解决句柄占用问题。

plugins/xiuren_image/meitu_dl.py

@@ -150,12 +150,11 @@ def download_image(img_url, folder_path, img_index, max_retries=3):
                 time.sleep(2 * (attempt + 1))
                 continue
 
-            img = Image.open(BytesIO(response.content)).convert('RGB')
-            img_name = f"{img_index:03d}.jpg"
-            img_path = os.path.join(folder_path, img_name)
-
-            img.save(img_path, 'JPEG', quality=95)
-            logger.info(f"已下载并转换为JPG: {img_path}")
+            with Image.open(BytesIO(response.content)).convert('RGB') as img:
+                img_name = f"{img_index:03d}.jpg"
+                img_path = os.path.join(folder_path, img_name)
+                img.save(img_path, 'JPEG', quality=95)
+                logger.info(f"已下载并转换为JPG: {img_path}")
             return True
             
         except Exception as e: