diff --git a/CloudDriveShell.LoginView/Resources/logo.png b/CloudDriveShell.LoginView/Resources/logo.png
index c7450a2..c81224a 100644
Binary files a/CloudDriveShell.LoginView/Resources/logo.png and b/CloudDriveShell.LoginView/Resources/logo.png differ
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..b09ac48
--- /dev/null
+++ b/README.md
@@ -0,0 +1,8 @@
+WebDav 云盘客户端 
+===========
+
+基于 WPF Prism 6.2.0 实现 
+
+实现了完整的 WebDav 操作（HTTP + HTTPS），包括对于大文件的上传与下载
+
+没有WebDav环境的，可以连接 dav.box.com 服务进行尝试
\ No newline at end of file