diff --git a/package-lock.json b/package-lock.json
index 2b45040..3ca5bd0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1200,8 +1200,8 @@
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-      "resolved": "http://registry.npm.taobao.org/amdefine/download/amdefine-1.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
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-      "integrity": "sha1-SzXClE8GKov82mZBB2A1D+nd/CE=",
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+      "resolved": "https://registry.npmjs.org/array-find-index/-/array-find-index-1.0.2.tgz",
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-      "resolved": "http://registry.npm.taobao.org/block-stream/download/block-stream-0.0.9.tgz",
+      "resolved": "https://registry.npmjs.org/block-stream/-/block-stream-0.0.9.tgz",
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-      "resolved": "http://registry.npm.taobao.org/camelcase-keys/download/camelcase-keys-2.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/camelcase-keys/-/camelcase-keys-2.1.0.tgz",
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-          "resolved": "http://registry.npm.taobao.org/camelcase/download/camelcase-2.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-2.1.1.tgz",
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@@ -2605,7 +2605,7 @@
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-      "resolved": "http://registry.npm.taobao.org/console-control-strings/download/console-control-strings-1.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
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-      "resolved": "http://registry.npm.taobao.org/currently-unhandled/download/currently-unhandled-0.4.1.tgz",
+      "resolved": "https://registry.npmjs.org/currently-unhandled/-/currently-unhandled-0.4.1.tgz",
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@@ -3303,7 +3303,7 @@
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-      "resolved": "http://registry.npm.taobao.org/delegates/download/delegates-1.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz",
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-      "integrity": "sha1-XB+x8RdHcRTwYyoOtLcbPLD9MXE=",
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+      "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.12.tgz",
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-          "resolved": "http://registry.npm.taobao.org/ansi-regex/download/ansi-regex-2.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
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@@ -4860,7 +4860,7 @@
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+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
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@@ -4882,8 +4882,8 @@
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-      "integrity": "sha1-xEFzPhO5J6yMD/C0w7Az8ogSkko=",
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@@ -4897,7 +4897,7 @@
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@@ -4994,9 +4994,9 @@
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-      "integrity": "sha1-Xf+xsZHyLSB5epNptJ6rTpg5aW0=",
+      "version": "1.3.2",
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@@ -5079,7 +5079,7 @@
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-      "resolved": "http://registry.npm.taobao.org/has-unicode/download/has-unicode-2.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/has-unicode/-/has-unicode-2.0.1.tgz",
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@@ -5580,14 +5580,14 @@
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-      "integrity": "sha1-4g/146KvwmkDILbcVSaCqcf631E=",
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-      "resolved": "http://registry.npm.taobao.org/indent-string/download/indent-string-2.1.0.tgz",
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@@ -5811,13 +5811,10 @@
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-      "dev": true,
-      "requires": {
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@@ -5939,7 +5936,7 @@
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@@ -7107,7 +7085,7 @@
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@@ -7115,9 +7093,15 @@
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-      "integrity": "sha1-hc36+uso6Gd/QW4odZK18/SepBA=",
+      "resolved": "https://registry.npmjs.org/osenv/-/osenv-0.1.5.tgz",
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@@ -8763,13 +8747,13 @@
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@@ -8982,7 +8966,7 @@
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-      "integrity": "sha1-E/vWPNHK8JCLn9k0dq1DpR0eC0k=",
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+      "resolved": "https://registry.npmjs.org/sass-graph/-/sass-graph-2.2.6.tgz",
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@@ -9183,19 +9167,19 @@
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-          "resolved": "http://registry.npm.taobao.org/ansi-regex/download/ansi-regex-2.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
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           "version": "3.0.0",
-          "resolved": "http://registry.npm.taobao.org/camelcase/download/camelcase-3.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
           "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo=",
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-          "resolved": "http://registry.npm.taobao.org/cliui/download/cliui-3.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/cliui/-/cliui-3.2.0.tgz",
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@@ -9206,19 +9190,19 @@
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-          "resolved": "http://registry.npm.taobao.org/decamelize/download/decamelize-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.2.0.tgz",
           "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=",
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         "invert-kv": {
           "version": "1.0.0",
-          "resolved": "http://registry.npm.taobao.org/invert-kv/download/invert-kv-1.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/invert-kv/-/invert-kv-1.0.0.tgz",
           "integrity": "sha1-EEqOSqym09jNFXqO+L+rLXo//bY=",
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           "version": "1.0.0",
-          "resolved": "http://registry.npm.taobao.org/is-fullwidth-code-point/download/is-fullwidth-code-point-1.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
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@@ -9227,7 +9211,7 @@
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-          "resolved": "http://registry.npm.taobao.org/lcid/download/lcid-1.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/lcid/-/lcid-1.0.0.tgz",
