diff --git a/client/yarn.lock b/client/yarn.lock
index 0c40d00..d74704b 100644
--- a/client/yarn.lock
+++ b/client/yarn.lock
@@ -37,6 +37,11 @@ acorn@^5.0.0, acorn@^5.3.0:
   resolved "https://registry.npm.taobao.org/acorn/download/acorn-5.7.3.tgz#67aa231bf8812974b85235a96771eb6bd07ea279"
   integrity sha1-Z6ojG/iBKXS4UjWpZ3Hra9B+onk=
 
+after@0.8.2:
+  version "0.8.2"
+  resolved "https://registry.yarnpkg.com/after/-/after-0.8.2.tgz#fedb394f9f0e02aa9768e702bda23b505fae7e1f"
+  integrity sha1-/ts5T58OAqqXaOcCvaI7UF+ufh8=
+
 ajv-keywords@^3.1.0:
   version "3.4.1"
   resolved "https://registry.npm.taobao.org/ajv-keywords/download/ajv-keywords-3.4.1.tgz#ef916e271c64ac12171fd8384eaae6b2345854da"
@@ -194,6 +199,11 @@ array-unique@^0.3.2:
   resolved "https://registry.npm.taobao.org/array-unique/download/array-unique-0.3.2.tgz#a894b75d4bc4f6cd679ef3244a9fd8f46ae2d428"
   integrity sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=
 
+arraybuffer.slice@~0.0.7:
+  version "0.0.7"
+  resolved "https://registry.yarnpkg.com/arraybuffer.slice/-/arraybuffer.slice-0.0.7.tgz#3bbc4275dd584cc1b10809b89d4e8b63a69e7675"
+  integrity sha512-wGUIVQXuehL5TCqQun8OW81jGzAWycqzFF8lFp+GOM5BXLYj3bKNsYC4daB7n6XjCqxQA/qgTJ+8ANR3acjrog==
+
 asap@~2.0.3:
   version "2.0.6"
   resolved "https://registry.npm.taobao.org/asap/download/asap-2.0.6.tgz#e50347611d7e690943208bbdafebcbc2fb866d46"
@@ -946,6 +956,11 @@ babylon@^6.18.0:
   resolved "https://registry.npm.taobao.org/babylon/download/babylon-6.18.0.tgz#af2f3b88fa6f5c1e4c634d1a0f8eac4f55b395e3"
   integrity sha1-ry87iPpvXB5MY00aD46sT1WzleM=
 
+backo2@1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/backo2/-/backo2-1.0.2.tgz#31ab1ac8b129363463e35b3ebb69f4dfcfba7947"
+  integrity sha1-MasayLEpNjRj41s+u2n038+6eUc=
+
 balanced-match@^0.4.2:
   version "0.4.2"
   resolved "https://registry.npm.taobao.org/balanced-match/download/balanced-match-0.4.2.tgz#cb3f3e3c732dc0f01ee70b403f302e61d7709838"
@@ -956,6 +971,11 @@ balanced-match@^1.0.0:
   resolved "https://registry.npm.taobao.org/balanced-match/download/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
   integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
 
+base64-arraybuffer@0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/base64-arraybuffer/-/base64-arraybuffer-0.1.4.tgz#9818c79e059b1355f97e0428a017c838e90ba812"
+  integrity sha1-mBjHngWbE1X5fgQooBfIOOkLqBI=
+
 base64-js@^1.0.2:
   version "1.3.1"
   resolved "https://registry.npm.taobao.org/base64-js/download/base64-js-1.3.1.tgz#58ece8cb75dd07e71ed08c736abc5fac4dbf8df1"
@@ -1010,6 +1030,11 @@ binary-extensions@^1.0.0:
   resolved "https://registry.npm.taobao.org/binary-extensions/download/binary-extensions-1.13.1.tgz#598afe54755b2868a5330d2aff9d4ebb53209b65"
   integrity sha1-WYr+VHVbKGilMw0q/51Ou1Mgm2U=
 
