Update app.py

app.py

@@ -18,9 +18,16 @@ if not API_KEY:
     raise ValueError("请先在环境变量中设置 DASHSCOPE_API_KEY1")
 
 def upload_to_chevereto(image):
+    # 压缩图片：最大边不超过1024，JPEG质量85
+    max_size = (1024, 1024)
+    image = image.copy()
+    image.thumbnail(max_size)
     buffered = io.BytesIO()
     img_format = image.format if image.format in ["JPEG", "JPG", "PNG", "GIF", "BMP", "WEBP"] else "JPEG"
-    image.save(buffered, format=img_format)
+    save_kwargs = {}
+    if img_format in ["JPEG", "JPG"]:
+        save_kwargs["quality"] = 85
+    image.save(buffered, format=img_format, **save_kwargs)
     buffered.seek(0)
     files = {
         "source": buffered