diff --git a/cucyuqing/cmd/es-sync.py b/cucyuqing/cmd/es-sync.py
index 660f6a4..59e3f28 100644
--- a/cucyuqing/cmd/es-sync.py
+++ b/cucyuqing/cmd/es-sync.py
@@ -66,6 +66,8 @@ async def fetch(interval: ESInterval, size=1000) -> AsyncIterable[dict]:
         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"])}'
     )
     for d in docs:
+        d['title'] = d['title'].replace('\x00', '')
+        d['content'] = d['content'].replace('\x00', '')
         yield d
     # 如果当前时间度的数据量 = size 说明还有数据，继续请求
     # 这里使用递归