diff --git a/package-lock.json b/package-lock.json
index 8e62af4..4e14cfd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,14 +22,14 @@
       }
     },
     "ajv": {
-      "version": "5.5.2",
-      "resolved": "http://registry.npm.taobao.org/ajv/download/ajv-5.5.2.tgz",
-      "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
+      "version": "6.12.2",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.2.tgz",
+      "integrity": "sha512-k+V+hzjm5q/Mr8ef/1Y9goCmlsK4I6Sm74teeyGvFk1XrOsbsKLjEdrvny42CZ+a8sXbk8KWpY/bDwS+FLL2UQ==",
       "requires": {
-        "co": "4.6.0",
-        "fast-deep-equal": "1.0.0",
-        "fast-json-stable-stringify": "2.0.0",
-        "json-schema-traverse": "0.3.1"
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
       }
     },
     "ansi-regex": {
@@ -43,11 +43,11 @@
       "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4="
     },
     "argparse": {
-      "version": "1.0.9",
-      "resolved": "http://registry.npm.taobao.org/argparse/download/argparse-1.0.9.tgz",
-      "integrity": "sha1-c9g7wmP4bpf4zE9rrhsOkKfSLIY=",
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
+      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
       "requires": {
-        "sprintf-js": "1.0.3"
+        "sprintf-js": "~1.0.2"
       }
     },
     "array-flatten": {
@@ -56,29 +56,32 @@
       "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
     },
     "asn1": {
-      "version": "0.2.3",
-      "resolved": "http://registry.npm.taobao.org/asn1/download/asn1-0.2.3.tgz",
-      "integrity": "sha1-2sh4dxPJlmhJ/IGAd36+nB3fO4Y="
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
+      "integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
+      "requires": {
+        "safer-buffer": "~2.1.0"
+      }
     },
     "assert-plus": {
       "version": "1.0.0",
-      "resolved": "http://registry.npm.taobao.org/assert-plus/download/assert-plus-1.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
       "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
     },
     "asynckit": {
       "version": "0.4.0",
-      "resolved": "http://registry.npm.taobao.org/asynckit/download/asynckit-0.4.0.tgz",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
       "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
     },
     "aws-sign2": {
       "version": "0.7.0",
-      "resolved": "http://registry.npm.taobao.org/aws-sign2/download/aws-sign2-0.7.0.tgz",
+      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
       "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg="
     },
     "aws4": {
-      "version": "1.6.0",
-      "resolved": "http://registry.npm.taobao.org/aws4/download/aws4-1.6.0.tgz",
-      "integrity": "sha1-g+9cqGCysy5KDe7e6MdxudtXRx4="
+      "version": "1.9.1",
+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.9.1.tgz",
+      "integrity": "sha512-wMHVg2EOHaMRxbzgFJ9gtjOOCrI80OHLG14rxi28XwOW8ux6IiEbRCGGGqCtdAIg4FQCbW20k9RsT4y3gJlFug=="
     },
     "balanced-match": {
       "version": "1.0.0",
@@ -91,12 +94,11 @@
       "integrity": "sha1-3DQxT05nkxgJP8dgJyUl+UvyXBY="
     },
     "bcrypt-pbkdf": {
-      "version": "1.0.1",
-      "resolved": "http://registry.npm.taobao.org/bcrypt-pbkdf/download/bcrypt-pbkdf-1.0.1.tgz",
-      "integrity": "sha1-Y7xdy2EzG5K8Bf1SiVPDNGKgb40=",
-      "optional": true,
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
+      "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
       "requires": {
-        "tweetnacl": "0.14.5"
+        "tweetnacl": "^0.14.3"
       }
     },
     "body-parser": {
@@ -126,14 +128,6 @@
         }
       }
     },
-    "boom": {
-      "version": "4.3.1",
-      "resolved": "http://registry.npm.taobao.org/boom/download/boom-4.3.1.tgz",
-      "integrity": "sha1-T4owBctKfjiJ90kDD9JbluAdLjE=",
-      "requires": {
-        "hoek": "4.2.0"
-      }
-    },
     "brace-expansion": {
       "version": "1.1.8",
       "resolved": "http://registry.npm.taobao.org/brace-expansion/download/brace-expansion-1.1.8.tgz",
@@ -155,7 +149,7 @@
     },
     "caseless": {
       "version": "0.12.0",
-      "resolved": "http://registry.npm.taobao.org/caseless/download/caseless-0.12.0.tgz",
+      "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
       "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
     },
     "chalk": {
@@ -195,22 +189,17 @@
         "through2": "2.0.3"
       }
     },
-    "co": {
-      "version": "4.6.0",
-      "resolved": "http://registry.npm.taobao.org/co/download/co-4.6.0.tgz",
-      "integrity": "sha1-bqa989hTrlTMuOR7+gvz+QMfsYQ="
-    },
     "colors": {
       "version": "1.2.1",
       "resolved": "http://registry.npm.taobao.org/colors/download/colors-1.2.1.tgz",
       "integrity": "sha1-9KPTApdqrwQjVroa3jsaLGLZ15Q="
     },
     "combined-stream": {
-      "version": "1.0.5",
-      "resolved": "http://registry.npm.taobao.org/combined-stream/download/combined-stream-1.0.5.tgz",
-      "integrity": "sha1-k4NwpXtKUd6ix3wV1cX9+JUWQAk=",
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
+      "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
       "requires": {
-        "delayed-stream": "1.0.0"
+        "delayed-stream": "~1.0.0"
       }
     },
     "concat-map": {
@@ -260,41 +249,30 @@
       "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
     },
     "coveralls": {
-      "version": "3.0.0",
-      "resolved": "http://registry.npm.taobao.org/coveralls/download/coveralls-3.0.0.tgz",
-      "integrity": "sha1-Iu9zAzBTgIDSm4wVHckUav3oipk=",
-      "requires": {
-        "js-yaml": "3.10.0",
-        "lcov-parse": "0.0.10",
-        "log-driver": "1.2.5",
-        "minimist": "1.2.0",
-        "request": "2.83.0"
-      }
-    },
-    "cryptiles": {
-      "version": "3.1.2",
-      "resolved": "http://registry.npm.taobao.org/cryptiles/download/cryptiles-3.1.2.tgz",
-      "integrity": "sha1-qJ+7Ig9c4l7FboxKqKT9e1sNKf4=",
-      "requires": {
-        "boom": "5.2.0"
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/coveralls/-/coveralls-3.1.0.tgz",
+      "integrity": "sha512-sHxOu2ELzW8/NC1UP5XVLbZDzO4S3VxfFye3XYCznopHy02YjNkHcj5bKaVw2O7hVaBdBjEdQGpie4II1mWhuQ==",
+      "requires": {
+        "js-yaml": "^3.13.1",
+        "lcov-parse": "^1.0.0",
+        "log-driver": "^1.2.7",
+        "minimist": "^1.2.5",
+        "request": "^2.88.2"
       },
       "dependencies": {
-        "boom": {
-          "version": "5.2.0",
-          "resolved": "http://registry.npm.taobao.org/boom/download/boom-5.2.0.tgz",
-          "integrity": "sha1-XdnabuOl8wIHdDYpDLcX0/SlTgI=",
-          "requires": {
-            "hoek": "4.2.0"
-          }
+        "minimist": {
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
         }
       }
     },
     "dashdash": {
       "version": "1.14.1",
-      "resolved": "http://registry.npm.taobao.org/dashdash/download/dashdash-1.14.1.tgz",
+      "resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
       "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
       "requires": {
-        "assert-plus": "1.0.0"
+        "assert-plus": "^1.0.0"
       }
     },
     "debug": {
@@ -326,7 +304,7 @@
     },
     "delayed-stream": {
       "version": "1.0.0",
-      "resolved": "http://registry.npm.taobao.org/delayed-stream/download/delayed-stream-1.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
       "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
     },
     "depd": {
@@ -350,12 +328,12 @@
       "integrity": "sha1-rOb/gIwc5mtX0ev5eXessCM0z8E="
     },
     "ecc-jsbn": {
-      "version": "0.1.1",
-      "resolved": "http://registry.npm.taobao.org/ecc-jsbn/download/ecc-jsbn-0.1.1.tgz",
-      "integrity": "sha1-D8c6ntXw1Tw4GTOYUj735UN3dQU=",
-      "optional": true,
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz",
+      "integrity": "sha1-OoOpBOVDUyh4dMVkt1SThoSamMk=",
