diff --git a/demo-vue/package-lock.json b/demo-vue/package-lock.json
index 8268c7c..67e12aa 100644
--- a/demo-vue/package-lock.json
+++ b/demo-vue/package-lock.json
@@ -1,8 +1,7 @@
 {
   "name": "demo-vue",
-  "version": "1.0.0",
-  "lockfileVersion": 1,
   "requires": true,
+  "lockfileVersion": 1,
   "dependencies": {
     "@angular-devkit/core": {
       "version": "10.0.8",
@@ -4977,7 +4976,6 @@
             "semver": "^7.3.0",
             "shelljs": "~0.8.4",
             "tapable": "~1.1.3",
-            "terser": "~5.0.0",
             "terser-webpack-plugin": "~3.0.6",
             "ts-loader": "^8.0.2",
             "webpack": "~4.44.1",
@@ -9578,16 +9576,6 @@
             "yallist": "^4.0.0"
           }
         },
-        "terser": {
-          "version": "5.0.0",
-          "resolved": "https://registry.npmjs.org/terser/-/terser-5.0.0.tgz",
-          "integrity": "sha512-olH2DwGINoSuEpSGd+BsPuAQaA3OrHnHnFL/rDB2TVNc3srUbz/rq/j2BlF4zDXI+JqAvGr86bIm1R2cJgZ3FA==",
-          "requires": {
-            "commander": "^2.20.0",
-            "source-map": "~0.6.1",
-            "source-map-support": "~0.5.12"
-          }
-        },
         "terser-webpack-plugin": {
           "version": "3.0.8",
           "resolved": "https://registry.npmjs.org/terser-webpack-plugin/-/terser-webpack-plugin-3.0.8.tgz",
@@ -9600,20 +9588,7 @@
             "schema-utils": "^2.6.6",
             "serialize-javascript": "^4.0.0",
             "source-map": "^0.6.1",
-            "terser": "^4.8.0",
             "webpack-sources": "^1.4.3"
-          },
-          "dependencies": {
-            "terser": {
-              "version": "4.8.0",
-              "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.0.tgz",
-              "integrity": "sha512-EAPipTNeWsb/3wLPeup1tVPaXfIaU68xMnVdPafIL1TV05OhASArYyIfFvnvJCNrR2NIOvDVNNTFRa+Re2MWyw==",
-              "requires": {
-                "commander": "^2.20.0",
-                "source-map": "~0.6.1",
-                "source-map-support": "~0.5.12"
-              }
-            }
           }
         },
         "through2": {
@@ -10572,16 +10547,6 @@
                 "figgy-pudding": "^3.5.1"
               }
             },
-            "terser": {
-              "version": "4.8.0",
-              "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.0.tgz",
-              "integrity": "sha512-EAPipTNeWsb/3wLPeup1tVPaXfIaU68xMnVdPafIL1TV05OhASArYyIfFvnvJCNrR2NIOvDVNNTFRa+Re2MWyw==",
-              "requires": {
-                "commander": "^2.20.0",
-                "source-map": "~0.6.1",
-                "source-map-support": "~0.5.12"
-              }
-            },
             "terser-webpack-plugin": {
               "version": "1.4.5",
               "resolved": "https://registry.npmjs.org/terser-webpack-plugin/-/terser-webpack-plugin-1.4.5.tgz",
@@ -10593,7 +10558,6 @@
                 "schema-utils": "^1.0.0",
                 "serialize-javascript": "^4.0.0",
                 "source-map": "^0.6.1",
-                "terser": "^4.1.2",
                 "webpack-sources": "^1.4.0",
                 "worker-farm": "^1.7.0"
               }
@@ -12767,9 +12731,9 @@
       },
       "dependencies": {
         "terser": {
-          "version": "4.8.0",
-          "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.0.tgz",
-          "integrity": "sha512-EAPipTNeWsb/3wLPeup1tVPaXfIaU68xMnVdPafIL1TV05OhASArYyIfFvnvJCNrR2NIOvDVNNTFRa+Re2MWyw==",
+          "version": "4.8.1",
+          "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.1.tgz",
+          "integrity": "sha512-4GnLC0x667eJG0ewJTa6z/yXrbLGv80D9Ru6HIpCQmO+Q4PfEtBFi0ObSckqwL6VyQv/7ENJieXHo2ANmdQwgw==",
           "requires": {
             "commander": "^2.20.0",
             "source-map": "~0.6.1",
@@ -13737,9 +13701,9 @@
           }
         },
         "terser": {
-          "version": "4.8.0",
-          "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.0.tgz",
-          "integrity": "sha512-EAPipTNeWsb/3wLPeup1tVPaXfIaU68xMnVdPafIL1TV05OhASArYyIfFvnvJCNrR2NIOvDVNNTFRa+Re2MWyw==",
+          "version": "4.8.1",
+          "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.1.tgz",
+          "integrity": "sha512-4GnLC0x667eJG0ewJTa6z/yXrbLGv80D9Ru6HIpCQmO+Q4PfEtBFi0ObSckqwL6VyQv/7ENJieXHo2ANmdQwgw==",
           "requires": {
             "commander": "^2.20.0",
             "source-map": "~0.6.1",