diff --git a/grpc.spec b/grpc.spec
index 28aae8d1c92dfe7382e27a147dcab65683a2f2e7..90d2120bb99bac9f2577a918921fd6884e6d2b13 100644
--- a/grpc.spec
+++ b/grpc.spec
@@ -130,7 +130,7 @@ rm -rf %{buildroot}%{_prefix}/lib
 %{python3_sitearch}/grpcio-%{version}-py?.?.egg-info
 
 %changelog
-* Mon Aug 28 2020 liuxin <liuxin264@huawei.com> - 1.31.0-1
+* Fri Aug 28 2020 liuxin <liuxin264@huawei.com> - 1.31.0-1
 - Type:requirement
 - ID:NA
 - SUG:NA