diff --git a/yarn.lock b/yarn.lock
index 6b9e43c..518b29c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -803,14 +803,6 @@ cli-cursor@^2.0.0:
   dependencies:
     restore-cursor "^2.0.0"
 
-clipboard@^2.0.0:
-  version "2.0.4"
-  resolved "http://registry.npm.taobao.org/clipboard/download/clipboard-2.0.4.tgz#836dafd66cf0fea5d71ce5d5b0bf6e958009112d"
-  dependencies:
-    good-listener "^1.2.2"
-    select "^1.1.2"
-    tiny-emitter "^2.0.0"
-
 clipboardy@^1.2.2:
   version "1.2.3"
   resolved "http://registry.npm.taobao.org/clipboardy/download/clipboardy-1.2.3.tgz#0526361bf78724c1f20be248d428e365433c07ef"
@@ -1296,10 +1288,6 @@ defined@^1.0.0:
   version "1.0.0"
   resolved "http://registry.npm.taobao.org/defined/download/defined-1.0.0.tgz#c98d9bcef75674188e110969151199e39b1fa693"
 
-delegate@^3.1.2:
-  version "3.2.0"
-  resolved "http://registry.npm.taobao.org/delegate/download/delegate-3.2.0.tgz#b66b71c3158522e8ab5744f720d8ca0c2af59166"
-
 delegates@^1.0.0:
   version "1.0.0"
   resolved "http://registry.npm.taobao.org/delegates/download/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
@@ -1868,12 +1856,6 @@ globby@^8.0.1:
     pify "^3.0.0"
     slash "^1.0.0"
 
-good-listener@^1.2.2:
-  version "1.2.2"
-  resolved "http://registry.npm.taobao.org/good-listener/download/good-listener-1.2.2.tgz#d53b30cdf9313dffb7dc9a0d477096aa6d145c50"
-  dependencies:
-    delegate "^3.1.2"
-
 got@^6.7.1:
   version "6.7.1"
   resolved "http://registry.npm.taobao.org/got/download/got-6.7.1.tgz#240cd05785a9a18e561dc1b44b41c763ef1e8db0"
@@ -3742,10 +3724,8 @@ pretty-time@^1.1.0:
   resolved "http://registry.npm.taobao.org/pretty-time/download/pretty-time-1.1.0.tgz#ffb7429afabb8535c346a34e41873adf3d74dd0e"
 
 prismjs@^1.13.0:
-  version "1.16.0"
-  resolved "http://registry.npm.taobao.org/prismjs/download/prismjs-1.16.0.tgz#406eb2c8aacb0f5f0f1167930cb83835d10a4308"
-  optionalDependencies:
-    clipboard "^2.0.0"
+  version "1.27.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.27.0.tgz#bb6ee3138a0b438a3653dd4d6ce0cc6510a45057"
 
 process-nextick-args@~2.0.0:
   version "2.0.0"
@@ -4130,10 +4110,6 @@ schema-utils@^1.0.0:
     ajv-errors "^1.0.0"
     ajv-keywords "^3.1.0"
 
-select@^1.1.2:
-  version "1.1.2"
-  resolved "http://registry.npm.taobao.org/select/download/select-1.1.2.tgz#0e7350acdec80b1108528786ec1d4418d11b396d"
-
 semver-diff@^2.0.0:
   version "2.1.0"
   resolved "http://registry.npm.taobao.org/semver-diff/download/semver-diff-2.1.0.tgz#4bbb8437c8d37e4b0cf1a68fd726ec6d645d6d36"
@@ -4600,10 +4576,6 @@ timers-browserify@^2.0.4:
   dependencies:
     setimmediate "^1.0.4"
 
-tiny-emitter@^2.0.0:
-  version "2.1.0"
-  resolved "http://registry.npm.taobao.org/tiny-emitter/download/tiny-emitter-2.1.0.tgz#1d1a56edfc51c43e863cbb5382a72330e3555423"
-
 to-arraybuffer@^1.0.0:
   version "1.0.1"
   resolved "http://registry.npm.taobao.org/to-arraybuffer/download/to-arraybuffer-1.0.1.tgz#7d229b1fcc637e466ca081180836a7aabff83f43"