diff --git a/app/Helpers/ArticleHelper.php b/app/Helpers/ArticleHelper.php
index 8a29fd6..7ddad1d 100644
--- a/app/Helpers/ArticleHelper.php
+++ b/app/Helpers/ArticleHelper.php
@@ -7,6 +7,13 @@ class ArticleHelper
 {
     public static function saveImagesFromArticle(string $html, string $savePath = '/www/wwwroot/uploads/', string $srcPrefix = '/uploads/')
     {
+        if (!$savePath) {
+            $savePath = env('UPLOAD_ROOT', '');
+            if (!$savePath) {
+                throw new \Exception('找不到存储图片的路径信息。');
+            }
+        }
+
         // 创建保存图片的目录，如果没有的话
         if (!file_exists($savePath)) {
             mkdir($savePath, 0777, true);