 100755
--- a/ge/engine_manager/dnnengine_manager.h
+++ b/ge/engine_manager/dnnengine_manager.h
@@ -17,6 +17,8 @@
 #ifndef GE_ENGINE_MANAGER_DNNENGINE_MANAGER_H_
 #define GE_ENGINE_MANAGER_DNNENGINE_MANAGER_H_
 
+
+
 #include <map>
 #include <memory>
 #include <string>