diff --git a/lite/tests/math/conv_compute_test.cc b/lite/tests/math/conv_compute_test.cc
index 3d73761625cb58ba5de33ab6ce3069818e2958dc..e71429d215de6af9ddc95b5359aea582bcc74fa5 100644
--- a/lite/tests/math/conv_compute_test.cc
+++ b/lite/tests/math/conv_compute_test.cc
@@ -357,7 +357,7 @@ TEST(TestConv3x3DW, test_conv3x3_depthwise) {
 #endif  /// 3x3dw
 
 // TODO(chenjiaoAngel): fix multi-case run error,
-// but only run one case, the result won't compute error
+// but only run one case, the result won't compute error.
 #if 0   /// 5x5dw
 TEST(TestConv5x5DW, test_conv5x5_depthwise) {
   if (FLAGS_basic_test) {