diff --git a/util/buildtime/build.go b/util/buildtime/build.go
index 9af843d..556b432 100644
--- a/util/buildtime/build.go
+++ b/util/buildtime/build.go
@@ -1,5 +1,12 @@
 package buildtime
 
+/*
+//查询buildtime包中的位置，在github.com/duanhf2012/origin/util/buildtime.BuildTime中
+go tool nm ./originserver.exe |grep buildtime
+
+//编译传入编译时间信息
+go build -ldflags "-X 'github.com/duanhf2012/origin/util/buildtime.BuildTime=20200101'"
+*/
 var BuildTime string