diff --git a/package-lock.json b/package-lock.json
index d2c80a7..9492f3b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -825,7 +825,7 @@
     },
     "acorn": {
       "version": "5.7.3",
-      "resolved": "http://registry.npm.taobao.org/acorn/download/acorn-5.7.3.tgz",
+      "resolved": "https://registry.npm.taobao.org/acorn/download/acorn-5.7.3.tgz",
       "integrity": "sha1-Z6ojG/iBKXS4UjWpZ3Hra9B+onk=",
       "dev": true
     },
@@ -912,7 +912,7 @@
     },
     "ansi-regex": {
       "version": "3.0.0",
-      "resolved": "http://registry.npm.taobao.org/ansi-regex/download/ansi-regex-3.0.0.tgz",
+      "resolved": "https://registry.npm.taobao.org/ansi-regex/download/ansi-regex-3.0.0.tgz",
       "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
       "dev": true
     },
@@ -2552,18 +2552,32 @@
       "dev": true
     },
     "elliptic": {
-      "version": "6.4.1",
-      "resolved": "http://registry.npm.taobao.org/elliptic/download/elliptic-6.4.1.tgz",
-      "integrity": "sha1-wtC3d2kRuGcixjLDwGxg8vgZk5o=",
+      "version": "6.5.4",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+      "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
       "dev": true,
       "requires": {
-        "bn.js": "^4.4.0",
-        "brorand": "^1.0.1",
+        "bn.js": "^4.11.9",
+        "brorand": "^1.1.0",
         "hash.js": "^1.0.0",
-        "hmac-drbg": "^1.0.0",
-        "inherits": "^2.0.1",
-        "minimalistic-assert": "^1.0.0",
-        "minimalistic-crypto-utils": "^1.0.0"
+        "hmac-drbg": "^1.0.1",
+        "inherits": "^2.0.4",
+        "minimalistic-assert": "^1.0.1",
+        "minimalistic-crypto-utils": "^1.0.1"
+      },
+      "dependencies": {
+        "bn.js": {
+          "version": "4.12.0",
+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+          "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
+          "dev": true
+        },
+        "inherits": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+          "dev": true
+        }
       }
     },
     "emoji-regex": {
@@ -2773,7 +2787,7 @@
     },
     "execa": {
       "version": "0.10.0",
-      "resolved": "http://registry.npm.taobao.org/execa/download/execa-0.10.0.tgz",
+      "resolved": "https://registry.npm.taobao.org/execa/download/execa-0.10.0.tgz",
       "integrity": "sha1-/0Vqj1P5D47MxxqW0Rvfx/CCy1A=",
       "dev": true,
       "requires": {
@@ -3017,7 +3031,7 @@
     },
     "faye-websocket": {
       "version": "0.10.0",
-      "resolved": "http://registry.npm.taobao.org/faye-websocket/download/faye-websocket-0.10.0.tgz",
+      "resolved": "https://registry.npm.taobao.org/faye-websocket/download/faye-websocket-0.10.0.tgz",
       "integrity": "sha1-TkkvjQTftviQA1B/btvy1QHnxvQ=",
       "dev": true,
       "requires": {
@@ -3251,7 +3265,7 @@
     },
     "fsevents": {
       "version": "1.2.4",
-      "resolved": "http://registry.npm.taobao.org/fsevents/download/fsevents-1.2.4.tgz",
+      "resolved": "https://registry.npm.taobao.org/fsevents/download/fsevents-1.2.4.tgz",
       "integrity": "sha1-9B3LGvJYKvNpLaNvxVy9jhBBxCY=",
       "dev": true,
       "optional": true,
@@ -3269,7 +3283,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -3290,12 +3305,14 @@
         "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"
@@ -3310,17 +3327,20 @@
         "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",
@@ -3437,7 +3457,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -3449,6 +3470,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -3463,6 +3485,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -3470,12 +3493,14 @@
         "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": "^3.0.0"
