diff --git a/backstagesystem/package-lock.json b/backstagesystem/package-lock.json
index 25e7dd1..cbfc0c2 100644
--- a/backstagesystem/package-lock.json
+++ b/backstagesystem/package-lock.json
@@ -2153,14 +2153,36 @@
       }
     },
     "browserslist": {
-      "version": "4.6.2",
-      "resolved": "https://registry.npm.taobao.org/browserslist/download/browserslist-4.6.2.tgz",
-      "integrity": "sha1-V0xmWVCRXCrHOkWUuFN6nromID8=",
+      "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": "^1.0.30000974",
-        "electron-to-chromium": "^1.3.150",
-        "node-releases": "^1.1.23"
+        "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": "1.0.30001230",
+          "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001230.tgz",
+          "integrity": "sha512-5yBd5nWCBS+jWKTcHOzXwo5xzcj4ePE/yjtkZyUV1BTUmrBaA9MRGC+e7mxnqXSA90CmCA8L3eKLaSUkt099IQ==",
+          "dev": true
+        },
+        "electron-to-chromium": {
+          "version": "1.3.739",
+          "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.739.tgz",
+          "integrity": "sha512-+LPJVRsN7hGZ9EIUUiWCpO7l4E3qBYHNadazlucBfsXBbccDFNKUBAgzE68FnkWGJPwD/AfKhSzL+G+Iqb8A4A==",
+          "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": {
@@ -2583,6 +2605,12 @@
         "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",
@@ -3625,12 +3653,6 @@
       "integrity": "sha1-SY7A1JVlWrxvI81hho2SZGQHGqA=",
       "dev": true
     },
-    "electron-to-chromium": {
-      "version": "1.3.157",
-      "resolved": "https://registry.npm.taobao.org/electron-to-chromium/download/electron-to-chromium-1.3.157.tgz",
-      "integrity": "sha1-YhHWnoxO4Y34yE506GRLyvwJSGw=",
-      "dev": true
-    },
     "elliptic": {
       "version": "6.4.1",
       "resolved": "http://registry.npm.taobao.org/elliptic/download/elliptic-6.4.1.tgz",
@@ -3742,6 +3764,12 @@
         "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": "http://registry.npm.taobao.org/escape-html/download/escape-html-1.0.3.tgz",
@@ -6649,15 +6677,6 @@
         }
       }
     },
-    "node-releases": {
-      "version": "1.1.23",
-      "resolved": "https://registry.npm.taobao.org/node-releases/download/node-releases-1.1.23.tgz",
-      "integrity": "sha1-3nQJ9y3gRKL6WcCX9Da6icOZl/A=",
-      "dev": true,
-      "requires": {
-        "semver": "^5.3.0"
-      }
-    },
     "normalize-package-data": {
       "version": "2.5.0",
       "resolved": "http://registry.npm.taobao.org/normalize-package-data/download/normalize-package-data-2.5.0.tgz",