| diff --git a/LICENSE b/LICENSE | 
 | index ea5b6064..5436c289 100644 | 
 | --- a/LICENSE | 
 | +++ b/LICENSE | 
 | @@ -1 +1,21 @@ | 
 | -../LICENSE | 
 | \ No newline at end of file | 
 | +MIT License | 
 | + | 
 | +Copyright (c) 2019-2021 Hao Hou <haohou302@gmail.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. |