diff --git a/package.json b/package.json
index 69b8617..140c0f5 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "qiniu": "^6.1.10",
     "qn": "^1.2.0",
     "request": "^2.72.0",
-    "socket.io": "^1.4.6",
+    "socket.io": "^2.4.0",
     "underscore": "^1.8.3"
   },
   "devDependencies": {},
diff --git a/yarn.lock b/yarn.lock
index f7affd4..7852c1e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,15 +2,7 @@
 # yarn lockfile v1
 
 
-accepts@1.3.3:
-  version "1.3.3"
-  resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.3.tgz#c3ca7434938648c3e0d9c1e328dd68b622c284ca"
-  integrity sha1-w8p0NJOGSMPg2cHjKN1otiLChMo=
-  dependencies:
-    mime-types "~2.1.11"
-    negotiator "0.6.1"
-
-accepts@~1.3.7:
+accepts@~1.3.4, accepts@~1.3.7:
   version "1.3.7"
   resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.7.tgz#531bc726517a3b2b41f850021c6cc15eaab507cd"
   integrity sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==
@@ -67,10 +59,10 @@ array-flatten@1.1.1:
   resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-1.1.1.tgz#9a5f699051b1e7073328f2a008968b64ea2955d2"
   integrity sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=
 
-arraybuffer.slice@0.0.6:
-  version "0.0.6"
-  resolved "https://registry.yarnpkg.com/arraybuffer.slice/-/arraybuffer.slice-0.0.6.tgz#f33b2159f0532a3f3107a272c0ccfbd1ad2979ca"
-  integrity sha1-8zshWfBTKj8xB6JywMz70a0peco=
+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"
@@ -121,15 +113,15 @@ backo2@1.0.2:
   resolved "https://registry.yarnpkg.com/backo2/-/backo2-1.0.2.tgz#31ab1ac8b129363463e35b3ebb69f4dfcfba7947"
   integrity sha1-MasayLEpNjRj41s+u2n038+6eUc=
 
-base64-arraybuffer@0.1.5:
-  version "0.1.5"
-  resolved "https://registry.yarnpkg.com/base64-arraybuffer/-/base64-arraybuffer-0.1.5.tgz#73926771923b5a19747ad666aa5cd4bf9c6e9ce8"
-  integrity sha1-c5JncZI7Whl0etZmqlzUv5xunOg=
+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=
 
-base64id@1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/base64id/-/base64id-1.0.0.tgz#47688cb99bb6804f0e06d3e763b1c32e57d8e6b6"
-  integrity sha1-R2iMuZu2gE8OBtPnY7HDLlfY5rY=
+base64id@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/base64id/-/base64id-2.0.0.tgz#2770ac6bc47d312af97a8bf9a634342e0cd25cb6"
+  integrity sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog==
 
 bcrypt-pbkdf@^1.0.0:
   version "1.0.2"
@@ -138,17 +130,10 @@ bcrypt-pbkdf@^1.0.0:
   dependencies:
     tweetnacl "^0.14.3"
 
-better-assert@~1.0.0:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/better-assert/-/better-assert-1.0.2.tgz#40866b9e1b9e0b55b481894311e68faffaebc522"
-  integrity sha1-QIZrnhueC1W0gYlDEeaPr/rrxSI=
-  dependencies:
-    callsite "1.0.0"
-
-blob@0.0.4:
-  version "0.0.4"
-  resolved "https://registry.yarnpkg.com/blob/-/blob-0.0.4.tgz#bcf13052ca54463f30f9fc7e95b9a47630a94921"
-  integrity sha1-vPEwUspURj8w+fx+lbmkdjCpSSE=
+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@3.5.0:
   version "3.5.0"
@@ -206,11 +191,6 @@ bytes@3.1.0:
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.1.0.tgz#f6cf7933a360e0588fa9fde85651cdc7f805d1f6"
   integrity sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg==
 
