更新

app/Http/Controllers/Api/AuthorizationsController.php

@@ -372,6 +372,9 @@ class AuthorizationsController extends Controller
      */
     public function logout()
     {
+        $user = auth('api')->user();
+        $user->online = 0;
+        $user->save();
         auth('api')->logout();
 
         return response()->json(['message' => '退出成功！']);