fix. line cancel redirect

app/Http/Controllers/LoginController.php

@@ -42,12 +42,22 @@ public function redirectToProvider(Request $request)
      */
     public function handleProviderCallback(Request $request)
     {
-
-        // 从 Session 获取 $redirectTo
+        // 如果用户取消了授权
+        if ($request->has('error') && $request->get('error') === 'access_denied') {
             $redirectTo = session('redirect_to', 'member');
 
+            if ($redirectTo === 'admin') {
+                return redirect()->route('admin.login')->with('error', '您已取消 LINE 授权');
+            } else {
+                return redirect()->route('login')->with('error', '您已取消 LINE 授权');
+            }
+        }
+
+        try {
+            // 获取 LINE 用户信息
             $user = Socialite::driver('line')->user();
             Log::info('line', ['user' => $user]);
+
             $lineId = $user->getId();
             $name = $user->getName();
             $avatar = $user->getAvatar() ?? '';
@@ -55,9 +65,12 @@ public function handleProviderCallback(Request $request)
 
             Log::info('email', [$email]);
 
-        if ($redirectTo == 'admin') {
+            // 从 Session 获取跳转路径
+            $redirectTo = session('redirect_to', 'member');
+
+            if ($redirectTo === 'admin') {
                 // Admin 登录逻辑
-            $existingUser = $user = User::where('line_id', $lineId)
+                $existingUser = User::where('line_id', $lineId)
                     ->orWhere('email', $email)
                     ->first();
 
@@ -94,7 +107,6 @@ public function handleProviderCallback(Request $request)
                         'password' => bcrypt(env('DEFAULT_PASSWORD')),
                         'source' => 'cafeg',
                         'avatar' => $avatar,
-
                         'email' => $email,
                     ]);
                     Auth::guard('member')->login($newUser);
@@ -105,7 +117,14 @@ public function handleProviderCallback(Request $request)
                     ? redirect()->route('member.index')
                     : redirect()->route('member.profile');
             }
+        } catch (\Exception $e) {
+            Log::error('LINE 登录失败: ' . $e->getMessage());
+
+            // 发生异常时，返回登录页面并提示错误
+            return redirect()->route('login')->with('error', 'LINE 登录失败，请稍后再试');
         }
+    }
+
 
     public function adminLogout()
     {