diff --git a/timer/main.go b/timer/main.go
index 507542f20e22ea643205a1b830039fa665705dfc..eed08093930f98155ebf217d2262f8d62ac455c9 100644
--- a/timer/main.go
+++ b/timer/main.go
@@ -3,7 +3,7 @@ package main
 //go:generate go env -w GO111MODULE=on
 //go:generate go env -w GOPROXY=https://goproxy.cn,direct
 //go:generate go mod tidy
-//go:generate go mod downloa
+//go:generate go mod download
 
 import (
 	"fmt"