+blob@0.0.5:
+  version "0.0.5"
+  resolved "https://registry.yarnpkg.com/blob/-/blob-0.0.5.tgz#d680eeef25f8cd91ad533f5b01eed48e64caf683"
+  integrity sha512-gaqbzQPqOoamawKg0LGVd7SzLgXS+JH61oWprSLH+P+abTczqJbhTR8CmJ2u9/bUYNmHTGJx/UEmn6doAvvuig==
+
 bluebird@^3.1.1, bluebird@^3.4.7, bluebird@^3.5.1:
   version "3.7.1"
   resolved "https://registry.npm.taobao.org/bluebird/download/bluebird-3.7.1.tgz#df70e302b471d7473489acf26a93d63b53f874de"
@@ -1597,10 +1622,20 @@ commondir@^1.0.1:
   resolved "https://registry.npm.taobao.org/commondir/download/commondir-1.0.1.tgz#ddd800da0c66127393cca5950ea968a3aaf1253b"
   integrity sha1-3dgA2gxmEnOTzKWVDqloo6rxJTs=
 
-component-emitter@^1.2.1:
+component-bind@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/component-bind/-/component-bind-1.0.0.tgz#00c608ab7dcd93897c0009651b1d3a8e1e73bbd1"
+  integrity sha1-AMYIq33Nk4l8AAllGx06jh5zu9E=
+
+component-emitter@^1.2.1, component-emitter@~1.3.0:
   version "1.3.0"
-  resolved "https://registry.npm.taobao.org/component-emitter/download/component-emitter-1.3.0.tgz#16e4070fba8ae29b679f2215853ee181ab2eabc0"
-  integrity sha1-FuQHD7qK4ptnnyIVhT7hgasuq8A=
+  resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.3.0.tgz#16e4070fba8ae29b679f2215853ee181ab2eabc0"
+  integrity sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg==
+
+component-inherit@0.0.3:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/component-inherit/-/component-inherit-0.0.3.tgz#645fc4adf58b72b649d5cae65135619db26ff143"
+  integrity sha1-ZF/ErfWLcrZJ1crmUTVhnbJv8UM=
 
 compressible@~2.0.16:
   version "2.0.17"
@@ -2105,6 +2140,13 @@ debug@^4.1.0:
   dependencies:
     ms "^2.1.1"
 
+debug@~3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
+  integrity sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==
+  dependencies:
+    ms "2.0.0"
+
 decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
   version "1.2.0"
   resolved "https://registry.npm.taobao.org/decamelize/download/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
@@ -2387,6 +2429,34 @@ end-of-stream@^1.0.0, end-of-stream@^1.1.0:
   dependencies:
     once "^1.4.0"
 
+engine.io-client@~3.5.0:
+  version "3.5.2"
+  resolved "https://registry.yarnpkg.com/engine.io-client/-/engine.io-client-3.5.2.tgz#0ef473621294004e9ceebe73cef0af9e36f2f5fa"
+  integrity sha512-QEqIp+gJ/kMHeUun7f5Vv3bteRHppHH/FMBQX/esFj/fuYfjyUKWGMo3VCvIP/V8bE9KcjHmRZrhIz2Z9oNsDA==
+  dependencies:
+    component-emitter "~1.3.0"
+    component-inherit "0.0.3"
+    debug "~3.1.0"
+    engine.io-parser "~2.2.0"
+    has-cors "1.1.0"
+    indexof "0.0.1"
+    parseqs "0.0.6"
+    parseuri "0.0.6"
+    ws "~7.4.2"
+    xmlhttprequest-ssl "~1.6.2"
+    yeast "0.1.2"
+
+engine.io-parser@~2.2.0:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/engine.io-parser/-/engine.io-parser-2.2.1.tgz#57ce5611d9370ee94f99641b589f94c97e4f5da7"
+  integrity sha512-x+dN/fBH8Ro8TFwJ+rkB2AmuVw9Yu2mockR/p3W8f8YtExwFgDvBDi0GWyb4ZLkpahtDGZgtr3zLovanJghPqg==
+  dependencies:
+    after "0.8.2"
+    arraybuffer.slice "~0.0.7"
+    base64-arraybuffer "0.1.4"
+    blob "0.0.5"
+    has-binary2 "~1.0.2"
+
 enhanced-resolve@^3.4.0:
   version "3.4.1"
   resolved "https://registry.npm.taobao.org/enhanced-resolve/download/enhanced-resolve-3.4.1.tgz#0421e339fd71419b3da13d129b3979040230476e"
@@ -3060,6 +3130,18 @@ has-ansi@^2.0.0:
   dependencies:
     ansi-regex "^2.0.0"
 
