diff --git a/package-lock.json b/package-lock.json
index 4d98e72..8292899 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,12 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@tootallnate/once": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@tootallnate/once/-/once-1.1.2.tgz",
+      "integrity": "sha512-RbzJvlNzmRq5c3O09UipeuXno4tA1FE6ikOjxZK0tuxVv3412l64l5t1W5pj4+rJq9vpkm/kwiR07aZXnsKPxw==",
+      "dev": true
+    },
     "@vercel/ncc": {
       "version": "0.29.0",
       "resolved": "https://registry.npmjs.org/@vercel/ncc/-/ncc-0.29.0.tgz",
@@ -33,6 +39,32 @@
         }
       }
     },
+    "agent-base": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-6.0.2.tgz",
+      "integrity": "sha512-RZNwNclF7+MS/8bDg70amg32dyeZGZxiDuQmZxKLAlQjr3jGyLx+4Kkk58UO7D2QdgFIQCovuSuZESne6RG6XQ==",
+      "dev": true,
+      "requires": {
+        "debug": "4"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.3.2",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.2.tgz",
+          "integrity": "sha512-mOp8wKcvj7XxC78zLgw/ZA+6TSgkoE2C/ienthhRD298T7UNwAg9diBpLRxC0mOezLl4B0xV7M0cCO6P/O0Xhw==",
+          "dev": true,
+          "requires": {
+            "ms": "2.1.2"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+          "dev": true
+        }
+      }
+    },
     "ajv": {
       "version": "4.11.8",
       "resolved": "http://registry.npm.taobao.org/ajv/download/ajv-4.11.8.tgz",
@@ -78,7 +110,7 @@
     },
     "argv": {
       "version": "0.0.2",
-      "resolved": "http://registry.npm.taobao.org/argv/download/argv-0.0.2.tgz",
+      "resolved": "https://registry.npmjs.org/argv/-/argv-0.0.2.tgz",
       "integrity": "sha1-7L0W+JSbFXGDcRsb2jNPN4QBhas=",
       "dev": true
     },
@@ -113,36 +145,6 @@
       "integrity": "sha1-iYUI2iIm84DfkEcoRWhJwVAaSw0=",
       "dev": true
     },
-    "asn1": {
-      "version": "0.2.3",
-      "resolved": "http://registry.npm.taobao.org/asn1/download/asn1-0.2.3.tgz",
-      "integrity": "sha1-2sh4dxPJlmhJ/IGAd36+nB3fO4Y=",
-      "dev": true
-    },
-    "assert-plus": {
-      "version": "0.2.0",
-      "resolved": "http://registry.npm.taobao.org/assert-plus/download/assert-plus-0.2.0.tgz",
-      "integrity": "sha1-104bh+ev/A24qttwIfP+SBAasjQ=",
-      "dev": true
-    },
-    "asynckit": {
-      "version": "0.4.0",
-      "resolved": "http://registry.npm.taobao.org/asynckit/download/asynckit-0.4.0.tgz",
-      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
-      "dev": true
-    },
-    "aws-sign2": {
-      "version": "0.6.0",
-      "resolved": "http://registry.npm.taobao.org/aws-sign2/download/aws-sign2-0.6.0.tgz",
-      "integrity": "sha1-FDQt0428yU0OW4fXY81jYSwOeU8=",
-      "dev": true
-    },
-    "aws4": {
-      "version": "1.6.0",
-      "resolved": "http://registry.npm.taobao.org/aws4/download/aws4-1.6.0.tgz",
-      "integrity": "sha1-g+9cqGCysy5KDe7e6MdxudtXRx4=",
-      "dev": true
-    },
     "babel-code-frame": {
       "version": "6.26.0",
       "resolved": "http://registry.npm.taobao.org/babel-code-frame/download/babel-code-frame-6.26.0.tgz",
@@ -160,25 +162,6 @@
       "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
       "dev": true
     },
-    "bcrypt-pbkdf": {
-      "version": "1.0.1",
-      "resolved": "http://registry.npm.taobao.org/bcrypt-pbkdf/download/bcrypt-pbkdf-1.0.1.tgz",
-      "integrity": "sha1-Y7xdy2EzG5K8Bf1SiVPDNGKgb40=",
-      "dev": true,
-      "optional": true,
-      "requires": {
-        "tweetnacl": "^0.14.3"
