diff --git a/package-lock.json b/package-lock.json
index 4d066ca..6bd4f87 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3264,6 +3264,7 @@
       "version": "2.6.9",
       "resolved": "http://r.cnpmjs.org/debug/download/debug-2.6.9.tgz",
       "integrity": "sha1-XRKFFd8TT/Mn6QpMk/Tgd6U2NB8=",
+      "dev": true,
       "requires": {
         "ms": "2.0.0"
       }
@@ -4140,19 +4141,6 @@
         "strip-eof": "^1.0.0"
       }
     },
-    "exif": {
-      "version": "0.6.0",
-      "resolved": "http://r.cnpmjs.org/exif/download/exif-0.6.0.tgz",
-      "integrity": "sha1-YKYmaAdlQst+T1cZnUrG830sX0o=",
-      "requires": {
-        "debug": "^2.2"
-      }
-    },
-    "exif-js": {
-      "version": "2.3.0",
-      "resolved": "http://r.cnpmjs.org/exif-js/download/exif-js-2.3.0.tgz",
-      "integrity": "sha1-nRCBm/Vx+HOBPnZAJBJVq5zhqBQ="
-    },
     "expand-brackets": {
       "version": "2.1.4",
       "resolved": "http://r.cnpmjs.org/expand-brackets/download/expand-brackets-2.1.4.tgz",
@@ -7366,7 +7354,8 @@
     "ms": {
       "version": "2.0.0",
       "resolved": "http://r.cnpmjs.org/ms/download/ms-2.0.0.tgz",
-      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+      "dev": true
     },
     "mute-stream": {
       "version": "0.0.7",
@@ -7678,9 +7667,9 @@
       }
     },
     "npm": {
-      "version": "6.9.0",
-      "resolved": "http://r.cnpmjs.org/npm/download/npm-6.9.0.tgz",
-      "integrity": "sha1-UpZyBIaBSmSn+wgt4AxLXP0RIR8=",
+      "version": "6.13.4",
+      "resolved": "https://registry.npmjs.org/npm/-/npm-6.13.4.tgz",
+      "integrity": "sha512-vTcUL4SCg3AzwInWTbqg1OIaOXlzKSS8Mb8kc5avwrJpcvevDA5J9BhYSuei+fNs3pwOp4lzA5x2FVDXACvoXA==",
       "requires": {
         "JSONStream": "^1.3.5",
         "abbrev": "~1.1.1",
@@ -7688,16 +7677,16 @@
         "ansistyles": "~0.1.3",
         "aproba": "^2.0.0",
         "archy": "~1.0.0",
-        "bin-links": "^1.1.2",
-        "bluebird": "^3.5.3",
+        "bin-links": "^1.1.6",
+        "bluebird": "^3.5.5",
         "byte-size": "^5.0.1",
-        "cacache": "^11.3.2",
-        "call-limit": "~1.1.0",
-        "chownr": "^1.1.1",
+        "cacache": "^12.0.3",
+        "call-limit": "^1.1.1",
+        "chownr": "^1.1.3",
         "ci-info": "^2.0.0",
         "cli-columns": "^3.1.2",
         "cli-table3": "^0.5.1",
-        "cmd-shim": "~2.0.2",
+        "cmd-shim": "^3.0.3",
         "columnify": "~1.5.4",
         "config-chain": "^1.1.12",
         "debuglog": "*",
@@ -7709,27 +7698,28 @@
         "find-npm-prefix": "^1.0.2",
         "fs-vacuum": "~1.2.10",
         "fs-write-stream-atomic": "~1.0.10",
-        "gentle-fs": "^2.0.1",
-        "glob": "^7.1.3",
-        "graceful-fs": "^4.1.15",
+        "gentle-fs": "^2.3.0",
+        "glob": "^7.1.4",
+        "graceful-fs": "^4.2.3",
         "has-unicode": "~2.0.1",
-        "hosted-git-info": "^2.7.1",
+        "hosted-git-info": "^2.8.5",
         "iferr": "^1.0.2",
         "imurmurhash": "*",
+        "infer-owner": "^1.0.4",
         "inflight": "~1.0.6",
-        "inherits": "~2.0.3",
+        "inherits": "^2.0.4",
         "ini": "^1.3.5",
         "init-package-json": "^1.10.3",
         "is-cidr": "^3.0.0",
         "json-parse-better-errors": "^1.0.2",
         "lazy-property": "~1.0.0",
-        "libcipm": "^3.0.3",
-        "libnpm": "^2.0.1",
-        "libnpmaccess": "*",
-        "libnpmhook": "^5.0.2",
-        "libnpmorg": "*",
-        "libnpmsearch": "*",
-        "libnpmteam": "*",
+        "libcipm": "^4.0.7",
+        "libnpm": "^3.0.1",
+        "libnpmaccess": "^3.0.2",
+        "libnpmhook": "^5.0.3",
+        "libnpmorg": "^1.0.1",
+        "libnpmsearch": "^2.0.2",
+        "libnpmteam": "^1.0.2",
         "libnpx": "^10.2.0",
         "lock-verify": "^2.1.0",
         "lockfile": "^1.0.4",
@@ -7744,53 +7734,53 @@
         "lodash.union": "~4.6.0",
         "lodash.uniq": "~4.5.0",
         "lodash.without": "~4.4.0",
-        "lru-cache": "^4.1.5",
+        "lru-cache": "^5.1.1",
         "meant": "~1.0.1",
         "mississippi": "^3.0.0",
         "mkdirp": "~0.5.1",
         "move-concurrently": "^1.0.1",
-        "node-gyp": "^3.8.0",
+        "node-gyp": "^5.0.5",
         "nopt": "~4.0.1",
         "normalize-package-data": "^2.5.0",
         "npm-audit-report": "^1.3.2",
         "npm-cache-filename": "~1.0.2",
-        "npm-install-checks": "~3.0.0",
-        "npm-lifecycle": "^2.1.0",
-        "npm-package-arg": "^6.1.0",
-        "npm-packlist": "^1.4.1",
-        "npm-pick-manifest": "^2.2.3",
-        "npm-profile": "*",
-        "npm-registry-fetch": "^3.9.0",
+        "npm-install-checks": "^3.0.2",
+        "npm-lifecycle": "^3.1.4",
+        "npm-package-arg": "^6.1.1",
+        "npm-packlist": "^1.4.7",
+        "npm-pick-manifest": "^3.0.2",
+        "npm-profile": "^4.0.2",
+        "npm-registry-fetch": "^4.0.2",
         "npm-user-validate": "~1.0.0",
         "npmlog": "~4.1.2",
         "once": "~1.4.0",
         "opener": "^1.5.1",
         "osenv": "^0.1.5",
-        "pacote": "^9.5.0",
+        "pacote": "^9.5.11",
         "path-is-inside": "~1.0.2",
         "promise-inflight": "~1.0.1",
         "qrcode-terminal": "^0.12.0",
-        "query-string": "^6.2.0",
+        "query-string": "^6.8.2",
         "qw": "~1.0.1",
         "read": "~1.0.7",
-        "read-cmd-shim": "~1.0.1",
+        "read-cmd-shim": "^1.0.5",
         "read-installed": "~4.0.3",
-        "read-package-json": "^2.0.13",
-        "read-package-tree": "^5.2.2",
-        "readable-stream": "^3.1.1",
-        "readdir-scoped-modules": "*",
+        "read-package-json": "^2.1.1",
+        "read-package-tree": "^5.3.1",
+        "readable-stream": "^3.4.0",
+        "readdir-scoped-modules": "^1.1.0",
         "request": "^2.88.0",
         "retry": "^0.12.0",
         "rimraf": "^2.6.3",
         "safe-buffer": "^5.1.2",
-        "semver": "^5.6.0",
-        "sha": "~2.0.1",
+        "semver": "^5.7.1",
+        "sha": "^3.0.0",
         "slide": "~1.1.6",
         "sorted-object": "~2.0.1",
         "sorted-union-stream": "~2.1.3",
         "ssri": "^6.0.1",
-        "stringify-package": "^1.0.0",
-        "tar": "^4.4.8",
+        "stringify-package": "^1.0.1",
+        "tar": "^4.4.13",
         "text-table": "~0.2.0",
         "tiny-relative-date": "^1.3.0",
         "uid-number": "0.0.6",
@@ -7798,12 +7788,12 @@
         "unique-filename": "^1.1.1",
         "unpipe": "~1.0.0",
         "update-notifier": "^2.5.0",
-        "uuid": "^3.3.2",
+        "uuid": "^3.3.3",
         "validate-npm-package-license": "^3.0.4",
         "validate-npm-package-name": "~3.0.0",
         "which": "^1.3.1",
-        "worker-farm": "^1.6.0",
-        "write-file-atomic": "^2.4.2"
+        "worker-farm": "^1.7.0",
+        "write-file-atomic": "^2.4.3"
       },
       "dependencies": {
         "JSONStream": {
@@ -7819,14 +7809,14 @@
           "bundled": true
         },
         "agent-base": {
-          "version": "4.2.1",
+          "version": "4.3.0",
           "bundled": true,
           "requires": {
             "es6-promisify": "^5.0.0"
           }
         },
         "agentkeepalive": {
-          "version": "3.4.1",
+          "version": "3.5.2",
           "bundled": true,
           "requires": {
             "humanize-ms": "^1.2.1"
@@ -7946,25 +7936,19 @@
           }
         },
         "bin-links": {
-          "version": "1.1.2",
+          "version": "1.1.6",
           "bundled": true,
           "requires": {
-            "bluebird": "^3.5.0",
-            "cmd-shim": "^2.0.2",
-            "gentle-fs": "^2.0.0",
-            "graceful-fs": "^4.1.11",
+            "bluebird": "^3.5.3",
+            "cmd-shim": "^3.0.0",
+            "gentle-fs": "^2.3.0",
+            "graceful-fs": "^4.1.15",
+            "npm-normalize-package-bin": "^1.0.0",
             "write-file-atomic": "^2.3.0"
           }
         },
-        "block-stream": {
-          "version": "0.0.9",
-          "bundled": true,
-          "requires": {
-            "inherits": "~2.0.0"
-          }
-        },
         "bluebird": {
-          "version": "3.5.3",
+          "version": "3.5.5",
           "bundled": true
         },
         "boxen": {
@@ -8005,51 +7989,28 @@
           "bundled": true
         },
         "cacache": {
-          "version": "11.3.2",
+          "version": "12.0.3",
           "bundled": true,
           "requires": {
-            "bluebird": "^3.5.3",
+            "bluebird": "^3.5.5",
             "chownr": "^1.1.1",
             "figgy-pudding": "^3.5.1",
-            "glob": "^7.1.3",
+            "glob": "^7.1.4",
             "graceful-fs": "^4.1.15",
+            "infer-owner": "^1.0.3",
             "lru-cache": "^5.1.1",
             "mississippi": "^3.0.0",
             "mkdirp": "^0.5.1",
             "move-concurrently": "^1.0.1",
             "promise-inflight": "^1.0.1",
-            "rimraf": "^2.6.2",
+            "rimraf": "^2.6.3",
             "ssri": "^6.0.1",
             "unique-filename": "^1.1.1",
             "y18n": "^4.0.0"
-          },
-          "dependencies": {
-            "chownr": {
-              "version": "1.1.1",
-              "bundled": true
-            },
-            "lru-cache": {
-              "version": "5.1.1",
-              "bundled": true,
-              "requires": {
-                "yallist": "^3.0.2"
-              }
-            },
-            "unique-filename": {
-              "version": "1.1.1",
-              "bundled": true,
-              "requires": {
-                "unique-slug": "^2.0.0"
-              }
-            },
-            "yallist": {
-              "version": "3.0.3",
-              "bundled": true