-callsite@1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/callsite/-/callsite-1.0.0.tgz#280398e5d664bd74038b6f0905153e6e8af1bc20"
-  integrity sha1-KAOY5dZkvXQDi28JBRU+borxvCA=
-
 caseless@~0.11.0:
   version "0.11.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.11.0.tgz#715b96ea9841593cc33067923f5ec60ebda4f7d7"
@@ -238,16 +218,16 @@ component-bind@1.0.0:
   resolved "https://registry.yarnpkg.com/component-bind/-/component-bind-1.0.0.tgz#00c608ab7dcd93897c0009651b1d3a8e1e73bbd1"
   integrity sha1-AMYIq33Nk4l8AAllGx06jh5zu9E=
 
-component-emitter@1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.1.2.tgz#296594f2753daa63996d2af08d15a95116c9aec3"
-  integrity sha1-KWWU8nU9qmOZbSrwjRWpURbJrsM=
-
 component-emitter@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.2.1.tgz#137918d6d78283f7df7a6b7c5a63e140e69425e6"
   integrity sha1-E3kY1teCg/ffemt8WmPhQOaUJeY=
 
+component-emitter@~1.3.0:
+  version "1.3.0"
+  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"
@@ -293,16 +273,16 @@ cookie-signature@1.0.6:
   resolved "https://registry.yarnpkg.com/cookie-signature/-/cookie-signature-1.0.6.tgz#e303a882b342cc3ee8ca513a79999734dab3ae2c"
   integrity sha1-4wOogrNCzD7oylE6eZmXNNqzriw=
 
-cookie@0.3.1:
-  version "0.3.1"
-  resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.3.1.tgz#e7e0a1f9ef43b4c8ba925c5c5a96e806d16873bb"
-  integrity sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s=
-
 cookie@0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.4.0.tgz#beb437e7022b3b6d49019d088665303ebe9c14ba"
   integrity sha512-+Hp8fLp57wnUSt0tY0tHEXh4voZRDnoIrZPqlo3DPiI4y9lwg/jqx+1Om94/W6ZaPDOUbnjOt/99w66zk+l1Xg==
 
+cookie@~0.4.1:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.4.1.tgz#afd713fe26ebd21ba95ceb61f9a8116e50a537d1"
+  integrity sha512-ZwrFkGJxUR3EIoXtO+yVE69Eb7KlixbaeAWfBQB9vVsNn/o+Yw69gBWSSDK825hQNdN+wF8zELf3dFNl/kxkUA==
+
 copy-to@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/copy-to/-/copy-to-2.0.1.tgz#2680fbb8068a48d08656b6098092bdafc906f4a5"
@@ -349,21 +329,14 @@ debug@2.2.0:
   dependencies:
     ms "0.7.1"
 
-debug@2.3.3:
-  version "2.3.3"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-2.3.3.tgz#40c453e67e6e13c901ddec317af8986cda9eff8c"
-  integrity sha1-QMRT5n5uE8kB3ewxeviYbNqe/4w=
-  dependencies:
-    ms "0.7.2"
-
-debug@3.1.0:
+debug@3.1.0, 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"
 
-debug@4, debug@^4.1.1:
+debug@4, debug@^4.1.1, debug@~4.1.0:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/debug/-/debug-4.1.1.tgz#3b72260255109c6b589cee050f1d516139664791"
   integrity sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==
@@ -467,47 +440,45 @@ end-of-stream@^1.1.0:
   dependencies:
     once "^1.4.0"
 
-engine.io-client@~1.8.4:
-  version "1.8.5"
-  resolved "https://registry.yarnpkg.com/engine.io-client/-/engine.io-client-1.8.5.tgz#fe7fb60cb0dcf2fa2859489329cb5968dedeb11f"
-  integrity sha512-AYTgHyeVUPitsseqjoedjhYJapNVoSPShbZ+tEUX9/73jgZ/Z3sUlJf9oYgdEBBdVhupUpUqSxH0kBCXlQnmZg==
+engine.io-client@~3.5.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/engine.io-client/-/engine.io-client-3.5.0.tgz#fc1b4d9616288ce4f2daf06dcf612413dec941c7"
+  integrity sha512-12wPRfMrugVw/DNyJk34GQ5vIVArEcVMXWugQGGuw2XxUSztFNmJggZmv8IZlLyEdnpO1QB9LkcjeWewO2vxtA==
   dependencies:
-    component-emitter "1.2.1"
+    component-emitter "~1.3.0"
     component-inherit "0.0.3"
-    debug "2.3.3"
-    engine.io-parser "1.3.2"
+    debug "~3.1.0"
+    engine.io-parser "~2.2.0"
     has-cors "1.1.0"
     indexof "0.0.1"
-    parsejson "0.0.3"
-    parseqs "0.0.5"
-    parseuri "0.0.5"
-    ws "~1.1.5"
-    xmlhttprequest-ssl "1.5.3"
+    parseqs "0.0.6"
+    parseuri "0.0.6"
+    ws "~7.4.2"
+    xmlhttprequest-ssl "~1.5.4"
     yeast "0.1.2"
 
