diff --git a/package-lock.json b/package-lock.json
index 3f3280a..d99af93 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
     },
     "after": {
       "version": "0.8.2",
-      "resolved": "http://registry.npm.taobao.org/after/download/after-0.8.2.tgz",
+      "resolved": "https://registry.npmjs.org/after/-/after-0.8.2.tgz",
       "integrity": "sha1-/ts5T58OAqqXaOcCvaI7UF+ufh8="
     },
     "ajv": {
@@ -41,8 +41,8 @@
     },
     "arraybuffer.slice": {
       "version": "0.0.7",
-      "resolved": "http://registry.npm.taobao.org/arraybuffer.slice/download/arraybuffer.slice-0.0.7.tgz",
-      "integrity": "sha1-O7xCdd1YTMGxCAm4nU6LY6aednU="
+      "resolved": "https://registry.npmjs.org/arraybuffer.slice/-/arraybuffer.slice-0.0.7.tgz",
+      "integrity": "sha512-wGUIVQXuehL5TCqQun8OW81jGzAWycqzFF8lFp+GOM5BXLYj3bKNsYC4daB7n6XjCqxQA/qgTJ+8ANR3acjrog=="
     },
     "asmcrypto.js": {
       "version": "2.3.2",
@@ -80,11 +80,6 @@
         "lodash": "4.17.11"
       }
     },
-    "async-limiter": {
-      "version": "1.0.0",
-      "resolved": "http://registry.npm.taobao.org/async-limiter/download/async-limiter-1.0.0.tgz",
-      "integrity": "sha1-ePrtjD0HSrgfIrTphdeehzj3IPg="
-    },
     "asynckit": {
       "version": "0.4.0",
       "resolved": "http://registry.npm.taobao.org/asynckit/download/asynckit-0.4.0.tgz",
@@ -111,7 +106,7 @@
     },
     "backo2": {
       "version": "1.0.2",
-      "resolved": "http://registry.npm.taobao.org/backo2/download/backo2-1.0.2.tgz",
+      "resolved": "https://registry.npmjs.org/backo2/-/backo2-1.0.2.tgz",
       "integrity": "sha1-MasayLEpNjRj41s+u2n038+6eUc="
     },
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@@ -128,14 +123,14 @@
       }
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     "base64-arraybuffer": {
-      "version": "0.1.5",
-      "resolved": "http://registry.npm.taobao.org/base64-arraybuffer/download/base64-arraybuffer-0.1.5.tgz",
-      "integrity": "sha1-c5JncZI7Whl0etZmqlzUv5xunOg="
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.4.tgz",
+      "integrity": "sha1-mBjHngWbE1X5fgQooBfIOOkLqBI="
     },
     "base64id": {
-      "version": "1.0.0",
-      "resolved": "http://registry.npm.taobao.org/base64id/download/base64id-1.0.0.tgz",
-      "integrity": "sha1-R2iMuZu2gE8OBtPnY7HDLlfY5rY="
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/base64id/-/base64id-2.0.0.tgz",
+      "integrity": "sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog=="
     },
     "bcrypt-pbkdf": {
       "version": "1.0.2",
@@ -145,14 +140,6 @@
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       }
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-    "better-assert": {
-      "version": "1.0.2",
-      "resolved": "http://registry.npm.taobao.org/better-assert/download/better-assert-1.0.2.tgz",
-      "integrity": "sha1-QIZrnhueC1W0gYlDEeaPr/rrxSI=",
-      "requires": {
-        "callsite": "1.0.0"
-      }
-    },
     "bigi": {
       "version": "1.4.2",
       "resolved": "http://registry.npm.taobao.org/bigi/download/bigi-1.4.2.tgz",
@@ -211,8 +198,8 @@
     },
     "blob": {
       "version": "0.0.5",
-      "resolved": "http://registry.npm.taobao.org/blob/download/blob-0.0.5.tgz",
-      "integrity": "sha1-1oDu7yX4zZGtUz9bAe7UjmTK9oM="
+      "resolved": "https://registry.npmjs.org/blob/-/blob-0.0.5.tgz",
+      "integrity": "sha512-gaqbzQPqOoamawKg0LGVd7SzLgXS+JH61oWprSLH+P+abTczqJbhTR8CmJ2u9/bUYNmHTGJx/UEmn6doAvvuig=="
     },
     "bn.js": {
       "version": "4.11.8",
@@ -350,11 +337,6 @@
       "resolved": "http://registry.npm.taobao.org/bytes/download/bytes-3.0.0.tgz",
       "integrity": "sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg="
     },
-    "callsite": {
-      "version": "1.0.0",
-      "resolved": "http://registry.npm.taobao.org/callsite/download/callsite-1.0.0.tgz",
-      "integrity": "sha1-KAOY5dZkvXQDi28JBRU+borxvCA="
-    },
     "camel-case": {
       "version": "3.0.0",
