diff --git a/app/Http/Controllers/Api/DialogController.php b/app/Http/Controllers/Api/DialogController.php
index 586f91673..9c59ef6a9 100755
--- a/app/Http/Controllers/Api/DialogController.php
+++ b/app/Http/Controllers/Api/DialogController.php
@@ -728,7 +728,7 @@ class DialogController extends AbstractController
         $markdown = in_array($text_type, ['md', 'markdown']);
         // 
         $result = [];
-        $dialogIds = $dialog_ids ? explode(',', $dialog_ids) : [$dialog_id];
+        $dialogIds = $dialog_ids ? explode(',', $dialog_ids) : [$dialog_id ?: 0];
         foreach($dialogIds as $dialog_id) {
             //
             WebSocketDialog::checkDialog($dialog_id);
diff --git a/app/Models/WebSocketDialogMsg.php b/app/Models/WebSocketDialogMsg.php
index 51a90eea8..0ee8dd69e 100644
--- a/app/Models/WebSocketDialogMsg.php
+++ b/app/Models/WebSocketDialogMsg.php
@@ -641,7 +641,7 @@ class WebSocketDialogMsg extends AbstractModel
         }
         // 其他网络图片
         $imageSaveLocal = Base::settingFind("system", "image_save_local");
-        preg_match_all("/<img[^>]*?src=([\"'])(.*?\.(png|jpg|jpeg|webp|gif))\\1[^>]*?>/is", $text, $matchs);
+        preg_match_all("/<img[^>]*?src=([\"'])(.*?(png|jpg|jpeg|webp|gif).*?)\\1[^>]*?>/is", $text, $matchs);
         foreach ($matchs[2] as $key => $str) {
             if ($imageSaveLocal === 'close') {
                 $imageSize = getimagesize($str);