-engine.io-parser@1.3.2:
-  version "1.3.2"
-  resolved "https://registry.yarnpkg.com/engine.io-parser/-/engine.io-parser-1.3.2.tgz#937b079f0007d0893ec56d46cb220b8cb435220a"
-  integrity sha1-k3sHnwAH0Ik+xW1GyyILjLQ1Igo=
+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 "0.0.6"
-    base64-arraybuffer "0.1.5"
-    blob "0.0.4"
-    has-binary "0.1.7"
-    wtf-8 "1.0.0"
-
-engine.io@~1.8.4:
-  version "1.8.5"
-  resolved "https://registry.yarnpkg.com/engine.io/-/engine.io-1.8.5.tgz#4ebe5e75c6dc123dee4afdce6e5fdced21eb93f6"
-  integrity sha512-j1DWIcktw4hRwrv6nWx++5nFH2X64x16MAG2P0Lmi5Dvdfi3I+Jhc7JKJIdAmDJa+5aZ/imHV7dWRPy2Cqjh3A==
-  dependencies:
-    accepts "1.3.3"
-    base64id "1.0.0"
-    cookie "0.3.1"
-    debug "2.3.3"
-    engine.io-parser "1.3.2"
-    ws "~1.1.5"
+    arraybuffer.slice "~0.0.7"
+    base64-arraybuffer "0.1.4"
+    blob "0.0.5"
+    has-binary2 "~1.0.2"
+
+engine.io@~3.5.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/engine.io/-/engine.io-3.5.0.tgz#9d6b985c8a39b1fe87cd91eb014de0552259821b"
+  integrity sha512-21HlvPUKaitDGE4GXNtQ7PLP0Sz4aWLddMPw2VTyFz1FVZqu/kZsJUO8WNpKuE/OCL7nkfRaOui2ZCJloGznGA==
+  dependencies:
+    accepts "~1.3.4"
+    base64id "2.0.0"
+    cookie "~0.4.1"
+    debug "~4.1.0"
+    engine.io-parser "~2.2.0"
+    ws "~7.4.2"
 
 es6-promise@3.2.1:
   version "3.2.1"
@@ -757,12 +728,12 @@ har-validator@~5.1.0:
     ajv "^6.5.5"
     har-schema "^2.0.0"
 
-has-binary@0.1.7:
-  version "0.1.7"
-  resolved "https://registry.yarnpkg.com/has-binary/-/has-binary-0.1.7.tgz#68e61eb16210c9545a0a5cce06a873912fe1e68c"
-  integrity sha1-aOYesWIQyVRaClzOBqhzkS/h5ow=
+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 "0.0.1"
+    isarray "2.0.1"
 
 has-cors@1.1.0:
   version "1.1.0"
@@ -889,6 +860,11 @@ isarray@0.0.1:
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
   integrity sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=
 
+isarray@2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-2.0.1.tgz#a37d94ed9cda2d59865c9f76fe596ee1f338741e"
+  integrity sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4=
+
 isarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
@@ -919,11 +895,6 @@ json-stringify-safe@~5.0.1:
   resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
   integrity sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus=
 
