diff --git a/vue-demo/yarn.lock b/vue-demo/yarn.lock
index f6ec2a4..bc34ccf 100644
--- a/vue-demo/yarn.lock
+++ b/vue-demo/yarn.lock
@@ -4,13 +4,13 @@
 
 "@babel/code-frame@7.0.0-beta.44":
   version "7.0.0-beta.44"
-  resolved "http://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0-beta.44.tgz#2a02643368de80916162be70865c97774f3adbd9"
+  resolved "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0-beta.44.tgz#2a02643368de80916162be70865c97774f3adbd9"
   dependencies:
     "@babel/highlight" "7.0.0-beta.44"
 
 "@babel/generator@7.0.0-beta.44":
   version "7.0.0-beta.44"
-  resolved "http://registry.npmjs.org/@babel/generator/-/generator-7.0.0-beta.44.tgz#c7e67b9b5284afcf69b309b50d7d37f3e5033d42"
+  resolved "https://registry.npmjs.org/@babel/generator/-/generator-7.0.0-beta.44.tgz#c7e67b9b5284afcf69b309b50d7d37f3e5033d42"
   dependencies:
     "@babel/types" "7.0.0-beta.44"
     jsesc "^2.5.1"
@@ -20,7 +20,7 @@
 
 "@babel/helper-function-name@7.0.0-beta.44":
   version "7.0.0-beta.44"
-  resolved "http://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.0.0-beta.44.tgz#e18552aaae2231100a6e485e03854bc3532d44dd"
+  resolved "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.0.0-beta.44.tgz#e18552aaae2231100a6e485e03854bc3532d44dd"
   dependencies:
     "@babel/helper-get-function-arity" "7.0.0-beta.44"
     "@babel/template" "7.0.0-beta.44"
@@ -28,19 +28,19 @@
 
 "@babel/helper-get-function-arity@7.0.0-beta.44":
   version "7.0.0-beta.44"
-  resolved "http://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.44.tgz#d03ca6dd2b9f7b0b1e6b32c56c72836140db3a15"
+  resolved "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.44.tgz#d03ca6dd2b9f7b0b1e6b32c56c72836140db3a15"
   dependencies:
     "@babel/types" "7.0.0-beta.44"
 
 "@babel/helper-split-export-declaration@7.0.0-beta.44":
   version "7.0.0-beta.44"
-  resolved "http://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0-beta.44.tgz#c0b351735e0fbcb3822c8ad8db4e583b05ebd9dc"
+  resolved "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0-beta.44.tgz#c0b351735e0fbcb3822c8ad8db4e583b05ebd9dc"
   dependencies:
     "@babel/types" "7.0.0-beta.44"
 
 "@babel/highlight@7.0.0-beta.44":
   version "7.0.0-beta.44"
-  resolved "http://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0-beta.44.tgz#18c94ce543916a80553edcdcf681890b200747d5"
+  resolved "https://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0-beta.44.tgz#18c94ce543916a80553edcdcf681890b200747d5"
   dependencies:
     chalk "^2.0.0"
     esutils "^2.0.2"
@@ -48,7 +48,7 @@
 
 "@babel/template@7.0.0-beta.44":
   version "7.0.0-beta.44"
-  resolved "http://registry.npmjs.org/@babel/template/-/template-7.0.0-beta.44.tgz#f8832f4fdcee5d59bf515e595fc5106c529b394f"
+  resolved "https://registry.npmjs.org/@babel/template/-/template-7.0.0-beta.44.tgz#f8832f4fdcee5d59bf515e595fc5106c529b394f"
   dependencies:
     "@babel/code-frame" "7.0.0-beta.44"
     "@babel/types" "7.0.0-beta.44"
@@ -57,7 +57,7 @@
 
 "@babel/traverse@7.0.0-beta.44":
   version "7.0.0-beta.44"
-  resolved "http://registry.npmjs.org/@babel/traverse/-/traverse-7.0.0-beta.44.tgz#a970a2c45477ad18017e2e465a0606feee0d2966"
+  resolved "https://registry.npmjs.org/@babel/traverse/-/traverse-7.0.0-beta.44.tgz#a970a2c45477ad18017e2e465a0606feee0d2966"
   dependencies:
     "@babel/code-frame" "7.0.0-beta.44"
     "@babel/generator" "7.0.0-beta.44"
@@ -72,7 +72,7 @@
 
