diff --git a/src/Record/HlsMediaSource.cpp b/src/Record/HlsMediaSource.cpp
index 382e2779..c7cfe5db 100644
--- a/src/Record/HlsMediaSource.cpp
+++ b/src/Record/HlsMediaSource.cpp
@@ -87,7 +87,11 @@ void HlsMediaSource::setIndexFile(std::string index_file)
             strongSelf->onReaderChanged(size);
         };
         _ring = std::make_shared<RingType>(0, std::move(lam));
+    }
+    if (!_registered && !_clear_cache) {
+        //在清空缓存期间不进行注册，否则可能播放中的ts文件会被清空
         regist();
+        _registered = true;
     }
 
     //赋值m3u8索引文件内容
diff --git a/src/Record/HlsMediaSource.h b/src/Record/HlsMediaSource.h
index f9c4c56d..511be4cf 100644
--- a/src/Record/HlsMediaSource.h
+++ b/src/Record/HlsMediaSource.h
@@ -62,9 +62,16 @@ public:
         _ring->getInfoList(cb, on_change);
     }
 
+    /**
+     * 设置清空缓存的标志位
+     */
+    void setClearCache(bool clear_cache) { _clear_cache = clear_cache; };
+
 private:
     RingType::Ptr _ring;
     std::string _index_file;
+    bool _clear_cache = false;
+    bool _registered = false;
     mutable std::mutex _mtx_index;
     toolkit::List<std::function<void(const std::string &)>> _list_cb;
 };
diff --git a/src/Record/HlsRecorder.h b/src/Record/HlsRecorder.h
index f6e84bfb..d43b8520 100644
--- a/src/Record/HlsRecorder.h
+++ b/src/Record/HlsRecorder.h
@@ -49,6 +49,7 @@ public:
         _enabled = _option.hls_demand ? (_hls->isLive() ? size : true) : true;
         if (!size && _hls->isLive() && _option.hls_demand) {
             // hls直播时，如果无人观看就删除视频缓存，目的是为了防止视频跳跃
+            _hls->getMediaSource()->setClearCache(true);
             _clear_cache = true;
         }
         MediaSourceEventInterceptor::onReaderChanged(sender, size);
@@ -59,6 +60,7 @@ public:
             _clear_cache = false;
             //清空旧的m3u8索引文件于ts切片
             _hls->clearCache();
+            _hls->getMediaSource()->setClearCache(false);
             _hls->getMediaSource()->setIndexFile("");
         }
         if (_enabled || !_option.hls_demand) {