-      }
-    },
-    "boom": {
-      "version": "2.10.1",
-      "resolved": "http://registry.npm.taobao.org/boom/download/boom-2.10.1.tgz",
-      "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
-      "dev": true,
-      "requires": {
-        "hoek": "2.x.x"
-      }
-    },
     "brace-expansion": {
       "version": "1.1.11",
       "resolved": "http://registry.npm.taobao.org/brace-expansion/download/brace-expansion-1.1.11.tgz",
@@ -216,12 +199,6 @@
       "integrity": "sha1-r6uWJikQp/M8GaV3WCXGnzTjUMo=",
       "dev": true
     },
-    "caseless": {
-      "version": "0.11.0",
-      "resolved": "http://registry.npm.taobao.org/caseless/download/caseless-0.11.0.tgz",
-      "integrity": "sha1-cVuW6phBWTzDMGeSP17GDr2k99c=",
-      "dev": true
-    },
     "chalk": {
       "version": "1.1.3",
       "resolved": "http://registry.npm.taobao.org/chalk/download/chalk-1.1.3.tgz",
@@ -269,31 +246,30 @@
       "dev": true
     },
     "codecov": {
-      "version": "2.3.1",
-      "resolved": "http://registry.npm.taobao.org/codecov/download/codecov-2.3.1.tgz",
-      "integrity": "sha1-fdqUXNWKH2CBAltbA+4Bou8g+G4=",
+      "version": "3.7.1",
+      "resolved": "https://registry.npmjs.org/codecov/-/codecov-3.7.1.tgz",
+      "integrity": "sha512-JHWxyPTkMLLJn9SmKJnwAnvY09kg2Os2+Ux+GG7LwZ9g8gzDDISpIN5wAsH1UBaafA/yGcd3KofMaorE8qd6Lw==",
       "dev": true,
       "requires": {
         "argv": "0.0.2",
-        "request": "2.77.0",
+        "ignore-walk": "3.0.3",
+        "js-yaml": "3.13.1",
+        "teeny-request": "6.0.1",
         "urlgrey": "0.4.4"
+      },
+      "dependencies": {
+        "js-yaml": {
+          "version": "3.13.1",
+          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.13.1.tgz",
+          "integrity": "sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==",
+          "dev": true,
+          "requires": {
+            "argparse": "^1.0.7",
+            "esprima": "^4.0.0"
+          }
+        }
       }
     },
-    "combined-stream": {
-      "version": "1.0.6",
-      "resolved": "http://registry.npm.taobao.org/combined-stream/download/combined-stream-1.0.6.tgz",
-      "integrity": "sha1-cj599ugBrFYTETp+RFqbactjKBg=",
-      "dev": true,
-      "requires": {
-        "delayed-stream": "~1.0.0"
-      }
-    },
-    "commander": {
-      "version": "2.14.1",
-      "resolved": "http://registry.npm.taobao.org/commander/download/commander-2.14.1.tgz",
-      "integrity": "sha1-IjUSPjevjKPGXfRbAm29NXsBuao=",
-      "dev": true
-    },
     "concat-map": {
       "version": "0.0.1",
       "resolved": "http://registry.npm.taobao.org/concat-map/download/concat-map-0.0.1.tgz",
@@ -334,15 +310,6 @@
         "which": "^1.2.9"
       }
     },
-    "cryptiles": {
-      "version": "2.0.5",
-      "resolved": "http://registry.npm.taobao.org/cryptiles/download/cryptiles-2.0.5.tgz",
-      "integrity": "sha1-O9/s3GCBR8HGcgL6KR59ylnqo7g=",
-      "dev": true,
-      "requires": {
-        "boom": "2.x.x"
-      }
-    },
     "d": {
       "version": "1.0.0",
       "resolved": "http://registry.npm.taobao.org/d/download/d-1.0.0.tgz",
@@ -352,23 +319,6 @@
         "es5-ext": "^0.10.9"
       }
     },
-    "dashdash": {
-      "version": "1.14.1",
-      "resolved": "http://registry.npm.taobao.org/dashdash/download/dashdash-1.14.1.tgz",
-      "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
-      "dev": true,
-      "requires": {
-        "assert-plus": "^1.0.0"
-      },
-      "dependencies": {
-        "assert-plus": {
-          "version": "1.0.0",
-          "resolved": "http://registry.npm.taobao.org/assert-plus/download/assert-plus-1.0.0.tgz",
-          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-          "dev": true
-        }
-      }
-    },
     "debug": {
       "version": "2.6.9",
       "resolved": "http://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz",
@@ -429,12 +379,6 @@
         "rimraf": "^2.2.8"
       }
     },
-    "delayed-stream": {
-      "version": "1.0.0",
-      "resolved": "http://registry.npm.taobao.org/delayed-stream/download/delayed-stream-1.0.0.tgz",
-      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
-      "dev": true
-    },
     "diff": {
       "version": "3.2.0",
       "resolved": "http://registry.npm.taobao.org/diff/download/diff-3.2.0.tgz",
@@ -455,16 +399,6 @@
         "esutils": "^2.0.2"
       }
     },
-    "ecc-jsbn": {
-      "version": "0.1.1",
-      "resolved": "http://registry.npm.taobao.org/ecc-jsbn/download/ecc-jsbn-0.1.1.tgz",
-      "integrity": "sha1-D8c6ntXw1Tw4GTOYUj735UN3dQU=",
-      "dev": true,
-      "optional": true,
-      "requires": {
-        "jsbn": "~0.1.0"
-      }
-    },
     "error-ex": {
       "version": "1.3.1",
       "resolved": "http://registry.npm.taobao.org/error-ex/download/error-ex-1.3.1.tgz",
@@ -805,18 +739,6 @@
       "integrity": "sha1-8FyiM7SMBdVP/wd2XfhQfpXAL/g=",
       "dev": true
     },
-    "extend": {
-      "version": "3.0.1",
-      "resolved": "http://registry.npm.taobao.org/extend/download/extend-3.0.1.tgz",
-      "integrity": "sha1-p1Xqe8Gt/MWjHOfnYtuq3F5jZEQ=",
-      "dev": true
-    },
-    "extsprintf": {
-      "version": "1.3.0",
-      "resolved": "http://registry.npm.taobao.org/extsprintf/download/extsprintf-1.3.0.tgz",
-      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU=",
-      "dev": true
-    },
     "fast-levenshtein": {
       "version": "2.0.6",
       "resolved": "http://registry.npm.taobao.org/fast-levenshtein/download/fast-levenshtein-2.0.6.tgz",
@@ -887,23 +809,6 @@
       "integrity": "sha1-C+4AUBiusmDQo6865ljdATbsG5k=",
       "dev": true
     },
-    "forever-agent": {
-      "version": "0.6.1",
-      "resolved": "http://registry.npm.taobao.org/forever-agent/download/forever-agent-0.6.1.tgz",
-      "integrity": "sha1-+8cfDEGt6zf5bFd60e1C2P2sypE=",
-      "dev": true
-    },
-    "form-data": {
-      "version": "2.1.4",
-      "resolved": "http://registry.npm.taobao.org/form-data/download/form-data-2.1.4.tgz",
-      "integrity": "sha1-M8GDrPGTJ27KqYFDpp6Uv+4XUNE=",
-      "dev": true,
-      "requires": {
-        "asynckit": "^0.4.0",
-        "combined-stream": "^1.0.5",
-        "mime-types": "^2.1.12"
-      }
-    },
     "formatio": {
       "version": "1.2.0",
       "resolved": "http://registry.npm.taobao.org/formatio/download/formatio-1.2.0.tgz",
@@ -946,23 +851,6 @@
       "integrity": "sha1-Ei4WFZHiH/TFJTAwVpPyDmOTo5g=",
       "dev": true
     },
-    "getpass": {
-      "version": "0.1.7",
-      "resolved": "http://registry.npm.taobao.org/getpass/download/getpass-0.1.7.tgz",
-      "integrity": "sha1-Xv+OPmhNVprkyysSgmBOi6YhSfo=",
-      "dev": true,
-      "requires": {
-        "assert-plus": "^1.0.0"
-      },
-      "dependencies": {
-        "assert-plus": {
-          "version": "1.0.0",
-          "resolved": "http://registry.npm.taobao.org/assert-plus/download/assert-plus-1.0.0.tgz",