-            }
           }
         },
         "call-limit": {
-          "version": "1.1.0",
+          "version": "1.1.1",
           "bundled": true
         },
         "camelcase": {
@@ -8074,7 +8035,7 @@
           }
         },
         "chownr": {
-          "version": "1.1.1",
+          "version": "1.1.3",
           "bundled": true
         },
         "ci-info": {
@@ -8136,7 +8097,7 @@
           "bundled": true
         },
         "cmd-shim": {
-          "version": "2.0.2",
+          "version": "3.0.3",
           "bundled": true,
           "requires": {
             "graceful-fs": "^4.1.2",
@@ -8282,6 +8243,20 @@
             "lru-cache": "^4.0.1",
             "shebang-command": "^1.2.0",
             "which": "^1.2.9"
+          },
+          "dependencies": {
+            "lru-cache": {
+              "version": "4.1.5",
+              "bundled": true,
+              "requires": {
+                "pseudomap": "^1.0.2",
+                "yallist": "^2.1.2"
+              }
+            },
+            "yallist": {
+              "version": "2.1.2",
+              "bundled": true
+            }
           }
         },
         "crypto-random-string": {
@@ -8335,6 +8310,13 @@
             "clone": "^1.0.2"
           }
         },
+        "define-properties": {
+          "version": "1.1.3",
+          "bundled": true,
+          "requires": {
+            "object-keys": "^1.0.12"
+          }
+        },
         "delayed-stream": {
           "version": "1.0.0",
           "bundled": true
@@ -8433,6 +8415,10 @@
             "once": "^1.4.0"
           }
         },
+        "env-paths": {
+          "version": "1.0.0",
+          "bundled": true
+        },
         "err-code": {
           "version": "1.1.2",
           "bundled": true
@@ -8444,8 +8430,28 @@
             "prr": "~1.0.1"
           }
         },
+        "es-abstract": {
+          "version": "1.12.0",
+          "bundled": true,
+          "requires": {
+            "es-to-primitive": "^1.1.1",
+            "function-bind": "^1.1.1",
+            "has": "^1.0.1",
+            "is-callable": "^1.1.3",
+            "is-regex": "^1.0.4"
+          }
+        },
+        "es-to-primitive": {
+          "version": "1.2.0",
+          "bundled": true,
+          "requires": {
+            "is-callable": "^1.1.4",
+            "is-date-object": "^1.0.1",
+            "is-symbol": "^1.0.2"
+          }
+        },
         "es6-promise": {
-          "version": "4.2.6",
+          "version": "4.2.8",
           "bundled": true
         },
         "es6-promisify": {
@@ -8583,10 +8589,20 @@
           }
         },
         "fs-minipass": {
-          "version": "1.2.5",
+          "version": "1.2.7",
           "bundled": true,
           "requires": {
-            "minipass": "^2.2.1"
+            "minipass": "^2.6.0"
+          },
+          "dependencies": {
+            "minipass": {
+              "version": "2.9.0",
+              "bundled": true,
+              "requires": {
+                "safe-buffer": "^5.1.2",
+                "yallist": "^3.0.0"
+              }
+            }
           }
         },
         "fs-vacuum": {
@@ -8638,15 +8654,9 @@
           "version": "1.0.0",
           "bundled": true
         },
-        "fstream": {
-          "version": "1.0.11",
-          "bundled": true,
-          "requires": {
-            "graceful-fs": "^4.1.2",
-            "inherits": "~2.0.0",
-            "mkdirp": ">=0.5 0",
-            "rimraf": "2"
-          }
+        "function-bind": {
+          "version": "1.1.1",
+          "bundled": true
         },
         "gauge": {
           "version": "2.7.4",
@@ -8682,13 +8692,16 @@
           "bundled": true
         },
         "gentle-fs": {
-          "version": "2.0.1",
+          "version": "2.3.0",
           "bundled": true,
           "requires": {
             "aproba": "^1.1.2",
+            "chownr": "^1.1.2",
+            "cmd-shim": "^3.0.3",
             "fs-vacuum": "^1.2.10",
             "graceful-fs": "^4.1.11",
             "iferr": "^0.1.5",
+            "infer-owner": "^1.0.4",
             "mkdirp": "^0.5.1",
             "path-is-inside": "^1.0.2",
             "read-cmd-shim": "^1.0.1",
@@ -8724,7 +8737,7 @@
           }
         },
         "glob": {
-          "version": "7.1.3",
+          "version": "7.1.4",
           "bundled": true,
           "requires": {
             "fs.realpath": "^1.0.0",
@@ -8766,7 +8779,7 @@
           }
         },
         "graceful-fs": {
-          "version": "4.1.15",
+          "version": "4.2.3",
           "bundled": true
         },
         "har-schema": {
@@ -8781,16 +8794,27 @@
             "har-schema": "^2.0.0"
           }
         },
+        "has": {
+          "version": "1.0.3",
+          "bundled": true,
+          "requires": {