       "requires": {
-        "jsbn": "0.1.1"
+        "jsbn": "~0.1.0",
+        "safer-buffer": "^2.1.0"
       }
     },
     "ee-first": {
@@ -396,9 +374,9 @@
       "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ="
     },
     "esprima": {
-      "version": "4.0.0",
-      "resolved": "http://registry.npm.taobao.org/esprima/download/esprima-4.0.0.tgz",
-      "integrity": "sha1-RJnt3NERDgshi6zy+n9/WfVcqAQ="
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
+      "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A=="
     },
     "etag": {
       "version": "1.8.1",
@@ -553,24 +531,24 @@
       }
     },
     "extend": {
-      "version": "3.0.1",
-      "resolved": "http://registry.npm.taobao.org/extend/download/extend-3.0.1.tgz",
-      "integrity": "sha1-p1Xqe8Gt/MWjHOfnYtuq3F5jZEQ="
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
+      "integrity": "sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g=="
     },
     "extsprintf": {
       "version": "1.3.0",
-      "resolved": "http://registry.npm.taobao.org/extsprintf/download/extsprintf-1.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
       "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU="
     },
     "fast-deep-equal": {
-      "version": "1.0.0",
-      "resolved": "http://registry.npm.taobao.org/fast-deep-equal/download/fast-deep-equal-1.0.0.tgz",
-      "integrity": "sha1-liVqO8l1WV6zbYLpkp0GDYk0Of8="
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.1.tgz",
+      "integrity": "sha512-8UEa58QDLauDNfpbrX55Q9jrGHThw2ZMdOky5Gl1CDtVeJDPVrG4Jxx1N8jw2gkWaff5UUuX1KJd+9zGe2B+ZA=="
     },
     "fast-json-stable-stringify": {
-      "version": "2.0.0",
-      "resolved": "http://registry.npm.taobao.org/fast-json-stable-stringify/download/fast-json-stable-stringify-2.0.0.tgz",
-      "integrity": "sha1-1RQsDK7msRifh9OnYREGT4bIu/I="
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz",
+      "integrity": "sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw=="
     },
     "figures": {
       "version": "1.7.0",
@@ -605,17 +583,17 @@
     },
     "forever-agent": {
       "version": "0.6.1",
-      "resolved": "http://registry.npm.taobao.org/forever-agent/download/forever-agent-0.6.1.tgz",
+      "resolved": "https://registry.npmjs.org/forever-agent/-/forever-agent-0.6.1.tgz",
       "integrity": "sha1-+8cfDEGt6zf5bFd60e1C2P2sypE="
     },
     "form-data": {
-      "version": "2.3.1",
-      "resolved": "http://registry.npm.taobao.org/form-data/download/form-data-2.3.1.tgz",
-      "integrity": "sha1-b7lPvXGIUwbXPRXMSX/kzE7NRL8=",
+      "version": "2.3.3",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.3.3.tgz",
+      "integrity": "sha512-1lLKB2Mu3aGP1Q/2eCOx0fNbRMe7XdwktwOruhfqqd0rIJWwN4Dh+E3hrPSlDCXnSR7UtZ1N38rVXm+6+MEhJQ==",
       "requires": {
-        "asynckit": "0.4.0",
-        "combined-stream": "1.0.5",
-        "mime-types": "2.1.17"
+        "asynckit": "^0.4.0",
+        "combined-stream": "^1.0.6",
+        "mime-types": "^2.1.12"
       }
     },
     "formatio": {
@@ -648,10 +626,10 @@
     },
     "getpass": {
       "version": "0.1.7",
-      "resolved": "http://registry.npm.taobao.org/getpass/download/getpass-0.1.7.tgz",
+      "resolved": "https://registry.npmjs.org/getpass/-/getpass-0.1.7.tgz",
       "integrity": "sha1-Xv+OPmhNVprkyysSgmBOi6YhSfo=",
       "requires": {
-        "assert-plus": "1.0.0"
+        "assert-plus": "^1.0.0"
       }
     },
     "glob": {
@@ -669,16 +647,16 @@
     },
     "har-schema": {
       "version": "2.0.0",
-      "resolved": "http://registry.npm.taobao.org/har-schema/download/har-schema-2.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/har-schema/-/har-schema-2.0.0.tgz",
       "integrity": "sha1-qUwiJOvKwEeCoNkDVSHyRzW37JI="
     },
     "har-validator": {
-      "version": "5.0.3",
-      "resolved": "http://registry.npm.taobao.org/har-validator/download/har-validator-5.0.3.tgz",
