diff --git a/services/www/get_pwd.go b/services/www/get_pwd.go
index 7bb7cf4..b135f5b 100644
--- a/services/www/get_pwd.go
+++ b/services/www/get_pwd.go
@@ -8,7 +8,7 @@ import (
 type GetPwdRequest struct {
 	*requests.RpcRequest
 	UserName string `position:"Query" field:"user_name" default:"-" `
-	Uid      string `position:"Query" field:"uid" default:"-" `
+	Uid      int64  `position:"Query" field:"uid" default:"0"`
 }
 
 type GetPwdResponse struct {