oss修正使用例子

src/UploadOss/Example/UploadExample.php

@@ -71,11 +71,11 @@ class UploadExample extends AbstractController
      */
     public function file()
     {
-        $image = $this->request->file('file');
+        $file = $this->request->file('file');
         $userId = Auth::id()??0;
         $module = OssEnum::PRODUCT_CHILD;
         if (!$file) {
-            throw new HttpResponseException('请上传图片');
+            throw new HttpResponseException('请上传文件');
         }
         /**
          * UploadedFile $file