diff --git a/package-lock.json b/package-lock.json
index ca1de16..11ca054 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1060,8 +1060,8 @@
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-      "integrity": "sha1-+PLIh60Qv2f2NPAFtph/7TF5qsg="
+      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
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@@ -1162,7 +1162,7 @@
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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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@@ -1477,17 +1477,17 @@
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-      "integrity": "sha1-SzXClE8GKov82mZBB2A1D+nd/CE=",
+      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz",
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-          "integrity": "sha1-sRwn2IuP8fvgcGQ8+UsMea4bCq8=",
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-          "integrity": "sha1-nPFhG6YmhdcDCunkujQUnDrwP8g=",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
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-      "resolved": "http://registry.npm.taobao.org/array-find-index/download/array-find-index-1.0.2.tgz",
+      "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/async-foreach/download/async-foreach-0.1.3.tgz",
+      "resolved": "https://registry.npmjs.org/async-foreach/-/async-foreach-0.1.3.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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@@ -3118,7 +3118,7 @@
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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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@@ -3769,7 +3769,7 @@
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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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@@ -4022,17 +4022,29 @@
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-      "integrity": "sha1-wtC3d2kRuGcixjLDwGxg8vgZk5o=",
+      "version": "6.5.4",
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-        "brorand": "^1.0.1",
+        "bn.js": "^4.11.9",
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-        "inherits": "^2.0.1",
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+        "hmac-drbg": "^1.0.1",
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+        "minimalistic-assert": "^1.0.1",
+        "minimalistic-crypto-utils": "^1.0.1"
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+        }
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@@ -5566,9 +5578,9 @@
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-      "integrity": "sha1-XB+x8RdHcRTwYyoOtLcbPLD9MXE=",
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@@ -5588,7 +5600,7 @@
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-      "resolved": "http://registry.npm.taobao.org/gauge/download/gauge-2.7.4.tgz",
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@@ -5611,7 +5623,7 @@
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-          "resolved": "http://registry.npm.taobao.org/string-width/download/string-width-1.0.2.tgz",
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@@ -5623,8 +5635,8 @@
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-      "integrity": "sha1-xEFzPhO5J6yMD/C0w7Az8ogSkko=",
+      "resolved": "https://registry.npmjs.org/gaze/-/gaze-1.1.3.tgz",
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@@ -5641,7 +5653,7 @@
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-      "resolved": "http://registry.npm.taobao.org/get-stdin/download/get-stdin-4.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/get-stdin/-/get-stdin-4.0.1.tgz",
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@@ -5738,9 +5750,9 @@
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-      "integrity": "sha1-Xf+xsZHyLSB5epNptJ6rTpg5aW0=",
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-      "resolved": "http://registry.npm.taobao.org/has-unicode/download/has-unicode-2.0.1.tgz",
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@@ -6655,13 +6667,13 @@
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-      "integrity": "sha1-4g/146KvwmkDILbcVSaCqcf631E="
+      "version": "2.0.1",
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-      "resolved": "http://registry.npm.taobao.org/indent-string/download/indent-string-2.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/indent-string/-/indent-string-2.1.0.tgz",
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@@ -7740,9 +7752,9 @@
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-      "integrity": "sha1-dIkR+wT0imDEdxs3XKxFqA3xHAM="
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+      "resolved": "https://registry.npmjs.org/loud-rejection/-/loud-rejection-1.6.0.tgz",
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-      "resolved": "http://registry.npm.taobao.org/meow/download/meow-3.7.0.tgz",
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-          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
+          "version": "1.2.5",
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-      "integrity": "sha1-kOIrzLjKV+pM03zIPTgZtS7qZ2Y="
+      "integrity": "sha1-kOIrzLjKV+pM03zIPTgZtS7qZ2Y=",
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-      "integrity": "sha1-VAMEJhwzDoDQ1e3OJTpoyzlkIYw=",
+      "resolved": "https://registry.npmjs.org/node-gyp/-/node-gyp-3.8.0.tgz",
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@@ -8647,7 +8645,7 @@
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-          "resolved": "http://registry.npm.taobao.org/semver/download/semver-5.3.0.tgz",
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@@ -8736,9 +8734,9 @@
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-      "integrity": "sha1-NJvX8ciUIv/n4eS2DyBVpp+8VRI=",
+      "version": "4.14.1",
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@@ -8747,28 +8745,26 @@
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       "version": "1.1.3",
-      "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==",
       "requires": {
         "string-width": "^1.0.2 || 2"
       }
@@ -16597,12 +16656,6 @@
           "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0="
         }
       }
-    },
-    "yarn": {
-      "version": "1.17.3",
-      "resolved": "https://registry.npmjs.org/yarn/-/yarn-1.17.3.tgz",
-      "integrity": "sha512-CgA8o7nRZaQvmeF/WBx2FC7f9W/0X59T2IaLYqgMo6637wfp5mMEsM3YXoJtKUspnpmDJKl/gGFhnqS+sON7hA==",
-      "dev": true
     }
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 19fb4f9..5c494b0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1768,10 +1768,10 @@ bluebird@^3.5.1:
   resolved "http://registry.npm.taobao.org/bluebird/download/bluebird-3.5.3.tgz#7d01c6f9616c9a51ab0f8c549a79dfe6ec33efa7"
   integrity sha1-fQHG+WFsmlGrD4xUmnnf5uwz76c=
 