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@@ -9236,7 +9220,7 @@
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-          "resolved": "http://registry.npm.taobao.org/os-locale/download/os-locale-1.4.0.tgz",
+          "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
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@@ -9245,7 +9229,7 @@
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-          "resolved": "http://registry.npm.taobao.org/string-width/download/string-width-1.0.2.tgz",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
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@@ -9256,7 +9240,7 @@
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-          "resolved": "http://registry.npm.taobao.org/strip-ansi/download/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
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@@ -9265,20 +9249,20 @@
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           "version": "1.0.0",
-          "resolved": "http://registry.npm.taobao.org/which-module/download/which-module-1.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/which-module/-/which-module-1.0.0.tgz",
           "integrity": "sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8=",
           "dev": true
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         "y18n": {
           "version": "3.2.1",
-          "resolved": "http://registry.npm.taobao.org/y18n/download/y18n-3.2.1.tgz",
+          "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
           "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
           "dev": true
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-          "resolved": "http://registry.npm.taobao.org/yargs/download/yargs-7.1.0.tgz",
-          "integrity": "sha1-a6MY6xaWFyf10oT46gA+jWFU0Mg=",
+          "version": "7.1.1",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-7.1.1.tgz",
+          "integrity": "sha512-huO4Fr1f9PmiJJdll5kwoS2e4GqzGSsMT3PPMpOwoVkOK8ckqAewMTZyA6LXVQWflleb/Z8oPBEvNsMft0XE+g==",
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@@ -9293,16 +9277,17 @@
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             "y18n": "^3.2.1",
-            "yargs-parser": "^5.0.0"
+            "yargs-parser": "5.0.0-security.0"
           }
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         "yargs-parser": {
-          "version": "5.0.0",
-          "resolved": "http://registry.npm.taobao.org/yargs-parser/download/yargs-parser-5.0.0.tgz",
-          "integrity": "sha1-J17PDX/+Bcd+ZOfIbkzZS/DhIoo=",
+          "version": "5.0.0-security.0",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-5.0.0-security.0.tgz",
+          "integrity": "sha512-T69y4Ps64LNesYxeYGYPvfoMTt/7y1XtfpIslUeK4um+9Hu7hlGoRtaDLvdXb7+/tfq4opVa2HRY5xGip022rQ==",
           "dev": true,
           "requires": {
-            "camelcase": "^3.0.0"
+            "camelcase": "^3.0.0",
+            "object.assign": "^4.1.0"
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@@ -9344,7 +9329,7 @@
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       "version": "0.2.3",
-      "resolved": "http://registry.npm.taobao.org/scss-tokenizer/download/scss-tokenizer-0.2.3.tgz",
+      "resolved": "https://registry.npmjs.org/scss-tokenizer/-/scss-tokenizer-0.2.3.tgz",
       "integrity": "sha1-jrBtualyMzOCTT9VMGQRSYR85dE=",
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@@ -9354,7 +9339,7 @@
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           "version": "0.4.4",
-          "resolved": "http://registry.npm.taobao.org/source-map/download/source-map-0.4.4.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
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@@ -10009,8 +9994,8 @@
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-      "integrity": "sha1-WsF0zdXNcmEEqgwLK9g4FdjVNd4=",
+      "resolved": "https://registry.npmjs.org/stdout-stream/-/stdout-stream-1.4.1.tgz",
+      "integrity": "sha512-j4emi03KXqJWcIeF8eIXkjMFN1Cmb8gUlDYGeBALLPo5qdyTfA9bOtl8m33lRoC+vFMkP3gl0WsDr6+gzxbbTA==",
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@@ -10119,7 +10104,7 @@
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       "version": "2.0.0",
-      "resolved": "http://registry.npm.taobao.org/strip-bom/download/strip-bom-2.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-2.0.0.tgz",
       "integrity": "sha1-YhmoVhZSBJHzV4i9vxRHqZx+aw4=",
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@@ -10200,13 +10185,13 @@
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-      "resolved": "http://registry.npm.taobao.org/tar/download/tar-2.2.1.tgz",
-      "integrity": "sha1-jk0qJWwOIYXGsYrWlK7JaLg8sdE=",
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-2.2.2.tgz",
+      "integrity": "sha512-FCEhQ/4rE1zYv9rYXJw/msRqsnmlje5jHP6huWeBZ704jUTy02c5AZyWujpMR1ax6mVw9NyJMfuK2CMDWVIfgA==",
       "dev": true,
       "requires": {
         "block-stream": "*",
-        "fstream": "^1.0.2",
+        "fstream": "^1.0.12",
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@@ -10522,7 +10507,7 @@
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       "version": "1.0.0",
-      "resolved": "http://registry.npm.taobao.org/trim-newlines/download/trim-newlines-1.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/trim-newlines/-/trim-newlines-1.0.0.tgz",
       "integrity": "sha1-WIeWa7WCpFA6QetST301ARgVphM=",
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@@ -10534,8 +10519,8 @@
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-      "resolved": "http://registry.npm.taobao.org/true-case-path/download/true-case-path-1.0.3.tgz",
-      "integrity": "sha1-+BO1qMhrQNpZYGcisUTjIleZ9H0=",
+      "resolved": "https://registry.npmjs.org/true-case-path/-/true-case-path-1.0.3.tgz",
+      "integrity": "sha512-m6s2OdQe5wgpFMC+pAJ+q9djG82O2jcHPOI6RNg1yy9rCYR+WD6Nbpl32fDpfC56nirdRy+opFa/Vk7HYhqaew==",
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@@ -11287,8 +11272,8 @@
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-      "resolved": "http://registry.npm.taobao.org/wide-align/download/wide-align-1.1.3.tgz",
-      "integrity": "sha1-rgdOa9wMFKQx6ATmJFScYzsABFc=",
+      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
+      "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
       "dev": true,
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diff --git a/package.json b/package.json
index 740560c..093c495 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
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     "@vue/cli-plugin-babel": "^3.1.1",
     "@vue/cli-service": "^3.1.4",
-    "node-sass": "^4.9.0",
+    "node-sass": "^4.13.1",
     "postcss-px2rem": "^0.3.0",
     "sass-loader": "^7.0.1",
     "vue-template-compiler": "^2.5.17"