+            "function-bind": "^1.1.1"
+          }
+        },
         "has-flag": {
           "version": "3.0.0",
           "bundled": true
         },
+        "has-symbols": {
+          "version": "1.0.0",
+          "bundled": true
+        },
         "has-unicode": {
           "version": "2.0.1",
           "bundled": true
         },
         "hosted-git-info": {
-          "version": "2.7.1",
+          "version": "2.8.5",
           "bundled": true
         },
         "http-cache-semantics": {
@@ -8815,10 +8839,10 @@
           }
         },
         "https-proxy-agent": {
-          "version": "2.2.1",
+          "version": "2.2.4",
           "bundled": true,
           "requires": {
-            "agent-base": "^4.1.0",
+            "agent-base": "^4.3.0",
             "debug": "^3.1.0"
           }
         },
@@ -8841,7 +8865,7 @@
           "bundled": true
         },
         "ignore-walk": {
-          "version": "3.0.1",
+          "version": "3.0.3",
           "bundled": true,
           "requires": {
             "minimatch": "^3.0.4"
@@ -8855,6 +8879,10 @@
           "version": "0.1.4",
           "bundled": true
         },
+        "infer-owner": {
+          "version": "1.0.4",
+          "bundled": true
+        },
         "inflight": {
           "version": "1.0.6",
           "bundled": true,
@@ -8864,7 +8892,7 @@
           }
         },
         "inherits": {
-          "version": "2.0.3",
+          "version": "2.0.4",
           "bundled": true
         },
         "ini": {
@@ -8897,6 +8925,10 @@
           "version": "2.1.0",
           "bundled": true
         },
+        "is-callable": {
+          "version": "1.1.4",
+          "bundled": true
+        },
         "is-ci": {
           "version": "1.1.0",
           "bundled": true,
@@ -8917,6 +8949,10 @@
             "cidr-regex": "^2.0.10"
           }
         },
+        "is-date-object": {
+          "version": "1.0.1",
+          "bundled": true
+        },
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
@@ -8951,6 +8987,13 @@
           "version": "1.0.0",
           "bundled": true
         },
+        "is-regex": {
+          "version": "1.0.4",
+          "bundled": true,
+          "requires": {
+            "has": "^1.0.1"
+          }
+        },
         "is-retry-allowed": {
           "version": "1.1.0",
           "bundled": true
@@ -8959,6 +9002,13 @@
           "version": "1.1.0",
           "bundled": true
         },
+        "is-symbol": {
+          "version": "1.0.2",
+          "bundled": true,
+          "requires": {
+            "has-symbols": "^1.0.0"
+          }
+        },
         "is-typedarray": {
           "version": "1.0.0",
           "bundled": true
@@ -9029,7 +9079,7 @@
           }
         },
         "libcipm": {
-          "version": "3.0.3",
+          "version": "4.0.7",
           "bundled": true,
           "requires": {
             "bin-links": "^1.1.2",
@@ -9040,7 +9090,7 @@
             "ini": "^1.3.5",
             "lock-verify": "^2.0.2",
             "mkdirp": "^0.5.1",
-            "npm-lifecycle": "^2.0.3",
+            "npm-lifecycle": "^3.0.0",
             "npm-logical-tree": "^1.2.1",
             "npm-package-arg": "^6.1.0",
             "pacote": "^9.1.0",
@@ -9050,45 +9100,39 @@
           }
         },
         "libnpm": {
-          "version": "2.0.1",
+          "version": "3.0.1",
           "bundled": true,
           "requires": {
             "bin-links": "^1.1.2",
             "bluebird": "^3.5.3",
             "find-npm-prefix": "^1.0.2",
-            "libnpmaccess": "^3.0.1",
+            "libnpmaccess": "^3.0.2",
             "libnpmconfig": "^1.2.1",
-            "libnpmhook": "^5.0.2",
-            "libnpmorg": "^1.0.0",
-            "libnpmpublish": "^1.1.0",
-            "libnpmsearch": "^2.0.0",
-            "libnpmteam": "^1.0.1",
+            "libnpmhook": "^5.0.3",
+            "libnpmorg": "^1.0.1",
+            "libnpmpublish": "^1.1.2",
+            "libnpmsearch": "^2.0.2",
+            "libnpmteam": "^1.0.2",
             "lock-verify": "^2.0.2",
-            "npm-lifecycle": "^2.1.0",
+            "npm-lifecycle": "^3.0.0",
             "npm-logical-tree": "^1.2.1",
             "npm-package-arg": "^6.1.0",
-            "npm-profile": "^4.0.1",
-            "npm-registry-fetch": "^3.8.0",
+            "npm-profile": "^4.0.2",
+            "npm-registry-fetch": "^4.0.0",
             "npmlog": "^4.1.2",
-            "pacote": "^9.2.3",
+            "pacote": "^9.5.3",
             "read-package-json": "^2.0.13",
             "stringify-package": "^1.0.0"
           }
         },
         "libnpmaccess": {
-          "version": "3.0.1",
+          "version": "3.0.2",
           "bundled": true,
           "requires": {
             "aproba": "^2.0.0",
             "get-stream": "^4.0.0",
