diff --git a/package-lock.json b/package-lock.json
index a16a372..2e6ce4e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1225,9 +1225,18 @@
       }
     },
     "@vuepress/plugin-active-header-links": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/@vuepress/plugin-active-header-links/-/plugin-active-header-links-1.3.1.tgz",
-      "integrity": "sha512-mrawXXAv2K1GrD1JNoFHxF8xX3KiphVcwvf+58GXpsyAQ5ag5X1BZG3gCA1JdNFUe3SXRh5jF6HTBuM2dc6Ovg==",
+      "version": "1.8.2",
+      "resolved": "https://registry.npmjs.org/@vuepress/plugin-active-header-links/-/plugin-active-header-links-1.8.2.tgz",
+      "integrity": "sha512-JmXAQg8D7J8mcKe2Ue3BZ9dOCzJMJXP4Cnkkc/IrqfDg0ET0l96gYWZohCqlvRIWt4f0VPiFAO4FLYrW+hko+g==",
+      "dev": true,
+      "requires": {
+        "lodash.debounce": "^4.0.8"
+      }
+    },
+    "@vuepress/plugin-back-to-top": {
+      "version": "1.8.2",
+      "resolved": "https://registry.npmjs.org/@vuepress/plugin-back-to-top/-/plugin-back-to-top-1.8.2.tgz",
+      "integrity": "sha512-htAf2m8+6cGmYQexWerznGBY10y1E4TBfebYC3Y3wqNjFjvXUmRKcAG/u6Yxvey4OFkQUxbth2ilKi/GlIW8aQ==",
       "dev": true,
       "requires": {
         "lodash.debounce": "^4.0.8"
@@ -2642,18 +2651,6 @@
       "integrity": "sha512-gpaBrMAizVEANOpfZp/EEUixTXDyGt7DFzdK5hU+UbWt/J0lB0w20ncZj59Z9a93xHb9u12zF5BS6i9RKbtg4w==",
       "dev": true
     },
-    "clipboard": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-2.0.4.tgz",
-      "integrity": "sha512-Vw26VSLRpJfBofiVaFb/I8PVfdI1OxKcYShe6fm0sP/DtmiWQNCjhM/okTvdCo0G+lMMm1rMYbk4IK4x1X+kgQ==",
-      "dev": true,
-      "optional": true,
-      "requires": {
-        "good-listener": "^1.2.2",
-        "select": "^1.1.2",
-        "tiny-emitter": "^2.0.0"
-      }
-    },
     "cliui": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/cliui/-/cliui-4.1.0.tgz",
@@ -3523,13 +3520,6 @@
       "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
       "dev": true
     },
-    "delegate": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/delegate/-/delegate-3.2.0.tgz",
-      "integrity": "sha512-IofjkYBZaZivn0V8nnsMJGBr4jVLxHDheKSW88PyxS5QC4Vo9ZbZVvhzlSxY87fVq3STR6r+4cGepyHkcWOQSw==",
-      "dev": true,
-      "optional": true
-    },
     "depd": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
@@ -5143,16 +5133,6 @@
         "slash": "^2.0.0"
       }
     },
-    "good-listener": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/good-listener/-/good-listener-1.2.2.tgz",
-      "integrity": "sha1-1TswzfkxPf+33JoNR3CWqm0UXFA=",
-      "dev": true,