-      "integrity": "sha1-ukAsJmGU8VlW7xXg/PJCmT9qff0=",
+      "version": "5.1.3",
+      "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.1.3.tgz",
+      "integrity": "sha512-sNvOCzEQNr/qrvJgc3UG/kD4QtlHycrzwS+6mfTrrSq97BvaYcPZZI1ZSqGSPR73Cxn4LKTD4PttRwfU7jWq5g==",
       "requires": {
-        "ajv": "5.5.2",
-        "har-schema": "2.0.0"
+        "ajv": "^6.5.5",
+        "har-schema": "^2.0.0"
       }
     },
     "has": {
@@ -697,22 +675,6 @@
         "ansi-regex": "2.0.0"
       }
     },
-    "hawk": {
-      "version": "6.0.2",
-      "resolved": "http://registry.npm.taobao.org/hawk/download/hawk-6.0.2.tgz",
-      "integrity": "sha1-r02RTrBl+bXOTZ0RwcshJu7MMDg=",
-      "requires": {
-        "boom": "4.3.1",
-        "cryptiles": "3.1.2",
-        "hoek": "4.2.0",
-        "sntp": "2.1.0"
-      }
-    },
-    "hoek": {
-      "version": "4.2.0",
-      "resolved": "http://registry.npm.taobao.org/hoek/download/hoek-4.2.0.tgz",
-      "integrity": "sha1-ctnQdU9/4lyi0BrY+PmpRJqJUm0="
-    },
     "http-errors": {
       "version": "1.6.2",
       "resolved": "http://registry.npm.taobao.org/http-errors/download/http-errors-1.6.2.tgz",
@@ -738,12 +700,12 @@
     },
     "http-signature": {
       "version": "1.2.0",
-      "resolved": "http://registry.npm.taobao.org/http-signature/download/http-signature-1.2.0.tgz",
+      "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.2.0.tgz",
       "integrity": "sha1-muzZJRFHcvPZW2WmCruPfBj7rOE=",
       "requires": {
-        "assert-plus": "1.0.0",
-        "jsprim": "1.4.1",
-        "sshpk": "1.13.1"
+        "assert-plus": "^1.0.0",
+        "jsprim": "^1.2.2",
+        "sshpk": "^1.7.0"
       }
     },
     "iconv-lite": {
@@ -808,7 +770,7 @@
     },
     "is-typedarray": {
       "version": "1.0.0",
-      "resolved": "http://registry.npm.taobao.org/is-typedarray/download/is-typedarray-1.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/is-typedarray/-/is-typedarray-1.0.0.tgz",
       "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo="
     },
     "isarray": {
@@ -818,37 +780,36 @@
     },
     "isstream": {
       "version": "0.1.2",
-      "resolved": "http://registry.npm.taobao.org/isstream/download/isstream-0.1.2.tgz",
+      "resolved": "https://registry.npmjs.org/isstream/-/isstream-0.1.2.tgz",
       "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo="
     },
     "js-yaml": {
-      "version": "3.10.0",
-      "resolved": "http://registry.npm.taobao.org/js-yaml/download/js-yaml-3.10.0.tgz",
-      "integrity": "sha1-LnhEFka9RoLpY/IrbpKCPDCcYtw=",
+      "version": "3.13.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.13.1.tgz",
+      "integrity": "sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==",
       "requires": {
-        "argparse": "1.0.9",
-        "esprima": "4.0.0"
+        "argparse": "^1.0.7",
+        "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=",
-      "optional": true
+      "resolved": "https://registry.npmjs.org/jsbn/-/jsbn-0.1.1.tgz",
+      "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM="
     },
     "json-schema": {
       "version": "0.2.3",
-      "resolved": "http://registry.npm.taobao.org/json-schema/download/json-schema-0.2.3.tgz",
+      "resolved": "https://registry.npmjs.org/json-schema/-/json-schema-0.2.3.tgz",
       "integrity": "sha1-tIDIkuWaLwWVTOcnvT8qTogvnhM="
     },
     "json-schema-traverse": {
-      "version": "0.3.1",
-      "resolved": "http://registry.npm.taobao.org/json-schema-traverse/download/json-schema-traverse-0.3.1.tgz",
-      "integrity": "sha1-NJptRMU6Ud6JtAgFxdXlm0F9M0A="
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
+      "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg=="
     },
     "json-stringify-safe": {
       "version": "5.0.1",
-      "resolved": "http://registry.npm.taobao.org/json-stringify-safe/download/json-stringify-safe-5.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz",
