diff --git a/src/views/Chat/CharacterBanner.vue b/src/views/Chat/CharacterBanner.vue
index 31de47e..5be3568 100644
--- a/src/views/Chat/CharacterBanner.vue
+++ b/src/views/Chat/CharacterBanner.vue
@@ -315,7 +315,7 @@ export default {
         imageUrl: '',
         characterId: null,
         bannerId: null,
-        lang: null
+        lang: 'ko'
       },
       languageOptions: [
         { text: '한국어', value: 'ko' },
@@ -412,7 +412,7 @@ export default {
         imageUrl: '',
         characterId: null,
         bannerId: null,
-        lang: null
+        lang: 'ko'
       };
       this.previewImage = null;
       this.searchKeyword = '';
@@ -451,7 +451,7 @@ export default {
         imageUrl: '',
         characterId: null,
         bannerId: null,
-        lang: null
+        lang: 'ko'
       };
       this.previewImage = null;
       this.searchKeyword = '';