-      "optional": true,
-      "requires": {
-        "delegate": "^3.1.2"
-      }
-    },
     "got": {
       "version": "9.6.0",
       "resolved": "https://registry.npmjs.org/got/-/got-9.6.0.tgz",
@@ -8016,13 +7996,10 @@
       "dev": true
     },
     "prismjs": {
-      "version": "1.19.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.19.0.tgz",
-      "integrity": "sha512-IVFtbW9mCWm9eOIaEkNyo2Vl4NnEifis2GQ7/MLRG5TQe6t+4Sj9J5QWI9i3v+SS43uZBlCAOn+zYTVYQcPXJw==",
-      "dev": true,
-      "requires": {
-        "clipboard": "^2.0.0"
-      }
+      "version": "1.24.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.24.0.tgz",
+      "integrity": "sha512-SqV5GRsNqnzCL8k5dfAjCNhUrF3pR0A9lTDSCUZeh/LIshheXJEaP0hwLz2t4XHivd2J/v2HR+gRnigzeKe3cQ==",
+      "dev": true
     },
     "private": {
       "version": "0.1.8",
@@ -8647,13 +8624,6 @@
         }
       }
     },
-    "select": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/select/-/select-1.1.2.tgz",
-      "integrity": "sha1-DnNQrN7ICxEIUoeG7B1EGNEbOW0=",
-      "dev": true,
-      "optional": true
-    },
     "select-hose": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/select-hose/-/select-hose-2.0.0.tgz",
@@ -9621,13 +9591,6 @@
       "integrity": "sha1-QFQRqOfmM5/mTbmiNN4R3DHgK9Q=",
       "dev": true
     },
-    "tiny-emitter": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/tiny-emitter/-/tiny-emitter-2.1.0.tgz",
-      "integrity": "sha512-NB6Dk1A9xgQPMoGqC5CVXn123gWyte215ONT5Pp5a0yt4nlEoO1ZWeCwpncaekPHXO60i47ihFnZPiRPjRMq4Q==",
-      "dev": true,
-      "optional": true
-    },
     "to-arraybuffer": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/to-arraybuffer/-/to-arraybuffer-1.0.1.tgz",
@@ -10360,6 +10323,12 @@
         }
       }
     },
+    "vuepress-plugin-code-copy": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/vuepress-plugin-code-copy/-/vuepress-plugin-code-copy-1.0.6.tgz",
+      "integrity": "sha512-FiqwMtlb4rEsOI56O6sSkekcd3SlESxbkR2IaTIQxsMOMoalKfW5R9WlR1Pjm10v6jmU661Ex8MR11k9IzrNUg==",
+      "dev": true
+    },
     "vuepress-plugin-container": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/vuepress-plugin-container/-/vuepress-plugin-container-2.1.2.tgz",
diff --git a/yarn.lock b/yarn.lock
index c2548c9..d23e5a5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2162,15 +2162,6 @@ cli-boxes@^2.2.0:
   resolved "https://registry.npm.taobao.org/cli-boxes/download/cli-boxes-2.2.1.tgz#ddd5035d25094fce220e9cab40a45840a440318f"
   integrity sha1-3dUDXSUJT84iDpyrQKRYQKRAMY8=
 
