fix

app/Services/AIGeneration/AIImageGenerationService.php

@@ -466,7 +466,7 @@ class AIImageGenerationService
                     $pic_name = 'ai_generation_gpt_' . time() . '_' . uniqid() . '.png';
                     
                     // 压缩PNG图片
-                    $compressedData = compressImageStreamToSize($imageStream);
+                    $compressedData = compressRemoteImageUrlToSize($imageStream);
                     $url = uploadStreamByTos('image', $compressedData, $pic_name);
                     
                     $result_urls[] = $url;