       "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus="
     },
     "json5": {
@@ -861,7 +822,7 @@
     },
     "jsprim": {
       "version": "1.4.1",
-      "resolved": "http://registry.npm.taobao.org/jsprim/download/jsprim-1.4.1.tgz",
+      "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.1.tgz",
       "integrity": "sha1-MT5mvB5cwG5Di8G3SZwuXFastqI=",
       "requires": {
         "assert-plus": "1.0.0",
@@ -876,9 +837,9 @@
       "integrity": "sha1-7G55QQ/5FORyZSq/oOYDwD1g6QU="
     },
     "lcov-parse": {
-      "version": "0.0.10",
-      "resolved": "http://registry.npm.taobao.org/lcov-parse/download/lcov-parse-0.0.10.tgz",
-      "integrity": "sha1-GwuP+ayceIklBYK3C3ExXZ2m2aM="
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/lcov-parse/-/lcov-parse-1.0.0.tgz",
+      "integrity": "sha1-6w1GtUER68VhrLTECO+TY73I9+A="
     },
     "lodash": {
       "version": "3.10.1",
@@ -891,9 +852,9 @@
       "integrity": "sha1-LRd/ZS+jHpObRDjVNBSZ36OCXpk="
     },
     "log-driver": {
-      "version": "1.2.5",
-      "resolved": "http://registry.npm.taobao.org/log-driver/download/log-driver-1.2.5.tgz",
-      "integrity": "sha1-euTsJXMC/XkNVXyxDJcQDYV7AFY="
+      "version": "1.2.7",
+      "resolved": "https://registry.npmjs.org/log-driver/-/log-driver-1.2.7.tgz",
+      "integrity": "sha512-U7KCmLdqsGHBLeWqYlFA0V0Sl6P08EE1ZrmA9cxjUE0WVqT9qnyVDPz1kzpFEP0jdJuFnasWIfSd7fsaNXkpbg=="
     },
     "lolex": {
       "version": "2.3.1",
@@ -1035,6 +996,7 @@
         "align-text": {
           "version": "0.1.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "kind-of": "3.2.2",
             "longest": "1.0.1",
@@ -2042,7 +2004,8 @@
         },
         "longest": {
           "version": "1.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "loose-envify": {
           "version": "1.3.1",
@@ -3423,9 +3386,9 @@
       }
     },
     "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="
+      "version": "0.9.0",
+      "resolved": "https://registry.npmjs.org/oauth-sign/-/oauth-sign-0.9.0.tgz",
+      "integrity": "sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ=="
     },
     "object-assign": {
       "version": "4.1.0",
@@ -3485,7 +3448,7 @@
     },
     "performance-now": {
       "version": "2.1.0",
-      "resolved": "http://registry.npm.taobao.org/performance-now/download/performance-now-2.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
     },
     "plur": {
@@ -3518,10 +3481,15 @@
         "resolve": "1.1.7"
       }
     },
+    "psl": {
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/psl/-/psl-1.8.0.tgz",
+      "integrity": "sha512-RIdOzyoavK+hA18OGGWDqUTsCLhtA7IcZ/6NCs4fFJaHBDab+pDDmDIByWFRQJq2Cd7r1OoQxBGKOaztq+hjIQ=="
+    },
     "punycode": {
-      "version": "1.4.1",
-      "resolved": "http://registry.npm.taobao.org/punycode/download/punycode-1.4.1.tgz",
-      "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4="
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
+      "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A=="
     },
     "qs": {
       "version": "6.5.1",
@@ -3578,32 +3546,55 @@
       "integrity": "sha1-3mMSg3P8v3w8z6TeWkgMRaZ5WOs="
     },
     "request": {
-      "version": "2.83.0",
-      "resolved": "http://registry.npm.taobao.org/request/download/request-2.83.0.tgz",
-      "integrity": "sha1-ygtl2gLtYpNYh4COb1EDgQNOM1Y=",
-      "requires": {
-        "aws-sign2": "0.7.0",
-        "aws4": "1.6.0",
-        "caseless": "0.12.0",
-        "combined-stream": "1.0.5",
-        "extend": "3.0.1",
-        "forever-agent": "0.6.1",
-        "form-data": "2.3.1",
-        "har-validator": "5.0.3",
-        "hawk": "6.0.2",
-        "http-signature": "1.2.0",
-        "is-typedarray": "1.0.0",
-        "isstream": "0.1.2",
-        "json-stringify-safe": "5.0.1",
-        "mime-types": "2.1.17",
-        "oauth-sign": "0.8.2",
