diff --git a/src/ss/member/identity.rs b/src/ss/member/identity.rs
index 370ec70..61efa1b 100644
--- a/src/ss/member/identity.rs
+++ b/src/ss/member/identity.rs
@@ -7,10 +7,12 @@ pub const SUBJECT_SIGNIN: &str = const_format::concatcp!(SUBJECT, ".Signin");
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct SigninRequest {
   #[prost(string, tag = "1")]
-  pub username: ::prost::alloc::string::String,
+  pub site_url: ::prost::alloc::string::String,
   #[prost(string, tag = "2")]
-  pub password: ::prost::alloc::string::String,
+  pub username: ::prost::alloc::string::String,
   #[prost(string, tag = "3")]
+  pub password: ::prost::alloc::string::String,
+  #[prost(string, tag = "4")]
   pub security_code: ::prost::alloc::string::String,
 }
 #[derive(Clone, PartialEq, ::prost::Message)]