diff --git a/src/Http/HlsPlayer.cpp b/src/Http/HlsPlayer.cpp
index 25046951..29140bfe 100644
--- a/src/Http/HlsPlayer.cpp
+++ b/src/Http/HlsPlayer.cpp
@@ -28,11 +28,15 @@ void HlsPlayer::play_l(){
         teardown_l(SockException(Err_shutdown, "所有hls url都尝试播放失败!"));
         return;
     }
+    if (alive() && _waiting_response) {
+        return;
+    }
     float playTimeOutSec = (*this)[Client::kTimeoutMS].as<int>() / 1000.0f;
     setMethod("GET");
     if(!(*this)[kNetAdapter].empty()) {
         setNetAdapter((*this)[kNetAdapter]);
     }
+    _waiting_response = true;
     sendRequest(_m3u8_list.back(), playTimeOutSec);
 }
 
@@ -173,6 +177,7 @@ void HlsPlayer::onResponseBody(const char *buf, size_t size, size_t recvedSize,
 }
 
 void HlsPlayer::onResponseCompleted() {
+    _waiting_response = false;
     if (HlsParser::parse(getUrl(), _m3u8)) {
         playDelay();
         if (_first) {
@@ -208,6 +213,7 @@ float HlsPlayer::delaySecond() {
 }
 
 void HlsPlayer::onDisconnect(const SockException &ex) {
+    _waiting_response = false;
     if (_first) {
         //第一次失败，则播放失败
         _first = false;
@@ -219,6 +225,8 @@ void HlsPlayer::onDisconnect(const SockException &ex) {
     if (ex.getErrCode() == Err_shutdown) {
         if (_m3u8_list.size() <= 1) {
             //全部url都播放失败
+            _timer = nullptr;
+            _timer_ts = nullptr;
             onShutdown(ex);
         } else {
             _m3u8_list.pop_back();
@@ -399,6 +407,7 @@ void HlsPlayerImp::onPlayResult(const SockException &ex) {
 }
 
 void HlsPlayerImp::onShutdown(const SockException &ex) {
+    WarnL << ex.what();
     PlayerImp<HlsPlayer, PlayerBase>::onShutdown(ex);
     _demuxer = nullptr;
 }
diff --git a/src/Http/HlsPlayer.h b/src/Http/HlsPlayer.h
index 453110a4..2ad94dae 100644
--- a/src/Http/HlsPlayer.h
+++ b/src/Http/HlsPlayer.h
@@ -112,6 +112,7 @@ private:
 private:
     bool _is_m3u8 = false;
     bool _first = true;
+    bool _waiting_response = false;
     int64_t _last_sequence = -1;
     string _m3u8;
     Timer::Ptr _timer;
diff --git a/src/Http/HttpClient.cpp b/src/Http/HttpClient.cpp
index e3062a24..69079a12 100644
--- a/src/Http/HttpClient.cpp
+++ b/src/Http/HttpClient.cpp
@@ -80,20 +80,27 @@ void HttpClient::sendRequest(const string &strUrl, float fTimeOutSec) {
         startConnect(host, port, fTimeOutSec);
     } else {
         SockException ex;
-        onConnect(ex);
+        onConnect_l(ex);
     }
 }
 
 void HttpClient::clear() {
+    _url.clear();
     _header.clear();
     _body.reset();
     _method.clear();
     _path.clear();
-    _parser.Clear();
-    _recvedBodySize = 0;
-    _totalBodySize = 0;
     _aliveTicker.resetTime();
     _chunkedSplitter.reset();
+    _fTimeOutSec = 0;
+    clearResponse();
+}
+
+void HttpClient::clearResponse() {
+    _recvedBodySize = 0;
+    _totalBodySize = 0;
+    _parser.Clear();
+    _chunkedSplitter = nullptr;
     HttpRequestSplitter::reset();
 }
 
@@ -131,16 +138,17 @@ const string &HttpClient::getUrl() const {
 }
 
 void HttpClient::onConnect(const SockException &ex) {
+    onConnect_l(ex);
+}
+
+void HttpClient::onConnect_l(const SockException &ex) {
     _aliveTicker.resetTime();
     if (ex) {
         onDisconnect(ex);
         return;
     }
 
-    _totalBodySize = 0;
-    _recvedBodySize = 0;
-    HttpRequestSplitter::reset();
-    _chunkedSplitter.reset();
+    clearResponse();
 
     _StrPrinter printer;
     printer << _method + " " << _path + " HTTP/1.1\r\n";
@@ -280,8 +288,6 @@ void HttpClient::onManager() {
 }
 
 void HttpClient::onResponseCompleted_l() {
-    _totalBodySize = 0;
-    _recvedBodySize = 0;
     onResponseCompleted();
 }
 
diff --git a/src/Http/HttpClient.h b/src/Http/HttpClient.h
index 61354f7d..e7fc4d87 100644
--- a/src/Http/HttpClient.h
+++ b/src/Http/HttpClient.h
@@ -165,7 +165,9 @@ protected:
 
 private:
     void onResponseCompleted_l();
+    void onConnect_l(const SockException &ex);
     void checkCookie(HttpHeader &headers);
+    void clearResponse();
 
 protected:
     bool _isHttps;
@@ -176,13 +178,14 @@ private:
     HttpBody::Ptr _body;
     string _method;
     string _path;
+    string _lastHost;
+    Ticker _aliveTicker;
+    float _fTimeOutSec = 0;
+
     //recv
     size_t _recvedBodySize;
     ssize_t _totalBodySize;
     Parser _parser;
-    string _lastHost;
-    Ticker _aliveTicker;
-    float _fTimeOutSec = 0;
     std::shared_ptr<HttpChunkedSplitter> _chunkedSplitter;
 };