             "npm-package-arg": "^6.1.0",
-            "npm-registry-fetch": "^3.8.0"
-          },
-          "dependencies": {
-            "aproba": {
-              "version": "2.0.0",
-              "bundled": true
-            }
+            "npm-registry-fetch": "^4.0.0"
           }
         },
         "libnpmconfig": {
@@ -9116,7 +9160,7 @@
               }
             },
             "p-limit": {
-              "version": "2.1.0",
+              "version": "2.2.0",
               "bundled": true,
               "requires": {
                 "p-try": "^2.0.0"
@@ -9130,39 +9174,33 @@
               }
             },
             "p-try": {
-              "version": "2.0.0",
+              "version": "2.2.0",
               "bundled": true
             }
           }
         },
         "libnpmhook": {
-          "version": "5.0.2",
+          "version": "5.0.3",
           "bundled": true,
           "requires": {
             "aproba": "^2.0.0",
             "figgy-pudding": "^3.4.1",
             "get-stream": "^4.0.0",
-            "npm-registry-fetch": "^3.8.0"
+            "npm-registry-fetch": "^4.0.0"
           }
         },
         "libnpmorg": {
-          "version": "1.0.0",
+          "version": "1.0.1",
           "bundled": true,
           "requires": {
             "aproba": "^2.0.0",
             "figgy-pudding": "^3.4.1",
             "get-stream": "^4.0.0",
-            "npm-registry-fetch": "^3.8.0"
-          },
-          "dependencies": {
-            "aproba": {
-              "version": "2.0.0",
-              "bundled": true
-            }
+            "npm-registry-fetch": "^4.0.0"
           }
         },
         "libnpmpublish": {
-          "version": "1.1.1",
+          "version": "1.1.2",
           "bundled": true,
           "requires": {
             "aproba": "^2.0.0",
@@ -9171,34 +9209,28 @@
             "lodash.clonedeep": "^4.5.0",
             "normalize-package-data": "^2.4.0",
             "npm-package-arg": "^6.1.0",
-            "npm-registry-fetch": "^3.8.0",
+            "npm-registry-fetch": "^4.0.0",
             "semver": "^5.5.1",
             "ssri": "^6.0.1"
           }
         },
         "libnpmsearch": {
-          "version": "2.0.0",
+          "version": "2.0.2",
           "bundled": true,
           "requires": {
             "figgy-pudding": "^3.5.1",
             "get-stream": "^4.0.0",
-            "npm-registry-fetch": "^3.8.0"
+            "npm-registry-fetch": "^4.0.0"
           }
         },
         "libnpmteam": {
-          "version": "1.0.1",
+          "version": "1.0.2",
           "bundled": true,
           "requires": {
             "aproba": "^2.0.0",
             "figgy-pudding": "^3.4.1",
             "get-stream": "^4.0.0",
-            "npm-registry-fetch": "^3.8.0"
-          },
-          "dependencies": {
-            "aproba": {
-              "version": "2.0.0",
-              "bundled": true
-            }
+            "npm-registry-fetch": "^4.0.0"
           }
         },
         "libnpx": {
@@ -9302,11 +9334,10 @@
           "bundled": true
         },
         "lru-cache": {
-          "version": "4.1.5",
+          "version": "5.1.1",
           "bundled": true,
           "requires": {
-            "pseudomap": "^1.0.2",
-            "yallist": "^2.1.2"
+            "yallist": "^3.0.2"
           }
         },
         "make-dir": {
@@ -9317,15 +9348,15 @@
           }
         },
         "make-fetch-happen": {
-          "version": "4.0.1",
+          "version": "5.0.2",
           "bundled": true,
           "requires": {
             "agentkeepalive": "^3.4.1",
-            "cacache": "^11.0.1",
+            "cacache": "^12.0.0",
             "http-cache-semantics": "^3.8.1",
             "http-proxy-agent": "^2.1.0",
-            "https-proxy-agent": "^2.2.1",
-            "lru-cache": "^4.1.2",
+            "https-proxy-agent": "^2.2.3",
+            "lru-cache": "^5.1.1",
             "mississippi": "^3.0.0",
             "node-fetch-npm": "^2.0.2",
             "promise-retry": "^1.1.1",
@@ -9370,27 +9401,23 @@
           "version": "0.0.8",
           "bundled": true
         },
-        "minipass": {
-          "version": "2.3.3",
+        "minizlib": {
+          "version": "1.3.3",
           "bundled": true,
           "requires": {
-            "safe-buffer": "^5.1.2",
-            "yallist": "^3.0.0"
+            "minipass": "^2.9.0"
           },
           "dependencies": {
-            "yallist": {
-              "version": "3.0.2",
-              "bundled": true
+            "minipass": {
+              "version": "2.9.0",
+              "bundled": true,
+              "requires": {
+                "safe-buffer": "^5.1.2",
+                "yallist": "^3.0.0"
+              }
             }
           }
         },
-        "minizlib": {