       "resolved": "http://registry.npm.taobao.org/camel-case/download/camel-case-3.0.0.tgz",
@@ -409,17 +391,17 @@
     },
     "component-bind": {
       "version": "1.0.0",
-      "resolved": "http://registry.npm.taobao.org/component-bind/download/component-bind-1.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/component-bind/-/component-bind-1.0.0.tgz",
       "integrity": "sha1-AMYIq33Nk4l8AAllGx06jh5zu9E="
     },
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-      "version": "1.2.1",
-      "resolved": "http://registry.npm.taobao.org/component-emitter/download/component-emitter-1.2.1.tgz",
-      "integrity": "sha1-E3kY1teCg/ffemt8WmPhQOaUJeY="
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.0.tgz",
+      "integrity": "sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg=="
     },
     "component-inherit": {
       "version": "0.0.3",
-      "resolved": "http://registry.npm.taobao.org/component-inherit/download/component-inherit-0.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/component-inherit/-/component-inherit-0.0.3.tgz",
       "integrity": "sha1-ZF/ErfWLcrZJ1crmUTVhnbJv8UM="
     },
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@@ -657,50 +639,60 @@
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-      "version": "3.3.2",
-      "resolved": "http://registry.npm.taobao.org/engine.io/download/engine.io-3.3.2.tgz",
-      "integrity": "sha1-GMvItvNulGHFwPgd8rgw3hYFilk=",
-      "requires": {
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-        "base64id": "1.0.0",
-        "cookie": "0.3.1",
-        "debug": "3.1.0",
-        "engine.io-parser": "2.1.3",
-        "ws": "6.1.4"
+      "version": "3.5.0",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-3.5.0.tgz",
+      "integrity": "sha512-21HlvPUKaitDGE4GXNtQ7PLP0Sz4aWLddMPw2VTyFz1FVZqu/kZsJUO8WNpKuE/OCL7nkfRaOui2ZCJloGznGA==",
+      "requires": {
+        "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"
       },
       "dependencies": {
+        "cookie": {
+          "version": "0.4.1",
+          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.1.tgz",
+          "integrity": "sha512-ZwrFkGJxUR3EIoXtO+yVE69Eb7KlixbaeAWfBQB9vVsNn/o+Yw69gBWSSDK825hQNdN+wF8zELf3dFNl/kxkUA=="
+        },
         "debug": {
-          "version": "3.1.0",
-          "resolved": "http://registry.npm.taobao.org/debug/download/debug-3.1.0.tgz",
-          "integrity": "sha1-W7WgZyYotkFJVmuhaBnmFRjGcmE=",
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
           "requires": {
-            "ms": "2.0.0"
+            "ms": "^2.1.1"
           }
+        },
+        "ms": {
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
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     },
     "engine.io-client": {
-      "version": "3.3.2",
-      "resolved": "http://registry.npm.taobao.org/engine.io-client/download/engine.io-client-3.3.2.tgz",
-      "integrity": "sha1-BOBoeY11vtoUN1omS7PXQte8M6o=",
+      "version": "3.5.0",
+      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-3.5.0.tgz",
+      "integrity": "sha512-12wPRfMrugVw/DNyJk34GQ5vIVArEcVMXWugQGGuw2XxUSztFNmJggZmv8IZlLyEdnpO1QB9LkcjeWewO2vxtA==",
       "requires": {
-        "component-emitter": "1.2.1",
+        "component-emitter": "~1.3.0",
         "component-inherit": "0.0.3",
-        "debug": "3.1.0",
-        "engine.io-parser": "2.1.3",
+        "debug": "~3.1.0",
+        "engine.io-parser": "~2.2.0",
         "has-cors": "1.1.0",
         "indexof": "0.0.1",
-        "parseqs": "0.0.5",
-        "parseuri": "0.0.5",
-        "ws": "6.1.4",
-        "xmlhttprequest-ssl": "1.5.5",
+        "parseqs": "0.0.6",
+        "parseuri": "0.0.6",
+        "ws": "~7.4.2",
+        "xmlhttprequest-ssl": "~1.5.4",
         "yeast": "0.1.2"
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           "version": "3.1.0",
-          "resolved": "http://registry.npm.taobao.org/debug/download/debug-3.1.0.tgz",
