diff --git a/HTTPS相关教程.md b/HTTPS相关教程.md
index 3d6361e..afbe62c 100644
--- a/HTTPS相关教程.md
+++ b/HTTPS相关教程.md
@@ -21,7 +21,7 @@ AnyProxy解析HTTPS的原理是自制根证书（rootCA），待终端信任这
     * Windows
 ![https://t.alipayobjects.com/tfscom/T1D3hfXeFtXXXXXXXX.jpg_700x.jpg](https://t.alipayobjects.com/tfscom/T1D3hfXeFtXXXXXXXX.jpg_700x.jpg)
     * Mac
-![https://t.alipayobjects.com/tfscom/T1NwFfXn0oXXXXXXXX.jpg_700x.jpg](https://t.alipayobjects.com/tfscom/T1NwFfXn0oXXXXXXXX.jpg_700x.jpg)
+![https://t.alipayobjects.com/tfscom/T1NwFfXn0oXXXXXXXX.jpg_400x.jpg](https://t.alipayobjects.com/tfscom/T1NwFfXn0oXXXXXXXX.jpg_400x.jpg)
 * 其他
     * 如果在访问时出现UNAUTHORIZED_CERTIFICATE一类的安全警告，请重新检查证书的安装情况
     * 证书只需生成一次，使用前每个终端都需要信任它