-json3@3.3.2:
-  version "3.3.2"
-  resolved "https://registry.yarnpkg.com/json3/-/json3-3.3.2.tgz#3c0434743df93e2f5c42aee7b19bcb483575f4e1"
-  integrity sha1-PAQ0dD35Pi9cQq7nsZvLSDV19OE=
-
 jsprim@^1.2.2:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/jsprim/-/jsprim-1.4.1.tgz#313e66bc1e5cc06e438bc1b7499c2e5c56acb6a2"
@@ -984,7 +955,7 @@ mime-db@1.42.0:
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.42.0.tgz#3e252907b4c7adb906597b4b65636272cf9e7bac"
   integrity sha512-UbfJCR4UAVRNgMpfImz05smAXK7+c+ZntjaA26ANtkXLlOe947Aag5zdIcKQULAiF9Cq4WxBi9jUs5zkA84bYQ==
 
-mime-types@^2.1.12, mime-types@~2.1.11, mime-types@~2.1.19, mime-types@~2.1.24:
+mime-types@^2.1.12, mime-types@~2.1.19, mime-types@~2.1.24:
   version "2.1.25"
   resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.25.tgz#39772d46621f93e2a80a856c53b86a62156a6437"
   integrity sha512-5KhStqB5xpTAeGqKBAMgwaYMnQik7teQN4IAzC7npDv6kzeU6prfkR67bc87J1kWMPGkoaZSq1npmexMgkmEVg==
@@ -1101,11 +1072,6 @@ ms@0.7.1:
   resolved "https://registry.yarnpkg.com/ms/-/ms-0.7.1.tgz#9cd13c03adbff25b65effde7ce864ee952017098"
   integrity sha1-nNE8A62/8ltl7/3nzoZO6VIBcJg=
 
-ms@0.7.2:
-  version "0.7.2"
-  resolved "https://registry.yarnpkg.com/ms/-/ms-0.7.2.tgz#ae25cf2512b3885a1d95d7f037868d8431124765"
-  integrity sha1-riXPJRKziFodldfwN4aNhDESR2U=
-
 ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
@@ -1135,11 +1101,6 @@ mz@^2.7.0:
     object-assign "^4.0.1"
     thenify-all "^1.0.0"
 
-negotiator@0.6.1:
-  version "0.6.1"
-  resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
-  integrity sha1-KzJxhOiZIQEXeyhWP7XnECrNDKk=
-
 negotiator@0.6.2:
   version "0.6.2"
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
@@ -1160,21 +1121,11 @@ oauth-sign@~0.9.0:
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.9.0.tgz#47a7b016baa68b5fa0ecf3dee08a85c679ac6455"
   integrity sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ==
 
-object-assign@4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.0.tgz#7a3b3d0e98063d43f4c03f2e8ae6cd51a86883a0"
-  integrity sha1-ejs9DpgGPUP0wD8uiubNUahog6A=
-
 object-assign@^4.0.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
   integrity sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=
 
-object-component@0.0.3:
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/object-component/-/object-component-0.0.3.tgz#f0c69aa50efc95b866c186f400a33769cb2f1291"
-  integrity sha1-8MaapQ78lbhmwYb0AKM3acsvEpE=
-
 on-finished@~2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
@@ -1206,11 +1157,6 @@ optionator@^0.8.1:
     type-check "~0.3.2"
     word-wrap "~1.2.3"
 
-options@>=0.0.5:
-  version "0.0.6"
-  resolved "https://registry.yarnpkg.com/options/-/options-0.0.6.tgz#ec22d312806bb53e731773e7cdaefcf1c643128f"
-  integrity sha1-7CLTEoBrtT5zF3Pnza788cZDEo8=
-
 os-name@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/os-name/-/os-name-1.0.3.tgz#1b379f64835af7c5a7f498b357cb95215c159edf"
@@ -1251,26 +1197,15 @@ pac-resolver@^3.0.0:
     netmask "^1.0.6"
     thunkify "^2.1.2"
 
