Edit D:\xinhaisoft\crisis_new\api\node_modules\@koa\cors\History.md

3.1.0 / 2020-05-17
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**features**
  * [[`013662a`](http://github.com/koajs/cors/commit/013662ae1ab65c4af230c17dfa1044609502b15b)] - feat: add support for using a function to determine whether or not to allow credentials. (#68) (mcohen75 <<mcohen75@gmail.com>>)

**others**
  * [[`da84dec`](http://github.com/koajs/cors/commit/da84dec7fa16af95d157a549bd473e7bfa4aa152)] - docs: update install script (dead-horse <<dead_horse@qq.com>>)
  * [[`eba3b44`](http://github.com/koajs/cors/commit/eba3b446055bd14b86d19dfc81d8ed5f83a8a534)] - chore: ES6 Object spread (#66) (Alpha <<AlphaWong@users.noreply.github.com>>)

3.0.0 / 2019-03-11
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**others**
  * [[`369d31d`](http://github.com/koajs/cors/commit/369d31db7835ed344011706f9506d45a44638017)] - refactor: use async function, support options.origin return promise (#59) (Yiyu He <<dead_horse@qq.com>>)

2.2.3 / 2018-12-19
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**fixes**
  * [[`12ae730`](http://github.com/koajs/cors/commit/12ae7306e8055322e6c5d29319330da52ba0e126)] - fix: set `Vary: Origin` header on error responses (#55) (Erik Fried <<erik.fried@aftonbladet.se>>)

2.2.2 / 2018-07-11
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**others**
  * [[`019ec40`](http://github.com/koajs/cors/commit/019ec403be573177e8ed6ad3ef4077b82b5ea934)] - travis: test node@10 and drop test node@4 (#51) (fengmk2 <<fengmk2@gmail.com>>)
  * [[`6e22833`](http://github.com/koajs/cors/commit/6e22833ce125ca334b68980372065867eda892b0)] - doc: update outdated options doc (Xingan Wang <<wangxgwxg@gmail.com>>)
  * [[`c982530`](http://github.com/koajs/cors/commit/c9825308ce1c76810468bdf5a404b838206fba22)] - travis: test node@8 (jongleberry <<me@jongleberry.com>>)
  * [[`b4f65b3`](http://github.com/koajs/cors/commit/b4f65b39b558b870521e6613aee58898e88196f9)] - npm: remove  tag (jongleberry <<me@jongleberry.com>>)
  * [[`878ae9b`](http://github.com/koajs/cors/commit/878ae9b0c99fb6da8d3840e502d4968a65089e28)] - package: rename to @koa/cors (jongleberry <<me@jongleberry.com>>)

2.2.1 / 2017-02-12
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* fix: always set "Vary: Origin" header (#31)

2.2.0 / 2016-09-26
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* feat: add PATCH to default methods

2.1.1 / 2016-05-14
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* fix: keepHeadersOnError won't affect OPTIONS request (#17)

2.1.0 / 2016-04-29
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* feat: Keep headers after an error (#13)
  * chore: use eslint instead of jshint (#10)
  * test: use codecov instead of coveralls

2.0.0 / 2016-02-20
==================

* chore: make node engines >= 4.3.1
  * doc: update example
  * test: only test on node 4+
  * refactor: src,test: update to (ctx, next) -> Promise middleware contract
  * chore: base on koa@2

1.0.1 / 2015-02-11
==================

* fix: make more spec-compliant

1.0.0 / 2015-02-09
==================

* first release

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