@@ -3494,6 +3519,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -3574,7 +3600,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -3586,6 +3613,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -3671,7 +3699,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -3707,6 +3736,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -3726,6 +3756,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -3769,12 +3800,14 @@
         "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
         }
       }
     },
@@ -3860,7 +3893,7 @@
     },
     "get-caller-file": {
       "version": "1.0.3",
-      "resolved": "http://registry.npm.taobao.org/get-caller-file/download/get-caller-file-1.0.3.tgz",
+      "resolved": "https://registry.npm.taobao.org/get-caller-file/download/get-caller-file-1.0.3.tgz",
       "integrity": "sha1-+Xj6TJDR3+f/LWvtoqUV5xO9z0o=",
       "dev": true
     },
@@ -3872,7 +3905,7 @@
     },
     "get-stream": {
       "version": "3.0.0",
-      "resolved": "http://registry.npm.taobao.org/get-stream/download/get-stream-3.0.0.tgz",
+      "resolved": "https://registry.npm.taobao.org/get-stream/download/get-stream-3.0.0.tgz",
       "integrity": "sha1-jpQ9E1jcN1VQVOy+LtsFqhdO3hQ=",
       "dev": true
     },
@@ -5254,7 +5287,8 @@
             "ansi-regex": {
               "version": "2.1.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "aproba": {
               "version": "1.2.0",
@@ -5275,12 +5309,14 @@
             "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"
@@ -5295,17 +5331,20 @@
             "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",
@@ -5422,7 +5461,8 @@
             "inherits": {
               "version": "2.0.3",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "ini": {
               "version": "1.3.5",
@@ -5434,6 +5474,7 @@
               "version": "1.0.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "number-is-nan": "^1.0.0"
               }
@@ -5448,6 +5489,7 @@
               "version": "3.0.4",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "brace-expansion": "^1.1.7"
               }
@@ -5455,12 +5497,14 @@
             "minimist": {
               "version": "0.0.8",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "minipass": {
               "version": "2.3.5",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
                 "yallist": "^3.0.0"
@@ -5479,6 +5523,7 @@
               "version": "0.5.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "minimist": "0.0.8"
               }
@@ -5559,7 +5604,8 @@
             "number-is-nan": {
               "version": "1.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "object-assign": {
               "version": "4.1.1",
@@ -5571,6 +5617,7 @@
               "version": "1.4.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "wrappy": "1"
               }
@@ -5656,7 +5703,8 @@
             "safe-buffer": {
               "version": "5.1.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "safer-buffer": {
               "version": "2.1.2",
@@ -5692,6 +5740,7 @@
               "version": "1.0.2",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "code-point-at": "^1.0.0",
                 "is-fullwidth-code-point": "^1.0.0",
@@ -5711,6 +5760,7 @@
               "version": "3.0.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "ansi-regex": "^2.0.0"
               }
@@ -5754,12 +5804,14 @@
             "wrappy": {
               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "yallist": {
               "version": "3.0.3",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             }
           }
         },
@@ -6427,7 +6479,7 @@
     },
     "lodash": {
       "version": "4.17.11",
-      "resolved": "http://registry.npm.taobao.org/lodash/download/lodash-4.17.11.tgz",
+      "resolved": "https://registry.npm.taobao.org/lodash/download/lodash-4.17.11.tgz",
       "integrity": "sha1-s56mIp72B+zYniyN8SU2iRysm40=",
       "dev": true
     },
@@ -6510,7 +6562,7 @@
     },
     "make-dir": {
       "version": "1.3.0",
-      "resolved": "http://registry.npm.taobao.org/make-dir/download/make-dir-1.3.0.tgz",
+      "resolved": "https://registry.npm.taobao.org/make-dir/download/make-dir-1.3.0.tgz",
       "integrity": "sha1-ecEDO4BRW9bSTsmTPoYMp17ifww=",
       "dev": true,
       "requires": {
@@ -6683,7 +6735,7 @@
     },
     "mime-db": {
       "version": "1.37.0",
-      "resolved": "http://registry.npm.taobao.org/mime-db/download/mime-db-1.37.0.tgz",
+      "resolved": "https://registry.npm.taobao.org/mime-db/download/mime-db-1.37.0.tgz",
       "integrity": "sha1-C2oM5v2+lXbiXx8tL96IMNwK0Ng=",
       "dev": true
     },
@@ -6833,7 +6885,7 @@
     },
     "nan": {
       "version": "2.11.1",
-      "resolved": "http://registry.npm.taobao.org/nan/download/nan-2.11.1.tgz",
+      "resolved": "https://registry.npm.taobao.org/nan/download/nan-2.11.1.tgz",
       "integrity": "sha1-kOIrzLjKV+pM03zIPTgZtS7qZ2Y=",
       "dev": true
     },
@@ -7098,7 +7150,7 @@
     },
     "normalize-path": {
       "version": "2.1.1",
-      "resolved": "http://registry.npm.taobao.org/normalize-path/download/normalize-path-2.1.1.tgz",
+      "resolved": "https://registry.npm.taobao.org/normalize-path/download/normalize-path-2.1.1.tgz",
       "integrity": "sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=",
       "dev": true,
       "requires": {
@@ -8292,7 +8344,7 @@
     },
     "require-main-filename": {
       "version": "1.0.1",
-      "resolved": "http://registry.npm.taobao.org/require-main-filename/download/require-main-filename-1.0.1.tgz",
+      "resolved": "https://registry.npm.taobao.org/require-main-filename/download/require-main-filename-1.0.1.tgz",
       "integrity": "sha1-l/cXtp1IeE9fUmpsWqj/3aBVpNE=",
       "dev": true
     },
@@ -8346,7 +8398,7 @@
     },
     "rimraf": {
       "version": "2.6.2",
-      "resolved": "http://registry.npm.taobao.org/rimraf/download/rimraf-2.6.2.tgz",
+      "resolved": "https://registry.npm.taobao.org/rimraf/download/rimraf-2.6.2.tgz",
       "integrity": "sha1-LtgVDSShbqhlHm1u8PR8QVjOejY=",
       "dev": true,
       "requires": {
@@ -8611,7 +8663,7 @@
     },
     "schema-utils": {
       "version": "0.4.7",
-      "resolved": "http://registry.npm.taobao.org/schema-utils/download/schema-utils-0.4.7.tgz",
+      "resolved": "https://registry.npm.taobao.org/schema-utils/download/schema-utils-0.4.7.tgz",
       "integrity": "sha1-unT1l9K+LqiAExdG7hfQoJPGgYc=",
       "dev": true,
       "requires": {
@@ -9341,7 +9393,7 @@
     },
     "strip-ansi": {
       "version": "4.0.0",
-      "resolved": "http://registry.npm.taobao.org/strip-ansi/download/strip-ansi-4.0.0.tgz",
+      "resolved": "https://registry.npm.taobao.org/strip-ansi/download/strip-ansi-4.0.0.tgz",
       "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
       "dev": true,
       "requires": {
@@ -9397,7 +9449,7 @@
     },
     "supports-color": {
       "version": "5.5.0",
-      "resolved": "http://registry.npm.taobao.org/supports-color/download/supports-color-5.5.0.tgz",
+      "resolved": "https://registry.npm.taobao.org/supports-color/download/supports-color-5.5.0.tgz",
       "integrity": "sha1-4uaaRKyHcveKHsCzW2id9lMO/I8=",
       "dev": true,
       "requires": {
@@ -9464,7 +9516,7 @@
       "dependencies": {
         "schema-utils": {
           "version": "1.0.0",
-          "resolved": "http://registry.npm.taobao.org/schema-utils/download/schema-utils-1.0.0.tgz",
+          "resolved": "https://registry.npm.taobao.org/schema-utils/download/schema-utils-1.0.0.tgz",
           "integrity": "sha1-C3mpMgTXtgDUsoUNH2bCo0lRx3A=",
           "dev": true,
           "requires": {
@@ -10019,7 +10071,7 @@
     },
     "upath": {
       "version": "1.1.0",
-      "resolved": "http://registry.npm.taobao.org/upath/download/upath-1.1.0.tgz",
+      "resolved": "https://registry.npm.taobao.org/upath/download/upath-1.1.0.tgz",
