diff --git a/src/Http/HttpSession.cpp b/src/Http/HttpSession.cpp
index 05a56488710d23eb5dbb372675fef0c5ff13b333..bb0a967a7b5a29200f38da1f4c180183682369a2 100644
--- a/src/Http/HttpSession.cpp
+++ b/src/Http/HttpSession.cpp
@@ -1,4 +1,4 @@
-/*
+/*
  * Copyright (c) 2016-present The ZLMediaKit project authors. All Rights Reserved.
  *
  * This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
@@ -378,7 +378,10 @@ bool HttpSession::checkLiveStreamFMP4(const function<void()> &cb) {
         if (!cb) {
             // 找到源，发送http头，负载后续发送  [AUTO-TRANSLATED:ac272410]
             // Found the source, send the http header, and send the load later
-            sendResponse(200, false, HttpFileManager::getContentType(".mp4").data(), KeyValue(), nullptr, true);
+            _is_chunked = true;
+            KeyValue headerOut;
+            headerOut["Transfer-Encoding"] = "chunked";
+            sendResponse(200, false, HttpFileManager::getContentType(".mp4").data(), headerOut, nullptr, true);
         } else {
             // 自定义发送http头  [AUTO-TRANSLATED:b8a8f683]
             // Custom send http header
@@ -849,8 +852,26 @@ void HttpSession::onWrite(const Buffer::Ptr &buffer, bool flush) {
 
     _ticker.resetTime();
     if (!_live_over_websocket) {
-        _total_bytes_usage += buffer->size();
-        send(buffer);
+        if (_is_chunked) {
+            std::stringstream ss;
+            ss << hex << buffer->size();
+            string sizeStr = ss.str();
+
+            auto sizeBuffer = make_shared<BufferLikeString>();
+            sizeBuffer->assign(sizeStr.data(), sizeStr.size());
+            sizeBuffer->append("\r\n");
+            send(sizeBuffer);
+            send(buffer);
+
+            auto lfcf = make_shared<BufferLikeString>();
+            lfcf->assign("\r\n");
+            send(lfcf);
+
+            _total_bytes_usage += buffer->size() + sizeStr.size() + 4;
+        } else {
+            _total_bytes_usage += buffer->size();
+            send(buffer);
+        }
     } else {
         WebSocketHeader header;
         header._fin = true;
diff --git a/src/Http/HttpSession.h b/src/Http/HttpSession.h
index b714e4b643b9fd480d446b2d1fcfaa93487beaeb..0fba87944d60f05777d0809c57b5ba5351830a87 100644
--- a/src/Http/HttpSession.h
+++ b/src/Http/HttpSession.h
@@ -1,4 +1,4 @@
-/*
+/*
  * Copyright (c) 2016-present The ZLMediaKit project authors. All Rights Reserved.
  *
  * This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
@@ -159,6 +159,7 @@ private:
     bool _is_live_stream = false;
     bool _live_over_websocket = false;
     bool _is_websocket = false;
+    bool _is_chunked = false;
     // 超时时间  [AUTO-TRANSLATED:f15e2672]
     // Timeout
     size_t _keep_alive_sec = 0;