-          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-          "dev": true
-        }
-      }
-    },
     "glob": {
       "version": "7.1.2",
       "resolved": "http://registry.npm.taobao.org/glob/download/glob-7.1.2.tgz",
@@ -1015,18 +903,6 @@
       "integrity": "sha1-Dqd0NxXbjY3ixe3hd14bRayFwC8=",
       "dev": true
     },
-    "har-validator": {
-      "version": "2.0.6",
-      "resolved": "http://registry.npm.taobao.org/har-validator/download/har-validator-2.0.6.tgz",
-      "integrity": "sha1-zcvAgYgmWtEZtqWnyKtw7s+10n0=",
-      "dev": true,
-      "requires": {
-        "chalk": "^1.1.1",
-        "commander": "^2.9.0",
-        "is-my-json-valid": "^2.12.4",
-        "pinkie-promise": "^2.0.0"
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       "version": "1.0.1",
       "resolved": "http://registry.npm.taobao.org/has/download/has-1.0.1.tgz",
@@ -1057,39 +933,71 @@
       "integrity": "sha1-uhqPGvKg/DllD1yFA2dwQSIGO0Q=",
       "dev": true
     },
-    "hawk": {
-      "version": "3.1.3",
-      "resolved": "http://registry.npm.taobao.org/hawk/download/hawk-3.1.3.tgz",
-      "integrity": "sha1-B4REvXwWQLD+VA0sm3PVlnjo4cQ=",
-      "dev": true,
-      "requires": {
-        "boom": "2.x.x",
-        "cryptiles": "2.x.x",
-        "hoek": "2.x.x",
-        "sntp": "1.x.x"
-      }
-    },
     "he": {
       "version": "1.1.1",
       "resolved": "http://registry.npm.taobao.org/he/download/he-1.1.1.tgz",
       "integrity": "sha1-k0EP0hsAlzUVH4howvJx80J+I/0=",
       "dev": true
     },
-    "hoek": {
-      "version": "2.16.3",
-      "resolved": "http://registry.npm.taobao.org/hoek/download/hoek-2.16.3.tgz",
-      "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=",
-      "dev": true
+    "http-proxy-agent": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/http-proxy-agent/-/http-proxy-agent-4.0.1.tgz",
+      "integrity": "sha512-k0zdNgqWTGA6aeIRVpvfVob4fL52dTfaehylg0Y4UvSySvOq/Y+BOyPrgpUrA7HylqvU8vIZGsRuXmspskV0Tg==",
+      "dev": true,
+      "requires": {
+        "@tootallnate/once": "1",
+        "agent-base": "6",
+        "debug": "4"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.3.2",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.2.tgz",
+          "integrity": "sha512-mOp8wKcvj7XxC78zLgw/ZA+6TSgkoE2C/ienthhRD298T7UNwAg9diBpLRxC0mOezLl4B0xV7M0cCO6P/O0Xhw==",
+          "dev": true,
+          "requires": {
+            "ms": "2.1.2"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+          "dev": true
+        }
+      }
     },
-    "http-signature": {
-      "version": "1.1.1",
-      "resolved": "http://registry.npm.taobao.org/http-signature/download/http-signature-1.1.1.tgz",
-      "integrity": "sha1-33LiZwZs0Kxn+3at+OE0qPvPkb8=",
+    "https-proxy-agent": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-4.0.0.tgz",
+      "integrity": "sha512-zoDhWrkR3of1l9QAL8/scJZyLu8j/gBkcwcaQOZh7Gyh/+uJQzGVETdgT30akuwkpL8HTRfssqI3BZuV18teDg==",
       "dev": true,
       "requires": {
-        "assert-plus": "^0.2.0",
-        "jsprim": "^1.2.2",
-        "sshpk": "^1.7.0"
+        "agent-base": "5",
+        "debug": "4"
+      },
+      "dependencies": {
+        "agent-base": {
+          "version": "5.1.1",
+          "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-5.1.1.tgz",
+          "integrity": "sha512-TMeqbNl2fMW0nMjTEPOwe3J/PRFP4vqeoNuQMG0HlMrtm5QxKqdvAkZ1pRBQ/ulIyDD5Yq0nJ7YbdD8ey0TO3g==",
+          "dev": true
+        },
+        "debug": {