-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 "http://registry.npm.taobao.org/bn.js/download/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
-  integrity sha1-LN4J617jQfSEdGuwMJsyU7GxRC8=
+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"
+  integrity sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==
 
 body-parser@1.18.3:
   version "1.18.3"
@@ -1839,9 +1839,9 @@ braces@^2.3.0, braces@^2.3.1:
     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 "http://registry.npm.taobao.org/brorand/download/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
+  resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
   integrity sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8=
 
 browser-process-hrtime@^0.1.2:
@@ -3235,17 +3235,17 @@ electron-to-chromium@^1.3.62, electron-to-chromium@^1.3.86:
   integrity sha1-8EgcqEgkdSvO1RZzOW6abHT+Xsc=
 
 elliptic@^6.0.0:
-  version "6.4.1"
-  resolved "http://registry.npm.taobao.org/elliptic/download/elliptic-6.4.1.tgz#c2d0b7776911b86722c632c3c06c60f2f819939a"
-  integrity sha1-wtC3d2kRuGcixjLDwGxg8vgZk5o=
+  version "6.5.4"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.4.tgz#da37cebd31e79a1367e941b592ed1fbebd58abbb"
+  integrity sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==
   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@^6.5.1:
   version "6.5.1"
@@ -4472,8 +4472,8 @@ hash-base@^3.0.0:
 
 hash.js@^1.0.0, hash.js@^1.0.3:
   version "1.1.7"
-  resolved "http://registry.npm.taobao.org/hash.js/download/hash.js-1.1.7.tgz#0babca538e8d4ee4a0f8988d68866537a003cf42"
-  integrity sha1-C6vKU46NTuSg+JiNaIZlN6ADz0I=
+  resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.7.tgz#0babca538e8d4ee4a0f8988d68866537a003cf42"
+  integrity sha512-taOaskGt4z4SOANNseOviYDvjEJinIkRgmp7LbKP2YTTmVxWBl87s/uzK9r+44BclBSp2X7K1hqeNfz9JbBeXA==
   dependencies:
     inherits "^2.0.3"
     minimalistic-assert "^1.0.1"
@@ -4524,9 +4524,9 @@ history@^4.7.2:
     value-equal "^0.4.0"
     warning "^3.0.0"
 
-hmac-drbg@^1.0.0:
+hmac-drbg@^1.0.1:
   version "1.0.1"
-  resolved "http://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"
   integrity sha1-0nRXAQJabHdabFRXk+1QL8DGSaE=
   dependencies:
     hash.js "^1.0.3"
@@ -4851,16 +4851,21 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@2, inherits@2.0.3, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, inherits@~2.0.1, inherits@~2.0.3:
-  version "2.0.3"
-  resolved "http://registry.npm.taobao.org/inherits/download/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
-  integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
+inherits@2, inherits@^2.0.1, inherits@^2.0.3, inherits@^2.0.4, inherits@~2.0.0, inherits@~2.0.1, inherits@~2.0.3:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
 
 inherits@2.0.1:
   version "2.0.1"
   resolved "http://registry.npm.taobao.org/inherits/download/inherits-2.0.1.tgz#b17d08d326b4423e568eff719f91b0b1cbdf69f1"
   integrity sha1-sX0I0ya0Qj5Wjv9xn5GwscvfafE=
 
+inherits@2.0.3:
+  version "2.0.3"
+  resolved "http://registry.npm.taobao.org/inherits/download/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+  integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
+
 ini@^1.3.4, ini@~1.3.0:
   version "1.3.5"
   resolved "http://registry.npm.taobao.org/ini/download/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
@@ -6404,12 +6409,12 @@ mini-css-extract-plugin@0.4.3:
 
 minimalistic-assert@^1.0.0, minimalistic-assert@^1.0.1:
   version "1.0.1"
-  resolved "http://registry.npm.taobao.org/minimalistic-assert/download/minimalistic-assert-1.0.1.tgz#2e194de044626d4a10e7f7fbc00ce73e83e4d5c7"
-  integrity sha1-LhlN4ERibUoQ5/f7wAznPoPk1cc=
+  resolved "https://registry.yarnpkg.com/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz#2e194de044626d4a10e7f7fbc00ce73e83e4d5c7"
+  integrity sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A==
 
-minimalistic-crypto-utils@^1.0.0, minimalistic-crypto-utils@^1.0.1:
+minimalistic-crypto-utils@^1.0.1:
   version "1.0.1"
-  resolved "http://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"
   integrity sha1-9sAMHAsIIkblxNmd+4x8CDsrWCo=
 
 minimatch@3.0.4, minimatch@^3.0.3, minimatch@^3.0.4, minimatch@~3.0.2: