diff --git a/package.json b/package.json
index 633b0f3..e5c8e4d 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "bignumber.js": "^6.0.0",
     "bip39": "^2.5.0",
     "jdenticon": "^2.1.0",
-    "lodash": "^4.17.5",
+    "lodash": "^4.17.21",
     "quasar": "0.0.18",
     "transform-runtime": "0.0.0",
     "vue-clipboards": "^1.2.1",
diff --git a/yarn.lock b/yarn.lock
index ec62287..063ae7c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -981,13 +981,7 @@ ansi-styles@^2.2.1:
   version "2.2.1"
   resolved "http://registry.npm.taobao.org/ansi-styles/download/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
 
-ansi-styles@^3.2.1:
-  version "3.2.1"
-  resolved "http://registry.npm.taobao.org/ansi-styles/download/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"
-  dependencies:
-    color-convert "^1.9.0"
-
-ansi-styles@^3.2.1:
+ansi-styles@^3.2.0, ansi-styles@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"
   dependencies:
@@ -2161,7 +2155,7 @@ chainsaw@~0.1.0:
   dependencies:
     traverse ">=0.3.0 <0.4"
 
-chalk@2.4.1, chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.3.0, chalk@^2.4.1:
+chalk@2.4.1, chalk@^2.4.1:
   version "2.4.1"
   resolved "http://registry.npm.taobao.org/chalk/download/chalk-2.4.1.tgz#18c49ab16a037b6eb0152cc83e3471338215b66e"
   dependencies:
@@ -2179,9 +2173,9 @@ chalk@^1.0.0, chalk@^1.1.1, chalk@^1.1.3:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
-chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.3.0, chalk@^2.3.1:
+chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.3.0:
   version "2.3.1"
-  resolved "http://r.cnpmjs.org/chalk/download/chalk-2.3.1.tgz#523fe2678aec7b04e8041909292fe8b17059b796"
+  resolved "https://r.cnpmjs.org/chalk/download/chalk-2.3.1.tgz#523fe2678aec7b04e8041909292fe8b17059b796"
   dependencies:
     ansi-styles "^3.2.0"
     escape-string-regexp "^1.0.5"
@@ -4997,9 +4991,9 @@ lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "http://registry.npm.taobao.org/lodash.uniq/download/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
-lodash@^4.17.2, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.3.0:
-  version "4.17.10"
-  resolved "http://registry.npm.taobao.org/lodash/download/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
+lodash@^4.17.2, lodash@^4.17.21, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.3.0:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 log-symbols@^2.1.0:
   version "2.2.0"
@@ -5411,10 +5405,6 @@ negotiator@0.6.1:
   version "0.6.1"
   resolved "http://registry.npm.taobao.org/negotiator/download/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
 
-neo-async@^2.5.0:
-  version "2.5.1"
-  resolved "http://registry.npm.taobao.org/neo-async/download/neo-async-2.5.1.tgz#acb909e327b1e87ec9ef15f41b8a269512ad41ee"
-
 neo-async@^2.5.0:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.5.0.tgz#76b1c823130cca26acfbaccc8fbaf0a2fa33b18f"
@@ -7408,12 +7398,18 @@ supports-color@^3.2.3:
   dependencies:
     has-flag "^1.0.0"
 
-supports-color@^5.1.0, supports-color@^5.3.0, supports-color@^5.4.0:
+supports-color@^5.1.0, supports-color@^5.4.0:
   version "5.4.0"
   resolved "http://registry.npm.taobao.org/supports-color/download/supports-color-5.4.0.tgz#1c6b337402c2137605efe19f10fec390f6faab54"
   dependencies:
     has-flag "^3.0.0"
 
+supports-color@^5.2.0:
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"
+  dependencies:
+    has-flag "^3.0.0"
+
 supports-color@^5.3.0:
   version "5.3.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.3.0.tgz#5b24ac15db80fa927cf5227a4a33fd3c4c7676c0"