+          "version": "4.3.2",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.2.tgz",
+          "integrity": "sha512-mOp8wKcvj7XxC78zLgw/ZA+6TSgkoE2C/ienthhRD298T7UNwAg9diBpLRxC0mOezLl4B0xV7M0cCO6P/O0Xhw==",
+          "dev": true,
+          "requires": {
+            "ms": "2.1.2"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+          "dev": true
+        }
       }
     },
     "ignore": {
@@ -1098,6 +1006,15 @@
       "integrity": "sha1-YSKJv7PCIOGGpYEYYY1b6MG6sCE=",
       "dev": true
     },
+    "ignore-walk": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/ignore-walk/-/ignore-walk-3.0.3.tgz",
+      "integrity": "sha512-m7o6xuOaT1aqheYHKf8W6J5pYH85ZI9w077erOzLje3JsB1gkafkAhHHY19dqjulgIZHFm32Cp5uNZgcQqdJKw==",
+      "dev": true,
+      "requires": {
+        "minimatch": "^3.0.4"
+      }
+    },
     "imurmurhash": {
       "version": "0.1.4",
       "resolved": "http://registry.npm.taobao.org/imurmurhash/download/imurmurhash-0.1.4.tgz",
@@ -1250,12 +1167,6 @@
       "integrity": "sha1-PMWfAAJRlLarLjjbrmaJJWtmBXI=",
       "dev": true
     },
-    "is-typedarray": {
-      "version": "1.0.0",
-      "resolved": "http://registry.npm.taobao.org/is-typedarray/download/is-typedarray-1.0.0.tgz",
-      "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo=",
-      "dev": true
-    },
     "isarray": {
       "version": "1.0.0",
       "resolved": "http://registry.npm.taobao.org/isarray/download/isarray-1.0.0.tgz",
@@ -1268,12 +1179,6 @@
       "integrity": "sha1-6PvzdNxVb/iUehDcsFctYz8s+hA=",
       "dev": true
     },
-    "isstream": {
-      "version": "0.1.2",
-      "resolved": "http://registry.npm.taobao.org/isstream/download/isstream-0.1.2.tgz",
-      "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo=",
-      "dev": true
-    },
     "js-tokens": {
       "version": "3.0.2",
       "resolved": "http://registry.npm.taobao.org/js-tokens/download/js-tokens-3.0.2.tgz",
@@ -1290,25 +1195,12 @@
         "esprima": "^4.0.0"
       }
     },
-    "jsbn": {
-      "version": "0.1.1",
-      "resolved": "http://registry.npm.taobao.org/jsbn/download/jsbn-0.1.1.tgz",
-      "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM=",
-      "dev": true,
-      "optional": true
-    },
     "json-parse-better-errors": {
       "version": "1.0.1",
       "resolved": "http://registry.npm.taobao.org/json-parse-better-errors/download/json-parse-better-errors-1.0.1.tgz",
       "integrity": "sha1-UBg80bLSUnXeBp6ecbRnrJ6rlzo=",
       "dev": true
     },
-    "json-schema": {
-      "version": "0.2.3",
-      "resolved": "http://registry.npm.taobao.org/json-schema/download/json-schema-0.2.3.tgz",
-      "integrity": "sha1-tIDIkuWaLwWVTOcnvT8qTogvnhM=",
-      "dev": true
-    },
     "json-stable-stringify": {
       "version": "1.0.1",
       "resolved": "http://registry.npm.taobao.org/json-stable-stringify/download/json-stable-stringify-1.0.1.tgz",
@@ -1318,12 +1210,6 @@
         "jsonify": "~0.0.0"
       }
     },
-    "json-stringify-safe": {
-      "version": "5.0.1",
-      "resolved": "http://registry.npm.taobao.org/json-stringify-safe/download/json-stringify-safe-5.0.1.tgz",
-      "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus=",
-      "dev": true
-    },
     "json3": {
       "version": "3.3.2",
       "resolved": "http://registry.npm.taobao.org/json3/download/json3-3.3.2.tgz",
@@ -1342,26 +1228,6 @@
       "integrity": "sha1-T9kss04OnbPInIYi7PUfm5eMbLk=",
       "dev": true
     },
-    "jsprim": {