-          "integrity": "sha1-W7WgZyYotkFJVmuhaBnmFRjGcmE=",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
           "requires": {
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@@ -708,15 +700,15 @@
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-      "version": "2.1.3",
-      "resolved": "http://registry.npm.taobao.org/engine.io-parser/download/engine.io-parser-2.1.3.tgz",
-      "integrity": "sha1-dXq5cPvy37Mse3SwMyFtVznveaY=",
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-2.2.1.tgz",
+      "integrity": "sha512-x+dN/fBH8Ro8TFwJ+rkB2AmuVw9Yu2mockR/p3W8f8YtExwFgDvBDi0GWyb4ZLkpahtDGZgtr3zLovanJghPqg==",
       "requires": {
         "after": "0.8.2",
-        "arraybuffer.slice": "0.0.7",
-        "base64-arraybuffer": "0.1.5",
+        "arraybuffer.slice": "~0.0.7",
+        "base64-arraybuffer": "0.1.4",
         "blob": "0.0.5",
-        "has-binary2": "1.0.3"
+        "has-binary2": "~1.0.2"
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@@ -982,22 +974,22 @@
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-      "resolved": "http://registry.npm.taobao.org/has-binary2/download/has-binary2-1.0.3.tgz",
-      "integrity": "sha1-d3asYn8+p3JQz8My2rfd9eT10R0=",
+      "resolved": "https://registry.npmjs.org/has-binary2/-/has-binary2-1.0.3.tgz",
+      "integrity": "sha512-G1LWKhDSvhGeAQ8mPVQlqNcOB2sJdwATtZKl2pDKKHfpf/rYj24lkinxf69blJbnsvtqqNU+L3SL50vzZhXOnw==",
       "requires": {
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       },
       "dependencies": {
         "isarray": {
           "version": "2.0.1",
-          "resolved": "http://registry.npm.taobao.org/isarray/download/isarray-2.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
           "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4="
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     "has-cors": {
       "version": "1.1.0",
-      "resolved": "http://registry.npm.taobao.org/has-cors/download/has-cors-1.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/has-cors/-/has-cors-1.1.0.tgz",
       "integrity": "sha1-XkdHk/fqmEPRu5nCPu9J/xJv/zk="
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@@ -1069,7 +1061,7 @@
     },
     "indexof": {
       "version": "0.0.1",
-      "resolved": "http://registry.npm.taobao.org/indexof/download/indexof-0.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/indexof/-/indexof-0.0.1.tgz",
       "integrity": "sha1-gtwzbSMrkGIXnQWrMpOmYFn9Q10="
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     "inflight": {
@@ -1165,6 +1157,7 @@
         },
         "concat-stream": {
           "version": "github:hugomrdias/concat-stream#057bc7b5d6d8df26c8cf00a3f151b6721a0a8034",
+          "from": "github:hugomrdias/concat-stream#057bc7b5d6d8df26c8cf00a3f151b6721a0a8034",
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@@ -1706,6 +1699,7 @@
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     "ndjson": {
       "version": "github:hugomrdias/ndjson#4db16da6b42e5b39bf300c3a7cde62abb3fa3a11",
+      "from": "github:hugomrdias/ndjson#4db16da6b42e5b39bf300c3a7cde62abb3fa3a11",
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@@ -1781,11 +1775,6 @@
       "resolved": "http://registry.npm.taobao.org/object-assign/download/object-assign-4.1.1.tgz",
       "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM="
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-    "object-component": {
-      "version": "0.0.3",
-      "resolved": "http://registry.npm.taobao.org/object-component/download/object-component-0.0.3.tgz",
-      "integrity": "sha1-8MaapQ78lbhmwYb0AKM3acsvEpE="
-    },
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       "resolved": "http://registry.npm.taobao.org/object-keys/download/object-keys-1.1.1.tgz",
@@ -1816,20 +1805,14 @@
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-      "resolved": "http://registry.npm.taobao.org/parseqs/download/parseqs-0.0.5.tgz",
-      "integrity": "sha1-1SCKNzjkZ2bikbouoXNoSSGouJ0=",
-      "requires": {
