diff --git a/example/package-lock.json b/example/package-lock.json
index 49bcb15..ea279f0 100644
--- a/example/package-lock.json
+++ b/example/package-lock.json
@@ -161,13 +161,13 @@
       "dev": true
     },
     "accepts": {
-      "version": "1.3.5",
-      "resolved": "http://registry.npm.taobao.org/accepts/download/accepts-1.3.5.tgz",
-      "integrity": "sha1-63d99gEXI6OxTopywIBcjoZ0a9I=",
+      "version": "1.3.8",
+      "resolved": "https://registry.npmmirror.com/accepts/-/accepts-1.3.8.tgz",
+      "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
       "dev": true,
       "requires": {
-        "mime-types": "2.1.18",
-        "negotiator": "0.6.1"
+        "mime-types": "~2.1.34",
+        "negotiator": "0.6.3"
       }
     },
     "acorn": {
@@ -325,8 +325,8 @@
     },
     "array-flatten": {
       "version": "1.1.1",
-      "resolved": "http://registry.npm.taobao.org/array-flatten/download/array-flatten-1.1.1.tgz",
-      "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=",
+      "resolved": "https://registry.npmmirror.com/array-flatten/-/array-flatten-1.1.1.tgz",
+      "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg==",
       "dev": true
     },
     "array-union": {
@@ -1343,8 +1343,7 @@
     "big.js": {
       "version": "3.2.0",
       "resolved": "http://registry.npm.taobao.org/big.js/download/big.js-3.2.0.tgz",
-      "integrity": "sha1-pfwpi4G54Nyi5FiCR4S2XFK6WI4=",
-      "dev": true
+      "integrity": "sha1-pfwpi4G54Nyi5FiCR4S2XFK6WI4="
     },
     "binary-extensions": {
       "version": "1.11.0",
@@ -1365,28 +1364,31 @@
       "dev": true
     },
     "body-parser": {
-      "version": "1.18.2",
-      "resolved": "http://registry.npm.taobao.org/body-parser/download/body-parser-1.18.2.tgz",
-      "integrity": "sha1-h2eKGdhLR9hZuDGZvVm84iKxBFQ=",
+      "version": "1.19.2",
+      "resolved": "https://registry.npmmirror.com/body-parser/-/body-parser-1.19.2.tgz",
+      "integrity": "sha512-SAAwOxgoCKMGs9uUAUFHygfLAyaniaoun6I8mFY9pRAJL9+Kec34aU+oIjDhTycub1jozEfEwx1W1IuOYxVSFw==",
       "dev": true,
       "requires": {
-        "bytes": "3.0.0",
-        "content-type": "1.0.4",
+        "bytes": "3.1.2",
+        "content-type": "~1.0.4",
         "debug": "2.6.9",
-        "depd": "1.1.2",
-        "http-errors": "1.6.3",
-        "iconv-lite": "0.4.19",
-        "on-finished": "2.3.0",
-        "qs": "6.5.1",
-        "raw-body": "2.3.2",
-        "type-is": "1.6.16"
+        "depd": "~1.1.2",
+        "http-errors": "1.8.1",
+        "iconv-lite": "0.4.24",
+        "on-finished": "~2.3.0",
+        "qs": "6.9.7",
+        "raw-body": "2.4.3",
+        "type-is": "~1.6.18"
       },
       "dependencies": {
         "iconv-lite": {
-          "version": "0.4.19",
-          "resolved": "http://registry.npm.taobao.org/iconv-lite/download/iconv-lite-0.4.19.tgz",
-          "integrity": "sha1-90aPYBNfXl2tM5nAqBvpoWA6CCs=",
-          "dev": true
+          "version": "0.4.24",
+          "resolved": "https://registry.npmmirror.com/iconv-lite/-/iconv-lite-0.4.24.tgz",
+          "integrity": "sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==",
+          "dev": true,
+          "requires": {
+            "safer-buffer": ">= 2.1.2 < 3"
+          }
         }
       }
     },
@@ -1558,9 +1560,9 @@
       "dev": true
     },
     "bytes": {
-      "version": "3.0.0",
-      "resolved": "http://registry.npm.taobao.org/bytes/download/bytes-3.0.0.tgz",
-      "integrity": "sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg=",
+      "version": "3.1.2",
+      "resolved": "https://registry.npmmirror.com/bytes/-/bytes-3.1.2.tgz",
+      "integrity": "sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg==",
       "dev": true
     },
     "cacache": {
@@ -2038,15 +2040,26 @@
       "dev": true
     },
     "content-disposition": {
-      "version": "0.5.2",
-      "resolved": "http://registry.npm.taobao.org/content-disposition/download/content-disposition-0.5.2.tgz",
-      "integrity": "sha1-DPaLud318r55YcOoUXjLhdunjLQ=",
-      "dev": true
+      "version": "0.5.4",
+      "resolved": "https://registry.npmmirror.com/content-disposition/-/content-disposition-0.5.4.tgz",
+      "integrity": "sha512-FveZTNuGw04cxlAiWbzi6zTAL/lhehaWbTtgluJh4/E95DqMwTmha3KZN1aAWA8cFIhHzMZUvLevkw5Rqk+tSQ==",
+      "dev": true,
+      "requires": {
+        "safe-buffer": "5.2.1"
+      },
+      "dependencies": {
+        "safe-buffer": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmmirror.com/safe-buffer/-/safe-buffer-5.2.1.tgz",
+          "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
+          "dev": true
+        }
+      }
     },
     "content-type": {
       "version": "1.0.4",
-      "resolved": "http://registry.npm.taobao.org/content-type/download/content-type-1.0.4.tgz",
-      "integrity": "sha1-4TjMdeBAxyexlm/l5fjJruJW/js=",
+      "resolved": "https://registry.npmmirror.com/content-type/-/content-type-1.0.4.tgz",
+      "integrity": "sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA==",
       "dev": true
     },
     "convert-source-map": {
@@ -2056,17 +2069,25 @@
       "dev": true
     },
     "cookie": {
-      "version": "0.3.1",
-      "resolved": "http://registry.npm.taobao.org/cookie/download/cookie-0.3.1.tgz",
-      "integrity": "sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s=",
+      "version": "0.4.2",
+      "resolved": "https://registry.npmmirror.com/cookie/-/cookie-0.4.2.tgz",
+      "integrity": "sha512-aSWTXFzaKWkvHO1Ny/s+ePFpvKsPnjc551iI41v3ny/ow6tBG5Vd+FuqGNhh1LxOmVzOlGUriIlOaokOvhaStA==",
       "dev": true
     },
     "cookie-signature": {
       "version": "1.0.6",
-      "resolved": "http://registry.npm.taobao.org/cookie-signature/download/cookie-signature-1.0.6.tgz",
-      "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw=",
+      "resolved": "https://registry.npmmirror.com/cookie-signature/-/cookie-signature-1.0.6.tgz",
+      "integrity": "sha512-QADzlaHc8icV8I7vbaJXJwod9HWYp8uCqf1xa4OfNu1T7JVxQIrUgOWtHdNDtPiywmFbiS12VjotIXLrKM3orQ==",
       "dev": true
     },
+    "copy-anything": {
+      "version": "2.0.6",