-          "version": "1.1.1",
-          "bundled": true,
-          "requires": {
-            "minipass": "^2.2.1"
-          }
-        },
         "mississippi": {
           "version": "3.0.0",
           "bundled": true,
@@ -9450,20 +9477,19 @@
           }
         },
         "node-gyp": {
-          "version": "3.8.0",
+          "version": "5.0.5",
           "bundled": true,
           "requires": {
-            "fstream": "^1.0.0",
+            "env-paths": "^1.0.0",
             "glob": "^7.0.3",
             "graceful-fs": "^4.1.2",
             "mkdirp": "^0.5.0",
             "nopt": "2 || 3",
             "npmlog": "0 || 1 || 2 || 3 || 4",
-            "osenv": "0",
             "request": "^2.87.0",
             "rimraf": "2",
             "semver": "~5.3.0",
-            "tar": "^2.0.0",
+            "tar": "^4.4.12",
             "which": "1"
           },
           "dependencies": {
@@ -9477,15 +9503,6 @@
             "semver": {
               "version": "5.3.0",
               "bundled": true
-            },
-            "tar": {
-              "version": "2.2.1",
-              "bundled": true,
-              "requires": {
-                "block-stream": "*",
-                "fstream": "^1.0.2",
-                "inherits": "2"
-              }
             }
           }
         },
@@ -9525,27 +9542,30 @@
           }
         },
         "npm-bundled": {
-          "version": "1.0.6",
-          "bundled": true
+          "version": "1.1.1",
+          "bundled": true,
+          "requires": {
+            "npm-normalize-package-bin": "^1.0.1"
+          }
         },
         "npm-cache-filename": {
           "version": "1.0.2",
           "bundled": true
         },
         "npm-install-checks": {
-          "version": "3.0.0",
+          "version": "3.0.2",
           "bundled": true,
           "requires": {
             "semver": "^2.3.0 || 3.x || 4 || 5"
           }
         },
         "npm-lifecycle": {
-          "version": "2.1.0",
+          "version": "3.1.4",
           "bundled": true,
           "requires": {
             "byline": "^5.0.0",
-            "graceful-fs": "^4.1.11",
-            "node-gyp": "^3.8.0",
+            "graceful-fs": "^4.1.15",
+            "node-gyp": "^5.0.2",
             "resolve-from": "^4.0.0",
             "slide": "^1.1.6",
             "uid-number": "0.0.6",
@@ -9557,18 +9577,22 @@
           "version": "1.2.1",
           "bundled": true
         },
+        "npm-normalize-package-bin": {
+          "version": "1.0.1",
+          "bundled": true
+        },
         "npm-package-arg": {
-          "version": "6.1.0",
+          "version": "6.1.1",
           "bundled": true,
           "requires": {
-            "hosted-git-info": "^2.6.0",
+            "hosted-git-info": "^2.7.1",
             "osenv": "^0.1.5",
-            "semver": "^5.5.0",
+            "semver": "^5.6.0",
             "validate-npm-package-name": "^3.0.0"
           }
         },
         "npm-packlist": {
-          "version": "1.4.1",
+          "version": "1.4.7",
           "bundled": true,
           "requires": {
             "ignore-walk": "^3.0.1",
@@ -9576,7 +9600,7 @@
           }
         },
         "npm-pick-manifest": {
-          "version": "2.2.3",
+          "version": "3.0.2",
           "bundled": true,
           "requires": {
             "figgy-pudding": "^3.5.1",
@@ -9585,24 +9609,31 @@
           }
         },
         "npm-profile": {
-          "version": "4.0.1",
+          "version": "4.0.2",
           "bundled": true,
           "requires": {
             "aproba": "^1.1.2 || 2",
             "figgy-pudding": "^3.4.1",
-            "npm-registry-fetch": "^3.8.0"
+            "npm-registry-fetch": "^4.0.0"
           }
         },
         "npm-registry-fetch": {
-          "version": "3.9.0",
+          "version": "4.0.2",
           "bundled": true,
           "requires": {
             "JSONStream": "^1.3.4",
             "bluebird": "^3.5.1",
             "figgy-pudding": "^3.4.1",
-            "lru-cache": "^4.1.3",
-            "make-fetch-happen": "^4.0.1",
-            "npm-package-arg": "^6.1.0"
+            "lru-cache": "^5.1.1",
+            "make-fetch-happen": "^5.0.0",
+            "npm-package-arg": "^6.1.0",
+            "safe-buffer": "^5.2.0"
+          },
+          "dependencies": {
+            "safe-buffer": {
+              "version": "5.2.0",
+              "bundled": true
+            }
           }
         },
         "npm-run-path": {
@@ -9638,6 +9669,18 @@
           "version": "4.1.1",
           "bundled": true
         },
+        "object-keys": {
+          "version": "1.0.12",
+          "bundled": true
+        },
+        "object.getownpropertydescriptors": {
+          "version": "2.0.3",
+          "bundled": true,
+          "requires": {
+            "define-properties": "^1.1.2",
