diff --git a/src/Record/MP4Reader.cpp b/src/Record/MP4Reader.cpp
index 5c144d2e..2def3781 100644
--- a/src/Record/MP4Reader.cpp
+++ b/src/Record/MP4Reader.cpp
@@ -184,8 +184,10 @@ bool MP4Reader::speed(MediaSource &sender, float speed) {
         WarnL << "播放速度取值范围非法:" << speed;
         return false;
     }
-    //设置播放速度后应该恢复播放
-    pause(sender, false);
+    //_seek_ticker重置，赋值_seek_to
+    setCurrentStamp(getCurrentStamp());
+    // 设置播放速度后应该恢复播放
+    _paused = false;
     if (_speed == speed) {
         return true;
     }