+      "resolved": "https://registry.npmmirror.com/copy-anything/-/copy-anything-2.0.6.tgz",
+      "integrity": "sha512-1j20GZTsvKNkc4BY3NpMOM8tt///wY3FpIzozTOFO2ffuZcV61nojHXVKIy3WM+7ADCy5FVhdZYHYDdgTU0yJw==",
+      "requires": {
+        "is-what": "^3.14.1"
+      }
+    },
     "copy-concurrently": {
       "version": "1.0.5",
       "resolved": "http://registry.npm.taobao.org/copy-concurrently/download/copy-concurrently-1.0.5.tgz",
@@ -2531,8 +2552,8 @@
     },
     "depd": {
       "version": "1.1.2",
-      "resolved": "http://registry.npm.taobao.org/depd/download/depd-1.1.2.tgz",
-      "integrity": "sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=",
+      "resolved": "https://registry.npmmirror.com/depd/-/depd-1.1.2.tgz",
+      "integrity": "sha512-7emPTl6Dpo6JRXOXjLRxck+FlLRX5847cLKEn00PLAgc3g2hTZZgr+e4c2v6QpSmLeFP3n5yUo7ft6avBK/5jQ==",
       "dev": true
     },
     "des.js": {
@@ -2547,8 +2568,8 @@
     },
     "destroy": {
       "version": "1.0.4",
-      "resolved": "http://registry.npm.taobao.org/destroy/download/destroy-1.0.4.tgz",
-      "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=",
+      "resolved": "https://registry.npmmirror.com/destroy/-/destroy-1.0.4.tgz",
+      "integrity": "sha512-3NdhDuEXnfun/z7x9GOElY49LoqVHoGScmOKwmxhsS8N5Y+Z8KyPPDnaSzqWgYt/ji4mqwfTS34Htrk0zPIXVg==",
       "dev": true
     },
     "detect-indent": {
@@ -2700,8 +2721,8 @@
     },
     "ee-first": {
       "version": "1.1.1",
-      "resolved": "http://registry.npm.taobao.org/ee-first/download/ee-first-1.1.1.tgz",
-      "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=",
+      "resolved": "https://registry.npmmirror.com/ee-first/-/ee-first-1.1.1.tgz",
+      "integrity": "sha512-WMwm9LhRUo+WUaRN+vRuETqG89IgZphVSNkdFgeb6sS/E4OrDIN7t48CAewSHXc6C8lefD8KKfr5vY61brQlow==",
       "dev": true
     },
     "ejs": {
@@ -2734,13 +2755,12 @@
     "emojis-list": {
       "version": "2.1.0",
       "resolved": "http://registry.npm.taobao.org/emojis-list/download/emojis-list-2.1.0.tgz",
-      "integrity": "sha1-TapNnbAPmBmIDHn6RXrlsJof04k=",
-      "dev": true
+      "integrity": "sha1-TapNnbAPmBmIDHn6RXrlsJof04k="
     },
     "encodeurl": {
       "version": "1.0.2",
-      "resolved": "http://registry.npm.taobao.org/encodeurl/download/encodeurl-1.0.2.tgz",
-      "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=",
+      "resolved": "https://registry.npmmirror.com/encodeurl/-/encodeurl-1.0.2.tgz",
+      "integrity": "sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w==",
       "dev": true
     },
     "end-of-stream": {
@@ -2782,7 +2802,6 @@
       "version": "0.1.7",
       "resolved": "http://registry.npm.taobao.org/errno/download/errno-0.1.7.tgz",
       "integrity": "sha1-RoTXF3mtOa8Xfj8AeZb3xnyFJhg=",
-      "dev": true,
       "requires": {
         "prr": "1.0.1"
       }
@@ -2902,8 +2921,8 @@
     },
     "escape-html": {
       "version": "1.0.3",
-      "resolved": "http://registry.npm.taobao.org/escape-html/download/escape-html-1.0.3.tgz",
-      "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=",
+      "resolved": "https://registry.npmmirror.com/escape-html/-/escape-html-1.0.3.tgz",
+      "integrity": "sha512-NiSupZ4OeuGwr68lGIeym/ksIZMJodUGOSCZ/FSnTxcrekbvqrgdUxlJOMpijaKZVjAJrWrGs/6Jy8OMuyj9ow==",
       "dev": true
     },
     "escape-string-regexp": {
@@ -3018,6 +3037,12 @@
         }
       }
     },
+    "eslint-config-standard": {
+      "version": "11.0.0",
+      "resolved": "https://registry.npmmirror.com/eslint-config-standard/-/eslint-config-standard-11.0.0.tgz",
+      "integrity": "sha512-oDdENzpViEe5fwuRCWla7AXQd++/oyIp8zP+iP9jiUPG6NBj3SHgdgtl/kTn00AjeN+1HNvavTKmYbMo+xMOlw==",
+      "dev": true
+    },
     "eslint-friendly-formatter": {
       "version": "4.0.1",
       "resolved": "http://registry.npm.taobao.org/eslint-friendly-formatter/download/eslint-friendly-formatter-4.0.1.tgz",
@@ -3169,6 +3194,27 @@
         "semver": "5.5.0"
       }
     },
+    "eslint-plugin-promise": {
+      "version": "3.8.0",
+      "resolved": "https://registry.npmmirror.com/eslint-plugin-promise/-/eslint-plugin-promise-3.8.0.tgz",
+      "integrity": "sha512-JiFL9UFR15NKpHyGii1ZcvmtIqa3UTwiDAGb8atSffe43qJ3+1czVGN6UtkklpcJ2DVnqvTMzEKRaJdBkAL2aQ==",
+      "dev": true
+    },
+    "eslint-plugin-standard": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmmirror.com/eslint-plugin-standard/-/eslint-plugin-standard-3.1.0.tgz",
+      "integrity": "sha512-fVcdyuKRr0EZ4fjWl3c+gp1BANFJD1+RaWa2UPYfMZ6jCtp5RG00kSaXnK/dE5sYzt4kaWJ9qdxqUfc0d9kX0w==",
+      "dev": true
+    },
+    "eslint-plugin-vue": {
+      "version": "4.7.1",
+      "resolved": "https://registry.npmmirror.com/eslint-plugin-vue/-/eslint-plugin-vue-4.7.1.tgz",
+      "integrity": "sha512-esETKhVMI7Vdli70Wt4bvAwnZBJeM0pxVX9Yb0wWKxdCJc2EADalVYK/q2FzMw8oKN0wPMdqVCKS8kmR89recA==",
+      "dev": true,
+      "requires": {
+        "vue-eslint-parser": "^2.0.3"
+      }
+    },
     "eslint-scope": {
       "version": "3.7.1",
       "resolved": "http://registry.npm.taobao.org/eslint-scope/download/eslint-scope-3.7.1.tgz",
@@ -3233,8 +3279,8 @@
     },
     "etag": {
       "version": "1.8.1",
-      "resolved": "http://registry.npm.taobao.org/etag/download/etag-1.8.1.tgz",
-      "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=",
+      "resolved": "https://registry.npmmirror.com/etag/-/etag-1.8.1.tgz",
+      "integrity": "sha512-aIL5Fx7mawVa300al2BnEE4iNvo1qETxLrPI/o05L7z6go7fCw1J6EQmbK4FmJ2AS7kgVF/KEZWufBfdClMcPg==",
       "dev": true
     },
     "event-emitter": {
@@ -3326,47 +3372,53 @@
       }
     },
     "express": {
-      "version": "4.16.3",
-      "resolved": "http://registry.npm.taobao.org/express/download/express-4.16.3.tgz",
-      "integrity": "sha1-avilAjUNsyRuzEvs9rWjTSL37VM=",
+      "version": "4.17.3",
+      "resolved": "https://registry.npmmirror.com/express/-/express-4.17.3.tgz",
+      "integrity": "sha512-yuSQpz5I+Ch7gFrPCk4/c+dIBKlQUxtgwqzph132bsT6qhuzss6I8cLJQz7B3rFblzd6wtcI0ZbGltH/C4LjUg==",
       "dev": true,
       "requires": {
-        "accepts": "1.3.5",
+        "accepts": "~1.3.8",
         "array-flatten": "1.1.1",
-        "body-parser": "1.18.2",