+has-binary2@~1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/has-binary2/-/has-binary2-1.0.3.tgz#7776ac627f3ea77250cfc332dab7ddf5e4f5d11d"
+  integrity sha512-G1LWKhDSvhGeAQ8mPVQlqNcOB2sJdwATtZKl2pDKKHfpf/rYj24lkinxf69blJbnsvtqqNU+L3SL50vzZhXOnw==
+  dependencies:
+    isarray "2.0.1"
+
+has-cors@1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/has-cors/-/has-cors-1.1.0.tgz#5e474793f7ea9843d1bb99c23eef49ff126fff39"
+  integrity sha1-XkdHk/fqmEPRu5nCPu9J/xJv/zk=
+
 has-flag@^1.0.0:
   version "1.0.0"
   resolved "https://registry.npm.taobao.org/has-flag/download/has-flag-1.0.0.tgz#9d9e793165ce017a00f00418c43f942a7b1d11fa"
@@ -3426,6 +3508,11 @@ indexes-of@^1.0.1:
   resolved "https://registry.npm.taobao.org/indexes-of/download/indexes-of-1.0.1.tgz#f30f716c8e2bd346c7b67d3df3915566a7c05607"
   integrity sha1-8w9xbI4r00bHtn0985FVZqfAVgc=
 
+indexof@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/indexof/-/indexof-0.0.1.tgz#82dc336d232b9062179d05ab3293a66059fd435d"
+  integrity sha1-gtwzbSMrkGIXnQWrMpOmYFn9Q10=
+
 inflight@^1.0.4:
   version "1.0.6"
   resolved "https://registry.npm.taobao.org/inflight/download/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
@@ -3749,6 +3836,11 @@ isarray@1.0.0, isarray@^1.0.0, isarray@~1.0.0:
   resolved "https://registry.npm.taobao.org/isarray/download/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
   integrity sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=
 
+isarray@2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-2.0.1.tgz#a37d94ed9cda2d59865c9f76fe596ee1f338741e"
+  integrity sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4=
+
 isexe@^2.0.0:
   version "2.0.0"
   resolved "https://registry.npm.taobao.org/isexe/download/isexe-2.0.0.tgz#e8fbf374dc556ff8947a10dcb0572d633f2cfa10"
@@ -4810,6 +4902,16 @@ parse-json@^4.0.0:
     error-ex "^1.3.1"
     json-parse-better-errors "^1.0.1"
 
+parseqs@0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/parseqs/-/parseqs-0.0.6.tgz#8e4bb5a19d1cdc844a08ac974d34e273afa670d5"
+  integrity sha512-jeAGzMDbfSHHA091hr0r31eYfTig+29g3GKKE/PPbEQ65X0lmMwlEoqmhzu0iztID5uJpZsFlUPDP8ThPL7M8w==
+
+parseuri@0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/parseuri/-/parseuri-0.0.6.tgz#e1496e829e3ac2ff47f39a4dd044b32823c4a25a"
+  integrity sha512-AUjen8sAkGgao7UyCX6Ahv0gIK2fABKmYjvP4xmy5JaKvcbTRueIqIPHLAfq30xJddqSE033IOMUSOMCcK3Sow==
+
 parseurl@~1.3.2, parseurl@~1.3.3:
   version "1.3.3"
   resolved "https://registry.npm.taobao.org/parseurl/download/parseurl-1.3.3.tgz#9da19e7bee8d12dff0513ed5b76957793bc2e8d4"
@@ -5698,9 +5800,9 @@ querystring@0.2.0:
   integrity sha1-sgmEkgO7Jd+CDadW50cAWHhSFiA=
 