 "@babel/types@7.0.0-beta.44":
   version "7.0.0-beta.44"
-  resolved "http://registry.npmjs.org/@babel/types/-/types-7.0.0-beta.44.tgz#6b1b164591f77dec0a0342aca995f2d046b3a757"
+  resolved "https://registry.npmjs.org/@babel/types/-/types-7.0.0-beta.44.tgz#6b1b164591f77dec0a0342aca995f2d046b3a757"
   dependencies:
     esutils "^2.0.2"
     lodash "^4.2.0"
@@ -366,7 +366,7 @@ acorn-jsx@^3.0.0:
 
 acorn@^3.0.4:
   version "3.3.0"
-  resolved "http://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
+  resolved "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
 
 acorn@^5.0.0, acorn@^5.3.0, acorn@^5.5.0, acorn@^5.6.2, acorn@^5.7.1:
   version "5.7.3"
@@ -616,7 +616,7 @@ babel-eslint@^8.2.5:
 
 babylon@7.0.0-beta.44:
   version "7.0.0-beta.44"
-  resolved "http://registry.npmjs.org/babylon/-/babylon-7.0.0-beta.44.tgz#89159e15e6e30c5096e22d738d8c0af8a0e8ca1d"
+  resolved "https://registry.npmjs.org/babylon/-/babylon-7.0.0-beta.44.tgz#89159e15e6e30c5096e22d738d8c0af8a0e8ca1d"
 
 balanced-match@^1.0.0:
   version "1.0.0"
@@ -730,7 +730,7 @@ brorand@^1.0.1:
 
 browserify-aes@^1.0.0, browserify-aes@^1.0.4:
   version "1.2.0"
-  resolved "http://registry.npmjs.org/browserify-aes/-/browserify-aes-1.2.0.tgz#326734642f403dabc3003209853bb70ad428ef48"
+  resolved "https://registry.npmjs.org/browserify-aes/-/browserify-aes-1.2.0.tgz#326734642f403dabc3003209853bb70ad428ef48"
   dependencies:
     buffer-xor "^1.0.3"
     cipher-base "^1.0.0"
@@ -758,7 +758,7 @@ browserify-des@^1.0.0:
 
 browserify-rsa@^4.0.0:
   version "4.0.1"
-  resolved "http://registry.npmjs.org/browserify-rsa/-/browserify-rsa-4.0.1.tgz#21e0abfaf6f2029cf2fafb133567a701d4135524"
+  resolved "https://registry.npmjs.org/browserify-rsa/-/browserify-rsa-4.0.1.tgz#21e0abfaf6f2029cf2fafb133567a701d4135524"
   dependencies:
     bn.js "^4.1.0"
     randombytes "^2.0.1"
@@ -810,7 +810,7 @@ buffer-xor@^1.0.3:
 
 buffer@^4.3.0:
   version "4.9.1"
-  resolved "http://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz#6d1bb601b07a4efced97094132093027c95bc298"
+  resolved "https://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz#6d1bb601b07a4efced97094132093027c95bc298"
   dependencies:
     base64-js "^1.0.2"
     ieee754 "^1.1.4"
@@ -917,7 +917,7 @@ caseless@~0.12.0:
 
 chalk@^1.1.3:
   version "1.1.3"
-  resolved "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
+  resolved "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
   dependencies:
     ansi-styles "^2.2.1"
     escape-string-regexp "^1.0.2"
@@ -1084,7 +1084,7 @@ colors@~1.1.2:
 
 combined-stream@1.0.6:
   version "1.0.6"
-  resolved "http://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz#723e7df6e801ac5613113a7e445a9b69cb632818"
+  resolved "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz#723e7df6e801ac5613113a7e445a9b69cb632818"
   dependencies:
     delayed-stream "~1.0.0"
 