       "integrity": "sha1-NSVll+RqWB20eT0M5H+prr/J+r0=",
       "dev": true
     },
@@ -10416,7 +10468,8 @@
             "ansi-regex": {
               "version": "2.1.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "aproba": {
               "version": "1.2.0",
@@ -10437,12 +10490,14 @@
             "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"
@@ -10457,17 +10512,20 @@
             "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",
@@ -10584,7 +10642,8 @@
             "inherits": {
               "version": "2.0.4",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "ini": {
               "version": "1.3.5",
@@ -10596,6 +10655,7 @@
               "version": "1.0.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "number-is-nan": "^1.0.0"
               }
@@ -10610,6 +10670,7 @@
               "version": "3.0.4",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "brace-expansion": "^1.1.7"
               }
@@ -10617,12 +10678,14 @@
             "minimist": {
               "version": "0.0.8",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "minipass": {
               "version": "2.9.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
                 "yallist": "^3.0.0"
@@ -10641,6 +10704,7 @@
               "version": "0.5.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "minimist": "0.0.8"
               }
@@ -10730,7 +10794,8 @@
             "number-is-nan": {
               "version": "1.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "object-assign": {
               "version": "4.1.1",
@@ -10742,6 +10807,7 @@
               "version": "1.4.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "wrappy": "1"
               }
@@ -10827,7 +10893,8 @@
             "safe-buffer": {
               "version": "5.1.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "safer-buffer": {
               "version": "2.1.2",
@@ -10863,6 +10930,7 @@
               "version": "1.0.2",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "code-point-at": "^1.0.0",
                 "is-fullwidth-code-point": "^1.0.0",
@@ -10882,6 +10950,7 @@
               "version": "3.0.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "ansi-regex": "^2.0.0"
               }
@@ -10925,12 +10994,14 @@
             "wrappy": {
               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "yallist": {
               "version": "3.1.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             }
           }
         },
@@ -11156,7 +11227,7 @@
     },
     "wrap-ansi": {
       "version": "2.1.0",
-      "resolved": "http://registry.npm.taobao.org/wrap-ansi/download/wrap-ansi-2.1.0.tgz",
+      "resolved": "https://registry.npm.taobao.org/wrap-ansi/download/wrap-ansi-2.1.0.tgz",
       "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
       "dev": true,
       "requires": {
@@ -11166,7 +11237,7 @@
       "dependencies": {
         "ansi-regex": {
           "version": "2.1.1",
-          "resolved": "http://registry.npm.taobao.org/ansi-regex/download/ansi-regex-2.1.1.tgz",
+          "resolved": "https://registry.npm.taobao.org/ansi-regex/download/ansi-regex-2.1.1.tgz",
           "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
           "dev": true
         },
@@ -11192,7 +11263,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "http://registry.npm.taobao.org/strip-ansi/download/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npm.taobao.org/strip-ansi/download/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -11259,7 +11330,7 @@
     },
     "yargs": {
       "version": "12.0.5",
-      "resolved": "http://registry.npm.taobao.org/yargs/download/yargs-12.0.5.tgz",
+      "resolved": "https://registry.npm.taobao.org/yargs/download/yargs-12.0.5.tgz",
       "integrity": "sha1-BfWZe2CWR7ZPZrgeO0sQo2jnrRM=",
       "dev": true,
       "requires": {