diff --git a/src/components/board/BoardProfile.vue b/src/components/board/BoardProfile.vue
index 796ab40..766bc31 100644
--- a/src/components/board/BoardProfile.vue
+++ b/src/components/board/BoardProfile.vue
@@ -61,7 +61,7 @@ const props = defineProps({
     },
     profileName: {
         type: String,
-        default: null,
+        default: '익명',
     },
     unknown: {
         type: Boolean,
diff --git a/src/views/board/BoardView.vue b/src/views/board/BoardView.vue
index e52e404..a0e0824 100644
--- a/src/views/board/BoardView.vue
+++ b/src/views/board/BoardView.vue
@@ -149,7 +149,7 @@ const comments = ref([]);
 const route = useRoute();
 const router = useRouter();
 const currentBoardId = ref(Number(route.params.id));
-const unknown = computed(() => profileName.value === null);
+const unknown = computed(() => profileName.value === '익명');
 const currentUserId = ref('김자바'); // 현재 로그인한 사용자 id
 const authorId = ref(null); // 작성자 id
 
@@ -190,7 +190,7 @@ const fetchBoardDetails = async () => {
         // API 응답 데이터 반영
         // const boardDetail = data.boardDetail || {};
         
-        profileName.value = data.author || null;
+        profileName.value = data.author || '익명';
         
         // 익명확인하고 싶을때
         // profileName.value = 'null;
@@ -277,7 +277,7 @@ const fetchComments = async (page  = 1) => {
             commentId: comment.LOCCMTSEQ, // 댓글 ID
             boardId: comment.LOCBRDSEQ,
             parentId: comment.LOCCMTPNT, // 부모 ID
-            author: comment.author || null,
+            author: comment.author || '익명',
             content: comment.LOCCMTRPY,
             likeCount: comment.likeCount || 0,
             dislikeCount: comment.dislikeCount || 0,