diff --git a/src/main/java/com/hlab/yanalyst/domain/upload/YoutubeOAuthService.java b/src/main/java/com/hlab/yanalyst/domain/upload/YoutubeOAuthService.java
index dd1bd99..cbede1d 100644
--- a/src/main/java/com/hlab/yanalyst/domain/upload/YoutubeOAuthService.java
+++ b/src/main/java/com/hlab/yanalyst/domain/upload/YoutubeOAuthService.java
@@ -183,7 +183,16 @@ public class YoutubeOAuthService {
         form.add("grant_type", "refresh_token");
         HttpHeaders headers = new HttpHeaders();
         headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
-        JsonNode token = readJson(restTemplate.postForObject(TOKEN_URL, new HttpEntity<>(form, headers), String.class));
+        String response;
+        try {
+            response = restTemplate.postForObject(TOKEN_URL, new HttpEntity<>(form, headers), String.class);
+        } catch (HttpStatusCodeException e) {
+            if (e.getStatusCode().value() == 400 || e.getStatusCode().value() == 401) {
+                throw new IllegalStateException("YouTube 채널 연결이 만료되었습니다. 채널을 다시 연결해 주세요.", e);
+            }
+            throw new IllegalStateException("YouTube 인증 정보를 갱신하지 못했습니다.", e);
+        }
+        JsonNode token = readJson(response);
         return requiredText(token, "access_token", "YouTube access token을 갱신하지 못했습니다.");
     }
 
diff --git a/src/main/resources/templates/my_channel.html b/src/main/resources/templates/my_channel.html
index daa22ae..4d632ec 100644
--- a/src/main/resources/templates/my_channel.html
+++ b/src/main/resources/templates/my_channel.html
@@ -45,6 +45,7 @@
                 <label>종료일 <input id="endDate" type="date"></label>
                 <button type="button" class="btn btn-secondary btn-small" onclick="loadReport()">적용</button>
             </div>
+            <button type="button" class="btn btn-secondary btn-small" onclick="connectYoutube()"><i data-lucide="link"></i> 채널 다시 연결</button>
             <button type="button" class="btn btn-secondary refresh-button" onclick="loadReport()"><i data-lucide="refresh-cw"></i> 새로고침</button>
         </section>