-        "better-assert": "1.0.2"
-      }
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/parseqs/-/parseqs-0.0.6.tgz",
+      "integrity": "sha512-jeAGzMDbfSHHA091hr0r31eYfTig+29g3GKKE/PPbEQ65X0lmMwlEoqmhzu0iztID5uJpZsFlUPDP8ThPL7M8w=="
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-      "version": "0.0.5",
-      "resolved": "http://registry.npm.taobao.org/parseuri/download/parseuri-0.0.5.tgz",
-      "integrity": "sha1-gCBKUNTbt3m/3G6+J3jZDkvOMgo=",
-      "requires": {
-        "better-assert": "1.0.2"
-      }
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/parseuri/-/parseuri-0.0.6.tgz",
+      "integrity": "sha512-AUjen8sAkGgao7UyCX6Ahv0gIK2fABKmYjvP4xmy5JaKvcbTRueIqIPHLAfq30xJddqSE033IOMUSOMCcK3Sow=="
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@@ -2177,91 +2160,113 @@
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-      "resolved": "http://registry.npm.taobao.org/socket.io/download/socket.io-2.2.0.tgz",
-      "integrity": "sha1-8PYzFh72cSyXKzB1mOzQjJsbTVs=",
-      "requires": {
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-        "engine.io": "3.3.2",
-        "has-binary2": "1.0.3",
-        "socket.io-adapter": "1.1.1",
-        "socket.io-client": "2.2.0",
-        "socket.io-parser": "3.3.0"
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-2.4.0.tgz",
+      "integrity": "sha512-9UPJ1UTvKayuQfVv2IQ3k7tCQC/fboDyIK62i99dAQIyHKaBsNdTpwHLgKJ6guRWxRtC9H+138UwpaGuQO9uWQ==",
+      "requires": {
+        "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"
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-          "resolved": "http://registry.npm.taobao.org/debug/download/debug-4.1.1.tgz",
-          "integrity": "sha1-O3ImAlUQnGtYnO4FDx1RYTlmR5E=",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
           "requires": {
-            "ms": "2.1.1"
+            "ms": "^2.1.1"
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-          "version": "2.1.1",
-          "resolved": "http://registry.npm.taobao.org/ms/download/ms-2.1.1.tgz",
-          "integrity": "sha1-MKWGTrPrsKZvLr5tcnrwagnYbgo="
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
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     "socket.io-adapter": {
-      "version": "1.1.1",
-      "resolved": "http://registry.npm.taobao.org/socket.io-adapter/download/socket.io-adapter-1.1.1.tgz",
-      "integrity": "sha1-KoBeihTWNyEk3ZFZrUUC+MsH8Gs="
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/socket.io-adapter/-/socket.io-adapter-1.1.2.tgz",
+      "integrity": "sha512-WzZRUj1kUjrTIrUKpZLEzFZ1OLj5FwLlAFQs9kuZJzJi5DKdU7FsWc36SNmA8iDOtwBQyT8FkrriRM8vXLYz8g=="
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     "socket.io-client": {
-      "version": "2.2.0",
-      "resolved": "http://registry.npm.taobao.org/socket.io-client/download/socket.io-client-2.2.0.tgz",
-      "integrity": "sha1-hOc+48Q9UCDMwaJY+u65rsJyOvc=",
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.4.0.tgz",
+      "integrity": "sha512-M6xhnKQHuuZd4Ba9vltCLT9oa+YvTsP8j9NcEiLElfIg8KeYPyhWOes6x4t+LTAC8enQbE/995AdTem2uNyKKQ==",
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-        "engine.io-client": "3.3.2",
-        "has-binary2": "1.0.3",
-        "has-cors": "1.1.0",
+        "component-emitter": "~1.3.0",
+        "debug": "~3.1.0",
+        "engine.io-client": "~3.5.0",
+        "has-binary2": "~1.0.2",
         "indexof": "0.0.1",
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-        "parseqs": "0.0.5",
-        "parseuri": "0.0.5",
-        "socket.io-parser": "3.3.0",
+        "parseqs": "0.0.6",
+        "parseuri": "0.0.6",
+        "socket.io-parser": "~3.3.0",
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           "version": "3.1.0",
-          "resolved": "http://registry.npm.taobao.org/debug/download/debug-3.1.0.tgz",
-          "integrity": "sha1-W7WgZyYotkFJVmuhaBnmFRjGcmE=",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