-        "content-disposition": "0.5.2",
-        "content-type": "1.0.4",
-        "cookie": "0.3.1",
+        "body-parser": "1.19.2",
+        "content-disposition": "0.5.4",
+        "content-type": "~1.0.4",
+        "cookie": "0.4.2",
         "cookie-signature": "1.0.6",
         "debug": "2.6.9",
-        "depd": "1.1.2",
-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "etag": "1.8.1",
-        "finalhandler": "1.1.1",
+        "depd": "~1.1.2",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.1",
+        "finalhandler": "~1.1.2",
         "fresh": "0.5.2",
         "merge-descriptors": "1.0.1",
-        "methods": "1.1.2",
-        "on-finished": "2.3.0",
-        "parseurl": "1.3.2",
+        "methods": "~1.1.2",
+        "on-finished": "~2.3.0",
+        "parseurl": "~1.3.3",
         "path-to-regexp": "0.1.7",
-        "proxy-addr": "2.0.3",
-        "qs": "6.5.1",
-        "range-parser": "1.2.0",
-        "safe-buffer": "5.1.1",
-        "send": "0.16.2",
-        "serve-static": "1.13.2",
-        "setprototypeof": "1.1.0",
-        "statuses": "1.4.0",
-        "type-is": "1.6.16",
+        "proxy-addr": "~2.0.7",
+        "qs": "6.9.7",
+        "range-parser": "~1.2.1",
+        "safe-buffer": "5.2.1",
+        "send": "0.17.2",
+        "serve-static": "1.14.2",
+        "setprototypeof": "1.2.0",
+        "statuses": "~1.5.0",
+        "type-is": "~1.6.18",
         "utils-merge": "1.0.1",
-        "vary": "1.1.2"
+        "vary": "~1.1.2"
       },
       "dependencies": {
+        "range-parser": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmmirror.com/range-parser/-/range-parser-1.2.1.tgz",
+          "integrity": "sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg==",
+          "dev": true
+        },
         "safe-buffer": {
-          "version": "5.1.1",
-          "resolved": "http://registry.npm.taobao.org/safe-buffer/download/safe-buffer-5.1.1.tgz",
-          "integrity": "sha1-iTMSr2myEj3vcfV4iQAWce6yyFM=",
+          "version": "5.2.1",
+          "resolved": "https://registry.npmmirror.com/safe-buffer/-/safe-buffer-5.2.1.tgz",
+          "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
           "dev": true
         }
       }
@@ -3611,18 +3663,18 @@
       }
     },
     "finalhandler": {
-      "version": "1.1.1",
-      "resolved": "http://registry.npm.taobao.org/finalhandler/download/finalhandler-1.1.1.tgz",
-      "integrity": "sha1-7r9O2EAHnIP0JJA4ydcDAIMBsQU=",
+      "version": "1.1.2",
+      "resolved": "https://registry.npmmirror.com/finalhandler/-/finalhandler-1.1.2.tgz",
+      "integrity": "sha512-aAWcW57uxVNrQZqFXjITpW3sIUQmHGG3qSb9mUah9MgMC4NeWhNOlNjXEYq3HjRAvL6arUviZGGJsBg6z0zsWA==",
       "dev": true,
       "requires": {
         "debug": "2.6.9",
-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "on-finished": "2.3.0",
-        "parseurl": "1.3.2",
-        "statuses": "1.4.0",
-        "unpipe": "1.0.0"
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "on-finished": "~2.3.0",
+        "parseurl": "~1.3.3",
+        "statuses": "~1.5.0",
+        "unpipe": "~1.0.0"
       }
     },
     "find-cache-dir": {
@@ -3706,9 +3758,9 @@
       "dev": true
     },
     "forwarded": {
-      "version": "0.1.2",
-      "resolved": "http://registry.npm.taobao.org/forwarded/download/forwarded-0.1.2.tgz",
-      "integrity": "sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ=",
+      "version": "0.2.0",
+      "resolved": "https://registry.npmmirror.com/forwarded/-/forwarded-0.2.0.tgz",
+      "integrity": "sha512-buRG0fpBtRHSTCOASe6hD258tEubFoRLb4ZNA6NxMVHNw2gOcwHo9wyablzMzOA5z9xA9L1KNjk/Nt6MT9aYow==",
       "dev": true
     },
     "fragment-cache": {
@@ -3722,8 +3774,8 @@
     },
     "fresh": {
       "version": "0.5.2",
-      "resolved": "http://registry.npm.taobao.org/fresh/download/fresh-0.5.2.tgz",
-      "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=",
+      "resolved": "https://registry.npmmirror.com/fresh/-/fresh-0.5.2.tgz",
+      "integrity": "sha512-zJ2mQYM18rEFOudeV4GShTGIQ7RbzA7ozbU9I/XBpm7kqgMywgmylMwXHxZJmkVoYkna9d2pVXVXPdYTP9ej8Q==",
       "dev": true
     },
     "friendly-errors-webpack-plugin": {
@@ -3822,7 +3874,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -3843,12 +3896,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "1.0.0",
             "concat-map": "0.0.1"
@@ -3863,17 +3918,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -3990,7 +4048,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -4002,6 +4061,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "1.0.1"
           }
@@ -4016,6 +4076,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "1.1.11"
           }
@@ -4023,12 +4084,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "5.1.1",
             "yallist": "3.0.2"
@@ -4047,6 +4110,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -4127,7 +4191,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -4139,6 +4204,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1.0.2"
           }
@@ -4224,7 +4290,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -4260,6 +4327,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "1.1.0",
             "is-fullwidth-code-point": "1.0.0",
@@ -4279,6 +4347,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "2.1.1"
           }
@@ -4322,12 +4391,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -4419,8 +4490,7 @@
     "graceful-fs": {
       "version": "4.1.11",
       "resolved": "http://registry.npm.taobao.org/graceful-fs/download/graceful-fs-4.1.11.tgz",
-      "integrity": "sha1-Dovf5NHduIVNZOBOp8AOKgJuVlg=",
-      "dev": true
+      "integrity": "sha1-Dovf5NHduIVNZOBOp8AOKgJuVlg="
     },
     "gzip-size": {
       "version": "4.1.0",
@@ -4612,15 +4682,24 @@
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-      "version": "1.6.3",
-      "resolved": "http://registry.npm.taobao.org/http-errors/download/http-errors-1.6.3.tgz",
-      "integrity": "sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=",
+      "version": "1.8.1",
+      "resolved": "https://registry.npmmirror.com/http-errors/-/http-errors-1.8.1.tgz",
+      "integrity": "sha512-Kpk9Sm7NmI+RHhnj6OIWDI1d6fIoFAtFt9RLaTMRlg/8w49juAStsrBgp0Dp4OdxdVbRIeKhtCUvoi/RuAhO4g==",
