diff --git a/package-lock.json b/package-lock.json
old mode 100755
new mode 100644
index 76ce97f..2981d02
--- a/package-lock.json
+++ b/package-lock.json
@@ -2093,17 +2093,6 @@
         "postcss-value-parser": "^4.0.2"
       },
       "dependencies": {
-        "browserslist": {
-          "version": "4.7.0",
-          "resolved": "https://registry.npm.taobao.org/browserslist/download/browserslist-4.7.0.tgz",
-          "integrity": "sha1-nuiSJf/AfbA0CfL+5STcgidFihc=",
-          "dev": true,
-          "requires": {
-            "caniuse-lite": "^1.0.30000989",
-            "electron-to-chromium": "^1.3.247",
-            "node-releases": "^1.1.29"
-          }
-        },
         "caniuse-lite": {
           "version": "1.0.30000999",
           "resolved": "https://registry.npm.taobao.org/caniuse-lite/download/caniuse-lite-1.0.30000999.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fcaniuse-lite%2Fdownload%2Fcaniuse-lite-1.0.30000999.tgz",
@@ -2113,14 +2102,12 @@
         "electron-to-chromium": {
           "version": "1.3.280",
           "resolved": "https://registry.npm.taobao.org/electron-to-chromium/download/electron-to-chromium-1.3.280.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Felectron-to-chromium%2Fdownload%2Felectron-to-chromium-1.3.280.tgz",
-          "integrity": "sha1-X4lQyDKePhG1nHBf1ZtLjZs95bk=",
-          "dev": true
+          "integrity": "sha1-X4lQyDKePhG1nHBf1ZtLjZs95bk="
         },
         "node-releases": {
           "version": "1.1.35",
           "resolved": "https://registry.npm.taobao.org/node-releases/download/node-releases-1.1.35.tgz?cache=0&sync_timestamp=1570538675820&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fnode-releases%2Fdownload%2Fnode-releases-1.1.35.tgz",
           "integrity": "sha1-MqdKPNSXqnfyPVCfSDR1/RYOTEg=",
-          "dev": true,
           "requires": {
             "semver": "^6.3.0"
           }
@@ -2134,8 +2121,7 @@
         "semver": {
           "version": "6.3.0",
           "resolved": "https://registry.npm.taobao.org/semver/download/semver-6.3.0.tgz?cache=0&sync_timestamp=1565627367398&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fsemver%2Fdownload%2Fsemver-6.3.0.tgz",
-          "integrity": "sha1-7gpkyK9ejO6mdoexM3YeG+y9HT0=",
-          "dev": true
+          "integrity": "sha1-7gpkyK9ejO6mdoexM3YeG+y9HT0="
         }
       }
     },
@@ -2612,14 +2598,36 @@
       }
     },
     "browserslist": {
-      "version": "4.6.6",
-      "resolved": "https://registry.npm.taobao.org/browserslist/download/browserslist-4.6.6.tgz",
-      "integrity": "sha1-bkv0Z83lILydvfN0fa+gNTHOxFM=",
+      "version": "4.16.6",
+      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.16.6.tgz",
+      "integrity": "sha512-Wspk/PqO+4W9qp5iUTJsa1B/QrYn1keNCcEP5OvP7WBwT4KaDly0uONYmC6Xa3Z5IqnUgS0KcgLYu1l74x0ZXQ==",
       "dev": true,
       "requires": {
-        "caniuse-lite": "^1.0.30000984",
-        "electron-to-chromium": "^1.3.191",
-        "node-releases": "^1.1.25"
+        "caniuse-lite": "^1.0.30001219",
+        "colorette": "^1.2.2",
+        "electron-to-chromium": "^1.3.723",
+        "escalade": "^3.1.1",
+        "node-releases": "^1.1.71"
+      },
+      "dependencies": {
+        "caniuse-lite": {
+          "version": "1.0.30001228",
+          "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001228.tgz",
+          "integrity": "sha512-QQmLOGJ3DEgokHbMSA8cj2a+geXqmnpyOFT0lhQV6P3/YOJvGDEwoedcwxEQ30gJIwIIunHIicunJ2rzK5gB2A==",
+          "dev": true
+        },
+        "electron-to-chromium": {
+          "version": "1.3.738",
+          "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.738.tgz",
+          "integrity": "sha512-vCMf4gDOpEylPSLPLSwAEsz+R3ShP02Y3cAKMZvTqule3XcPp7tgc/0ESI7IS6ZeyBlGClE50N53fIOkcIVnpw==",
+          "dev": true
+        },
+        "node-releases": {
+          "version": "1.1.72",
+          "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.1.72.tgz",
+          "integrity": "sha512-LLUo+PpH3dU6XizX3iVoubUNheF/owjXCZZ5yACDxNnPtgFuludV1ZL3ayK1kVep42Rmm0+R9/Y60NQbZ2bifw==",
+          "dev": true
+        }
       }
     },
     "buffer": {
@@ -3105,6 +3113,12 @@
         "simple-swizzle": "^0.2.2"
       }
     },
+    "colorette": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/colorette/-/colorette-1.2.2.tgz",
+      "integrity": "sha512-MKGMzyfeuutC/ZJ1cba9NqcNpfeqMUcYmyF1ZFY6/Cn7CNSAKx6a+s48sqLqyAiZuaP2TcqMhoo+dlwFnVxT9w==",
+      "dev": true
+    },
     "combined-stream": {
       "version": "1.0.8",
       "resolved": "https://registry.npm.taobao.org/combined-stream/download/combined-stream-1.0.8.tgz",
@@ -4323,12 +4337,6 @@
       "integrity": "sha1-W1q1f3GLedSsqSVEV6/s02+oAig=",
       "dev": true
     },
-    "electron-to-chromium": {
-      "version": "1.3.244",
-      "resolved": "https://registry.npm.taobao.org/electron-to-chromium/download/electron-to-chromium-1.3.244.tgz",
-      "integrity": "sha1-e6VGH6MgqxZUCjGx0N77fsKbFuQ=",
-      "dev": true
-    },
     "element-ui": {
       "version": "2.12.0",
       "resolved": "https://registry.npmjs.org/element-ui/-/element-ui-2.12.0.tgz",
@@ -4453,6 +4461,12 @@
         "is-symbol": "^1.0.2"
       }
     },
+    "escalade": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.1.1.tgz",
+      "integrity": "sha512-k0er2gUkLf8O0zKJiAhmkTnJlTvINGv7ygDNPbeIsX/TJjGJZHuh9B2UxbsaEkmlEo9MfhrSzmhIlhRlI2GXnw==",
+      "dev": true
+    },
     "escape-html": {
       "version": "1.0.3",
       "resolved": "https://registry.npm.taobao.org/escape-html/download/escape-html-1.0.3.tgz",
@@ -7964,15 +7978,6 @@
         }
       }
     },
-    "node-releases": {
-      "version": "1.1.28",
-      "resolved": "https://registry.npm.taobao.org/node-releases/download/node-releases-1.1.28.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fnode-releases%2Fdownload%2Fnode-releases-1.1.28.tgz",
-      "integrity": "sha1-UDw8cNDkcyuE56qikl+93hBILUo=",
-      "dev": true,
-      "requires": {
-        "semver": "^5.3.0"
-      }
-    },
     "normalize-package-data": {
       "version": "2.5.0",
       "resolved": "https://registry.npm.taobao.org/normalize-package-data/download/normalize-package-data-2.5.0.tgz",