+            "es-abstract": "^1.5.1"
+          }
+        },
         "once": {
           "version": "1.4.0",
           "bundled": true,
@@ -9707,25 +9750,28 @@
           }
         },
         "pacote": {
-          "version": "9.5.0",
+          "version": "9.5.11",
           "bundled": true,
           "requires": {
             "bluebird": "^3.5.3",
-            "cacache": "^11.3.2",
+            "cacache": "^12.0.2",
+            "chownr": "^1.1.2",
             "figgy-pudding": "^3.5.1",
             "get-stream": "^4.1.0",
             "glob": "^7.1.3",
+            "infer-owner": "^1.0.4",
             "lru-cache": "^5.1.1",
-            "make-fetch-happen": "^4.0.1",
+            "make-fetch-happen": "^5.0.0",
             "minimatch": "^3.0.4",
             "minipass": "^2.3.5",
             "mississippi": "^3.0.0",
             "mkdirp": "^0.5.1",
             "normalize-package-data": "^2.4.0",
+            "npm-normalize-package-bin": "^1.0.0",
             "npm-package-arg": "^6.1.0",
             "npm-packlist": "^1.1.12",
-            "npm-pick-manifest": "^2.2.3",
-            "npm-registry-fetch": "^3.8.0",
+            "npm-pick-manifest": "^3.0.0",
+            "npm-registry-fetch": "^4.0.0",
             "osenv": "^0.1.5",
             "promise-inflight": "^1.0.1",
             "promise-retry": "^1.1.1",
@@ -9734,29 +9780,18 @@
             "safe-buffer": "^5.1.2",
             "semver": "^5.6.0",
             "ssri": "^6.0.1",
-            "tar": "^4.4.8",
+            "tar": "^4.4.10",
             "unique-filename": "^1.1.1",
             "which": "^1.3.1"
           },
           "dependencies": {
-            "lru-cache": {
-              "version": "5.1.1",
-              "bundled": true,
-              "requires": {
-                "yallist": "^3.0.2"
-              }
-            },
             "minipass": {
-              "version": "2.3.5",
+              "version": "2.9.0",
               "bundled": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
                 "yallist": "^3.0.0"
               }
-            },
-            "yallist": {
-              "version": "3.0.3",
-              "bundled": true
             }
           }
         },
@@ -9915,10 +9950,11 @@
           "bundled": true
         },
         "query-string": {
-          "version": "6.2.0",
+          "version": "6.8.2",
           "bundled": true,
           "requires": {
             "decode-uri-component": "^0.2.0",
+            "split-on-first": "^1.0.0",
             "strict-uri-encode": "^2.0.0"
           }
         },
@@ -9950,7 +9986,7 @@
           }
         },
         "read-cmd-shim": {
-          "version": "1.0.1",
+          "version": "1.0.5",
           "bundled": true,
           "requires": {
             "graceful-fs": "^4.1.2"
@@ -9970,29 +10006,27 @@
           }
         },
         "read-package-json": {
-          "version": "2.0.13",
+          "version": "2.1.1",
           "bundled": true,
           "requires": {
             "glob": "^7.1.1",
             "graceful-fs": "^4.1.2",
             "json-parse-better-errors": "^1.0.1",
             "normalize-package-data": "^2.0.0",
-            "slash": "^1.0.0"
+            "npm-normalize-package-bin": "^1.0.0"
           }
         },
         "read-package-tree": {
-          "version": "5.2.2",
+          "version": "5.3.1",
           "bundled": true,
           "requires": {
-            "debuglog": "^1.0.1",
-            "dezalgo": "^1.0.0",
-            "once": "^1.3.0",
             "read-package-json": "^2.0.0",
-            "readdir-scoped-modules": "^1.0.0"
+            "readdir-scoped-modules": "^1.0.0",
+            "util-promisify": "^2.1.0"
           }
         },
         "readable-stream": {
-          "version": "3.1.1",
+          "version": "3.4.0",
           "bundled": true,
           "requires": {
             "inherits": "^2.0.3",
@@ -10001,7 +10035,7 @@
           }
         },
         "readdir-scoped-modules": {
-          "version": "1.0.2",
+          "version": "1.1.0",
           "bundled": true,
           "requires": {
             "debuglog": "^1.0.1",
@@ -10096,7 +10130,7 @@
           "bundled": true
         },
         "semver": {
-          "version": "5.6.0",
+          "version": "5.7.1",
           "bundled": true
         },
         "semver-diff": {
@@ -10111,33 +10145,10 @@
           "bundled": true
         },
         "sha": {
-          "version": "2.0.1",
+          "version": "3.0.0",
           "bundled": true,
           "requires": {
-            "graceful-fs": "^4.1.2",
-            "readable-stream": "^2.0.2"
-          },
-          "dependencies": {
-            "readable-stream": {
-              "version": "2.3.6",
-              "bundled": true,
-              "requires": {
-                "core-util-is": "~1.0.0",
