diff --git a/hwe/ts/components/GameInfo.vue b/hwe/ts/components/GameInfo.vue
index b9c8424d..39db0aa3 100644
--- a/hwe/ts/components/GameInfo.vue
+++ b/hwe/ts/components/GameInfo.vue
@@ -26,7 +26,7 @@
       현재: {{ globalInfo.year }}年 {{ globalInfo.month }}月 ({{ globalInfo.turnterm }}분 턴 서버)
     </div>
     <div class="s-border-t col py-2 col-4 col-md-2 subOnlineUserCnt">
-      전체 접속자 수: {{ globalInfo.onlineUserCnt.toLocaleString() }}명
+      전체 접속자 수: {{ (globalInfo.onlineUserCnt ?? 0).toLocaleString() }}명
     </div>
     <div class="s-border-t col py-2 col-4 col-md-2 subAPILimit">
       턴당 갱신횟수: {{ globalInfo.apiLimit.toLocaleString() }}회
@@ -110,7 +110,7 @@ const tournamentStep = ref<TournamentStepType>({
 });
 const tournamentTime = ref<Date>(new Date());
 
-function updateFrontInfo(frontInfo: GetFrontInfoResponse){
+function updateFrontInfo(frontInfo: GetFrontInfoResponse) {
   const global = frontInfo.global;
   globalInfo.value = global;
 
@@ -133,8 +133,7 @@ function updateFrontInfo(frontInfo: GetFrontInfoResponse){
   tournamentTime.value = parseTime(global.tournamentTime);
 }
 
-watch(frontInfo, updateFrontInfo, {immediate: true});
-
+watch(frontInfo, updateFrontInfo, { immediate: true });
 </script>
 
 <style lang="scss" scoped>
@@ -151,5 +150,4 @@ watch(frontInfo, updateFrontInfo, {immediate: true});
     text-decoration: gray underline;
   }
 }
-
 </style>
diff --git a/hwe/ts/defs/API/Global.ts b/hwe/ts/defs/API/Global.ts
index 4353b11d..dd130c2d 100644
--- a/hwe/ts/defs/API/Global.ts
+++ b/hwe/ts/defs/API/Global.ts
@@ -122,8 +122,8 @@ export type GetFrontInfoResponse = {
     lastVoteID: number;
     develCost: number;
     noticeMsg: number;
-    onlineNations: string; //TODO: string[]으로 변경
-    onlineUserCnt: number;
+    onlineNations: string | null; //TODO: string[]으로 변경
+    onlineUserCnt: number | null;
     apiLimit: number;
     auctionCount: number;
     isTournamentActive: boolean;