diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..00ed4a9
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,22 @@
+
+MIT License
+
+Copyright (c) 2020 mack-a
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/README.md b/README.md
index ad31cb8..57ab06d 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 - [优化方案【CDN自选IP、断流优化】](https://github.com/mack-a/v2ray-agent/blob/master/optimize_V2Ray.md)
 - [流量中转教程 wikihost](#流量转发服务)
 - [自建教程](#自建教程)可以快速入手并知晓其中的步骤。如遇到不懂以及不理解的可以加入[TG群讨论](https://t.me/technologyshare)。
-- [免费订阅链接【86.27 GB of 2 TB Used 2020-8-12】](https://github.com/mack-a/v2ray-agent/blob/master/free_account.md)。
+- [免费订阅链接【878.12 GB of 2 TB Used 2020-8-17】](https://github.com/mack-a/v2ray-agent/blob/master/free_account.md)。
 - [建议安装脚本前先安装适合自己的BBR](https://github.com/mack-a/v2ray-agent/blob/master/bbr.md)
 - 以上有问题可以提issues或者可以加入[TG群](https://t.me/technologyshare)反馈。
 - [博客地址](https://blog.v2ray-agent.com/)
diff --git a/optimize_V2Ray.md b/optimize_V2Ray.md
index 054e91a..43974d1 100644
--- a/optimize_V2Ray.md
+++ b/optimize_V2Ray.md
@@ -390,4 +390,4 @@ mobile.xxx.com. 0	IN	A	198.41.214.162
 - URL Path Value填写翻墙的path
 - action则为Allow
 
-<img src="https://raw.githubusercontent.com/mack-a/v2ray-agent/master/fodder/firewall_settings.png" width=400>
+<img src="https://raw.githubusercontent.com/mack-a/v2ray-agent/master/fodder/firewall_rules.png" width=400>