diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 95206ba5..00000000
--- a/.travis.yml
+++ /dev/null
@@ -1,12 +0,0 @@
-language: cpp
-sudo: required
-dist: trusty
-compiler:
-- clang
-os:
-- linux
-script:
-- ./build_for_linux.sh
-
-
-
diff --git a/3rdpart/ZLToolKit b/3rdpart/ZLToolKit
index 844b8663..21fdfe4a 160000
--- a/3rdpart/ZLToolKit
+++ b/3rdpart/ZLToolKit
@@ -1 +1 @@
-Subproject commit 844b866368fcbc4547c36474cc9d36479350bda3
+Subproject commit 21fdfe4a6553356f1b01f7dde326535ba23aef45
diff --git a/_config.yml b/_config.yml
deleted file mode 100644
index c4192631..00000000
--- a/_config.yml
+++ /dev/null
@@ -1 +0,0 @@
-theme: jekyll-theme-cayman
\ No newline at end of file
diff --git a/src/Common/MediaSource.h b/src/Common/MediaSource.h
index aa168063..5b7f2f46 100644
--- a/src/Common/MediaSource.h
+++ b/src/Common/MediaSource.h
@@ -57,8 +57,8 @@ public:
         ~NotImplemented() override = default;
     };
 
-    MediaSourceEvent() {};
-    virtual ~MediaSourceEvent() {};
+    MediaSourceEvent() = default;
+    virtual ~MediaSourceEvent() = default;
 
     // 获取媒体源类型
     virtual MediaOriginType getOriginType(MediaSource &sender) const { return MediaOriginType::unknown; }
diff --git a/src/Common/macros.h b/src/Common/macros.h
index be3da752..e33e1641 100644
--- a/src/Common/macros.h
+++ b/src/Common/macros.h
@@ -41,7 +41,7 @@
 #endif
 
 #ifndef CHECK
-#define CHECK(exp, ...) mediakit::Assert_ThrowCpp(!(exp), #exp, __FUNCTION__, __FILE__, __LINE__, ##__VA_ARGS__)
+#define CHECK(exp, ...) ::mediakit::Assert_ThrowCpp(!(exp), #exp, __FUNCTION__, __FILE__, __LINE__, ##__VA_ARGS__)
 #endif // CHECK
 
 #ifndef MAX
diff --git a/src/Record/MP4Muxer.cpp b/src/Record/MP4Muxer.cpp
index 274d43fe..02957968 100644
--- a/src/Record/MP4Muxer.cpp
+++ b/src/Record/MP4Muxer.cpp
@@ -19,8 +19,6 @@ using namespace toolkit;
 
 namespace mediakit {
 
-MP4Muxer::MP4Muxer() {}
-
 MP4Muxer::~MP4Muxer() {
     closeMP4();
 }
@@ -64,7 +62,7 @@ bool MP4MuxerInterface::haveVideo() const {
 uint64_t MP4MuxerInterface::getDuration() const {
     uint64_t ret = 0;
     for (auto &pr : _codec_to_trackid) {
-        if (pr.second.stamp.getRelativeStamp() > ret) {
+        if (pr.second.stamp.getRelativeStamp() > (int64_t)ret) {
             ret = pr.second.stamp.getRelativeStamp();
         }
     }
diff --git a/src/Record/MP4Muxer.h b/src/Record/MP4Muxer.h
index 6485b308..64947d82 100644
--- a/src/Record/MP4Muxer.h
+++ b/src/Record/MP4Muxer.h
@@ -90,7 +90,7 @@ class MP4Muxer : public MP4MuxerInterface{
 public:
     typedef std::shared_ptr<MP4Muxer> Ptr;
 
-    MP4Muxer();
+    MP4Muxer() = default;
     ~MP4Muxer() override;
 
     /**
diff --git a/src/Record/MPEG.cpp b/src/Record/MPEG.cpp
index 98961548..985cf98f 100644
--- a/src/Record/MPEG.cpp
+++ b/src/Record/MPEG.cpp
@@ -13,7 +13,7 @@
 
