diff --git a/package-lock.json b/package-lock.json
index 95dbfdd..ccda7f1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -194,6 +194,15 @@
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       "resolved": "https://registry.npmmirror.com/ansi-cyan/-/ansi-cyan-0.1.1.tgz",
@@ -211,7 +220,7 @@
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-      "resolved": "https://registry.npmmirror.com/ansi-gray/-/ansi-gray-0.1.1.tgz",
+      "resolved": "https://registry.npmjs.org/ansi-gray/-/ansi-gray-0.1.1.tgz",
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@@ -250,6 +259,36 @@
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+      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-2.0.0.tgz",
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+          "dev": true,
+          "requires": {
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@@ -257,7 +296,7 @@
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-      "resolved": "https://registry.npmmirror.com/archy/-/archy-1.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/archy/-/archy-1.0.0.tgz",
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@@ -272,28 +311,40 @@
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-      "resolved": "https://registry.npmmirror.com/arr-diff/-/arr-diff-4.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz",
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+      "resolved": "https://registry.npmjs.org/arr-filter/-/arr-filter-1.1.2.tgz",
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+      "dev": true,
+      "requires": {
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+      "resolved": "https://registry.npmjs.org/arr-map/-/arr-map-2.0.2.tgz",
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+      "dev": true,
+      "requires": {
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-      "resolved": "https://registry.npmmirror.com/arr-union/-/arr-union-3.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/arr-union/-/arr-union-3.1.0.tgz",
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@@ -315,12 +366,66 @@
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+      "resolved": "https://registry.npmjs.org/array-initial/-/array-initial-1.1.0.tgz",
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+      "dev": true,
+      "requires": {
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+          "dev": true
+        }
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+    },
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+      "resolved": "https://registry.npmjs.org/array-last/-/array-last-1.3.0.tgz",
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+      "dev": true,
+      "requires": {
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+        }
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-      "resolved": "https://registry.npmmirror.com/array-slice/-/array-slice-1.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/array-slice/-/array-slice-1.1.0.tgz",
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+        }
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       "resolved": "http://registry.npm.taobao.org/array-union/download/array-union-1.0.2.tgz",
@@ -338,7 +443,7 @@
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-      "resolved": "https://registry.npmmirror.com/array-unique/-/array-unique-0.3.2.tgz",
+      "resolved": "https://registry.npmjs.org/array-unique/-/array-unique-0.3.2.tgz",
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@@ -375,6 +480,33 @@
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+      "resolved": "https://registry.npmjs.org/async-done/-/async-done-1.3.2.tgz",
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+      "requires": {
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+        "once": "^1.3.2",
+        "process-nextick-args": "^2.0.0",
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+      "resolved": "https://registry.npmjs.org/async-each/-/async-each-1.0.6.tgz",
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+      "dev": true
+    },
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+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/async-settle/-/async-settle-1.0.0.tgz",
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+      "dev": true,
