diff --git a/flutter/lib/common/hbbs/hbbs.dart b/flutter/lib/common/hbbs/hbbs.dart
index d1e44abc8..2ac72b3f8 100644
--- a/flutter/lib/common/hbbs/hbbs.dart
+++ b/flutter/lib/common/hbbs/hbbs.dart
@@ -101,13 +101,15 @@ class LoginRequest {
 
   Map<String, dynamic> toJson() {
     final Map<String, dynamic> data = <String, dynamic>{};
-    data['username'] = username ?? '';
-    data['password'] = password ?? '';
-    data['id'] = id ?? '';
-    data['uuid'] = uuid ?? '';
-    data['trustThisDevice'] = trustThisDevice ?? '';
-    data['type'] = type ?? '';
-    data['verificationCode'] = verificationCode ?? '';
+    if (username != null) data['username'] = username;
+    if (password != null) data['password'] = password;
+    if (id != null) data['id'] = id;
+    if (uuid != null) data['uuid'] = uuid;
+    if (trustThisDevice != null) data['trustThisDevice'] = trustThisDevice;
+    if (type != null) data['type'] = type;
+    if (verificationCode != null) {
+      data['verificationCode'] = verificationCode;
+    }
     data['deviceInfo'] = deviceInfo;
     return data;
   }
diff --git a/flutter/lib/models/user_model.dart b/flutter/lib/models/user_model.dart
index 4496af520..3f4773492 100644
--- a/flutter/lib/models/user_model.dart
+++ b/flutter/lib/models/user_model.dart
@@ -64,7 +64,7 @@ class UserModel {
     try {
       return json.decode(userInfo);
     } catch (e) {
-      debugPrint('Failed to get local user info "$userInfo": $e');
+      debugPrint('Failed to get local user info, json decode "$userInfo": $e');
     }
     return null;
   }
diff --git a/src/hbbs_http/account.rs b/src/hbbs_http/account.rs
index 116c0ad02..a2ef53029 100644
--- a/src/hbbs_http/account.rs
+++ b/src/hbbs_http/account.rs
@@ -4,7 +4,6 @@ use hbb_common::{
     log, ResultType,
 };
 use reqwest::blocking::Client;
-use serde::ser::SerializeStruct;
 use serde_derive::{Deserialize, Serialize};
 use serde_repr::{Deserialize_repr, Serialize_repr};
 use std::{
@@ -81,7 +80,7 @@ pub enum UserStatus {
     Unverified = -1,
 }
 
-#[derive(Debug, Clone, Deserialize)]
+#[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct UserPayload {
     pub name: String,
     pub email: Option<String>,
@@ -90,9 +89,6 @@ pub struct UserPayload {
     pub info: UserInfo,
     pub is_admin: bool,
     pub third_auth_type: Option<String>,
-    // helper field for serialize
-    #[serde(default)]
-    pub ser_store_local: bool,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -121,30 +117,6 @@ pub struct AuthResult {
     pub auth_body: Option<AuthBody>,
 }
 
-impl serde::Serialize for UserPayload {
-    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
-    where
-        S: serde::Serializer,
-    {
-        if self.ser_store_local {
-            let mut state = serializer.serialize_struct("UserPayload", 1)?;
-            state.serialize_field("name", &self.name)?;
-            state.serialize_field("status", &self.status)?;
-            state.end()
-        } else {
-            let mut state = serializer.serialize_struct("UserPayload", 7)?;
-            state.serialize_field("name", &self.name)?;
-            state.serialize_field("email", &self.email)?;
-            state.serialize_field("note", &self.note)?;
-            state.serialize_field("status", &self.status)?;
-            state.serialize_field("info", &self.info)?;
-            state.serialize_field("is_admin", &self.is_admin)?;
-            state.serialize_field("third_auth_type", &self.third_auth_type)?;
-            state.end()
-        }
-    }
-}
-
 impl OidcSession {
     fn new() -> Self {
         Self {
@@ -250,12 +222,10 @@ impl OidcSession {
                             "access_token".to_owned(),
                             auth_body.access_token.clone(),
                         );
-                        auth_body.user.ser_store_local = true;
                         LocalConfig::set_option(
                             "user_info".to_owned(),
-                            serde_json::to_string(&auth_body.user).unwrap_or_default(),
+                            serde_json::json!({ "name": auth_body.user.name, "status": auth_body.user.status }).to_string(),
                         );
-                        auth_body.user.ser_store_local = false;
                     }
                     OIDC_SESSION
                         .write()
diff --git a/src/ui_interface.rs b/src/ui_interface.rs
index 834a2a581..e298e1167 100644
--- a/src/ui_interface.rs
+++ b/src/ui_interface.rs
@@ -822,11 +822,7 @@ pub fn account_auth_cancel() {
 
 #[cfg(feature = "flutter")]
 pub fn account_auth_result() -> String {
-    let mut auth_result = account::OidcSession::get_result();
-    if let Some(auth) = auth_result.auth_body.as_mut() {
-        auth.user.ser_store_local = false;
-    }
-    serde_json::to_string(&auth_result).unwrap_or_default()
+    serde_json::to_string(&account::OidcSession::get_result()).unwrap_or_default()
 }
 
 #[cfg(feature = "flutter")]