-        "performance-now": "2.1.0",
-        "qs": "6.5.1",
-        "safe-buffer": "5.1.1",
-        "stringstream": "0.0.5",
-        "tough-cookie": "2.3.3",
-        "tunnel-agent": "0.6.0",
-        "uuid": "3.2.1"
+      "version": "2.88.2",
+      "resolved": "https://registry.npmjs.org/request/-/request-2.88.2.tgz",
+      "integrity": "sha512-MsvtOrfG9ZcrOwAW+Qi+F6HbD0CWXEh9ou77uOb7FM2WPhwT7smM833PzanhJLsgXjN89Ir6V2PczXNnMpwKhw==",
+      "requires": {
+        "aws-sign2": "~0.7.0",
+        "aws4": "^1.8.0",
+        "caseless": "~0.12.0",
+        "combined-stream": "~1.0.6",
+        "extend": "~3.0.2",
+        "forever-agent": "~0.6.1",
+        "form-data": "~2.3.2",
+        "har-validator": "~5.1.3",
+        "http-signature": "~1.2.0",
+        "is-typedarray": "~1.0.0",
+        "isstream": "~0.1.2",
+        "json-stringify-safe": "~5.0.1",
+        "mime-types": "~2.1.19",
+        "oauth-sign": "~0.9.0",
+        "performance-now": "^2.1.0",
+        "qs": "~6.5.2",
+        "safe-buffer": "^5.1.2",
+        "tough-cookie": "~2.5.0",
+        "tunnel-agent": "^0.6.0",
+        "uuid": "^3.3.2"
+      },
+      "dependencies": {
+        "mime-db": {
+          "version": "1.44.0",
+          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.44.0.tgz",
+          "integrity": "sha512-/NOTfLrsPBVeH7YtFPgsVWveuL+4SjjYxaQ1xtM1KMFj7HdxlBlxeyNLzhyJVx7r4rZGJAZ/6lkKCitSc/Nmpg=="
+        },
+        "mime-types": {
+          "version": "2.1.27",
+          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.27.tgz",
+          "integrity": "sha512-JIhqnCasI9yD+SsmkquHBxTSEuZdQX5BuQnS2Vc7puQQQ+8yiP5AY5uWhpdv4YL4VM5c6iliiYWPgJ/nJQLp7w==",
+          "requires": {
+            "mime-db": "1.44.0"
+          }
+        },
+        "qs": {
+          "version": "6.5.2",
+          "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
+          "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA=="
+        },
+        "safe-buffer": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.0.tgz",
+          "integrity": "sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg=="
+        }
       }
     },
     "resolve": {
@@ -3624,6 +3615,11 @@
       "resolved": "http://registry.npm.taobao.org/safe-buffer/download/safe-buffer-5.1.1.tgz",
       "integrity": "sha1-iTMSr2myEj3vcfV4iQAWce6yyFM="
     },
+    "safer-buffer": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
+    },
     "samsam": {
       "version": "1.3.0",
       "resolved": "http://registry.npm.taobao.org/samsam/download/samsam-1.3.0.tgz",
@@ -3687,14 +3683,6 @@
         }
       }
     },
-    "sntp": {
-      "version": "2.1.0",
-      "resolved": "http://registry.npm.taobao.org/sntp/download/sntp-2.1.0.tgz",
-      "integrity": "sha1-LGzsFP7cIiJznK+bXD2F0cxaLMg=",
-      "requires": {
-        "hoek": "4.2.0"
-      }
-    },
     "split": {
       "version": "1.0.0",
       "resolved": "https://registry.npm.taobao.org/split/download/split-1.0.0.tgz",
@@ -3705,22 +3693,23 @@
     },
     "sprintf-js": {
       "version": "1.0.3",
-      "resolved": "http://registry.npm.taobao.org/sprintf-js/download/sprintf-js-1.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
       "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw="
     },
     "sshpk": {
-      "version": "1.13.1",
-      "resolved": "http://registry.npm.taobao.org/sshpk/download/sshpk-1.13.1.tgz",
-      "integrity": "sha1-US322mKHFEMW3EwY/hzx2UBzm+M=",
+      "version": "1.16.1",
+      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.16.1.tgz",
+      "integrity": "sha512-HXXqVUq7+pcKeLqqZj6mHFUMvXtOJt1uoUx09pFW6011inTMxqI8BA8PM95myrIyyKwdnzjdFjLiE6KBPVtJIg==",
       "requires": {
-        "asn1": "0.2.3",
-        "assert-plus": "1.0.0",
-        "bcrypt-pbkdf": "1.0.1",
-        "dashdash": "1.14.1",
-        "ecc-jsbn": "0.1.1",
-        "getpass": "0.1.7",
-        "jsbn": "0.1.1",
