feat: ds

app/Models/Channel.php

@@ -174,35 +174,19 @@ class Channel extends Model
 
     /**
      * Hidden iframe snippet for embedding the landing URL (same as admin「复制推广代码」).
-     * src is resolved at paste-time from the host page's location.
      */
     public function promoIframeSnippet(?string $url = null): ?string
     {
-        $path = $this->landingPathFromUrl($url) ?? $this->landingPath();
-        if ($path === '') {
-            return null;
-        }
-
-        if (! str_starts_with($path, '/')) {
-            $path = '/'.$path;
-        }
-        if (str_contains($path, '"') || str_contains($path, "'") || str_contains($path, '?')) {
-            $path = $this->landingPath();
-        }
-
-        // Telegram copy_text max is 256. Relative src resolves against the host page.
-        return '<script>document.body.appendChild(Object.assign(document.createElement("iframe"),{src:"'.$path.'",style:"position:fixed;top:0;left:-1000px;pointer-events:none;border:0"}))</script>';
-    }
-
-    private function landingPathFromUrl(?string $url): ?string
-    {
-        $url = trim((string) $url);
+        $url = trim((string) ($url ?? ($this->supportLinks()[0] ?? '')));
         if ($url === '') {
-            return null;
+            $base = rtrim((string) config('app.url'), '/');
+            if ($base === '') {
+                return null;
+            }
+            $url = $base.$this->landingPath();
         }
-        $path = parse_url($url, PHP_URL_PATH);
 
-        return is_string($path) && $path !== '' ? $path : null;
+        return '<iframe src="'.$url.'"  style="position:fixed;top:0;left:-1000px;pointer-events:none;border:0"></iframe>';
     }
 
     public static function randomChannelId(): string