 querystringify@^2.1.1:
-  version "2.1.1"
-  resolved "https://registry.npm.taobao.org/querystringify/download/querystringify-2.1.1.tgz#60e5a5fd64a7f8bfa4d2ab2ed6fdf4c85bad154e"
-  integrity sha1-YOWl/WSn+L+k0qsu1v30yFutFU4=
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/querystringify/-/querystringify-2.2.0.tgz#3345941b4153cb9d082d8eee4cda2016a9aef7f6"
+  integrity sha512-FIqgj2EUvTa7R50u0rGsyTftzjYmv/a3hO345bZNrqabNqjtgiDMgmo4mkUjd+nzU5oF3dClKqFIPUKybUyqoQ==
 
 randombytes@^2.0.0, randombytes@^2.0.1, randombytes@^2.0.5:
   version "2.1.0"
@@ -5997,7 +6099,7 @@ require-main-filename@^1.0.1:
 
 requires-port@^1.0.0:
   version "1.0.0"
-  resolved "https://registry.npm.taobao.org/requires-port/download/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"
+  resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"
   integrity sha1-kl0mAdOaxIXgkc8NpcbmlNw9yv8=
 
 resolve-cwd@^2.0.0:
@@ -6305,6 +6407,32 @@ sntp@1.x.x:
   dependencies:
     hoek "2.x.x"
 
+socket.io-client@^2.1.1:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/socket.io-client/-/socket.io-client-2.4.0.tgz#aafb5d594a3c55a34355562fc8aea22ed9119a35"
+  integrity sha512-M6xhnKQHuuZd4Ba9vltCLT9oa+YvTsP8j9NcEiLElfIg8KeYPyhWOes6x4t+LTAC8enQbE/995AdTem2uNyKKQ==
+  dependencies:
+    backo2 "1.0.2"
+    component-bind "1.0.0"
+    component-emitter "~1.3.0"
+    debug "~3.1.0"
+    engine.io-client "~3.5.0"
+    has-binary2 "~1.0.2"
+    indexof "0.0.1"
+    parseqs "0.0.6"
+    parseuri "0.0.6"
+    socket.io-parser "~3.3.0"
+    to-array "0.1.4"
+
+socket.io-parser@~3.3.0:
+  version "3.3.2"
+  resolved "https://registry.yarnpkg.com/socket.io-parser/-/socket.io-parser-3.3.2.tgz#ef872009d0adcf704f2fbe830191a14752ad50b6"
+  integrity sha512-FJvDBuOALxdCI9qwRrO/Rfp9yfndRtc1jSgVgV8FDraihmSP/MLGD5PEuJrNfjALvcQ+vMDM/33AWOYP/JSjDg==
+  dependencies:
+    component-emitter "~1.3.0"
+    debug "~3.1.0"
+    isarray "2.0.1"
+
 sockjs-client@1.1.5:
   version "1.1.5"
   resolved "https://registry.npm.taobao.org/sockjs-client/download/sockjs-client-1.1.5.tgz#1bb7c0f7222c40f42adf14f4442cbd1269771a83"
@@ -6730,6 +6858,11 @@ timsort@^0.3.0:
   resolved "https://registry.npm.taobao.org/timsort/download/timsort-0.3.0.tgz#405411a8e7e6339fe64db9a234de11dc31e02bd4"
   integrity sha1-QFQRqOfmM5/mTbmiNN4R3DHgK9Q=
 
+to-array@0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/to-array/-/to-array-0.1.4.tgz#17e6c11f73dd4f3d74cda7a4ff3238e9ad9bf890"
+  integrity sha1-F+bBH3PdTz10zaek/zI46a2b+JA=
+
 to-arraybuffer@^1.0.0:
   version "1.0.1"
   resolved "https://registry.npm.taobao.org/to-arraybuffer/download/to-arraybuffer-1.0.1.tgz#7d229b1fcc637e466ca081180836a7aabff83f43"
@@ -6947,9 +7080,9 @@ url-loader@^0.5.8:
     mime "1.3.x"
 