-parsejson@0.0.3:
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/parsejson/-/parsejson-0.0.3.tgz#ab7e3759f209ece99437973f7d0f1f64ae0e64ab"
-  integrity sha1-q343WfIJ7OmUN5c/fQ8fZK4OZKs=
-  dependencies:
-    better-assert "~1.0.0"
-
-parseqs@0.0.5:
-  version "0.0.5"
-  resolved "https://registry.yarnpkg.com/parseqs/-/parseqs-0.0.5.tgz#d5208a3738e46766e291ba2ea173684921a8b89d"
-  integrity sha1-1SCKNzjkZ2bikbouoXNoSSGouJ0=
-  dependencies:
-    better-assert "~1.0.0"
+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@0.0.5:
-  version "0.0.5"
-  resolved "https://registry.yarnpkg.com/parseuri/-/parseuri-0.0.5.tgz#80204a50d4dbb779bfdc6ebe2778d90e4bce320a"
-  integrity sha1-gCBKUNTbt3m/3G6+J3jZDkvOMgo=
-  dependencies:
-    better-assert "~1.0.0"
+parseuri@0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/parseuri/-/parseuri-0.0.6.tgz#e1496e829e3ac2ff47f39a4dd044b32823c4a25a"
+  integrity sha512-AUjen8sAkGgao7UyCX6Ahv0gIK2fABKmYjvP4xmy5JaKvcbTRueIqIPHLAfq30xJddqSE033IOMUSOMCcK3Sow==
 
 parseurl@~1.3.3:
   version "1.3.3"
@@ -1583,53 +1518,57 @@ smart-buffer@^4.1.0:
   resolved "https://registry.yarnpkg.com/smart-buffer/-/smart-buffer-4.1.0.tgz#91605c25d91652f4661ea69ccf45f1b331ca21ba"
   integrity sha512-iVICrxOzCynf/SNaBQCw34eM9jROU/s5rzIhpOvzhzuYHfJR/DhZfDkXiZSgKXfgv26HT3Yni3AV/DGw0cGnnw==
 
-socket.io-adapter@0.5.0:
-  version "0.5.0"
-  resolved "https://registry.yarnpkg.com/socket.io-adapter/-/socket.io-adapter-0.5.0.tgz#cb6d4bb8bec81e1078b99677f9ced0046066bb8b"
-  integrity sha1-y21LuL7IHhB4uZZ3+c7QBGBmu4s=
-  dependencies:
-    debug "2.3.3"
-    socket.io-parser "2.3.1"
+socket.io-adapter@~1.1.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/socket.io-adapter/-/socket.io-adapter-1.1.2.tgz#ab3f0d6f66b8fc7fca3959ab5991f82221789be9"
+  integrity sha512-WzZRUj1kUjrTIrUKpZLEzFZ1OLj5FwLlAFQs9kuZJzJi5DKdU7FsWc36SNmA8iDOtwBQyT8FkrriRM8vXLYz8g==
 
-socket.io-client@1.7.4:
-  version "1.7.4"
-  resolved "https://registry.yarnpkg.com/socket.io-client/-/socket.io-client-1.7.4.tgz#ec9f820356ed99ef6d357f0756d648717bdd4281"
-  integrity sha1-7J+CA1btme9tNX8HVtZIcXvdQoE=
+socket.io-client@2.4.0:
+  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 "1.2.1"
-    debug "2.3.3"
-    engine.io-client "~1.8.4"
-    has-binary "0.1.7"
+    component-emitter "~1.3.0"
+    debug "~3.1.0"
+    engine.io-client "~3.5.0"
+    has-binary2 "~1.0.2"
     indexof "0.0.1"
-    object-component "0.0.3"
-    parseuri "0.0.5"
-    socket.io-parser "2.3.1"
+    parseqs "0.0.6"
+    parseuri "0.0.6"
+    socket.io-parser "~3.3.0"
     to-array "0.1.4"
 
-socket.io-parser@2.3.1:
-  version "2.3.1"
-  resolved "https://registry.yarnpkg.com/socket.io-parser/-/socket.io-parser-2.3.1.tgz#dd532025103ce429697326befd64005fcfe5b4a0"
-  integrity sha1-3VMgJRA85Clpcya+/WQAX8/ltKA=
+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 "1.1.2"
-    debug "2.2.0"
-    isarray "0.0.1"
-    json3 "3.3.2"
+    component-emitter "~1.3.0"
+    debug "~3.1.0"
+    isarray "2.0.1"
+
+socket.io-parser@~3.4.0:
+  version "3.4.1"
+  resolved "https://registry.yarnpkg.com/socket.io-parser/-/socket.io-parser-3.4.1.tgz#b06af838302975837eab2dc980037da24054d64a"
+  integrity sha512-11hMgzL+WCLWf1uFtHSNvliI++tcRUWdoeYuwIl+Axvwy9z2gQM+7nJyN3STj1tLj5JyIUH8/gpDGxzAlDdi0A==
+  dependencies:
+    component-emitter "1.2.1"
+    debug "~4.1.0"
+    isarray "2.0.1"
 
