diff --git a/package-lock.json b/package-lock.json
index 3f188a1..c0f38d1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6383,9 +6383,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.15",
-      "resolved": "http://npm.visionacademy.cn/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha1-tEf2ZwoEVbv+7dETku/zMOoJdUg=",
+      "version": "4.17.19",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==",
       "dev": true
     },
     "lodash._reinterpolate": {
diff --git a/yarn.lock b/yarn.lock
index 491a04c..81f917b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1378,13 +1378,6 @@ axios@^0.18.0, axios@^0.18.1:
     follow-redirects "1.5.10"
     is-buffer "^2.0.2"
 
-axios@^0.18.1:
-  version "0.18.1"
-  resolved "https://registry.yarnpkg.com/axios/-/axios-0.18.1.tgz#ff3f0de2e7b5d180e757ad98000f1081b87bcea3"
-  dependencies:
-    follow-redirects "1.5.10"
-    is-buffer "^2.0.2"
-
 babel-extract-comments@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/babel-extract-comments/-/babel-extract-comments-1.0.0.tgz#0a2aedf81417ed391b85e18b4614e693a0351a21"
@@ -3054,7 +3047,6 @@ follow-redirects@1.5.10:
   dependencies:
     debug "=3.1.0"
 
-
 follow-redirects@^1.0.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.7.0.tgz#489ebc198dc0e7f64167bd23b03c4c19b5784c76"
@@ -4251,13 +4243,9 @@ lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
-lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.3, lodash@^4.17.5:
-  version "4.17.11"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
-
-lodash@^4.17.14, lodash@^4.17.15:
-  version "4.17.15"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
+lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.3, lodash@^4.17.5:
+  version "4.17.19"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.19.tgz#e48ddedbe30b3321783c5b4301fbd353bc1e4a4b"
 
 loglevel@^1.6.6:
   version "1.6.6"
@@ -5539,7 +5527,7 @@ prepend-http@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-2.0.0.tgz#e92434bfa5ea8c19f41cdfd401d741a3c819d897"
 
-prettier@1.19.1:
+prettier@1.19.1, prettier@^1.18.2:
   version "1.19.1"
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.19.1.tgz#f7d7f5ff8a9cd872a7be4ca142095956a60797cb"
 
@@ -7057,6 +7045,10 @@ vuepress-html-webpack-plugin@^3.2.0:
     toposort "^1.0.0"
     util.promisify "1.0.0"
 
+vuepress-plugin-clean-urls@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/vuepress-plugin-clean-urls/-/vuepress-plugin-clean-urls-1.1.1.tgz#593f47be643c33c34413ba408e8bee31aaf534bd"
+
 vuepress-plugin-container@^2.0.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/vuepress-plugin-container/-/vuepress-plugin-container-2.1.2.tgz#688c1e5a9709a1b8658605bcaee580b3abb19d16"