       "dev": true,
       "requires": {
-        "depd": "1.1.2",
-        "inherits": "2.0.3",
-        "setprototypeof": "1.1.0",
-        "statuses": "1.4.0"
+        "depd": "~1.1.2",
+        "inherits": "2.0.4",
+        "setprototypeof": "1.2.0",
+        "statuses": ">= 1.5.0 < 2",
+        "toidentifier": "1.0.1"
+      },
+      "dependencies": {
+        "inherits": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmmirror.com/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+          "dev": true
+        }
       }
     },
     "http-proxy": {
@@ -4722,6 +4801,12 @@
       "integrity": "sha1-Cpf7h2mG6AgcYxFg+PnziRV/AEM=",
       "dev": true
     },
+    "image-size": {
+      "version": "0.5.5",
+      "resolved": "https://registry.npmmirror.com/image-size/-/image-size-0.5.5.tgz",
+      "integrity": "sha512-6TDAlDPZxUFCv+fuOkIoXT/V/f3Qbq8e37p+YOiYrUv3v9cc3/6x78VdfPgFVaB9dZYeLUfKgHRebpkm/oP2VQ==",
+      "optional": true
+    },
     "import-cwd": {
       "version": "2.1.0",
       "resolved": "http://registry.npm.taobao.org/import-cwd/download/import-cwd-2.1.0.tgz",
@@ -4849,9 +4934,9 @@
       "dev": true
     },
     "ipaddr.js": {
-      "version": "1.6.0",
-      "resolved": "http://registry.npm.taobao.org/ipaddr.js/download/ipaddr.js-1.6.0.tgz",
-      "integrity": "sha1-4/o1e3c9phnybpXwSdBVxyeW+Gs=",
+      "version": "1.9.1",
+      "resolved": "https://registry.npmmirror.com/ipaddr.js/-/ipaddr.js-1.9.1.tgz",
+      "integrity": "sha512-0KI/607xoxSToH7GjN1FfSbLoU0+btTicjsQSWQlh/hZykN8KpmMf7uYwPW3R+akZ6R/w18ZlXSHBYXiYUPO3g==",
       "dev": true
     },
     "is-absolute-url": {
@@ -5104,6 +5189,11 @@
       "integrity": "sha1-PMWfAAJRlLarLjjbrmaJJWtmBXI=",
       "dev": true
     },
+    "is-what": {
+      "version": "3.14.1",
+      "resolved": "https://registry.npmmirror.com/is-what/-/is-what-3.14.1.tgz",
+      "integrity": "sha512-sNxgpk9793nzSs7bA6JQJGeIuRBQhAaNGG77kzYQgMkrID+lS6SlK07K5LaptscDlSaIgH+GPFzf+d75FVxozA=="
+    },
     "is-windows": {
       "version": "1.0.2",
       "resolved": "http://registry.npm.taobao.org/is-windows/download/is-windows-1.0.2.tgz",
@@ -5195,8 +5285,7 @@
     "json5": {
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       "resolved": "http://registry.npm.taobao.org/json5/download/json5-0.5.1.tgz",
-      "integrity": "sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE=",
-      "dev": true
+      "integrity": "sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE="
     },
     "jsonfile": {
       "version": "2.4.0",
@@ -5238,6 +5327,69 @@
         "invert-kv": "1.0.0"
       }
     },
+    "less": {
+      "version": "3.13.1",
+      "resolved": "https://registry.npmmirror.com/less/-/less-3.13.1.tgz",
+      "integrity": "sha512-SwA1aQXGUvp+P5XdZslUOhhLnClSLIjWvJhmd+Vgib5BFIr9lMNlQwmwUNOjXThF/A0x+MCYYPeWEfeWiLRnTw==",
+      "requires": {
+        "copy-anything": "^2.0.1",
+        "errno": "^0.1.1",
+        "graceful-fs": "^4.1.2",
+        "image-size": "~0.5.0",
+        "make-dir": "^2.1.0",
+        "mime": "^1.4.1",
+        "native-request": "^1.0.5",
+        "source-map": "~0.6.0",
+        "tslib": "^1.10.0"
+      },
+      "dependencies": {
+        "make-dir": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmmirror.com/make-dir/-/make-dir-2.1.0.tgz",
+          "integrity": "sha512-LS9X+dc8KLxXCb8dni79fLIIUA5VyZoyjSMCwTluaXA0o27cCK0bhXkpgw+sTXVpPy/lSO57ilRixqk0vDmtRA==",
+          "optional": true,
+          "requires": {
+            "pify": "^4.0.1",
+            "semver": "^5.6.0"
+          }
+        },
+        "pify": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmmirror.com/pify/-/pify-4.0.1.tgz",
+          "integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g==",
+          "optional": true
+        },
+        "semver": {
+          "version": "5.7.1",
+          "resolved": "https://registry.npmmirror.com/semver/-/semver-5.7.1.tgz",
+          "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
+          "optional": true
+        },
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmmirror.com/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "optional": true
+        }
+      }
+    },
+    "less-loader": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmmirror.com/less-loader/-/less-loader-4.1.0.tgz",
+      "integrity": "sha512-KNTsgCE9tMOM70+ddxp9yyt9iHqgmSs0yTZc5XH5Wo+g80RWRIYNqE58QJKm/yMud5wZEvz50ugRDuzVIkyahg==",
+      "requires": {
+        "clone": "^2.1.1",
+        "loader-utils": "^1.1.0",
+        "pify": "^3.0.0"
+      },
+      "dependencies": {
+        "clone": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmmirror.com/clone/-/clone-2.1.2.tgz",
+          "integrity": "sha512-3Pe/CF1Nn94hyhIYpjtiLhdCoEoz0DqQ+988E9gmeEdQZlojxnOb74wctFyuwWQHzqyf9X7C7MG8juUpqBJT8w=="
+        }
+      }
+    },
     "levn": {
       "version": "0.3.0",
       "resolved": "http://registry.npm.taobao.org/levn/download/levn-0.3.0.tgz",
@@ -5329,7 +5481,6 @@
       "version": "1.1.0",
       "resolved": "http://registry.npm.taobao.org/loader-utils/download/loader-utils-1.1.0.tgz",
       "integrity": "sha1-yYrvSIvM7aL/teLeZG1qdUQp9c0=",
-      "dev": true,
       "requires": {
         "big.js": "3.2.0",
         "emojis-list": "2.1.0",
@@ -5458,8 +5609,8 @@
     },
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       "version": "0.3.0",
-      "resolved": "http://registry.npm.taobao.org/media-typer/download/media-typer-0.3.0.tgz",
-      "integrity": "sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g=",
+      "resolved": "https://registry.npmmirror.com/media-typer/-/media-typer-0.3.0.tgz",
+      "integrity": "sha512-dq+qelQ9akHpcOl/gUVRTxVIOkAJ1wR3QAvb4RsVjS8oVoFjDGTc679wJYmUmknUF5HwMLOgb5O+a3KxfWapPQ==",
       "dev": true
     },
     "mem": {
@@ -5483,14 +5634,14 @@
     },
     "merge-descriptors": {
       "version": "1.0.1",
-      "resolved": "http://registry.npm.taobao.org/merge-descriptors/download/merge-descriptors-1.0.1.tgz",
-      "integrity": "sha1-sAqqVW3YtEVoFQ7J0blT8/kMu2E=",
+      "resolved": "https://registry.npmmirror.com/merge-descriptors/-/merge-descriptors-1.0.1.tgz",
