diff --git a/user.go b/user.go
index 9a6ca36..48e0144 100644
--- a/user.go
+++ b/user.go
@@ -11,7 +11,7 @@ func (this UserRuntime) Platform() string {
 }
 
 // 账号运行租户
-func (this UserRuntime) Saas() string {
+func (this UserRuntime) SaaS() string {
 	return this.saas
 }