diff --git a/mysql-async.js b/mysql-async.js
diff --git a/src/package.json b/src/package.json
@@ -12,31 +12,31 @@
   ],
   "license": "MIT",
   "dependencies": {
-    "chart.js": "^2.8.0",
+    "chart.js": "^2.9.3",
     "material-design-icons-iconfont": "^5.0.1",
-    "mysql": "^2.15.0",
+    "mysql": "^2.17.1",
     "vue": "^2.6.10",
     "vuetify": "^1.5.14"
   },
   "devDependencies": {
     "@intervolga/optimize-cssnano-plugin": "^1.0.6",
-    "@vue/cli-plugin-eslint": "^3.8.0",
-    "@vue/cli-service": "^3.8.4",
-    "@vue/eslint-config-airbnb": "^4.0.0",
-    "babel-eslint": "^10.0.2",
-    "css-loader": "^3.0.0",
-    "eslint": "^5.16.0",
-    "eslint-plugin-vue": "^5.2.2",
-    "file-loader": "^4.0.0",
+    "@vue/cli-plugin-eslint": "^4.1.1",
+    "@vue/cli-service": "^4.1.1",
+    "@vue/eslint-config-airbnb": "^5.0.0",
+    "babel-eslint": "^10.0.3",
+    "css-loader": "^3.2.1",
+    "eslint": "^6.7.2",
+    "eslint-plugin-vue": "^6.0.1",
+    "file-loader": "^5.0.2",
     "html-webpack-plugin": "^3.2.0",
-    "mini-css-extract-plugin": "^0.7.0",
-    "stylus": "^0.54.5",
+    "mini-css-extract-plugin": "^0.8.0",
+    "stylus": "^0.54.7",
     "stylus-loader": "^3.0.2",
-    "vue-loader": "^15.7.0",
+    "vue-loader": "^15.7.2",
     "vue-style-loader": "^4.1.2",
     "vue-template-compiler": "^2.6.10",
     "vuetify-loader": "^1.2.2",
-    "webpack": "^4.34.0",
-    "webpack-cli": "^3.3.4"
+    "webpack": "^4.41.2",
+    "webpack-cli": "^3.3.10"
   }
 }
diff --git a/src/ui/Nui.vue b/src/ui/Nui.vue
@@ -190,9 +190,7 @@ export default {
   mounted() {
     this.listener = window.addEventListener('message', (event) => {
       const item = event.data || event.detail;
-      if (item.type) {
-        if (this[item.type]) this[item.type](item);
-      }
+      if (item && this[item.type]) this[item.type](item);
     });
   },
   name: 'app',

diff --git a/ui/app.js b/ui/app.js