+      "requires": {
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       "resolved": "https://registry.npmmirror.com/asynckit/-/asynckit-0.4.0.tgz",
@@ -382,7 +514,7 @@
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-      "resolved": "https://registry.npmmirror.com/atob/-/atob-2.1.2.tgz",
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@@ -421,6 +553,23 @@
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+      "requires": {
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+        "arr-flatten": "^1.0.1",
+        "arr-map": "^2.0.0",
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+        "array-initial": "^1.0.0",
+        "array-last": "^1.1.1",
+        "async-done": "^1.2.2",
+        "async-settle": "^1.0.0",
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       "resolved": "http://registry.npm.taobao.org/balanced-match/download/balanced-match-1.0.0.tgz",
@@ -428,7 +577,7 @@
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-      "resolved": "https://registry.npmmirror.com/base/-/base-0.11.2.tgz",
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@@ -443,7 +592,7 @@
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-          "resolved": "https://registry.npmmirror.com/define-property/-/define-property-1.0.0.tgz",
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@@ -452,7 +601,7 @@
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-          "resolved": "https://registry.npmmirror.com/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz",
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@@ -461,7 +610,7 @@
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-          "resolved": "https://registry.npmmirror.com/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz",
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@@ -470,7 +619,7 @@
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-          "resolved": "https://registry.npmmirror.com/is-descriptor/-/is-descriptor-1.0.2.tgz",
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@@ -481,17 +630,17 @@
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       "integrity": "sha1-228UBnwUC9RmJIFaeRbJLZtsJLE="
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+    "binary-extensions": {
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+      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-1.13.1.tgz",
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@@ -500,6 +649,25 @@
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+      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
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+      "dev": true,
+      "optional": true,
+      "requires": {
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+          "resolved": "https://registry.npmjs.org/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz",
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+          "optional": true
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       "resolved": "http://registry.npm.taobao.org/body-parser/download/body-parser-1.18.3.tgz",
@@ -543,7 +711,7 @@
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-      "resolved": "https://registry.npmmirror.com/braces/-/braces-2.3.2.tgz",
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@@ -559,6 +727,12 @@
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+      "resolved": "https://registry.npmjs.org/buffer-equal/-/buffer-equal-1.0.1.tgz",
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@@ -591,7 +765,7 @@
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-      "resolved": "https://registry.npmmirror.com/cache-base/-/cache-base-1.0.1.tgz",
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@@ -606,6 +780,16 @@
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+      "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.2.tgz",
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+      "dev": true,
+      "requires": {
+        "function-bind": "^1.1.1",
+        "get-intrinsic": "^1.0.2"
+      }
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+        "string_decoder": {
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+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
           "dev": true,