+      "integrity": "sha512-cCi6g3/Zr1iqQi6ySbseM1Xvooa98N0w31jzUYrXPX2xqObmFGHJ0tQ5u74H3mVh7wLouTseZyYIq39g8cNp1w==",
       "dev": true
     },
     "methods": {
       "version": "1.1.2",
-      "resolved": "http://registry.npm.taobao.org/methods/download/methods-1.1.2.tgz",
-      "integrity": "sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4=",
+      "resolved": "https://registry.npmmirror.com/methods/-/methods-1.1.2.tgz",
+      "integrity": "sha512-iclAHeNqNm68zFtnZ0e+1L2yUIdvzNoauKU4WBA3VvH/vPFieF7qfRlwUZU+DA9P9bPXIS90ulxoUoCH23sV2w==",
       "dev": true
     },
     "micromatch": {
@@ -5527,22 +5678,21 @@
     "mime": {
       "version": "1.4.1",
       "resolved": "http://registry.npm.taobao.org/mime/download/mime-1.4.1.tgz",
-      "integrity": "sha1-Eh+evEnjdm8xGnbh+hyAA8SwOqY=",
-      "dev": true
+      "integrity": "sha1-Eh+evEnjdm8xGnbh+hyAA8SwOqY="
     },
     "mime-db": {
-      "version": "1.33.0",
-      "resolved": "http://registry.npm.taobao.org/mime-db/download/mime-db-1.33.0.tgz",
-      "integrity": "sha1-o0kgUKXLm2NFBUHjnZeI0icng9s=",
+      "version": "1.52.0",
+      "resolved": "https://registry.npmmirror.com/mime-db/-/mime-db-1.52.0.tgz",
+      "integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==",
       "dev": true
     },
     "mime-types": {
-      "version": "2.1.18",
-      "resolved": "http://registry.npm.taobao.org/mime-types/download/mime-types-2.1.18.tgz",
-      "integrity": "sha1-bzI/YKg9ERRvgx/xH9ZuL+VQO7g=",
+      "version": "2.1.35",
+      "resolved": "https://registry.npmmirror.com/mime-types/-/mime-types-2.1.35.tgz",
+      "integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
       "dev": true,
       "requires": {
-        "mime-db": "1.33.0"
+        "mime-db": "1.52.0"
       }
     },
     "mimic-fn": {
@@ -5645,6 +5795,15 @@
       "resolved": "http://registry.npm.taobao.org/mpvue/download/mpvue-1.0.13.tgz",
       "integrity": "sha1-nRKNkfKom911B0k/vu9An+MC+9c="
     },
+    "mpvue-audio": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmmirror.com/mpvue-audio/-/mpvue-audio-1.0.5.tgz",
+      "integrity": "sha512-VItjtBRe8R7VBJNYFjOd1nwjhBNeJc9Z078RsQd0q+4jvumLyQ1h5HOknD9KsiMKC3kdaPlL963KehdCSGlEkA==",
+      "requires": {
+        "less": "^3.0.4",
+        "less-loader": "^4.1.0"
+      }
+    },
     "mpvue-loader": {
       "version": "1.0.15",
       "resolved": "http://registry.npm.taobao.org/mpvue-loader/download/mpvue-loader-1.0.15.tgz",
@@ -5764,6 +5923,12 @@
         "to-regex": "3.0.2"
       }
     },
+    "native-request": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmmirror.com/native-request/-/native-request-1.1.0.tgz",
+      "integrity": "sha512-uZ5rQaeRn15XmpgE0xoPL8YWqcX90VtCFglYwAgkvKM5e8fog+vePLAhHxuuv/gRkrQxIeh5U3q9sMNUrENqWw==",
+      "optional": true
+    },
     "natives": {
       "version": "1.1.4",
       "resolved": "http://registry.npm.taobao.org/natives/download/natives-1.1.4.tgz",
@@ -5777,9 +5942,9 @@
       "dev": true
     },
     "negotiator": {
-      "version": "0.6.1",
-      "resolved": "http://registry.npm.taobao.org/negotiator/download/negotiator-0.6.1.tgz",
-      "integrity": "sha1-KzJxhOiZIQEXeyhWP7XnECrNDKk=",
+      "version": "0.6.3",
+      "resolved": "https://registry.npmmirror.com/negotiator/-/negotiator-0.6.3.tgz",
+      "integrity": "sha512-+EUsqGPLsM+j/zdChZjsnX51g4XrHFOIXwfnCVPGlQk/k5giakcKsuxCObBRu6DSm9opw/O6slWbJdghQM4bBg==",
       "dev": true
     },
     "neo-async": {
@@ -5999,8 +6164,8 @@
     },
     "on-finished": {
       "version": "2.3.0",
-      "resolved": "http://registry.npm.taobao.org/on-finished/download/on-finished-2.3.0.tgz",
-      "integrity": "sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=",
+      "resolved": "https://registry.npmmirror.com/on-finished/-/on-finished-2.3.0.tgz",
+      "integrity": "sha512-ikqdkGAAyf/X/gPhXGvfgAytDZtDbr+bkNUJ0N9h5MI/dmdgCs3l6hoHrcUv41sRKew3jIwrp4qQDXiK99Utww==",
       "dev": true,
       "requires": {
         "ee-first": "1.1.1"
@@ -6193,9 +6358,9 @@
       }
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     "parseurl": {
-      "version": "1.3.2",
-      "resolved": "http://registry.npm.taobao.org/parseurl/download/parseurl-1.3.2.tgz",
-      "integrity": "sha1-/CidTtiZMRlGDBViUyYs3I3mW/M=",
+      "version": "1.3.3",
+      "resolved": "https://registry.npmmirror.com/parseurl/-/parseurl-1.3.3.tgz",
+      "integrity": "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==",
       "dev": true
     },
     "pascalcase": {
@@ -6248,8 +6413,8 @@
     },
     "path-to-regexp": {
       "version": "0.1.7",
-      "resolved": "http://registry.npm.taobao.org/path-to-regexp/download/path-to-regexp-0.1.7.tgz",
-      "integrity": "sha1-32BBeABfUi8V60SQ5yR6G/qmf4w=",
+      "resolved": "https://registry.npmmirror.com/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
+      "integrity": "sha512-5DFkuoqlv1uYQKxy8omFBeJPQcdoE07Kv2sferDCrAq1ohOU+MSDswDIbnx3YAM60qIOnYa53wBhXW0EbMonrQ==",
       "dev": true
     },
     "path-type": {
@@ -6277,8 +6442,7 @@
     "pify": {
       "version": "3.0.0",
       "resolved": "http://registry.npm.taobao.org/pify/download/pify-3.0.0.tgz",
-      "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=",
-      "dev": true
+      "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY="
     },
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@@ -7100,20 +7264,19 @@
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-      "resolved": "http://registry.npm.taobao.org/proxy-addr/download/proxy-addr-2.0.3.tgz",
-      "integrity": "sha1-NV8mJQWmIWRrMTCnKOtkfiIFU0E=",
+      "version": "2.0.7",
+      "resolved": "https://registry.npmmirror.com/proxy-addr/-/proxy-addr-2.0.7.tgz",
+      "integrity": "sha512-llQsMLSUDUPT44jdrU/O37qlnifitDP+ZwrmmZcoSKyLKvtZxpyV0n2/bD/N4tBAAZ/gJEdZU7KMraoK1+XYAg==",
       "dev": true,
       "requires": {
-        "forwarded": "0.1.2",
-        "ipaddr.js": "1.6.0"
+        "forwarded": "0.2.0",
+        "ipaddr.js": "1.9.1"
       }
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       "version": "1.0.1",
       "resolved": "http://registry.npm.taobao.org/prr/download/prr-1.0.1.tgz",
