diff --git a/yarn.lock b/yarn.lock
index 93ce9ff..8039dfa 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5136,16 +5136,6 @@ lodash-es@^4.17.11:
   resolved "http://registry.npm.taobao.org/lodash-es/download/lodash-es-4.17.11.tgz#145ab4a7ac5c5e52a3531fb4f310255a152b4be0"
   integrity sha1-FFq0p6xcXlKjUx+08xAlWhUrS+A=
 
-lodash.assign@^4.2.0:
-  version "4.2.0"
-  resolved "http://registry.npm.taobao.org/lodash.assign/download/lodash.assign-4.2.0.tgz#0d99f3ccd7a6d261d19bdaeb9245005d285808e7"
-  integrity sha1-DZnzzNem0mHRm9rrkkUAXShYCOc=
-
-lodash.clonedeep@^4.3.2:
-  version "4.5.0"
-  resolved "http://registry.npm.taobao.org/lodash.clonedeep/download/lodash.clonedeep-4.5.0.tgz#e23f3f9c4f8fbdde872529c1071857a086e5ccef"
-  integrity sha1-4j8/nE+Pvd6HJSnBBxhXoIblzO8=
-
 lodash.debounce@^4.0.8:
   version "4.0.8"
   resolved "http://registry.npm.taobao.org/lodash.debounce/download/lodash.debounce-4.0.8.tgz#82d79bff30a67c4005ffd5e2515300ad9ca4d7af"
@@ -5161,11 +5151,6 @@ lodash.memoize@^4.1.2:
   resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-4.1.2.tgz#bcc6c49a42a2840ed997f323eada5ecd182e0bfe"
   integrity sha1-vMbEmkKihA7Zl/Mj6tpezRguC/4=
 
-lodash.mergewith@^4.6.0:
-  version "4.6.1"
-  resolved "http://registry.npm.taobao.org/lodash.mergewith/download/lodash.mergewith-4.6.1.tgz#639057e726c3afbdb3e7d42741caa8d6e4335927"
-  integrity sha1-Y5BX5ybDr72z59QnQcqo1uQzWSc=
-
 lodash.tail@^4.1.1:
   version "4.1.1"
   resolved "http://registry.npm.taobao.org/lodash.tail/download/lodash.tail-4.1.1.tgz#d2333a36d9e7717c8ad2f7cacafec7c32b444664"
@@ -5176,10 +5161,10 @@ lodash.uniq@^4.5.0:
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
   integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=
 
-lodash@^4.0.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.3, lodash@^4.17.5, lodash@^4.5.0, lodash@~4.17.10:
-  version "4.17.11"
-  resolved "http://registry.npm.taobao.org/lodash/download/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
-  integrity sha1-s56mIp72B+zYniyN8SU2iRysm40=
+lodash@^4.0.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.15, lodash@^4.17.3, lodash@^4.17.5, lodash@^4.5.0, lodash@~4.17.10:
+  version "4.17.20"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
+  integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
 
 log-symbols@^2.1.0:
   version "2.2.0"
@@ -5572,10 +5557,10 @@ multicast-dns@^6.0.1:
     dns-packet "^1.3.1"
     thunky "^1.0.2"
 
-nan@^2.10.0, nan@^2.9.2:
-  version "2.12.1"
-  resolved "http://registry.npm.taobao.org/nan/download/nan-2.12.1.tgz#7b1aa193e9aa86057e3c7bbd0ac448e770925552"
-  integrity sha1-exqhk+mqhgV+PHu9CsRI53CSVVI=
+nan@^2.13.2, nan@^2.9.2:
+  version "2.14.1"
+  resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.1.tgz#d7be34dfa3105b91494c3147089315eff8874b01"
+  integrity sha512-isWHgVjnFjh2x2yuJ/tj3JbwoHu3UC2dX5G/88Cm24yB6YopVgxvBObDY7n5xW6ExmFhJpSEQqFPvq9zaXc8Jw==
 
 nanomatch@^1.2.9:
   version "1.2.13"
@@ -5724,9 +5709,9 @@ node-releases@^1.1.8:
     semver "^5.3.0"
 
 node-sass@^4.11.0:
-  version "4.11.0"
-  resolved "http://registry.npm.taobao.org/node-sass/download/node-sass-4.11.0.tgz#183faec398e9cbe93ba43362e2768ca988a6369a"
-  integrity sha1-GD+uw5jpy+k7pDNi4naMqYimNpo=
+  version "4.13.1"
+  resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.13.1.tgz#9db5689696bb2eec2c32b98bfea4c7a2e992d0a3"
+  integrity sha512-TTWFx+ZhyDx1Biiez2nB0L3YrCZ/8oHagaDalbuBSlqXgUPsdkUSzJsVxeDO9LtPB49+Fh3WQl3slABo6AotNw==
   dependencies:
     async-foreach "^0.1.3"
     chalk "^1.1.1"
@@ -5735,12 +5720,10 @@ node-sass@^4.11.0:
     get-stdin "^4.0.1"
     glob "^7.0.3"
     in-publish "^2.0.0"
-    lodash.assign "^4.2.0"
-    lodash.clonedeep "^4.3.2"
-    lodash.mergewith "^4.6.0"
+    lodash "^4.17.15"
     meow "^3.7.0"
     mkdirp "^0.5.1"
-    nan "^2.10.0"
+    nan "^2.13.2"
     node-gyp "^3.8.0"
     npmlog "^4.0.0"
     request "^2.88.0"