diff --git a/cucyuqing/cmd/es-sync.py b/cucyuqing/cmd/es-sync.py
index f3b5a2a..b225e29 100644
--- a/cucyuqing/cmd/es-sync.py
+++ b/cucyuqing/cmd/es-sync.py
@@ -58,6 +58,9 @@ async def fetch(interval: ESInterval, size=1000) -> AsyncIterable[dict]:
         return
 
     docs = es_response["data"]["docs"]
+    if not docs:
+        print("未获取到数据")
+        return
     print(
         f'用时 {int(duration)} 秒，获取到 {len(docs)} 条数据，最早时间 {parse_unixtime(docs[0]["crawled_at"])}，最晚时间 {parse_unixtime(docs[-1]["crawled_at"])}'
     )