diff --git a/grpc.spec b/grpc.spec
index 0c2d4d9d3ed6bb553cd4671c42607d77cf4eebfd..d37c5f25772e1084e7aad1394f34f7f7f2557cda 100644
--- a/grpc.spec
+++ b/grpc.spec
@@ -146,7 +146,7 @@ cd ../..
 - SUG:NA
 - DESC:separate re2 from grpc source
 
-* 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