-      "version": "1.4.1",
-      "resolved": "http://registry.npm.taobao.org/jsprim/download/jsprim-1.4.1.tgz",
-      "integrity": "sha1-MT5mvB5cwG5Di8G3SZwuXFastqI=",
-      "dev": true,
-      "requires": {
-        "assert-plus": "1.0.0",
-        "extsprintf": "1.3.0",
-        "json-schema": "0.2.3",
-        "verror": "1.10.0"
-      },
-      "dependencies": {
-        "assert-plus": {
-          "version": "1.0.0",
-          "resolved": "http://registry.npm.taobao.org/assert-plus/download/assert-plus-1.0.0.tgz",
-          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-          "dev": true
-        }
-      }
-    },
     "jsx-ast-utils": {
       "version": "1.4.1",
       "resolved": "http://registry.npm.taobao.org/jsx-ast-utils/download/jsx-ast-utils-1.4.1.tgz",
@@ -1518,21 +1384,6 @@
       "integrity": "sha1-sAqqVW3YtEVoFQ7J0blT8/kMu2E=",
       "dev": true
     },
-    "mime-db": {
-      "version": "1.33.0",
-      "resolved": "http://registry.npm.taobao.org/mime-db/download/mime-db-1.33.0.tgz",
-      "integrity": "sha1-o0kgUKXLm2NFBUHjnZeI0icng9s=",
-      "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=",
-      "dev": true,
-      "requires": {
-        "mime-db": "~1.33.0"
-      }
-    },
     "minimatch": {
       "version": "3.0.4",
       "resolved": "http://registry.npm.taobao.org/minimatch/download/minimatch-3.0.4.tgz",
@@ -1650,10 +1501,10 @@
       "integrity": "sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc=",
       "dev": true
     },
-    "node-uuid": {
-      "version": "1.4.8",
-      "resolved": "http://registry.npm.taobao.org/node-uuid/download/node-uuid-1.4.8.tgz",
-      "integrity": "sha1-sEDrCSOWivq/jTL7HxfxFn/auQc=",
+    "node-fetch": {
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.1.tgz",
+      "integrity": "sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw==",
       "dev": true
     },
     "number-is-nan": {
@@ -3236,12 +3087,6 @@
         }
       }
     },
-    "oauth-sign": {
-      "version": "0.8.2",
-      "resolved": "http://registry.npm.taobao.org/oauth-sign/download/oauth-sign-0.8.2.tgz",
-      "integrity": "sha1-Rqarfwrq2N6unsBWV4C31O/rnUM=",
-      "dev": true
-    },
     "object-assign": {
       "version": "4.1.1",
       "resolved": "http://registry.npm.taobao.org/object-assign/download/object-assign-4.1.1.tgz",
@@ -3499,18 +3344,6 @@
       "integrity": "sha1-8FKijacOYYkX7wqKw0wa5aaChrM=",
       "dev": true
     },
-    "punycode": {
-      "version": "1.4.1",
-      "resolved": "http://registry.npm.taobao.org/punycode/download/punycode-1.4.1.tgz",
-      "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4=",
-      "dev": true
-    },
-    "qs": {
-      "version": "6.3.2",
-      "resolved": "http://registry.npm.taobao.org/qs/download/qs-6.3.2.tgz",
-      "integrity": "sha1-51vV9uJoEioqDgvaYwslUMFmUCw=",
-      "dev": true
-    },
     "readable-stream": {
       "version": "2.3.4",
       "resolved": "http://registry.npm.taobao.org/readable-stream/download/readable-stream-2.3.4.tgz",
@@ -3546,34 +3379,6 @@
         "resolve": "^1.1.6"
       }
     },
-    "request": {
-      "version": "2.77.0",
-      "resolved": "http://registry.npm.taobao.org/request/download/request-2.77.0.tgz",
-      "integrity": "sha1-KwDYIDDt7cyXCJ/6XYgQqcKqMUs=",
-      "dev": true,
-      "requires": {
-        "aws-sign2": "~0.6.0",
-        "aws4": "^1.2.1",
-        "caseless": "~0.11.0",
-        "combined-stream": "~1.0.5",
