diff --git a/apps/api/src/api/v1/gitea_webhook.py b/apps/api/src/api/v1/gitea_webhook.py
index b1f15270..d19c23ff 100644
--- a/apps/api/src/api/v1/gitea_webhook.py
+++ b/apps/api/src/api/v1/gitea_webhook.py
@@ -418,7 +418,9 @@ async def _send_gitea_notification(
             logger.debug("gitea_tg_skipped", reason="Bot token not configured")
             return
 
-        from src.services.telegram_gateway import get_telegram_gateway  # type: ignore[import]
+        from src.services.telegram_gateway import (
+            get_telegram_gateway,  # type: ignore[import]
+        )
         gateway = get_telegram_gateway()
         await gateway.initialize()
         await gateway.send_alert_notification(message)
@@ -502,15 +504,22 @@ async def handle_pull_request(
     review_id = f"gitea-pr-{payload.repository.id}-{pr.number}-{uuid.uuid4().hex[:8]}"
 
     # 背景執行審查 (委派給 Service)
-    service = get_gitea_webhook_service()
-    background_tasks.add_task(
-        service.review_pull_request,
-        repo=payload.repository,
-        pr=pr,
-        sender=payload.sender,
-        review_id=review_id,
-        action=payload.action,
-    )
+    if settings.MOCK_MODE:
+        logger.info(
+            "gitea_pr_review_background_skipped_mock_mode",
+            review_id=review_id,
+            repo=payload.repository.full_name,
+        )
+    else:
+        service = get_gitea_webhook_service()
+        background_tasks.add_task(
+            service.review_pull_request,
+            repo=payload.repository,
+            pr=pr,
+            sender=payload.sender,
+            review_id=review_id,
+            action=payload.action,
+        )
 
     logger.info(
         "gitea_pr_review_scheduled",
@@ -561,17 +570,24 @@ async def handle_push(
     review_id = f"gitea-push-{payload.repository.id}-{payload.after[:8]}-{uuid.uuid4().hex[:8]}"
 
     # 背景執行審查 (委派給 Service)
-    service = get_gitea_webhook_service()
-    background_tasks.add_task(
-        service.review_push,
-        repo=payload.repository,
-        commits=commits,
-        sender=payload.sender,
-        review_id=review_id,
-        ref=ref,
-        before_sha=payload.before,
-        after_sha=payload.after,
-    )
+    if settings.MOCK_MODE:
+        logger.info(
+            "gitea_push_review_background_skipped_mock_mode",
+            review_id=review_id,
+            repo=payload.repository.full_name,
+        )
+    else:
+        service = get_gitea_webhook_service()
+        background_tasks.add_task(
+            service.review_push,
+            repo=payload.repository,
+            commits=commits,
+            sender=payload.sender,
+            review_id=review_id,
+            ref=ref,
+            before_sha=payload.before,
+            after_sha=payload.after,
+        )
 
     logger.info(
         "gitea_push_review_scheduled",