diff --git a/nftbapp/frontend-nftbapp/public/index.html b/nftbapp/frontend-nftbapp/public/index.html
index db1fc72..fe2e950 100644
--- a/nftbapp/frontend-nftbapp/public/index.html
+++ b/nftbapp/frontend-nftbapp/public/index.html
@@ -7,7 +7,7 @@
     <link rel="icon" href="<%= BASE_URL %>favicon.ico">
     <link href='https://fonts.googleapis.com/css?family=Roboto:300,400,500,700|Material+Icons' rel="stylesheet">
     <link href="https://fonts.googleapis.com/css?family=Open+Sans" rel="stylesheet">
-    <title>frontend-nftdapp</title>
+    <title>frontend-nftbapp</title>
     <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:100,300,400,500,700,900">
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@mdi/font@latest/css/materialdesignicons.min.css">
   </head>
diff --git a/numbergame/public/index.html b/numbergame/public/index.html
index bf8ade1..0662385 100644
--- a/numbergame/public/index.html
+++ b/numbergame/public/index.html
@@ -5,7 +5,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width,initial-scale=1.0">
     <link rel="icon" href="<%= BASE_URL %>favicon.ico">
-    <title>bet-dapp</title>
+    <title>numbergame-bapp</title>
   </head>
   <body>
     <noscript>
diff --git a/numbergame/src/components/wallet.vue b/numbergame/src/components/wallet.vue
index 0ef8d33..cfb0749 100644
--- a/numbergame/src/components/wallet.vue
+++ b/numbergame/src/components/wallet.vue
@@ -66,10 +66,6 @@ export default {
       'setBalance'
     ]),
 
-    validate () {
-      
-    },    
-
     handleImport (e) {
       const keystore = e.target.files[0]
       
@@ -131,7 +127,7 @@ export default {
     },
 
     async handleRemoveWallet () {
-      this.klaytn.removeWallet()
+      await this.klaytn.removeWallet()
       this.setIsConnectWallet(false)
       this.walletInstance = null
     }