@@ -1243,7 +1243,7 @@ create-ecdh@^4.0.0:
 
 create-hash@^1.1.0, create-hash@^1.1.2:
   version "1.2.0"
-  resolved "http://registry.npmjs.org/create-hash/-/create-hash-1.2.0.tgz#889078af11a63756bcfb59bd221996be3a9ef196"
+  resolved "https://registry.npmjs.org/create-hash/-/create-hash-1.2.0.tgz#889078af11a63756bcfb59bd221996be3a9ef196"
   dependencies:
     cipher-base "^1.0.1"
     inherits "^2.0.1"
@@ -1253,7 +1253,7 @@ create-hash@^1.1.0, create-hash@^1.1.2:
 
 create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
   version "1.1.7"
-  resolved "http://registry.npmjs.org/create-hmac/-/create-hmac-1.1.7.tgz#69170c78b3ab957147b2b8b04572e47ead2243ff"
+  resolved "https://registry.npmjs.org/create-hmac/-/create-hmac-1.1.7.tgz#69170c78b3ab957147b2b8b04572e47ead2243ff"
   dependencies:
     cipher-base "^1.0.3"
     create-hash "^1.1.0"
@@ -1618,7 +1618,7 @@ detect-node@^2.0.3:
 
 diffie-hellman@^5.0.0:
   version "5.0.3"
-  resolved "http://registry.npmjs.org/diffie-hellman/-/diffie-hellman-5.0.3.tgz#40e8ee98f55a2149607146921c63e1ae5f3d2875"
+  resolved "https://registry.npmjs.org/diffie-hellman/-/diffie-hellman-5.0.3.tgz#40e8ee98f55a2149607146921c63e1ae5f3d2875"
   dependencies:
     bn.js "^4.1.0"
     miller-rabin "^4.0.0"
@@ -1656,7 +1656,7 @@ doctrine@^2.1.0:
 
 dom-converter@~0.1:
   version "0.1.4"
-  resolved "http://registry.npmjs.org/dom-converter/-/dom-converter-0.1.4.tgz#a45ef5727b890c9bffe6d7c876e7b19cb0e17f3b"
+  resolved "https://registry.npmjs.org/dom-converter/-/dom-converter-0.1.4.tgz#a45ef5727b890c9bffe6d7c876e7b19cb0e17f3b"
   dependencies:
     utila "~0.3"
 
@@ -1713,7 +1713,7 @@ dot-prop@^4.1.1:
 
 duplexer@^0.1.1:
   version "0.1.1"
-  resolved "http://registry.npmjs.org/duplexer/-/duplexer-0.1.1.tgz#ace6ff808c1ce66b57d1ebf97977acb02334cfc1"
+  resolved "https://registry.npmjs.org/duplexer/-/duplexer-0.1.1.tgz#ace6ff808c1ce66b57d1ebf97977acb02334cfc1"
 
 duplexify@^3.4.2, duplexify@^3.6.0:
   version "3.6.0"
@@ -1880,7 +1880,7 @@ eslint-visitor-keys@^1.0.0:
 
 eslint@^4.19.1:
   version "4.19.1"
-  resolved "http://registry.npmjs.org/eslint/-/eslint-4.19.1.tgz#32d1d653e1d90408854bfb296f076ec7e186a300"
+  resolved "https://registry.npmjs.org/eslint/-/eslint-4.19.1.tgz#32d1d653e1d90408854bfb296f076ec7e186a300"
   dependencies:
     ajv "^5.3.0"
     babel-code-frame "^6.22.0"
@@ -2019,7 +2019,7 @@ expand-brackets@^2.1.4:
 
 express@^4.16.2:
   version "4.16.3"
-  resolved "http://registry.npmjs.org/express/-/express-4.16.3.tgz#6af8a502350db3246ecc4becf6b5a34d22f7ed53"
+  resolved "https://registry.npmjs.org/express/-/express-4.16.3.tgz#6af8a502350db3246ecc4becf6b5a34d22f7ed53"
   dependencies:
     accepts "~1.3.5"
     array-flatten "1.1.1"
@@ -2071,7 +2071,7 @@ extend@~3.0.2:
 
