更新

app/Http/Controllers/Api/TestController.php

@@ -117,7 +117,7 @@ class TestController
             $url = "https://zhengda.oss-cn-chengdu.aliyuncs.com/chengluApp/01b28f06-6d45-4e65-a6b7-b96d00f463053878084743848124214.jpg";
 
             $url2 = str_replace($head,"",$url);
-            dd($url2);
+            dd($head,$url2);
             $res = $disk->exists($url2);
         }catch (\Exception $exception){
             dd($exception);