           "requires": {
             "ms": "2.0.0"
           }
+        },
+        "isarray": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
+          "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4="
+        },
+        "socket.io-parser": {
+          "version": "3.3.2",
+          "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.2.tgz",
+          "integrity": "sha512-FJvDBuOALxdCI9qwRrO/Rfp9yfndRtc1jSgVgV8FDraihmSP/MLGD5PEuJrNfjALvcQ+vMDM/33AWOYP/JSjDg==",
+          "requires": {
+            "component-emitter": "~1.3.0",
+            "debug": "~3.1.0",
+            "isarray": "2.0.1"
+          }
         }
       }
     },
     "socket.io-parser": {
-      "version": "3.3.0",
-      "resolved": "http://registry.npm.taobao.org/socket.io-parser/download/socket.io-parser-3.3.0.tgz",
-      "integrity": "sha1-K1KpalCf3zFEC6QP7WCUx9TxJi8=",
+      "version": "3.4.1",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.4.1.tgz",
+      "integrity": "sha512-11hMgzL+WCLWf1uFtHSNvliI++tcRUWdoeYuwIl+Axvwy9z2gQM+7nJyN3STj1tLj5JyIUH8/gpDGxzAlDdi0A==",
       "requires": {
         "component-emitter": "1.2.1",
-        "debug": "3.1.0",
+        "debug": "~4.1.0",
         "isarray": "2.0.1"
       },
       "dependencies": {
+        "component-emitter": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.2.1.tgz",
+          "integrity": "sha1-E3kY1teCg/ffemt8WmPhQOaUJeY="
+        },
         "debug": {
-          "version": "3.1.0",
-          "resolved": "http://registry.npm.taobao.org/debug/download/debug-3.1.0.tgz",
-          "integrity": "sha1-W7WgZyYotkFJVmuhaBnmFRjGcmE=",
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
           "requires": {
-            "ms": "2.0.0"
+            "ms": "^2.1.1"
           }
         },
         "isarray": {
           "version": "2.0.1",
-          "resolved": "http://registry.npm.taobao.org/isarray/download/isarray-2.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
           "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4="
+        },
+        "ms": {
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
         }
       }
     },
@@ -2404,7 +2409,7 @@
     },
     "to-array": {
       "version": "0.1.4",
-      "resolved": "http://registry.npm.taobao.org/to-array/download/to-array-0.1.4.tgz",
+      "resolved": "https://registry.npmjs.org/to-array/-/to-array-0.1.4.tgz",
       "integrity": "sha1-F+bBH3PdTz10zaek/zI46a2b+JA="
     },
     "tough-cookie": {
@@ -2543,12 +2548,9 @@
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
     "ws": {
-      "version": "6.1.4",
-      "resolved": "http://registry.npm.taobao.org/ws/download/ws-6.1.4.tgz",
-      "integrity": "sha1-W1yIAK+rkl6UzLKdFTyNAsF3bvk=",
-      "requires": {
-        "async-limiter": "1.0.0"
-      }
+      "version": "7.4.2",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.2.tgz",
+      "integrity": "sha512-T4tewALS3+qsrpGI/8dqNMLIVdq/g/85U98HPMa6F0m6xTbvhXU6RCQLqPH3+SlomNV/LdY6RXEbBpMH6EOJnA=="
     },
     "xmlhttprequest": {
       "version": "1.8.0",
@@ -2557,7 +2559,7 @@
     },
     "xmlhttprequest-ssl": {
       "version": "1.5.5",
-      "resolved": "http://registry.npm.taobao.org/xmlhttprequest-ssl/download/xmlhttprequest-ssl-1.5.5.tgz",
+      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.5.tgz",
       "integrity": "sha1-wodrBhaKrcQOV9l+gRkayPQ5iz4="
     },
     "xtend": {
@@ -2572,7 +2574,7 @@
     },
     "yeast": {
       "version": "0.1.2",
-      "resolved": "http://registry.npm.taobao.org/yeast/download/yeast-0.1.2.tgz",
+      "resolved": "https://registry.npmjs.org/yeast/-/yeast-0.1.2.tgz",
       "integrity": "sha1-AI4G2AlDIMNy28L47XagymyKxBk="
     }
   }
diff --git a/package.json b/package.json
index ff55dc2..1a0d45d 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,6 @@
     "node-schedule": "^1.3.2",
     "nodemailer": "^5.1.1",
     "request": "^2.88.0",
-    "socket.io": "^2.2.0"
+    "socket.io": "^2.4.0"
   }
 }