diff --git a/package-lock.json b/package-lock.json
index fa9df7f..f576cdd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -395,17 +395,6 @@
         }
       }
     },
-    "clipboard": {
-      "version": "2.0.8",
-      "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-2.0.8.tgz",
-      "integrity": "sha512-Y6WO0unAIQp5bLmk1zdThRhgJt/x3ks6f30s3oE3H1mgIEU33XyQjEf8gsf6DxC7NPX8Y1SsNWjUjL/ywLnnbQ==",
-      "optional": true,
-      "requires": {
-        "good-listener": "^1.2.2",
-        "select": "^1.1.2",
-        "tiny-emitter": "^2.0.0"
-      }
-    },
     "cliui": {
       "version": "3.2.0",
       "resolved": "https://registry.npm.taobao.org/cliui/download/cliui-3.2.0.tgz",
@@ -641,12 +630,6 @@
         }
       }
     },
-    "delegate": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/delegate/-/delegate-3.2.0.tgz",
-      "integrity": "sha512-IofjkYBZaZivn0V8nnsMJGBr4jVLxHDheKSW88PyxS5QC4Vo9ZbZVvhzlSxY87fVq3STR6r+4cGepyHkcWOQSw==",
-      "optional": true
-    },
     "depd": {
       "version": "1.1.2",
       "resolved": "https://registry.npm.taobao.org/depd/download/depd-1.1.2.tgz",
@@ -1414,15 +1397,6 @@
         }
       }
     },
-    "good-listener": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/good-listener/-/good-listener-1.2.2.tgz",
-      "integrity": "sha1-1TswzfkxPf+33JoNR3CWqm0UXFA=",
-      "optional": true,
-      "requires": {
-        "delegate": "^3.1.2"
-      }
-    },
     "graceful-fs": {
       "version": "4.2.2",
       "resolved": "https://registry.npm.taobao.org/graceful-fs/download/graceful-fs-4.2.2.tgz",
@@ -2892,12 +2866,9 @@
       "integrity": "sha1-t+PqQkNaTJsnWdmeDyAesZWALuE="
     },
     "prismjs": {
-      "version": "1.23.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.23.0.tgz",
-      "integrity": "sha512-c29LVsqOaLbBHuIbsTxaKENh1N2EQBOHaWv7gkHN4dgRbxSREqDnDbtFJYdpPauS4YCplMSNCABQ6Eeor69bAA==",
-      "requires": {
-        "clipboard": "^2.0.0"
-      }
+      "version": "1.27.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.27.0.tgz",
+      "integrity": "sha512-t13BGPUlFDR7wRB5kQDG4jjl7XeuH6jbJGt11JHPL96qwsEHNX2+68tFXqc1/k+/jALsbSWJKUOT/hcYAZ5LkA=="
     },
     "process-nextick-args": {
       "version": "2.0.1",
@@ -3056,12 +3027,6 @@
       "resolved": "https://registry.npm.taobao.org/sax/download/sax-0.5.8.tgz",
       "integrity": "sha1-1HLbIo6zMcJQaw6MFVJK25OdEsE="
     },
-    "select": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/select/-/select-1.1.2.tgz",
-      "integrity": "sha1-DnNQrN7ICxEIUoeG7B1EGNEbOW0=",
-      "optional": true
-    },
     "semver": {
       "version": "5.7.1",
       "resolved": "https://registry.npm.taobao.org/semver/download/semver-5.7.1.tgz",
@@ -3457,12 +3422,6 @@
         "os-homedir": "^1.0.0"
       }
     },
-    "tiny-emitter": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/tiny-emitter/-/tiny-emitter-2.1.0.tgz",
-      "integrity": "sha512-NB6Dk1A9xgQPMoGqC5CVXn123gWyte215ONT5Pp5a0yt4nlEoO1ZWeCwpncaekPHXO60i47ihFnZPiRPjRMq4Q==",
-      "optional": true
-    },
     "titlecase": {
       "version": "1.1.3",
       "resolved": "https://registry.npm.taobao.org/titlecase/download/titlecase-1.1.3.tgz",