diff --git a/README.md b/README.md
index 9d54cf0..a800419 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@
 
 [KimigaiiWuyi/GenshinUID](https://github.com/KimigaiiWuyi/GenshinUID) 的核心部分，平台无关，支持 HTTP/WS 形式调用，便于移植到其他平台以及框架。
 
-**🎉[详细文档](https://docs.gsuid.gbots.work/#/)**
+**🎉[详细文档](https://docs.sayu-bot.com)**
 
 ## 安装Core
 
diff --git a/gsuid_core/utils/image/convert.py b/gsuid_core/utils/image/convert.py
index 4c9f9ab..124a503 100644
--- a/gsuid_core/utils/image/convert.py
+++ b/gsuid_core/utils/image/convert.py
@@ -45,7 +45,7 @@ async def convert_img(
     if isinstance(img, Image.Image):
         img = img.convert('RGB')
         result_buffer = BytesIO()
-        img.save(result_buffer, format='JPEG', quality=85)
+        img.save(result_buffer, format='JPEG', quality=90)
         res = result_buffer.getvalue()
         if is_base64:
             res = 'base64://' + b64encode(res).decode()