-      "integrity": "sha1-0/wRS6BplaRexok/SEzrHXj19HY=",
-      "dev": true
+      "integrity": "sha1-0/wRS6BplaRexok/SEzrHXj19HY="
     },
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@@ -7248,9 +7411,9 @@
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-      "resolved": "http://registry.npm.taobao.org/qs/download/qs-6.5.1.tgz",
-      "integrity": "sha1-NJzfbu+J7EXBLX1es/wMhwNDptg=",
+      "version": "6.9.7",
+      "resolved": "https://registry.npmmirror.com/qs/-/qs-6.9.7.tgz",
+      "integrity": "sha512-IhMFgUmuNpyRfxA90umL7ByLlgRXu6tIfKPpF5TmcfRLlLCckfP/g3IQmju6jjpu+Hh8rA+2p6A27ZSPOOHdKw==",
       "dev": true
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@@ -7301,46 +7464,25 @@
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-      "resolved": "http://registry.npm.taobao.org/raw-body/download/raw-body-2.3.2.tgz",
-      "integrity": "sha1-vNYMd9Prk83gBQKVw/N5OJvIj4k=",
+      "version": "2.4.3",
+      "resolved": "https://registry.npmmirror.com/raw-body/-/raw-body-2.4.3.tgz",
+      "integrity": "sha512-UlTNLIcu0uzb4D2f4WltY6cVjLi+/jEN4lgEUj3E04tpMDpUlkBo/eSn6zou9hum2VMNpCCUone0O0WeJim07g==",
       "dev": true,
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-        "http-errors": "1.6.2",
-        "iconv-lite": "0.4.19",
+        "bytes": "3.1.2",
+        "http-errors": "1.8.1",
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-          "resolved": "http://registry.npm.taobao.org/depd/download/depd-1.1.1.tgz",
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-          "integrity": "sha1-CgAsyFcHGSp+eUbO7cERVfYOxzY=",
+        "iconv-lite": {
+          "version": "0.4.24",
+          "resolved": "https://registry.npmmirror.com/iconv-lite/-/iconv-lite-0.4.24.tgz",
+          "integrity": "sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==",
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-            "inherits": "2.0.3",
-            "setprototypeof": "1.0.3",
-            "statuses": "1.4.0"
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-        },
-        "iconv-lite": {
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-          "resolved": "http://registry.npm.taobao.org/iconv-lite/download/iconv-lite-0.4.19.tgz",
-          "integrity": "sha1-90aPYBNfXl2tM5nAqBvpoWA6CCs=",
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-          "dev": true
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@@ -7810,24 +7952,44 @@
       "dev": true
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-      "resolved": "http://registry.npm.taobao.org/send/download/send-0.16.2.tgz",
-      "integrity": "sha1-bsyh4PjBVtFBWXVZhI32RzCmu8E=",
+      "version": "0.17.2",
+      "resolved": "https://registry.npmmirror.com/send/-/send-0.17.2.tgz",
+      "integrity": "sha512-UJYB6wFSJE3G00nEivR5rgWp8c2xXvJ3OPWPhmuteU0IKj8nKbG3DrjiOmLwpnHGYWAVwA69zmTm++YG0Hmwww==",
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-        "destroy": "1.0.4",
-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "etag": "1.8.1",
+        "depd": "~1.1.2",
+        "destroy": "~1.0.4",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.1",
         "fresh": "0.5.2",
-        "http-errors": "1.6.3",
-        "mime": "1.4.1",
-        "ms": "2.0.0",
-        "on-finished": "2.3.0",
-        "range-parser": "1.2.0",
-        "statuses": "1.4.0"
+        "http-errors": "1.8.1",
+        "mime": "1.6.0",
+        "ms": "2.1.3",
+        "on-finished": "~2.3.0",
+        "range-parser": "~1.2.1",
+        "statuses": "~1.5.0"
+      },
+      "dependencies": {
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+          "version": "1.6.0",
+          "resolved": "https://registry.npmmirror.com/mime/-/mime-1.6.0.tgz",
+          "integrity": "sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==",
+          "dev": true
+        },
+        "ms": {
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+          "resolved": "https://registry.npmmirror.com/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+          "dev": true
+        },
+        "range-parser": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmmirror.com/range-parser/-/range-parser-1.2.1.tgz",
+          "integrity": "sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg==",
+          "dev": true
+        }
       }
     },
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@@ -7837,15 +7999,15 @@
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-      "integrity": "sha1-CV6Ecv1bRiN9tQzkhqQ/S4bGzsE=",
+      "version": "1.14.2",
+      "resolved": "https://registry.npmmirror.com/serve-static/-/serve-static-1.14.2.tgz",
+      "integrity": "sha512-+TMNA9AFxUEGuC0z2mevogSnn9MXKb4fa7ngeRMJaaGv8vTwnIEkKi+QGvPt33HSnf8pRS+WGM0EbMtCJLKMBQ==",
       "dev": true,
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-        "escape-html": "1.0.3",
-        "parseurl": "1.3.2",
-        "send": "0.16.2"
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "parseurl": "~1.3.3",
+        "send": "0.17.2"
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@@ -7890,9 +8052,9 @@
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-      "resolved": "http://registry.npm.taobao.org/setprototypeof/download/setprototypeof-1.1.0.tgz",
-      "integrity": "sha1-0L2FU2iHtv58DYGMuWLZ2RxU5lY=",
+      "version": "1.2.0",
+      "resolved": "https://registry.npmmirror.com/setprototypeof/-/setprototypeof-1.2.0.tgz",
+      "integrity": "sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw==",
       "dev": true
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@@ -8198,9 +8360,9 @@
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-      "resolved": "http://registry.npm.taobao.org/statuses/download/statuses-1.4.0.tgz",
-      "integrity": "sha1-u3PURtonlhBu/MG2AaJT1sRr0Ic=",
+      "version": "1.5.0",
+      "resolved": "https://registry.npmmirror.com/statuses/-/statuses-1.5.0.tgz",
+      "integrity": "sha512-OpZ3zP+jT1PI7I8nemJX4AKmAX070ZkYPVWV/AaKTJl+tXCTGyVdC1a4SL8RUQYEwk/f34ZX8UTykN68FwrqAA==",
       "dev": true
     },
     "stream-browserify": {
@@ -8452,6 +8614,12 @@
         "repeat-string": "1.6.1"
