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app/Http/Middleware/EnableCrossRequestMiddleware.php

@@ -15,11 +15,14 @@ class EnableCrossRequestMiddleware{
             'http://test.com',//允许访问
         ];
 //        if (in_array($origin, $allow_origin)) {
-        $response->header('Access-Control-Allow-Origin', '*');
-        $response->header('Access-Control-Allow-Headers', 'Origin, Content-Type, Cookie, X-CSRF-TOKEN, Accept, Authorization, accessToken, X-XSRF-TOKEN');
-        $response->header('Access-Control-Expose-Headers', 'Authorization, authenticated');
-        $response->header('Access-Control-Allow-Methods', 'GET, POST, PATCH, PUT, OPTIONS');
-        $response->header('Access-Control-Allow-Credentials', 'true');
+        if($response){
+            $response->header('Access-Control-Allow-Origin', '*');
+            $response->header('Access-Control-Allow-Headers', 'Origin, Content-Type, Cookie, X-CSRF-TOKEN, Accept, Authorization, accessToken, X-XSRF-TOKEN');
+            $response->header('Access-Control-Expose-Headers', 'Authorization, authenticated');
+            $response->header('Access-Control-Allow-Methods', 'GET, POST, PATCH, PUT, OPTIONS');
+            $response->header('Access-Control-Allow-Credentials', 'true');
+        }
+
 //        }
         return $response;
     }