diff --git a/pkg/appsrv/dispatcher/handlers.go b/pkg/appsrv/dispatcher/handlers.go
index 3a6962e4dd..031c7cf069 100644
--- a/pkg/appsrv/dispatcher/handlers.go
+++ b/pkg/appsrv/dispatcher/handlers.go
@@ -20,8 +20,8 @@ import (
 
 	"yunion.io/x/jsonutils"
 
-	"yunion.io/x/onecloud/pkg/mcclient/modulebase"
 	"yunion.io/x/onecloud/pkg/appsrv"
+	"yunion.io/x/onecloud/pkg/mcclient/modulebase"
 )
 
 type IMiddlewareFilter interface {
diff --git a/pkg/keystone/driver/cas/doc.go b/pkg/keystone/driver/cas/doc.go
new file mode 100644
index 0000000000..719f52f5b2
--- /dev/null
+++ b/pkg/keystone/driver/cas/doc.go
@@ -0,0 +1 @@
+package cas // import "yunion.io/x/onecloud/pkg/keystone/driver/cas"