-        "extend": "~3.0.0",
-        "forever-agent": "~0.6.1",
-        "form-data": "~2.1.1",
-        "har-validator": "~2.0.6",
-        "hawk": "~3.1.3",
-        "http-signature": "~1.1.0",
-        "is-typedarray": "~1.0.0",
-        "isstream": "~0.1.2",
-        "json-stringify-safe": "~5.0.1",
-        "mime-types": "~2.1.7",
-        "node-uuid": "~1.4.7",
-        "oauth-sign": "~0.8.1",
-        "qs": "~6.3.0",
-        "stringstream": "~0.0.4",
-        "tough-cookie": "~2.3.0",
-        "tunnel-agent": "~0.4.1"
-      }
-    },
     "require-uncached": {
       "version": "1.0.3",
       "resolved": "http://registry.npm.taobao.org/require-uncached/download/require-uncached-1.0.3.tgz",
@@ -3717,45 +3522,12 @@
       "integrity": "sha1-7b+JA/ZvfOL46v1s7tZeJkyDGzU=",
       "dev": true
     },
-    "sntp": {
-      "version": "1.0.9",
-      "resolved": "http://registry.npm.taobao.org/sntp/download/sntp-1.0.9.tgz",
-      "integrity": "sha1-ZUEYTMkK7qbG57NeJlkIJEPGYZg=",
-      "dev": true,
-      "requires": {
-        "hoek": "2.x.x"
-      }
-    },
     "sprintf-js": {
       "version": "1.0.3",
       "resolved": "http://registry.npm.taobao.org/sprintf-js/download/sprintf-js-1.0.3.tgz",
       "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=",
       "dev": true
     },
-    "sshpk": {
-      "version": "1.13.1",
-      "resolved": "http://registry.npm.taobao.org/sshpk/download/sshpk-1.13.1.tgz",
-      "integrity": "sha1-US322mKHFEMW3EwY/hzx2UBzm+M=",
-      "dev": true,
-      "requires": {
-        "asn1": "~0.2.3",
-        "assert-plus": "^1.0.0",
-        "bcrypt-pbkdf": "^1.0.0",
-        "dashdash": "^1.12.0",
-        "ecc-jsbn": "~0.1.1",
-        "getpass": "^0.1.1",
-        "jsbn": "~0.1.0",
-        "tweetnacl": "~0.14.0"
-      },
-      "dependencies": {
-        "assert-plus": {
-          "version": "1.0.0",
-          "resolved": "http://registry.npm.taobao.org/assert-plus/download/assert-plus-1.0.0.tgz",
-          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-          "dev": true
-        }
-      }
-    },
     "standard": {
       "version": "10.0.3",
       "resolved": "http://registry.npm.taobao.org/standard/download/standard-10.0.3.tgz",
@@ -3793,6 +3565,15 @@
         }
       }
     },
+    "stream-events": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/stream-events/-/stream-events-1.0.5.tgz",
+      "integrity": "sha512-E1GUzBSgvct8Jsb3v2X15pjzN1tYebtbLaMg+eBOUOAxgbLoSbT2NS91ckc5lJD1KfLjId+jXJRgo0qnV5Nerg==",
+      "dev": true,
+      "requires": {
+        "stubs": "^3.0.0"
+      }
+    },
     "string-width": {
       "version": "1.0.2",
       "resolved": "http://registry.npm.taobao.org/string-width/download/string-width-1.0.2.tgz",
@@ -3813,12 +3594,6 @@
         "safe-buffer": "~5.1.0"
       }
     },
-    "stringstream": {
-      "version": "0.0.5",
-      "resolved": "http://registry.npm.taobao.org/stringstream/download/stringstream-0.0.5.tgz",
-      "integrity": "sha1-TkhM1N5aC7vuGORjB3EKioFiGHg=",
-      "dev": true
-    },
     "strip-ansi": {
       "version": "3.0.1",
       "resolved": "http://registry.npm.taobao.org/strip-ansi/download/strip-ansi-3.0.1.tgz",
@@ -3840,6 +3615,12 @@
       "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo=",
       "dev": true
     },
+    "stubs": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/stubs/-/stubs-3.0.0.tgz",
+      "integrity": "sha1-6NK6H6nJBXAwPAMLaQD31fiavls=",
+      "dev": true
