diff --git a/ge/graph/build/graph_builder.cc b/ge/graph/build/graph_builder.cc
index 27d0b13f..69eaa0a3 100644
--- a/ge/graph/build/graph_builder.cc
+++ b/ge/graph/build/graph_builder.cc
@@ -32,6 +32,7 @@
 
 using domi::BuildMode;
 
+
 namespace {
 const int32_t kInvalidPerfLevel = -1;
 }  // namespace