diff --git a/grpc.spec b/grpc.spec
index 9dea29e41b9a284198021ee17764e36155fa6d68..c6b3b55e44f4ba97e318ca82b8c5823a768fa9a7 100644
--- a/grpc.spec
+++ b/grpc.spec
@@ -149,7 +149,7 @@ 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