fixed some bugs

ios/OralTrainer/Views/AuthView.swift

@@ -6,15 +6,20 @@ import SwiftUI
 final class AuthManager: ObservableObject {
     @Published var token: String
     @Published var nickname: String
+    @Published var userID: String
     @Published var showingRegister = false
     @Published var showingSSO = false
     @Published var showingPhoneBinding = false
     @Published var ssoPendingToken: String?
+    @Published var ssoPendingUserId = ""
 
     init() {
         let defaults = UserDefaults.standard
         token = defaults.string(forKey: "oral_trainer_token") ?? ""
         nickname = defaults.string(forKey: "oral_trainer_nickname") ?? ""
+        let userID = defaults.string(forKey: "oral_trainer_user_id") ?? ""
+        AppConfig.currentUserId = userID
+        self.userID = userID
         AppConfig.authToken = token
     }
 
@@ -24,22 +29,29 @@ final class AuthManager: ObservableObject {
         token = session.token
         nickname = session.user.nickname
         AppConfig.authToken = session.token
+        userID = session.user.id
+        AppConfig.currentUserId = session.user.id
         let defaults = UserDefaults.standard
         defaults.set(session.token, forKey: "oral_trainer_token")
         defaults.set(session.user.nickname, forKey: "oral_trainer_nickname")
+        defaults.set(session.user.id, forKey: "oral_trainer_user_id")
     }
 
     func logout() {
         token = ""
         nickname = ""
         AppConfig.authToken = ""
+        userID = ""
+        AppConfig.currentUserId = ""
         showingRegister = false
         showingSSO = false
         showingPhoneBinding = false
         ssoPendingToken = nil
+        ssoPendingUserId = ""
         let defaults = UserDefaults.standard
         defaults.removeObject(forKey: "oral_trainer_token")
         defaults.removeObject(forKey: "oral_trainer_nickname")
+        defaults.removeObject(forKey: "oral_trainer_user_id")
     }
 }
 
@@ -357,6 +369,7 @@ struct SSOWebView: View {
                 dismiss()
                 if !result.phoneBound {
                     auth.ssoPendingToken = result.token
+                    auth.ssoPendingUserId = result.user.id
                     auth.showingPhoneBinding = true
                 } else {
                     auth.saveSession(AuthSession(token: result.token, user: result.user))
@@ -499,7 +512,13 @@ struct PhoneBindingView: View {
             try await AuthAPI.ssoBindPhone(token: token, phone: cleaned)
             auth.showingPhoneBinding = false
             auth.ssoPendingToken = nil
-            auth.saveSession(AuthSession(token: token, user: AuthUser(id: "", username: "", nickname: "")))
+            let userID = auth.ssoPendingUserId
+            auth.saveSession(
+                AuthSession(
+                    token: token,
+                    user: AuthUser(id: userID, username: "", nickname: "")
+                )
+            )
             dismiss()
             onLoginSuccess()
         } catch {