升级core-js

Author: jack

package-lock.json

@@ -14,7 +14,7 @@
  "wc": "vue-cli-service build --target wc --name ng-bi './src/components/*.vue'"
  },
  "dependencies": {
- "core-js": "^3.6.4",
+ "core-js": "^3.20.3",
  "element-ui": "^2.4.5",
  "vue": "^2.6.14",
  "vue-router": "^3.2.0"