           "requires": {
-            "readable-stream": ">=1.0.33-1 <1.1.0-0",
-            "xtend": ">=4.0.0 <4.1.0-0"
+            "safe-buffer": "~5.1.0"
           }
-        },
-        "vinyl": {
-          "version": "0.4.6",
-          "resolved": "https://registry.npmmirror.com/vinyl/-/vinyl-0.4.6.tgz",
-          "integrity": "sha512-pmza4M5VA15HOImIQYWhoXGlGNafCm0QK5BpBUXkzzEwrRxKqBsbAhTfkT2zMcJhUX1G1Gkid0xaV8WjOl7DsA==",
+        }
+      }
+    },
+    "vinyl-sourcemap": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/vinyl-sourcemap/-/vinyl-sourcemap-1.1.0.tgz",
+      "integrity": "sha512-NiibMgt6VJGJmyw7vtzhctDcfKch4e4n9TBeoWlirb7FMg9/1Ov9k+A5ZRAtywBpRPiyECvQRQllYM8dECegVA==",
+      "dev": true,
+      "requires": {
+        "append-buffer": "^1.0.2",
+        "convert-source-map": "^1.5.0",
+        "graceful-fs": "^4.1.6",
+        "normalize-path": "^2.1.1",
+        "now-and-later": "^2.0.0",
+        "remove-bom-buffer": "^3.0.0",
+        "vinyl": "^2.0.0"
+      },
+      "dependencies": {
+        "normalize-path": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-2.1.1.tgz",
+          "integrity": "sha512-3pKJwH184Xo/lnH6oyP1q2pMd7HcypqqmRs91/6/i2CGtWwIKGCkOOMTm/zXbgTEWHw1uNpNi/igc3ePOYHb6w==",
           "dev": true,
           "requires": {
-            "clone": "^0.2.0",
-            "clone-stats": "^0.0.1"
+            "remove-trailing-separator": "^1.0.1"
           }
         }
       }
@@ -6148,6 +6836,12 @@
         "isexe": "2.0.0"
       }
     },
+    "which-module": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/which-module/-/which-module-1.0.0.tgz",
+      "integrity": "sha512-F6+WgncZi/mJDrammbTuHe1q0R5hOXv/mBaiNA2TCNT/LTHusX0V+CJnj9XT8ki5ln2UZyyddDgHfCzyrOH7MQ==",
+      "dev": true
+    },
     "win-release": {
       "version": "1.1.1",
       "resolved": "https://registry.npmmirror.com/win-release/-/win-release-1.1.1.tgz",
@@ -6298,6 +6992,47 @@
       "resolved": "http://registry.npm.taobao.org/wordwrap/download/wordwrap-0.0.3.tgz",
       "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc="
     },
+    "wrap-ansi": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
+      "integrity": "sha512-vAaEaDM946gbNpH5pLVNR+vX2ht6n0Bt3GXwVB1AuAqZosOvHNF3P7wDnh8KLkSqgUh0uh77le7Owgoz+Z9XBw==",
+      "dev": true,
+      "requires": {
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1"
+      },
+      "dependencies": {
+        "is-fullwidth-code-point": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
+          "integrity": "sha512-1pqUqRjkhPJ9miNq9SwMfdvi6lBJcd6eFxvfaivQhaH3SgisfiuudvFntdKOmxuee/77l+FPjKrQjWvmPjWrRw==",
+          "dev": true,
+          "requires": {
+            "number-is-nan": "^1.0.0"
+          }
+        },
+        "string-width": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+          "integrity": "sha512-0XsVpQLnVCXHJfyEs8tC0zpTVIr5PKKsQtkT29IwupnPTjtPmQ3xT/4yCREF9hYkV/3M3kzcUTSAZT6a6h81tw==",
+          "dev": true,
+          "requires": {
+            "code-point-at": "^1.0.0",
+            "is-fullwidth-code-point": "^1.0.0",
+            "strip-ansi": "^3.0.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "integrity": "sha512-VhumSSbBqDTP8p2ZLKj40UjBCV4+v8bUSEpUb4KjRgWk9pbqGF4REFj6KEagidb2f/M6AzC0EmFyDNGaw9OCzg==",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^2.0.0"
+          }
+        }
+      }
+    },
     "wrappy": {
       "version": "1.0.2",
       "resolved": "http://registry.npm.taobao.org/wrappy/download/wrappy-1.0.2.tgz",
@@ -6336,11 +7071,133 @@
       "resolved": "http://registry.npm.taobao.org/xtend/download/xtend-4.0.1.tgz",
       "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
     },
+    "y18n": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.2.tgz",
+      "integrity": "sha512-uGZHXkHnhF0XeeAPgnKfPv1bgKAYyVvmNL1xlKsPYZPaIHxGti2hHqvOCQv71XMsLxu1QjergkqogUnms5D3YQ==",
+      "dev": true
+    },
     "yallist": {
       "version": "2.1.2",
       "resolved": "http://registry.npm.taobao.org/yallist/download/yallist-2.1.2.tgz",
       "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
       "dev": true
+    },
+    "yargs": {
+      "version": "7.1.2",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-7.1.2.tgz",