-                "inherits": "~2.0.3",
-                "isarray": "~1.0.0",
-                "process-nextick-args": "~2.0.0",
-                "safe-buffer": "~5.1.1",
-                "string_decoder": "~1.1.1",
-                "util-deprecate": "~1.0.1"
-              }
-            },
-            "string_decoder": {
-              "version": "1.1.1",
-              "bundled": true,
-              "requires": {
-                "safe-buffer": "~5.1.0"
-              }
-            }
+            "graceful-fs": "^4.1.2"
           }
         },
         "shebang-command": {
@@ -10155,32 +10166,37 @@
           "version": "3.0.2",
           "bundled": true
         },
-        "slash": {
-          "version": "1.0.0",
-          "bundled": true
-        },
         "slide": {
           "version": "1.1.6",
           "bundled": true
         },
         "smart-buffer": {
-          "version": "4.0.1",
+          "version": "4.1.0",
           "bundled": true
         },
         "socks": {
-          "version": "2.2.0",
+          "version": "2.3.3",
           "bundled": true,
           "requires": {
-            "ip": "^1.1.5",
-            "smart-buffer": "^4.0.1"
+            "ip": "1.1.5",
+            "smart-buffer": "^4.1.0"
           }
         },
         "socks-proxy-agent": {
-          "version": "4.0.1",
+          "version": "4.0.2",
           "bundled": true,
           "requires": {
-            "agent-base": "~4.2.0",
-            "socks": "~2.2.0"
+            "agent-base": "~4.2.1",
+            "socks": "~2.3.2"
+          },
+          "dependencies": {
+            "agent-base": {
+              "version": "4.2.1",
+              "bundled": true,
+              "requires": {
+                "es6-promisify": "^5.0.0"
+              }
+            }
           }
         },
         "sorted-object": {
@@ -10247,6 +10263,10 @@
           "version": "3.0.3",
           "bundled": true
         },
+        "split-on-first": {
+          "version": "1.1.0",
+          "bundled": true
+        },
         "sshpk": {
           "version": "1.14.2",
           "bundled": true,
@@ -10348,7 +10368,7 @@
           }
         },
         "stringify-package": {
-          "version": "1.0.0",
+          "version": "1.0.1",
           "bundled": true
         },
         "strip-ansi": {
@@ -10374,33 +10394,25 @@
           }
         },
         "tar": {
-          "version": "4.4.8",
+          "version": "4.4.13",
           "bundled": true,
           "requires": {
             "chownr": "^1.1.1",
             "fs-minipass": "^1.2.5",
-            "minipass": "^2.3.4",
-            "minizlib": "^1.1.1",
+            "minipass": "^2.8.6",
+            "minizlib": "^1.2.1",
             "mkdirp": "^0.5.0",
             "safe-buffer": "^5.1.2",
-            "yallist": "^3.0.2"
+            "yallist": "^3.0.3"
           },
           "dependencies": {
-            "chownr": {
-              "version": "1.1.1",
-              "bundled": true
-            },
             "minipass": {
-              "version": "2.3.5",
+              "version": "2.9.0",
               "bundled": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
                 "yallist": "^3.0.0"
               }
-            },
-            "yallist": {
-              "version": "3.0.3",
-              "bundled": true
             }
           }
         },
@@ -10549,8 +10561,15 @@
           "version": "1.0.3",
           "bundled": true
         },
+        "util-promisify": {
+          "version": "2.1.0",
+          "bundled": true,
+          "requires": {
+            "object.getownpropertydescriptors": "^2.0.3"
+          }
+        },
         "uuid": {
-          "version": "3.3.2",
+          "version": "3.3.3",
           "bundled": true
         },
         "validate-npm-package-license": {
@@ -10621,7 +10640,7 @@
           }
         },
         "worker-farm": {
-          "version": "1.6.0",
+          "version": "1.7.0",
           "bundled": true,
           "requires": {
             "errno": "~0.1.7"
@@ -10651,7 +10670,7 @@
           "bundled": true
         },
         "write-file-atomic": {
-          "version": "2.4.2",
+          "version": "2.4.3",
           "bundled": true,
           "requires": {
             "graceful-fs": "^4.1.11",
@@ -10672,7 +10691,7 @@
           "bundled": true
         },
         "yallist": {
-          "version": "2.1.2",
+          "version": "3.0.3",
           "bundled": true
         },
         "yargs": {
diff --git a/package.json b/package.json
index 1c967af..f7a7d69 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
   "dependencies": {
     "mockjs": "^1.0.1-beta3",
     "mpvue": "^2.0.0",
-    "npm": "^6.9.0",
+    "npm": "^6.13.4",
     "only": "0.0.2",
     "sha1": "^1.1.1",
     "vant-weapp": "^0.5.7",