+    },
     "supports-color": {
       "version": "2.0.0",
       "resolved": "http://registry.npm.taobao.org/supports-color/download/supports-color-2.0.0.tgz",
@@ -3893,6 +3674,19 @@
         }
       }
     },
+    "teeny-request": {
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/teeny-request/-/teeny-request-6.0.1.tgz",
+      "integrity": "sha512-TAK0c9a00ELOqLrZ49cFxvPVogMUFaWY8dUsQc/0CuQPGF+BOxOQzXfE413BAk2kLomwNplvdtMpeaeGWmoc2g==",
+      "dev": true,
+      "requires": {
+        "http-proxy-agent": "^4.0.0",
+        "https-proxy-agent": "^4.0.0",
+        "node-fetch": "^2.2.0",
+        "stream-events": "^1.0.5",
+        "uuid": "^3.3.2"
+      }
+    },
     "text-encoding": {
       "version": "0.6.4",
       "resolved": "http://registry.npm.taobao.org/text-encoding/download/text-encoding-0.6.4.tgz",
@@ -3911,28 +3705,6 @@
       "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=",
       "dev": true
     },
-    "tough-cookie": {
-      "version": "2.3.3",
-      "resolved": "http://registry.npm.taobao.org/tough-cookie/download/tough-cookie-2.3.3.tgz",
-      "integrity": "sha1-C2GKVWW23qkL80JdBNVe3EdadWE=",
-      "dev": true,
-      "requires": {
-        "punycode": "^1.4.1"
-      }
-    },
-    "tunnel-agent": {
-      "version": "0.4.3",
-      "resolved": "http://registry.npm.taobao.org/tunnel-agent/download/tunnel-agent-0.4.3.tgz",
-      "integrity": "sha1-Y3PbdpCf5XDgjXNYM2Xtgop07us=",
-      "dev": true
-    },
-    "tweetnacl": {
-      "version": "0.14.5",
-      "resolved": "http://registry.npm.taobao.org/tweetnacl/download/tweetnacl-0.14.5.tgz",
-      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
-      "dev": true,
-      "optional": true
-    },
     "type-check": {
       "version": "0.3.2",
       "resolved": "http://registry.npm.taobao.org/type-check/download/type-check-0.3.2.tgz",
@@ -3962,7 +3734,7 @@
     },
     "urlgrey": {
       "version": "0.4.4",
-      "resolved": "http://registry.npm.taobao.org/urlgrey/download/urlgrey-0.4.4.tgz",
+      "resolved": "https://registry.npmjs.org/urlgrey/-/urlgrey-0.4.4.tgz",
       "integrity": "sha1-iS/pWWCAXoVRnxzUOJ8stMu3ZS8=",
       "dev": true
     },
@@ -3981,24 +3753,11 @@
       "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
       "dev": true
     },
-    "verror": {
-      "version": "1.10.0",
-      "resolved": "http://registry.npm.taobao.org/verror/download/verror-1.10.0.tgz",
-      "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
-      "dev": true,
-      "requires": {
-        "assert-plus": "^1.0.0",
-        "core-util-is": "1.0.2",
-        "extsprintf": "^1.2.0"
-      },
-      "dependencies": {
-        "assert-plus": {
-          "version": "1.0.0",
-          "resolved": "http://registry.npm.taobao.org/assert-plus/download/assert-plus-1.0.0.tgz",
-          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-          "dev": true
-        }
-      }
+    "uuid": {
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
+      "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==",
+      "dev": true
     },
     "which": {
       "version": "1.3.0",
diff --git a/package.json b/package.json
index c576350..997149c 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "cross-spawn": "5.1.0",
     "semver-regex": "1.0.0",
     "@vercel/ncc": "^0.29.0",
-    "codecov": "^2.0.0",
+    "codecov": "^3.7.1",
     "docdash": "web-build-hub/docdash",
     "eslint": "^3.16.1",
     "mocha": "^3.2.0",