       }
     },
+    "toidentifier": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmmirror.com/toidentifier/-/toidentifier-1.0.1.tgz",
+      "integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA==",
+      "dev": true
+    },
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       "resolved": "http://registry.npm.taobao.org/toposort/download/toposort-1.0.7.tgz",
@@ -8470,6 +8638,11 @@
       "integrity": "sha1-8shUBoALmw90yfdGW4HqrSQSUvg=",
       "dev": true
     },
+    "tslib": {
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+      "resolved": "https://registry.npmmirror.com/tslib/-/tslib-1.14.1.tgz",
+      "integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg=="
+    },
     "tty-browserify": {
       "version": "0.0.0",
       "resolved": "http://registry.npm.taobao.org/tty-browserify/download/tty-browserify-0.0.0.tgz",
@@ -8486,13 +8659,13 @@
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-      "resolved": "http://registry.npm.taobao.org/type-is/download/type-is-1.6.16.tgz",
-      "integrity": "sha1-+JzjQVQcZysl7nrjxz3uOyvlAZQ=",
+      "version": "1.6.18",
+      "resolved": "https://registry.npmmirror.com/type-is/-/type-is-1.6.18.tgz",
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-        "mime-types": "2.1.18"
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@@ -8673,8 +8846,8 @@
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-      "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=",
+      "resolved": "https://registry.npmmirror.com/unpipe/-/unpipe-1.0.0.tgz",
+      "integrity": "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ==",
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@@ -8860,8 +9033,8 @@
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-      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=",
+      "resolved": "https://registry.npmmirror.com/utils-merge/-/utils-merge-1.0.1.tgz",
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       "dev": true
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@@ -8876,8 +9049,8 @@
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-      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=",
+      "resolved": "https://registry.npmmirror.com/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==",
       "dev": true
     },
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@@ -8895,6 +9068,37 @@
         "indexof": "0.0.1"
       }
     },
+    "vue-eslint-parser": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmmirror.com/vue-eslint-parser/-/vue-eslint-parser-2.0.3.tgz",
+      "integrity": "sha512-ZezcU71Owm84xVF6gfurBQUGg8WQ+WZGxgDEQu1IHFBZNx7BFZg3L1yHxrCBNNwbwFtE1GuvfJKMtb6Xuwc/Bw==",
+      "dev": true,
+      "requires": {
+        "debug": "^3.1.0",
+        "eslint-scope": "^3.7.1",
+        "eslint-visitor-keys": "^1.0.0",
+        "espree": "^3.5.2",
+        "esquery": "^1.0.0",
+        "lodash": "^4.17.4"
+      },
+      "dependencies": {
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+          "resolved": "https://registry.npmmirror.com/debug/-/debug-3.2.7.tgz",
+          "integrity": "sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==",
+          "dev": true,
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
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+          "resolved": "https://registry.npmmirror.com/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+          "dev": true
+        }
+      }
+    },
     "vue-hot-reload-api": {
       "version": "2.3.0",
       "resolved": "http://registry.npm.taobao.org/vue-hot-reload-api/download/vue-hot-reload-api-2.3.0.tgz",
@@ -9133,6 +9337,210 @@
         "mkdirp": "0.5.1",
         "opener": "1.4.3",
         "ws": "4.1.0"
+      },
+      "dependencies": {
+        "body-parser": {
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+          "resolved": "https://registry.npmmirror.com/body-parser/-/body-parser-1.18.2.tgz",
+          "integrity": "sha512-XIXhPptoLGNcvFyyOzjNXCjDYIbYj4iuXO0VU9lM0f3kYdG0ar5yg7C+pIc3OyoTlZXDu5ObpLTmS2Cgp89oDg==",
+          "dev": true,
+          "requires": {
+            "bytes": "3.0.0",
+            "content-type": "~1.0.4",
+            "debug": "2.6.9",
+            "depd": "~1.1.1",
+            "http-errors": "~1.6.2",
+            "iconv-lite": "0.4.19",
+            "on-finished": "~2.3.0",
+            "qs": "6.5.1",
+            "raw-body": "2.3.2",
+            "type-is": "~1.6.15"
+          }
+        },
+        "bytes": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmmirror.com/bytes/-/bytes-3.0.0.tgz",
+          "integrity": "sha512-pMhOfFDPiv9t5jjIXkHosWmkSyQbvsgEVNkz0ERHbuLh2T/7j4Mqqpz523Fe8MVY89KC6Sh/QfS2sM+SjgFDcw==",
+          "dev": true
+        },
+        "content-disposition": {
+          "version": "0.5.2",
+          "resolved": "https://registry.npmmirror.com/content-disposition/-/content-disposition-0.5.2.tgz",
+          "integrity": "sha512-kRGRZw3bLlFISDBgwTSA1TMBFN6J6GWDeubmDE3AF+3+yXL8hTWv8r5rkLbqYXY4RjPk/EzHnClI3zQf1cFmHA==",
+          "dev": true
+        },
+        "cookie": {
+          "version": "0.3.1",
+          "resolved": "https://registry.npmmirror.com/cookie/-/cookie-0.3.1.tgz",
+          "integrity": "sha512-+IJOX0OqlHCszo2mBUq+SrEbCj6w7Kpffqx60zYbPTFaO4+yYgRjHwcZNpWvaTylDHaV7PPmBHzSecZiMhtPgw==",
+          "dev": true
+        },
+        "express": {
+          "version": "4.16.3",
+          "resolved": "https://registry.npmmirror.com/express/-/express-4.16.3.tgz",
+          "integrity": "sha512-CDaOBMB9knI6vx9SpIxEMOJ6VBbC2U/tYNILs0qv1YOZc15K9U2EcF06v10F0JX6IYcWnKYZJwIDJspEHLvUaQ==",
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+          "requires": {
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+            "array-flatten": "1.1.1",
+            "body-parser": "1.18.2",
+            "content-disposition": "0.5.2",
+            "content-type": "~1.0.4",
+            "cookie": "0.3.1",
+            "cookie-signature": "1.0.6",
+            "debug": "2.6.9",
+            "depd": "~1.1.2",
+            "encodeurl": "~1.0.2",
+            "escape-html": "~1.0.3",
+            "etag": "~1.8.1",
