diff --git a/client/package.json b/client/package.json
index 4ff215c1..a7b2e4c1 100644
--- a/client/package.json
+++ b/client/package.json
@@ -16,7 +16,7 @@
     "jwt-decode": "^2.2.0",
     "lodash.isempty": "^4.4.0",
     "markdown-it": "^8.4.2",
-    "prismjs": "^1.15.0",
+    "prismjs": "^1.27.0",
     "react": "^16.6.0",
     "react-dom": "^16.6.0",
     "react-hot-loader": "^4.0.0-beta.21",
diff --git a/client/yarn.lock b/client/yarn.lock
index 19bd787c..7f06edd9 100644
--- a/client/yarn.lock
+++ b/client/yarn.lock
@@ -2113,15 +2113,6 @@ cli-width@^2.0.0:
   resolved "http://registry.npm.taobao.org/cli-width/download/cli-width-2.2.0.tgz#ff19ede8a9a5e579324147b0c11f0fbcbabed639"
   integrity sha1-/xnt6Kml5XkyQUewwR8PvLq+1jk=
 
-clipboard@^2.0.0:
-  version "2.0.4"
-  resolved "https://registry.yarnpkg.com/clipboard/-/clipboard-2.0.4.tgz#836dafd66cf0fea5d71ce5d5b0bf6e958009112d"
-  integrity sha512-Vw26VSLRpJfBofiVaFb/I8PVfdI1OxKcYShe6fm0sP/DtmiWQNCjhM/okTvdCo0G+lMMm1rMYbk4IK4x1X+kgQ==
-  dependencies:
-    good-listener "^1.2.2"
-    select "^1.1.2"
-    tiny-emitter "^2.0.0"
-
 clipboardy@1.2.3:
   version "1.2.3"
   resolved "http://registry.npm.taobao.org/clipboardy/download/clipboardy-1.2.3.tgz#0526361bf78724c1f20be248d428e365433c07ef"
@@ -2787,11 +2778,6 @@ del@^3.0.0:
     pify "^3.0.0"
     rimraf "^2.2.8"
 
-delegate@^3.1.2:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/delegate/-/delegate-3.2.0.tgz#b66b71c3158522e8ab5744f720d8ca0c2af59166"
-  integrity sha512-IofjkYBZaZivn0V8nnsMJGBr4jVLxHDheKSW88PyxS5QC4Vo9ZbZVvhzlSxY87fVq3STR6r+4cGepyHkcWOQSw==
-
 delegates@^1.0.0:
   version "1.0.0"
   resolved "http://registry.npm.taobao.org/delegates/download/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
@@ -4111,13 +4097,6 @@ globby@^6.1.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
-good-listener@^1.2.2:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/good-listener/-/good-listener-1.2.2.tgz#d53b30cdf9313dffb7dc9a0d477096aa6d145c50"
-  integrity sha1-1TswzfkxPf+33JoNR3CWqm0UXFA=
-  dependencies:
-    delegate "^3.1.2"
-
 got@^6.3.0, got@^6.7.1:
   version "6.7.1"
   resolved "http://registry.npm.taobao.org/got/download/got-6.7.1.tgz#240cd05785a9a18e561dc1b44b41c763ef1e8db0"
@@ -6819,12 +6798,10 @@ pretty-format@^3.5.1:
   resolved "http://registry.npm.taobao.org/pretty-format/download/pretty-format-3.8.0.tgz#bfbed56d5e9a776645f4b1ff7aa1a3ac4fa3c385"
   integrity sha1-v77VbV6ad2ZF9LH/eqGjrE+jw4U=
 
-prismjs@^1.15.0:
-  version "1.15.0"
-  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.15.0.tgz#8801d332e472091ba8def94976c8877ad60398d9"
-  integrity sha512-Lf2JrFYx8FanHrjoV5oL8YHCclLQgbJcVZR+gikGGMqz6ub5QVWDTM6YIwm3BuPxM/LOV+rKns3LssXNLIf+DA==
-  optionalDependencies:
-    clipboard "^2.0.0"
+prismjs@^1.27.0:
+  version "1.27.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.27.0.tgz#bb6ee3138a0b438a3653dd4d6ce0cc6510a45057"
+  integrity sha512-t13BGPUlFDR7wRB5kQDG4jjl7XeuH6jbJGt11JHPL96qwsEHNX2+68tFXqc1/k+/jALsbSWJKUOT/hcYAZ5LkA==
 
 private@^0.1.6, private@^0.1.8:
   version "0.1.8"
@@ -7746,11 +7723,6 @@ select-hose@^2.0.0:
   resolved "http://registry.npm.taobao.org/select-hose/download/select-hose-2.0.0.tgz#625d8658f865af43ec962bfc376a37359a4994ca"
   integrity sha1-Yl2GWPhlr0Psliv8N2o3NZpJlMo=
 
-select@^1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/select/-/select-1.1.2.tgz#0e7350acdec80b1108528786ec1d4418d11b396d"
-  integrity sha1-DnNQrN7ICxEIUoeG7B1EGNEbOW0=
-
 selfsigned@^1.9.1:
   version "1.10.3"
   resolved "http://registry.npm.taobao.org/selfsigned/download/selfsigned-1.10.3.tgz#d628ecf9e3735f84e8bafba936b3cf85bea43823"
@@ -8453,11 +8425,6 @@ timers-browserify@^2.0.4:
   dependencies:
     setimmediate "^1.0.4"
 
-tiny-emitter@^2.0.0:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/tiny-emitter/-/tiny-emitter-2.0.2.tgz#82d27468aca5ade8e5fd1e6d22b57dd43ebdfb7c"
-  integrity sha512-2NM0auVBGft5tee/OxP4PI3d8WItkDM+fPnaRAVo6xTDI2knbz9eC5ArWGqtGlYqiH3RU5yMpdyTTO7MguC4ow==
-
 tmp@^0.0.33:
   version "0.0.33"
   resolved "http://registry.npm.taobao.org/tmp/download/tmp-0.0.33.tgz#6d34335889768d21b2bcda0aa277ced3b1bfadf9"