-clipboard@^2.0.0:
-  version "2.0.6"
-  resolved "https://registry.npm.taobao.org/clipboard/download/clipboard-2.0.6.tgz#52921296eec0fdf77ead1749421b21c968647376"
-  integrity sha1-UpISlu7A/fd+rRdJQhshyWhkc3Y=
-  dependencies:
-    good-listener "^1.2.2"
-    select "^1.1.2"
-    tiny-emitter "^2.0.0"
-
 cliui@^5.0.0:
   version "5.0.0"
   resolved "https://registry.npm.taobao.org/cliui/download/cliui-5.0.0.tgz?cache=0&sync_timestamp=1602861396898&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fcliui%2Fdownload%2Fcliui-5.0.0.tgz#deefcfdb2e800784aa34f46fa08e06851c7bbbc5"
@@ -2833,11 +2824,6 @@ delayed-stream@~1.0.0:
   resolved "https://registry.npm.taobao.org/delayed-stream/download/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
   integrity sha1-3zrhmayt+31ECqrgsp4icrJOxhk=
 
-delegate@^3.1.2:
-  version "3.2.0"
-  resolved "https://registry.npm.taobao.org/delegate/download/delegate-3.2.0.tgz#b66b71c3158522e8ab5744f720d8ca0c2af59166"
-  integrity sha1-tmtxwxWFIuirV0T3INjKDCr1kWY=
-
 depd@~1.1.2:
   version "1.1.2"
   resolved "https://registry.npm.taobao.org/depd/download/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
@@ -3680,13 +3666,6 @@ globby@^9.2.0:
     pify "^4.0.1"
     slash "^2.0.0"
 
-good-listener@^1.2.2:
-  version "1.2.2"
-  resolved "https://registry.npm.taobao.org/good-listener/download/good-listener-1.2.2.tgz#d53b30cdf9313dffb7dc9a0d477096aa6d145c50"
-  integrity sha1-1TswzfkxPf+33JoNR3CWqm0UXFA=
-  dependencies:
-    delegate "^3.1.2"
-
 got@^9.6.0:
   version "9.6.0"
   resolved "https://registry.npm.taobao.org/got/download/got-9.6.0.tgz?cache=0&sync_timestamp=1600463006759&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fgot%2Fdownload%2Fgot-9.6.0.tgz#edf45e7d67f99545705de1f7bbeeeb121765ed85"
@@ -5923,11 +5902,9 @@ pretty-time@^1.1.0:
   integrity sha1-/7dCmvq7hTXDRqNOQYc63z103Q4=
 
 prismjs@^1.13.0:
-  version "1.22.0"
-  resolved "https://registry.npm.taobao.org/prismjs/download/prismjs-1.22.0.tgz?cache=0&sync_timestamp=1602354630427&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fprismjs%2Fdownload%2Fprismjs-1.22.0.tgz#73c3400afc58a823dd7eed023f8e1ce9fd8977fa"
-  integrity sha1-c8NACvxYqCPdfu0CP44c6f2Jd/o=
-  optionalDependencies:
-    clipboard "^2.0.0"
+  version "1.24.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.24.0.tgz#0409c30068a6c52c89ef7f1089b3ca4de56be2ac"
+  integrity sha512-SqV5GRsNqnzCL8k5dfAjCNhUrF3pR0A9lTDSCUZeh/LIshheXJEaP0hwLz2t4XHivd2J/v2HR+gRnigzeKe3cQ==
 
 process-nextick-args@~2.0.0:
   version "2.0.1"
@@ -6431,11 +6408,6 @@ select-hose@^2.0.0:
   resolved "https://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.npm.taobao.org/select/download/select-1.1.2.tgz#0e7350acdec80b1108528786ec1d4418d11b396d"
-  integrity sha1-DnNQrN7ICxEIUoeG7B1EGNEbOW0=
-
 selfsigned@^1.10.7:
   version "1.10.8"
   resolved "https://registry.npm.taobao.org/selfsigned/download/selfsigned-1.10.8.tgz?cache=0&sync_timestamp=1600186088899&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fselfsigned%2Fdownload%2Fselfsigned-1.10.8.tgz#0d17208b7d12c33f8eac85c41835f27fc3d81a30"
@@ -7064,11 +7036,6 @@ timsort@^0.3.0:
   resolved "https://registry.npm.taobao.org/timsort/download/timsort-0.3.0.tgz#405411a8e7e6339fe64db9a234de11dc31e02bd4"
   integrity sha1-QFQRqOfmM5/mTbmiNN4R3DHgK9Q=
 
-tiny-emitter@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.npm.taobao.org/tiny-emitter/download/tiny-emitter-2.1.0.tgz#1d1a56edfc51c43e863cbb5382a72330e3555423"
-  integrity sha1-HRpW7fxRxD6GPLtTgqcjMONVVCM=
-
 to-arraybuffer@^1.0.0:
   version "1.0.1"
   resolved "https://registry.npm.taobao.org/to-arraybuffer/download/to-arraybuffer-1.0.1.tgz#7d229b1fcc637e466ca081180836a7aabff83f43"