diff --git a/grpc.spec b/grpc.spec
index f87d8843c1feff294ebf4a0a0cad870d4e7c6ccd..d4db4a17d6eadc0a1119588c5b802bc366524b62 100644
--- a/grpc.spec
+++ b/grpc.spec
@@ -140,7 +140,7 @@ 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