diff --git a/3rdpart/ZLToolKit b/3rdpart/ZLToolKit
index 23575ba8..82f82e72 160000
--- a/3rdpart/ZLToolKit
+++ b/3rdpart/ZLToolKit
@@ -1 +1 @@
-Subproject commit 23575ba82d00641f8f33851b1d85391da310c378
+Subproject commit 82f82e723eda127777aaf91ad0e4615e8d56e8d5
diff --git a/src/FMP4/FMP4MediaSource.h b/src/FMP4/FMP4MediaSource.h
index e4c6a15f..2b4a1504 100644
--- a/src/FMP4/FMP4MediaSource.h
+++ b/src/FMP4/FMP4MediaSource.h
@@ -114,7 +114,6 @@ private:
             }
             strong_self->onReaderChanged(size);
         });
-        onReaderChanged(0);
         if (!_init_segment.empty()) {
             regist();
         }
diff --git a/src/Record/HlsMediaSource.h b/src/Record/HlsMediaSource.h
index 5c66f3b5..1e1029fe 100644
--- a/src/Record/HlsMediaSource.h
+++ b/src/Record/HlsMediaSource.h
@@ -52,7 +52,6 @@ public:
                 strongSelf->onReaderChanged(size);
             };
             _ring = std::make_shared<RingType>(0, std::move(lam));
-            onReaderChanged(0);
             regist();
         }
 
diff --git a/src/Rtmp/RtmpMediaSource.h b/src/Rtmp/RtmpMediaSource.h
index f92246c8..8ee954ca 100644
--- a/src/Rtmp/RtmpMediaSource.h
+++ b/src/Rtmp/RtmpMediaSource.h
@@ -158,8 +158,6 @@ public:
             //GOP默认缓冲512组RTMP包，每组RTMP包时间戳相同(如果开启合并写了，那么每组为合并写时间内的RTMP包),
             //每次遇到关键帧第一个RTMP包，则会清空GOP缓存(因为有新的关键帧了，同样可以实现秒开)
             _ring = std::make_shared<RingType>(_ring_size,std::move(lam));
-            onReaderChanged(0);
-
             if(_metadata){
                 regist();
             }
diff --git a/src/Rtsp/RtspMediaSource.h b/src/Rtsp/RtspMediaSource.h
index 69e3f93b..adfceca0 100644
--- a/src/Rtsp/RtspMediaSource.h
+++ b/src/Rtsp/RtspMediaSource.h
@@ -183,7 +183,6 @@ public:
             //GOP默认缓冲512组RTP包，每组RTP包时间戳相同(如果开启合并写了，那么每组为合并写时间内的RTP包),
             //每次遇到关键帧第一个RTP包，则会清空GOP缓存(因为有新的关键帧了，同样可以实现秒开)
             _ring = std::make_shared<RingType>(_ring_size, std::move(lam));
-            onReaderChanged(0);
             if (!_sdp.empty()) {
                 regist();
             }
diff --git a/src/TS/TSMediaSource.h b/src/TS/TSMediaSource.h
index 101dda9c..d1e18e41 100644
--- a/src/TS/TSMediaSource.h
+++ b/src/TS/TSMediaSource.h
@@ -98,7 +98,6 @@ private:
             }
             strong_self->onReaderChanged(size);
         });
-        onReaderChanged(0);
         //注册媒体源
         regist();
     }