diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000000000000000000000000000000000000..c573a4e9d6ceb24db523325419cb825ec7ccf43d
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2021-2031, 河北计全科技有限公司 (https://www.jeequan.com & jeequan@126.com).
+
+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.
\ No newline at end of file
diff --git a/README.md b/README.md
index 9539623fd24de517bf6b8d8c660b8c40c6758c9f..f1950046ac9f589b3c3367fb1172334bede82146 100644
--- a/README.md
+++ b/README.md
@@ -14,10 +14,10 @@
   </dependency>
 ```
 
-参考测试类实现
+客户端调用代码可参考测试类代码 `com.jeequan.jeepay.PayOrderTest`
 
 ```java
- package com.jeequan.jeepay;
+package com.jeequan.jeepay;
 
 import com.alibaba.fastjson.JSONObject;
 import com.jeequan.jeepay.exception.JeepayException;