 external-editor@^2.0.4:
   version "2.2.0"
-  resolved "http://registry.npmjs.org/external-editor/-/external-editor-2.2.0.tgz#045511cfd8d133f3846673d1047c154e214ad3d5"
+  resolved "https://registry.npmjs.org/external-editor/-/external-editor-2.2.0.tgz#045511cfd8d133f3846673d1047c154e214ad3d5"
   dependencies:
     chardet "^0.4.0"
     iconv-lite "^0.4.17"
@@ -2608,7 +2608,7 @@ html-minifier@^3.2.3:
 
 html-webpack-plugin@^3.2.0:
   version "3.2.0"
-  resolved "http://registry.npmjs.org/html-webpack-plugin/-/html-webpack-plugin-3.2.0.tgz#b01abbd723acaaa7b37b6af4492ebda03d9dd37b"
+  resolved "https://registry.npmjs.org/html-webpack-plugin/-/html-webpack-plugin-3.2.0.tgz#b01abbd723acaaa7b37b6af4492ebda03d9dd37b"
   dependencies:
     html-minifier "^3.2.3"
     loader-utils "^0.2.16"
@@ -2642,7 +2642,7 @@ http-errors@1.6.2:
 
 http-errors@~1.6.2:
   version "1.6.3"
-  resolved "http://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz#8b55680bb4be283a0b5bf4ea2e38580be1d9320d"
+  resolved "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz#8b55680bb4be283a0b5bf4ea2e38580be1d9320d"
   dependencies:
     depd "~1.1.2"
     inherits "2.0.3"
@@ -2655,7 +2655,7 @@ http-parser-js@>=0.4.0:
 
 http-proxy-middleware@~0.18.0:
   version "0.18.0"
-  resolved "http://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-0.18.0.tgz#0987e6bb5a5606e5a69168d8f967a87f15dd8aab"
+  resolved "https://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-0.18.0.tgz#0987e6bb5a5606e5a69168d8f967a87f15dd8aab"
   dependencies:
     http-proxy "^1.16.2"
     is-glob "^4.0.0"
@@ -2862,7 +2862,7 @@ is-buffer@^1.1.5:
 
 is-builtin-module@^1.0.0:
   version "1.0.0"
-  resolved "http://registry.npmjs.org/is-builtin-module/-/is-builtin-module-1.0.0.tgz#540572d34f7ac3119f8f76c30cbc1b1e037affbe"
+  resolved "https://registry.npmjs.org/is-builtin-module/-/is-builtin-module-1.0.0.tgz#540572d34f7ac3119f8f76c30cbc1b1e037affbe"
   dependencies:
     builtin-modules "^1.0.0"
 
@@ -2967,7 +2967,7 @@ is-number@^3.0.0:
 
 is-obj@^1.0.0:
   version "1.0.1"
-  resolved "http://registry.npmjs.org/is-obj/-/is-obj-1.0.1.tgz#3e4729ac1f5fde025cd7d83a896dab9f4f67db0f"
+  resolved "https://registry.npmjs.org/is-obj/-/is-obj-1.0.1.tgz#3e4729ac1f5fde025cd7d83a896dab9f4f67db0f"
 
 is-path-cwd@^1.0.0:
   version "1.0.0"
@@ -3466,11 +3466,11 @@ minimatch@^3.0.2, minimatch@^3.0.4:
 
 minimist@0.0.8:
   version "0.0.8"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
 minimist@^1.2.0:
   version "1.2.0"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
 minipass@^2.2.1, minipass@^2.3.3:
   version "2.3.4"
@@ -3509,7 +3509,7 @@ mixin-deep@^1.2.0:
 
 mkdirp@0.5.1, mkdirp@0.5.x, mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0, mkdirp@~0.5.1:
   version "0.5.1"
-  resolved "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  resolved "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
     minimist "0.0.8"
 
