update

package.json

@@ -1,7 +1,6 @@
 {
   "name": "vxe-table",
   "version": "0.0.1-beta.1",
-  "private": true,
   "description": "A very powerful Vue table component.",
   "scripts": {
     "serve": "vue-cli-service serve",
@@ -19,15 +18,13 @@
   "unpkg": "lib/index.umd.js",
   "jsdelivr": "lib/index.umd.js",
   "typings": "types/index.d.ts",
-  "dependencies": {
-    "core-js": "^2.6.5"
-  },
   "devDependencies": {
     "@vue/cli-plugin-babel": "^3.6.0",
     "@vue/cli-plugin-eslint": "^3.6.0",
     "@vue/cli-service": "^3.6.0",
     "@vue/eslint-config-standard": "^4.0.0",
     "babel-eslint": "^10.0.1",
+    "core-js": "^2.6.5",
     "element-ui": "^2.8.2",
     "eslint": "^5.16.0",
     "eslint-plugin-vue": "^5.0.0",