diff --git a/package-lock.json b/package-lock.json
index 7adb16b..5805ed5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "vue-awesome-drag",
-  "version": "1.0.0",
+  "version": "1.0.2",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -633,12 +633,6 @@
       "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=",
       "dev": true
     },
-    "ansi-colors": {
-      "version": "3.2.4",
-      "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-3.2.4.tgz",
-      "integrity": "sha512-hHUXGagefjN2iRrID63xckIvotOXOojhQKWIPUZ4mNUZ9nLZW+7FMNoE1lOkEhNWYsx/7ysGIuJYCiMAA9FnrA==",
-      "dev": true
-    },
     "ansi-escapes": {
       "version": "4.3.1",
       "resolved": "https://registry.npm.taobao.org/ansi-escapes/download/ansi-escapes-4.3.1.tgz",
@@ -747,12 +741,6 @@
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       "dev": true
     },
-    "array-uniq": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/array-uniq/-/array-uniq-1.0.3.tgz",
-      "integrity": "sha1-r2rId6Jcx/dOBYiUdThY39sk/bY=",
-      "dev": true
-    },
     "array-unique": {
       "version": "0.3.2",
       "resolved": "https://registry.npm.taobao.org/array-unique/download/array-unique-0.3.2.tgz",
@@ -1812,81 +1800,6 @@
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       "dev": true
     },
-    "copy-webpack-plugin": {
-      "version": "5.1.1",
-      "resolved": "https://registry.npmjs.org/copy-webpack-plugin/-/copy-webpack-plugin-5.1.1.tgz",
-      "integrity": "sha512-P15M5ZC8dyCjQHWwd4Ia/dm0SgVvZJMYeykVIVYXbGyqO4dWB5oyPHp9i7wjwo5LhtlhKbiBCdS2NvM07Wlybg==",
-      "dev": true,
-      "requires": {
-        "cacache": "^12.0.3",
-        "find-cache-dir": "^2.1.0",
-        "glob-parent": "^3.1.0",
-        "globby": "^7.1.1",
-        "is-glob": "^4.0.1",
-        "loader-utils": "^1.2.3",
-        "minimatch": "^3.0.4",
-        "normalize-path": "^3.0.0",
-        "p-limit": "^2.2.1",
-        "schema-utils": "^1.0.0",
-        "serialize-javascript": "^2.1.2",
-        "webpack-log": "^2.0.0"
-      },
-      "dependencies": {
-        "array-union": {
-          "version": "1.0.2",
-          "resolved": "https://registry.npmjs.org/array-union/-/array-union-1.0.2.tgz",
-          "integrity": "sha1-mjRBDk9OPaI96jdb5b5w8kd47Dk=",
-          "dev": true,
-          "requires": {
-            "array-uniq": "^1.0.1"
-          }
-        },
-        "dir-glob": {
-          "version": "2.2.2",
-          "resolved": "https://registry.npmjs.org/dir-glob/-/dir-glob-2.2.2.tgz",
-          "integrity": "sha512-f9LBi5QWzIW3I6e//uxZoLBlUt9kcp66qo0sSCxL6YZKc75R1c4MFCoe/LaZiBGmgujvQdxc5Bn3QhfyvK5Hsw==",
-          "dev": true,
-          "requires": {
-            "path-type": "^3.0.0"
-          }
-        },
-        "globby": {
-          "version": "7.1.1",
-          "resolved": "https://registry.npmjs.org/globby/-/globby-7.1.1.tgz",
-          "integrity": "sha1-+yzP+UAfhgCUXfral0QMypcrhoA=",
-          "dev": true,
-          "requires": {
-            "array-union": "^1.0.1",
-            "dir-glob": "^2.0.0",
-            "glob": "^7.1.2",
-            "ignore": "^3.3.5",
-            "pify": "^3.0.0",
-            "slash": "^1.0.0"
-          }
-        },
-        "ignore": {
-          "version": "3.3.10",
-          "resolved": "https://registry.npmjs.org/ignore/-/ignore-3.3.10.tgz",
-          "integrity": "sha512-Pgs951kaMm5GXP7MOvxERINe3gsaVjUWFm+UZPSq9xYriQAksyhg0csnS0KXSNRD5NmNdapXEpjxG49+AKh/ug==",
-          "dev": true
-        },
-        "path-type": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/path-type/-/path-type-3.0.0.tgz",
-          "integrity": "sha512-T2ZUsdZFHgA3u4e5PfPbjd7HDDpxPnQb5jN0SrDsjNSuVXHJqtwTnWqG0B1jZrgmJ/7lj1EmVIByWt1gxGkWvg==",
-          "dev": true,
-          "requires": {
-            "pify": "^3.0.0"
-          }
-        },
-        "pify": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
-          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=",
-          "dev": true
-        }
-      }
-    },
     "core-js": {
       "version": "2.6.11",
       "resolved": "https://registry.npm.taobao.org/core-js/download/core-js-2.6.11.tgz?cache=0&sync_timestamp=1578957006406&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fcore-js%2Fdownload%2Fcore-js-2.6.11.tgz",
@@ -7957,9 +7870,9 @@
       }
     },
     "terser": {
-      "version": "4.6.10",
-      "resolved": "https://registry.npm.taobao.org/terser/download/terser-4.6.10.tgz?cache=0&sync_timestamp=1585665783882&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fterser%2Fdownload%2Fterser-4.6.10.tgz",
-      "integrity": "sha1-kPW9Bp/0Vt28lQOxjlL5xJPTt8I=",
+      "version": "4.8.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.1.tgz",
+      "integrity": "sha512-4GnLC0x667eJG0ewJTa6z/yXrbLGv80D9Ru6HIpCQmO+Q4PfEtBFi0ObSckqwL6VyQv/7ENJieXHo2ANmdQwgw==",
       "dev": true,
       "requires": {
         "commander": "^2.20.0",
@@ -7969,8 +7882,8 @@
       "dependencies": {
         "source-map": {
           "version": "0.6.1",
-          "resolved": "https://registry.npm.taobao.org/source-map/download/source-map-0.6.1.tgz?cache=0&sync_timestamp=1571657176668&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fsource-map%2Fdownload%2Fsource-map-0.6.1.tgz",
-          "integrity": "sha1-dHIq8y6WFOnCh6jQu95IteLxomM=",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
           "dev": true
         }
       }
@@ -8703,16 +8616,6 @@
         }
       }
     },
-    "webpack-log": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/webpack-log/-/webpack-log-2.0.0.tgz",
-      "integrity": "sha512-cX8G2vR/85UYG59FgkoMamwHUIkSSlV3bBMRsbxVXVUk2j6NleCKjQ/WE9eYg9WY4w25O9w8wKP4rzNZFmUcUg==",
-      "dev": true,
-      "requires": {
-        "ansi-colors": "^3.0.0",
-        "uuid": "^3.3.2"
-      }
-    },
     "webpack-sources": {
       "version": "1.4.3",
       "resolved": "https://registry.npm.taobao.org/webpack-sources/download/webpack-sources-1.4.3.tgz",