diff --git a/eslint.config.js b/eslint.config.js
index dd582c2..e0d34c6 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -14,7 +14,7 @@ export default defineConfig([
       reactRefresh.configs.vite,
     ],
     languageOptions: {
-      ecmaVersion: 2020,
+      ecmaVersion: "latest",
       globals: globals.browser,
       parserOptions: {
         ecmaVersion: 'latest',
diff --git a/index.html b/index.html
index efbbb86..d8cfa5b 100644
--- a/index.html
+++ b/index.html
@@ -8,7 +8,7 @@
     window.dataLayer = window.dataLayer || [];
     function gtag(){dataLayer.push(arguments);}
     gtag('js', new Date());
-    gtag('config', 'G-T8GEX2GPTP');
+    gtag('config', 'G-T8GEX2GPTP', {"app_name": "pen"});
   </script>
 
   <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
diff --git a/package.json b/package.json
index e3276e3..3a2c3fc 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,7 @@
     "dev": "vite",
     "build": "vite build",
     "lint": "eslint .",
+    "format": "prettier --write .",
     "preview": "vite preview",
     "test": "vitest"
   },
diff --git a/src/ga.js b/src/ga.js
index 6509e01..453559a 100644
--- a/src/ga.js
+++ b/src/ga.js
@@ -4,7 +4,6 @@ import { reaction } from "mobx";
 export const gtagEvent = (action, params) => {
   if (window.gtag) {
     window.gtag("event", action, {
-      app_name: "pen",
       ...params,
     });
   } else {