diff --git a/yarn.lock b/yarn.lock
index f3f9bde..de74e5b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1414,9 +1414,9 @@ bluebird@^3.1.1, bluebird@^3.5.1, bluebird@^3.5.5:
   version "3.5.5"
   resolved "https://registry.npm.taobao.org/bluebird/download/bluebird-3.5.5.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fbluebird%2Fdownload%2Fbluebird-3.5.5.tgz#a8d0afd73251effbbd5fe384a77d73003c17a71f"
 
-bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.4.0:
-  version "4.11.8"
-  resolved "https://registry.npm.taobao.org/bn.js/download/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
+bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.11.9:
+  version "4.12.0"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.12.0.tgz#775b3f278efbb9718eec7361f483fb36fbbfea88"
 
 body-parser@1.19.0:
   version "1.19.0"
@@ -1470,9 +1470,9 @@ braces@^2.3.1, braces@^2.3.2:
     split-string "^3.0.2"
     to-regex "^3.0.1"
 
-brorand@^1.0.1:
+brorand@^1.0.1, brorand@^1.1.0:
   version "1.1.0"
-  resolved "https://registry.npm.taobao.org/brorand/download/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
+  resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
 
 browserify-aes@^1.0.0, browserify-aes@^1.0.4:
   version "1.2.0"
@@ -2562,16 +2562,16 @@ electron-to-chromium@^1.3.188:
   resolved "https://registry.npm.taobao.org/electron-to-chromium/download/electron-to-chromium-1.3.190.tgz#5bf599519983bfffd9d4387817039a3ed7ca085f"
 
 elliptic@^6.0.0:
-  version "6.5.0"
-  resolved "https://registry.npm.taobao.org/elliptic/download/elliptic-6.5.0.tgz#2b8ed4c891b7de3200e14412a5b8248c7af505ca"
+  version "6.5.4"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.4.tgz#da37cebd31e79a1367e941b592ed1fbebd58abbb"
   dependencies:
-    bn.js "^4.4.0"
-    brorand "^1.0.1"
+    bn.js "^4.11.9"
+    brorand "^1.1.0"
     hash.js "^1.0.0"
-    hmac-drbg "^1.0.0"
-    inherits "^2.0.1"
-    minimalistic-assert "^1.0.0"
-    minimalistic-crypto-utils "^1.0.0"
+    hmac-drbg "^1.0.1"
+    inherits "^2.0.4"
+    minimalistic-assert "^1.0.1"
+    minimalistic-crypto-utils "^1.0.1"
 
 emoji-regex@^7.0.1:
   version "7.0.3"
@@ -3504,7 +3504,7 @@ hash-sum@^1.0.2:
 
 hash.js@^1.0.0, hash.js@^1.0.3:
   version "1.1.7"
-  resolved "https://registry.npm.taobao.org/hash.js/download/hash.js-1.1.7.tgz#0babca538e8d4ee4a0f8988d68866537a003cf42"
+  resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.7.tgz#0babca538e8d4ee4a0f8988d68866537a003cf42"
   dependencies:
     inherits "^2.0.3"
     minimalistic-assert "^1.0.1"
@@ -3521,9 +3521,9 @@ highlight.js@^9.6.0:
   version "9.15.8"
   resolved "https://registry.npm.taobao.org/highlight.js/download/highlight.js-9.15.8.tgz#f344fda123f36f1a65490e932cf90569e4999971"
 
-hmac-drbg@^1.0.0:
+hmac-drbg@^1.0.1:
   version "1.0.1"
-  resolved "https://registry.npm.taobao.org/hmac-drbg/download/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
+  resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
   dependencies:
     hash.js "^1.0.3"
     minimalistic-assert "^1.0.0"
@@ -3761,7 +3761,7 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@2, inherits@2.0.4, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.1, inherits@~2.0.3:
+inherits@2, inherits@2.0.4, inherits@^2.0.1, inherits@^2.0.3, inherits@^2.0.4, inherits@~2.0.1, inherits@~2.0.3:
   version "2.0.4"
   resolved "https://registry.npm.taobao.org/inherits/download/inherits-2.0.4.tgz?cache=0&sync_timestamp=1560975547815&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Finherits%2Fdownload%2Finherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
 
@@ -4507,11 +4507,11 @@ mini-css-extract-plugin@^0.6.0:
 
 minimalistic-assert@^1.0.0, minimalistic-assert@^1.0.1:
   version "1.0.1"
-  resolved "https://registry.npm.taobao.org/minimalistic-assert/download/minimalistic-assert-1.0.1.tgz#2e194de044626d4a10e7f7fbc00ce73e83e4d5c7"
+  resolved "https://registry.yarnpkg.com/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz#2e194de044626d4a10e7f7fbc00ce73e83e4d5c7"
 
-minimalistic-crypto-utils@^1.0.0, minimalistic-crypto-utils@^1.0.1:
+minimalistic-crypto-utils@^1.0.1:
   version "1.0.1"
-  resolved "https://registry.npm.taobao.org/minimalistic-crypto-utils/download/minimalistic-crypto-utils-1.0.1.tgz#f6c00c1c0b082246e5c4d99dfb8c7c083b2b582a"
+  resolved "https://registry.yarnpkg.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz#f6c00c1c0b082246e5c4d99dfb8c7c083b2b582a"
 
 minimatch@^3.0.2, minimatch@^3.0.4:
   version "3.0.4"