-        "tweetnacl": "0.14.5"
+        "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",
+        "safer-buffer": "^2.0.2",
+        "tweetnacl": "~0.14.0"
       }
     },
     "statuses": {
@@ -3743,11 +3732,6 @@
       "resolved": "https://registry.npm.taobao.org/string_decoder/download/string_decoder-0.10.31.tgz",
       "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ="
     },
-    "stringstream": {
-      "version": "0.0.5",
-      "resolved": "http://registry.npm.taobao.org/stringstream/download/stringstream-0.0.5.tgz",
-      "integrity": "sha1-TkhM1N5aC7vuGORjB3EKioFiGHg="
-    },
     "strip-ansi": {
       "version": "3.0.1",
       "resolved": "https://registry.npm.taobao.org/strip-ansi/download/strip-ansi-3.0.1.tgz",
@@ -3858,11 +3842,12 @@
       }
     },
     "tough-cookie": {
-      "version": "2.3.3",
-      "resolved": "http://registry.npm.taobao.org/tough-cookie/download/tough-cookie-2.3.3.tgz",
-      "integrity": "sha1-C2GKVWW23qkL80JdBNVe3EdadWE=",
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.5.0.tgz",
+      "integrity": "sha512-nlLsUzgm1kfLXSXfRZMc1KLAugd4hqJHDTvc2hDIwS3mZAfMEuMbc03SujMF+GEcpaX/qboeycw6iO8JwVv2+g==",
       "requires": {
-        "punycode": "1.4.1"
+        "psl": "^1.1.28",
+        "punycode": "^2.1.1"
       }
     },
     "trim": {
@@ -3872,17 +3857,16 @@
     },
     "tunnel-agent": {
       "version": "0.6.0",
-      "resolved": "http://registry.npm.taobao.org/tunnel-agent/download/tunnel-agent-0.6.0.tgz",
+      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
       "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
       "requires": {
-        "safe-buffer": "5.1.1"
+        "safe-buffer": "^5.0.1"
       }
     },
     "tweetnacl": {
       "version": "0.14.5",
-      "resolved": "http://registry.npm.taobao.org/tweetnacl/download/tweetnacl-0.14.5.tgz",
-      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
-      "optional": true
+      "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
+      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
     },
     "type-detect": {
       "version": "4.0.6",
@@ -3903,6 +3887,14 @@
       "resolved": "http://registry.npm.taobao.org/unpipe/download/unpipe-1.0.0.tgz",
       "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
     },
+    "uri-js": {
+      "version": "4.2.2",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
+      "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
+      "requires": {
+        "punycode": "^2.1.0"
+      }
+    },
     "util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npm.taobao.org/util-deprecate/download/util-deprecate-1.0.2.tgz",
@@ -3914,9 +3906,9 @@
       "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
     },
     "uuid": {
-      "version": "3.2.1",
-      "resolved": "http://registry.npm.taobao.org/uuid/download/uuid-3.2.1.tgz",
-      "integrity": "sha1-EsUou51Y0LkmXZovbw/ovhf/HxQ="
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
+      "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A=="
     },
     "vary": {
       "version": "1.1.2",
@@ -3930,12 +3922,12 @@
     },
     "verror": {
       "version": "1.10.0",
-      "resolved": "http://registry.npm.taobao.org/verror/download/verror-1.10.0.tgz",
+      "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
       "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
       "requires": {
-        "assert-plus": "1.0.0",
+        "assert-plus": "^1.0.0",
         "core-util-is": "1.0.2",
-        "extsprintf": "1.3.0"
+        "extsprintf": "^1.2.0"
       }
     },
     "vinyl": {
diff --git a/package.json b/package.json
index 03b23d4..056c846 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   "dependencies": {
     "colors": "~1.2.1",
     "config": "~1.30.0",
-    "coveralls": "~3.0.0",
+    "coveralls": "~3.1.0",
     "debug": "~3.1.0",
     "express": "~4.16.3",
     "json5": "~1.0.1",