-socket.io@^1.4.6:
-  version "1.7.4"
-  resolved "https://registry.yarnpkg.com/socket.io/-/socket.io-1.7.4.tgz#2f7ecedc3391bf2d5c73e291fe233e6e34d4dd00"
-  integrity sha1-L37O3DORvy1cc+KR/iM+bjTU3QA=
+socket.io@^2.4.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/socket.io/-/socket.io-2.4.0.tgz#01030a2727bd8eb2e85ea96d69f03692ee53d47e"
+  integrity sha512-9UPJ1UTvKayuQfVv2IQ3k7tCQC/fboDyIK62i99dAQIyHKaBsNdTpwHLgKJ6guRWxRtC9H+138UwpaGuQO9uWQ==
   dependencies:
-    debug "2.3.3"
-    engine.io "~1.8.4"
-    has-binary "0.1.7"
-    object-assign "4.1.0"
-    socket.io-adapter "0.5.0"
-    socket.io-client "1.7.4"
-    socket.io-parser "2.3.1"
+    debug "~4.1.0"
+    engine.io "~3.5.0"
+    has-binary2 "~1.0.2"
+    socket.io-adapter "~1.1.0"
+    socket.io-client "2.4.0"
+    socket.io-parser "~3.4.0"
 
 socks-proxy-agent@^4.0.1:
   version "4.0.2"
@@ -1793,11 +1732,6 @@ uid-safe@~2.1.5:
   dependencies:
     random-bytes "~1.0.0"
 
-ultron@1.0.x:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/ultron/-/ultron-1.0.2.tgz#ace116ab557cd197386a4e88f4685378c8b2e4fa"
-  integrity sha1-rOEWq1V80Zc4ak6I9GhTeMiy5Po=
-
 underscore@^1.8.3:
   version "1.9.1"
   resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.9.1.tgz#06dce34a0e68a7babc29b365b8e74b8925203961"
@@ -1915,23 +1849,15 @@ wrappy@1:
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
   integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
 
-ws@~1.1.5:
-  version "1.1.5"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-1.1.5.tgz#cbd9e6e75e09fc5d2c90015f21f0c40875e0dd51"
-  integrity sha512-o3KqipXNUdS7wpQzBHSe180lBGO60SoK0yVo3CYJgb2MkobuWuBX6dhkYP5ORCLd55y+SaflMOV5fqAB53ux4w==
-  dependencies:
-    options ">=0.0.5"
-    ultron "1.0.x"
-
-wtf-8@1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/wtf-8/-/wtf-8-1.0.0.tgz#392d8ba2d0f1c34d1ee2d630f15d0efb68e1048a"
-  integrity sha1-OS2LotDxw00e4tYw8V0O+2jhBIo=
+ws@~7.4.2:
+  version "7.4.2"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.2.tgz#782100048e54eb36fe9843363ab1c68672b261dd"
+  integrity sha512-T4tewALS3+qsrpGI/8dqNMLIVdq/g/85U98HPMa6F0m6xTbvhXU6RCQLqPH3+SlomNV/LdY6RXEbBpMH6EOJnA==
 
-xmlhttprequest-ssl@1.5.3:
-  version "1.5.3"
-  resolved "https://registry.yarnpkg.com/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.3.tgz#185a888c04eca46c3e4070d99f7b49de3528992d"
-  integrity sha1-GFqIjATspGw+QHDZn3tJ3jUomS0=
+xmlhttprequest-ssl@~1.5.4:
+  version "1.5.5"
+  resolved "https://registry.yarnpkg.com/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.5.tgz#c2876b06168aadc40e57d97e81191ac8f4398b3e"
+  integrity sha1-wodrBhaKrcQOV9l+gRkayPQ5iz4=
 
 xregexp@2.0.0:
   version "2.0.0"