diff --git a/tests/math/sin/test_operator_sin.cpp b/tests/math/sin/test_operator_sin.cpp
index 96852220cc6a173a1f591c5ba032a3f7d791d146..7cf13a3e30eff4b309dee1b95264cc51ec7dd3c8 100644
--- a/tests/math/sin/test_operator_sin.cpp
+++ b/tests/math/sin/test_operator_sin.cpp
@@ -9,7 +9,7 @@
  */
 #include <gtest/gtest.h>
 #include "kernel_operator.h"
-
+//
 using namespace std;
 using namespace AscendC;