diff --git a/migrate.go b/migrate.go
index 610d895..6b5584c 100644
--- a/migrate.go
+++ b/migrate.go
@@ -312,6 +312,7 @@ const (
 
 import(
 	"os"
+	
 	"github.com/astaxie/beego/orm"
 	"github.com/astaxie/beego/migration"