+      "integrity": "sha512-ZEjj/dQYQy0Zx0lgLMLR8QuaqTihnxirir7EwUHp1Axq4e3+k8jXU5K0VLbNvedv1f4EWtBonDIZm0NUr+jCcA==",
+      "dev": true,
+      "requires": {
+        "camelcase": "^3.0.0",
+        "cliui": "^3.2.0",
+        "decamelize": "^1.1.1",
+        "get-caller-file": "^1.0.1",
+        "os-locale": "^1.4.0",
+        "read-pkg-up": "^1.0.1",
+        "require-directory": "^2.1.1",
+        "require-main-filename": "^1.0.1",
+        "set-blocking": "^2.0.0",
+        "string-width": "^1.0.2",
+        "which-module": "^1.0.0",
+        "y18n": "^3.2.1",
+        "yargs-parser": "^5.0.1"
+      },
+      "dependencies": {
+        "is-fullwidth-code-point": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
+          "integrity": "sha512-1pqUqRjkhPJ9miNq9SwMfdvi6lBJcd6eFxvfaivQhaH3SgisfiuudvFntdKOmxuee/77l+FPjKrQjWvmPjWrRw==",
+          "dev": true,
+          "requires": {
+            "number-is-nan": "^1.0.0"
+          }
+        },
+        "load-json-file": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
+          "integrity": "sha512-cy7ZdNRXdablkXYNI049pthVeXFurRyb9+hA/dZzerZ0pGTx42z+y+ssxBaVV2l70t1muq5IdKhn4UtcoGUY9A==",
+          "dev": true,
+          "requires": {
+            "graceful-fs": "^4.1.2",
+            "parse-json": "^2.2.0",
+            "pify": "^2.0.0",
+            "pinkie-promise": "^2.0.0",
+            "strip-bom": "^2.0.0"
+          }
+        },
+        "path-type": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/path-type/-/path-type-1.1.0.tgz",
+          "integrity": "sha512-S4eENJz1pkiQn9Znv33Q+deTOKmbl+jj1Fl+qiP/vYezj+S8x+J3Uo0ISrx/QoEvIlOaDWJhPaRd1flJ9HXZqg==",
+          "dev": true,
+          "requires": {
+            "graceful-fs": "^4.1.2",
+            "pify": "^2.0.0",
+            "pinkie-promise": "^2.0.0"
+          }
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+        "read-pkg": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-1.1.0.tgz",
+          "integrity": "sha512-7BGwRHqt4s/uVbuyoeejRn4YmFnYZiFl4AuaeXHlgZf3sONF0SOGlxs2Pw8g6hCKupo08RafIO5YXFNOKTfwsQ==",
+          "dev": true,
+          "requires": {
+            "load-json-file": "^1.0.0",
+            "normalize-package-data": "^2.3.2",
+            "path-type": "^1.0.0"
+          }
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+        "read-pkg-up": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-1.0.1.tgz",
+          "integrity": "sha512-WD9MTlNtI55IwYUS27iHh9tK3YoIVhxis8yKhLpTqWtml739uXc9NWTpxoHkfZf3+DkCCsXox94/VWZniuZm6A==",
+          "dev": true,
+          "requires": {
+            "find-up": "^1.0.0",
+            "read-pkg": "^1.0.0"
+          }
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+        "string-width": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
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+          "dev": true,
+          "requires": {
+            "code-point-at": "^1.0.0",
+            "is-fullwidth-code-point": "^1.0.0",
+            "strip-ansi": "^3.0.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
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+          "dev": true,
+          "requires": {
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+          }
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+        "strip-bom": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-2.0.0.tgz",
+          "integrity": "sha512-kwrX1y7czp1E69n2ajbG65mIo9dqvJ+8aBQXOGVxqwvNbsXdFM6Lq37dLAY3mknUwru8CfcCbfOLL/gMo+fi3g==",
+          "dev": true,
+          "requires": {
+            "is-utf8": "^0.2.0"
+          }
+        }
+      }
+    },
+    "yargs-parser": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-5.0.1.tgz",
+      "integrity": "sha512-wpav5XYiddjXxirPoCTUPbqM0PXvJ9hiBMvuJgInvo4/lAOTZzUprArw17q2O1P2+GHhbBr18/iQwjL5Z9BqfA==",
+      "dev": true,
+      "requires": {
+        "camelcase": "^3.0.0",
+        "object.assign": "^4.1.0"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index fcf7b1f..c73377d 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
   },
   "homepage": "https://github.com/fishcg/node-web#readme",
   "devDependencies": {
-    "gulp": "^3.9.1",
+    "gulp": "^4.0.2",
     "gulp-rename": "^1.3.0",
     "gulp-rev": "^8.1.1",
     "gulp-uglify": "^3.0.0",