diff --git a/package-lock.json b/package-lock.json
index 7824ac4..5437495 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -126,9 +126,9 @@
 			"integrity": "sha1-qYS0BccC+lp+xqvFazfyujXvWvY="
 		},
 		"acorn": {
-			"version": "6.3.0",
-			"resolved": "https://registry.npm.taobao.org/acorn/download/acorn-6.3.0.tgz",
-			"integrity": "sha1-AIdQkRn/pPwKAEHR6TpBfmjLhW4=",
+			"version": "7.4.1",
+			"resolved": "https://registry.npmjs.org/acorn/-/acorn-7.4.1.tgz",
+			"integrity": "sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==",
 			"dev": true
 		},
 		"acorn-jsx": {
@@ -2735,6 +2735,12 @@
 				"pkg-up": "^2.0.0"
 			},
 			"dependencies": {
+				"acorn": {
+					"version": "6.4.2",
+					"resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+					"integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==",
+					"dev": true
+				},
 				"espree": {
 					"version": "4.1.0",
 					"resolved": "https://registry.npm.taobao.org/espree/download/espree-4.1.0.tgz",
@@ -3136,14 +3142,6 @@
 				"acorn": "^7.0.0",
 				"acorn-jsx": "^5.0.2",
 				"eslint-visitor-keys": "^1.1.0"
-			},
-			"dependencies": {
-				"acorn": {
-					"version": "7.0.0",
-					"resolved": "https://registry.npm.taobao.org/acorn/download/acorn-7.0.0.tgz",
-					"integrity": "sha1-JrjRzZqbcANQtxwJBVRvZNEoTno=",
-					"dev": true
-				}
 			}
 		},
 		"esprima": {
@@ -3795,7 +3793,8 @@
 				"ansi-regex": {
 					"version": "2.1.1",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"aproba": {
 					"version": "1.2.0",
@@ -3816,12 +3815,14 @@
 				"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"
@@ -3836,17 +3837,20 @@
 				"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",
@@ -3963,7 +3967,8 @@
 				"inherits": {
 					"version": "2.0.3",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"ini": {
 					"version": "1.3.5",
@@ -3975,6 +3980,7 @@
 					"version": "1.0.0",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"number-is-nan": "^1.0.0"
 					}
@@ -3989,6 +3995,7 @@
 					"version": "3.0.4",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"brace-expansion": "^1.1.7"
 					}
@@ -3996,12 +4003,14 @@
 				"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"
@@ -4020,6 +4029,7 @@
 					"version": "0.5.1",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"minimist": "0.0.8"
 					}
@@ -4100,7 +4110,8 @@
 				"number-is-nan": {
 					"version": "1.0.1",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"object-assign": {
 					"version": "4.1.1",
@@ -4112,6 +4123,7 @@
 					"version": "1.4.0",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"wrappy": "1"
 					}
@@ -4197,7 +4209,8 @@
 				"safe-buffer": {
 					"version": "5.1.2",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"safer-buffer": {
 					"version": "2.1.2",
@@ -4233,6 +4246,7 @@
 					"version": "1.0.2",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"code-point-at": "^1.0.0",
 						"is-fullwidth-code-point": "^1.0.0",
@@ -4252,6 +4266,7 @@
 					"version": "3.0.1",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"ansi-regex": "^2.0.0"
 					}
@@ -4295,12 +4310,14 @@
 				"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
 				}
 			}
 		},
@@ -10238,6 +10255,12 @@
 				"xo-init": "^0.7.0"
 			},
 			"dependencies": {
+				"acorn": {
+					"version": "6.4.2",
+					"resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+					"integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==",
+					"dev": true
+				},
 				"ansi-align": {
 					"version": "2.0.0",
 					"resolved": "https://registry.npm.taobao.org/ansi-align/download/ansi-align-2.0.0.tgz",