@@ -3943,7 +3943,7 @@ param-case@2.1.x:
 
 parse-asn1@^5.0.0:
   version "5.1.1"
-  resolved "http://registry.npmjs.org/parse-asn1/-/parse-asn1-5.1.1.tgz#f6bf293818332bd0dab54efb16087724745e6ca8"
+  resolved "https://registry.npmjs.org/parse-asn1/-/parse-asn1-5.1.1.tgz#f6bf293818332bd0dab54efb16087724745e6ca8"
   dependencies:
     asn1.js "^4.0.0"
     browserify-aes "^1.0.0"
@@ -4430,7 +4430,7 @@ psl@^1.1.24:
 
 public-encrypt@^4.0.0:
   version "4.0.2"
-  resolved "http://registry.npmjs.org/public-encrypt/-/public-encrypt-4.0.2.tgz#46eb9107206bf73489f8b85b69d91334c6610994"
+  resolved "https://registry.npmjs.org/public-encrypt/-/public-encrypt-4.0.2.tgz#46eb9107206bf73489f8b85b69d91334c6610994"
   dependencies:
     bn.js "^4.1.0"
     browserify-rsa "^4.0.0"
@@ -4485,9 +4485,9 @@ querystring@0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/querystring/-/querystring-0.2.0.tgz#b209849203bb25df820da756e747005878521620"
 
-querystringify@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/querystringify/-/querystringify-2.0.0.tgz#fa3ed6e68eb15159457c89b37bc6472833195755"
+querystringify@^2.1.1:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/querystringify/-/querystringify-2.2.0.tgz#3345941b4153cb9d082d8eee4cda2016a9aef7f6"
 
 randombytes@^2.0.0, randombytes@^2.0.1, randombytes@^2.0.5:
   version "2.0.6"
@@ -4534,7 +4534,7 @@ read-pkg@^4.0.1:
 
 "readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.2.9, readable-stream@^2.3.3, readable-stream@^2.3.6:
   version "2.3.6"
-  resolved "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
+  resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.3"
@@ -4546,7 +4546,7 @@ read-pkg@^4.0.1:
 
 readable-stream@1.0:
   version "1.0.34"
-  resolved "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
+  resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.1"
@@ -4891,7 +4891,7 @@ setprototypeof@1.1.0:
 
 sha.js@^2.4.0, sha.js@^2.4.8:
   version "2.4.11"
-  resolved "http://registry.npmjs.org/sha.js/-/sha.js-2.4.11.tgz#37a5cf0b81ecbc6943de109ba2960d1b26584ae7"
+  resolved "https://registry.npmjs.org/sha.js/-/sha.js-2.4.11.tgz#37a5cf0b81ecbc6943de109ba2960d1b26584ae7"
   dependencies:
     inherits "^2.0.1"
     safe-buffer "^5.0.1"
@@ -5297,7 +5297,7 @@ through2@^2.0.0:
 
 through@^2.3.6:
   version "2.3.8"
-  resolved "http://registry.npmjs.org/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
+  resolved "https://registry.npmjs.org/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
 thunky@^1.0.2:
   version "1.0.2"
@@ -5519,10 +5519,10 @@ url-loader@^1.1.0:
     schema-utils "^1.0.0"
 
 url-parse@^1.1.8, url-parse@^1.4.3:
-  version "1.4.3"
-  resolved "https://registry.yarnpkg.com/url-parse/-/url-parse-1.4.3.tgz#bfaee455c889023219d757e045fa6a684ec36c15"
+  version "1.5.10"
+  resolved "https://registry.yarnpkg.com/url-parse/-/url-parse-1.5.10.tgz#9d3c2f736c1d75dd3bd2be507dcc111f1e2ea9c1"
   dependencies:
-    querystringify "^2.0.0"
+    querystringify "^2.1.1"
     requires-port "^1.0.0"
 
 url@^0.11.0:
@@ -5832,7 +5832,7 @@ worker-farm@^1.5.2:
 
 wrap-ansi@^2.0.0:
   version "2.1.0"
-  resolved "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
+  resolved "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
   dependencies:
     string-width "^1.0.1"
     strip-ansi "^3.0.1"