+            "finalhandler": "1.1.1",
+            "fresh": "0.5.2",
+            "merge-descriptors": "1.0.1",
+            "methods": "~1.1.2",
+            "on-finished": "~2.3.0",
+            "parseurl": "~1.3.2",
+            "path-to-regexp": "0.1.7",
+            "proxy-addr": "~2.0.3",
+            "qs": "6.5.1",
+            "range-parser": "~1.2.0",
+            "safe-buffer": "5.1.1",
+            "send": "0.16.2",
+            "serve-static": "1.13.2",
+            "setprototypeof": "1.1.0",
+            "statuses": "~1.4.0",
+            "type-is": "~1.6.16",
+            "utils-merge": "1.0.1",
+            "vary": "~1.1.2"
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+          "resolved": "https://registry.npmmirror.com/finalhandler/-/finalhandler-1.1.1.tgz",
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+          "dev": true,
+          "requires": {
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+            "encodeurl": "~1.0.2",
+            "escape-html": "~1.0.3",
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+            "statuses": "~1.4.0",
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+            "inherits": "2.0.3",
+            "setprototypeof": "1.1.0",
+            "statuses": ">= 1.4.0 < 2"
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+          "version": "0.4.19",
+          "resolved": "https://registry.npmmirror.com/iconv-lite/-/iconv-lite-0.4.19.tgz",
+          "integrity": "sha512-oTZqweIP51xaGPI4uPa56/Pri/480R+mo7SeU+YETByQNhDG55ycFyNLIgta9vXhILrxXDmF7ZGhqZIcuN0gJQ==",
+          "dev": true
+        },
+        "qs": {
+          "version": "6.5.1",
+          "resolved": "https://registry.npmmirror.com/qs/-/qs-6.5.1.tgz",
+          "integrity": "sha512-eRzhrN1WSINYCDCbrz796z37LOe3m5tmW7RQf6oBntukAG1nmovJvhnwHHRMAfeoItc1m2Hk02WER2aQ/iqs+A==",
+          "dev": true
+        },
+        "raw-body": {
+          "version": "2.3.2",
+          "resolved": "https://registry.npmmirror.com/raw-body/-/raw-body-2.3.2.tgz",
+          "integrity": "sha512-Ss0DsBxqLxCmQkfG5yazYhtbVVTJqS9jTsZG2lhrNwqzOk2SUC7O/NB/M//CkEBqsrtmlNgJCPccJGuYSFr6Vg==",
+          "dev": true,
+          "requires": {
+            "bytes": "3.0.0",
+            "http-errors": "1.6.2",
+            "iconv-lite": "0.4.19",
+            "unpipe": "1.0.0"
+          },
+          "dependencies": {
+            "depd": {
+              "version": "1.1.1",
+              "resolved": "https://registry.npmmirror.com/depd/-/depd-1.1.1.tgz",
+              "integrity": "sha512-Jlk9xvkTDGXwZiIDyoM7+3AsuvJVoyOpRupvEVy9nX3YO3/ieZxhlgh8GpLNZ8AY7HjO6y2YwpMSh1ejhu3uIw==",
+              "dev": true
+            },
+            "http-errors": {
+              "version": "1.6.2",
+              "resolved": "https://registry.npmmirror.com/http-errors/-/http-errors-1.6.2.tgz",
+              "integrity": "sha512-STnYGcKMXL9CGdtpeTFnLmgMSHTTNQJSHxiC4DETHKf934Q160Ht5pljrNeH24S0O9xUN+9vsDJZdZtk5js6Ww==",
+              "dev": true,
+              "requires": {
+                "depd": "1.1.1",
+                "inherits": "2.0.3",
+                "setprototypeof": "1.0.3",
+                "statuses": ">= 1.3.1 < 2"
+              }
+            },
+            "setprototypeof": {
+              "version": "1.0.3",
+              "resolved": "https://registry.npmmirror.com/setprototypeof/-/setprototypeof-1.0.3.tgz",
+              "integrity": "sha512-9jphSf3UbIgpOX/RKvX02iw/rN2TKdusnsPpGfO/rkcsrd+IRqgHZb4VGnmL0Cynps8Nj2hN45wsi30BzrHDIw==",
+              "dev": true
+            }
+          }
+        },
+        "safe-buffer": {
+          "version": "5.1.1",
+          "resolved": "https://registry.npmmirror.com/safe-buffer/-/safe-buffer-5.1.1.tgz",
+          "integrity": "sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg==",
+          "dev": true
+        },
+        "send": {
+          "version": "0.16.2",
+          "resolved": "https://registry.npmmirror.com/send/-/send-0.16.2.tgz",
+          "integrity": "sha512-E64YFPUssFHEFBvpbbjr44NCLtI1AohxQ8ZSiJjQLskAdKuriYEP6VyGEsRDH8ScozGpkaX1BGvhanqCwkcEZw==",
+          "dev": true,
+          "requires": {
+            "debug": "2.6.9",
+            "depd": "~1.1.2",
+            "destroy": "~1.0.4",
+            "encodeurl": "~1.0.2",
+            "escape-html": "~1.0.3",
+            "etag": "~1.8.1",
+            "fresh": "0.5.2",
+            "http-errors": "~1.6.2",
+            "mime": "1.4.1",
+            "ms": "2.0.0",
+            "on-finished": "~2.3.0",
+            "range-parser": "~1.2.0",
+            "statuses": "~1.4.0"
+          }
+        },
+        "serve-static": {
+          "version": "1.13.2",
+          "resolved": "https://registry.npmmirror.com/serve-static/-/serve-static-1.13.2.tgz",
+          "integrity": "sha512-p/tdJrO4U387R9oMjb1oj7qSMaMfmOyd4j9hOFoxZe2baQszgHcSWjuya/CiT5kgZZKRudHNOA0pYXOl8rQ5nw==",
+          "dev": true,
+          "requires": {
+            "encodeurl": "~1.0.2",
+            "escape-html": "~1.0.3",
+            "parseurl": "~1.3.2",
+            "send": "0.16.2"
+          }
+        },
+        "setprototypeof": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmmirror.com/setprototypeof/-/setprototypeof-1.1.0.tgz",
+          "integrity": "sha512-BvE/TwpZX4FXExxOxZyRGQQv651MSwmWKZGqvmPcRIjDqWub67kTKuIMx43cZZrS/cBBzwBcNDWoFxt2XEFIpQ==",
+          "dev": true
+        },
+        "statuses": {
+          "version": "1.4.0",
+          "resolved": "https://registry.npmmirror.com/statuses/-/statuses-1.4.0.tgz",
+          "integrity": "sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew==",
+          "dev": true
+        }
       }
     },
     "webpack-dev-middleware-hard-disk": {
diff --git a/example/package.json b/example/package.json
index a6364dc..29a0a5b 100644
--- a/example/package.json
+++ b/example/package.json
@@ -38,7 +38,7 @@
     "eslint-plugin-standard": "^3.0.1",
     "eslint-plugin-vue": "^4.7.0",
     "eventsource-polyfill": "^0.9.6",
-    "express": "^4.16.3",
+    "express": "^4.17.3",
     "extract-text-webpack-plugin": "^3.0.2",
     "file-loader": "^1.1.11",
     "friendly-errors-webpack-plugin": "^1.7.0",