 url-parse@^1.1.8, url-parse@^1.4.3:
-  version "1.4.7"
-  resolved "https://registry.npm.taobao.org/url-parse/download/url-parse-1.4.7.tgz#a8a83535e8c00a316e403a5db4ac1b9b853ae278"
-  integrity sha1-qKg1NejACjFuQDpdtKwbm4U64ng=
+  version "1.5.7"
+  resolved "https://registry.yarnpkg.com/url-parse/-/url-parse-1.5.7.tgz#00780f60dbdae90181f51ed85fb24109422c932a"
+  integrity sha512-HxWkieX+STA38EDk7CE9MEryFeHCKzgagxlGvsdS7WBImq9Mk+PGwiT56w82WI3aicwJA8REp42Cxo98c8FZMA==
   dependencies:
     querystringify "^2.1.1"
     requires-port "^1.0.0"
@@ -7041,6 +7174,11 @@ vm-browserify@^1.0.1:
   resolved "https://registry.npm.taobao.org/vm-browserify/download/vm-browserify-1.1.0.tgz#bd76d6a23323e2ca8ffa12028dc04559c75f9019"
   integrity sha1-vXbWojMj4sqP+hICjcBFWcdfkBk=
 
+vue-draggable-resizable@^2.1.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/vue-draggable-resizable/-/vue-draggable-resizable-2.3.0.tgz#94c433ca748bc1a4d0959ba1c5c0e1c3536cee5b"
+  integrity sha512-77CLRj1TPwB30pwsjOf3pkd1UzYanCdKXbqhILJ0Oo5QQl50lvBfyQCXxMFzwWwTc3sbBbQH3FfWSV+BkoSElA==
+
 vue-hot-reload-api@^2.2.0:
   version "2.3.4"
   resolved "https://registry.npm.taobao.org/vue-hot-reload-api/download/vue-hot-reload-api-2.3.4.tgz#532955cc1eb208a3d990b3a9f9a70574657e08f2"
@@ -7070,6 +7208,13 @@ vue-router@^3.0.1:
   resolved "https://registry.npm.taobao.org/vue-router/download/vue-router-3.1.3.tgz#e6b14fabc0c0ee9fda0e2cbbda74b350e28e412b"
   integrity sha1-5rFPq8DA7p/aDiy72nSzUOKOQSs=
 
+vue-socket.io@^3.0.7:
+  version "3.0.10"
+  resolved "https://registry.yarnpkg.com/vue-socket.io/-/vue-socket.io-3.0.10.tgz#76135bf5043baf484c648636a7a9822b4c11c084"
+  integrity sha512-XGYjD30Q9xAeHpBnp2SU+ljEe59qpGKaAQe4VOO9ezuly09MlzrT2ZZPJu3BVFpQwKdjQDz1I2fV9r4YjlZDCA==
+  dependencies:
+    socket.io-client "^2.1.1"
+
 vue-style-loader@^3.0.0, vue-style-loader@^3.0.1:
   version "3.1.2"
   resolved "https://registry.npm.taobao.org/vue-style-loader/download/vue-style-loader-3.1.2.tgz#6b66ad34998fc9520c2f1e4d5fa4091641c1597a"
@@ -7296,6 +7441,16 @@ ws@^4.0.0:
     async-limiter "~1.0.0"
     safe-buffer "~5.1.0"
 
+ws@~7.4.2:
+  version "7.4.6"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.6.tgz#5654ca8ecdeee47c33a9a4bf6d28e2be2980377c"
+  integrity sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==
+
+xmlhttprequest-ssl@~1.6.2:
+  version "1.6.3"
+  resolved "https://registry.yarnpkg.com/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.6.3.tgz#03b713873b01659dfa2c1c5d056065b27ddc2de6"
+  integrity sha512-3XfeQE/wNkvrIktn2Kf0869fC0BN6UpydVasGIeSm2B1Llihf7/0UfZM+eCkOw3P7bP4+qPgqhm7ZoxuJtFU0Q==
+
 xtend@^4.0.0, xtend@~4.0.1:
   version "4.0.2"
   resolved "https://registry.npm.taobao.org/xtend/download/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"
@@ -7382,3 +7537,8 @@ yargs@~3.10.0:
     cliui "^2.1.0"
     decamelize "^1.0.0"
     window-size "0.1.0"
+
+yeast@0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/yeast/-/yeast-0.1.2.tgz#008e06d8094320c372dbc2f8ed76a0ca6c8ac419"
+  integrity sha1-AI4G2AlDIMNy28L47XagymyKxBk=