 #if defined(ENABLE_HLS) || defined(ENABLE_RTPPROXY)
 
-#include "mpeg-ts-proto.h"
+#include "mpeg-ts.h"
 #include "mpeg-muxer.h"
 
 using namespace toolkit;
diff --git a/src/Rtmp/RtmpCodec.h b/src/Rtmp/RtmpCodec.h
index baa61084..476d0a39 100644
--- a/src/Rtmp/RtmpCodec.h
+++ b/src/Rtmp/RtmpCodec.h
@@ -56,8 +56,8 @@ protected:
 class RtmpCodec : public RtmpRing, public FrameDispatcher , public CodecInfo{
 public:
     typedef std::shared_ptr<RtmpCodec> Ptr;
-    RtmpCodec(){}
-    virtual ~RtmpCodec(){}
+    RtmpCodec() = default;
+    ~RtmpCodec() override = default;
     virtual void makeConfigPacket() {};
 };
 
diff --git a/src/Rtmp/RtmpMuxer.h b/src/Rtmp/RtmpMuxer.h
index bd13fcf6..73cacfb2 100644
--- a/src/Rtmp/RtmpMuxer.h
+++ b/src/Rtmp/RtmpMuxer.h
@@ -18,7 +18,7 @@
 
 namespace mediakit{
 
-class RtmpMuxer : public MediaSinkInterface{
+class RtmpMuxer : public MediaSinkInterface {
 public:
     typedef std::shared_ptr<RtmpMuxer> Ptr;
 
@@ -26,7 +26,7 @@ public:
      * 构造函数
      */
     RtmpMuxer(const TitleMeta::Ptr &title);
-    virtual ~RtmpMuxer(){}
+    ~RtmpMuxer() override = default;
 
     /**
      * 获取完整的SDP字符串
diff --git a/src/Rtp/RtpServer.cpp b/src/Rtp/RtpServer.cpp
index 7ebe081f..577130e3 100644
--- a/src/Rtp/RtpServer.cpp
+++ b/src/Rtp/RtpServer.cpp
@@ -19,8 +19,6 @@ using namespace toolkit;
 
 namespace mediakit{
 
-RtpServer::RtpServer() {}
-
 RtpServer::~RtpServer() {
     if (_on_cleanup) {
         _on_cleanup();
diff --git a/src/Rtp/RtpServer.h b/src/Rtp/RtpServer.h
index 7c595591..409671a1 100644
--- a/src/Rtp/RtpServer.h
+++ b/src/Rtp/RtpServer.h
@@ -31,7 +31,7 @@ public:
     using onRecv = std::function<void(const toolkit::Buffer::Ptr &buf)>;
     enum TcpMode { NONE = 0, PASSIVE, ACTIVE };
 
-    RtpServer();
+    RtpServer() = default;
     ~RtpServer();
 
     /**
diff --git a/src/Rtsp/RtpMultiCaster.h b/src/Rtsp/RtpMultiCaster.h
index 1195a92a..f55189e6 100644
--- a/src/Rtsp/RtpMultiCaster.h
+++ b/src/Rtsp/RtpMultiCaster.h
@@ -24,7 +24,7 @@ namespace mediakit{
 
 class MultiCastAddressMaker {
 public:
-    ~MultiCastAddressMaker() {}
+    ~MultiCastAddressMaker() = default;
     static MultiCastAddressMaker& Instance();
     static bool isMultiCastAddress(uint32_t addr);
     static std::string toString(uint32_t addr);
@@ -32,7 +32,7 @@ public:
     std::shared_ptr<uint32_t> obtain(uint32_t max_try = 10);
 
 private:
-    MultiCastAddressMaker() {};
+    MultiCastAddressMaker() = default;
     void release(uint32_t addr);
 
 private:
diff --git a/src/Rtsp/RtspMuxer.h b/src/Rtsp/RtspMuxer.h
index a7199b97..6b5cfa56 100644
--- a/src/Rtsp/RtspMuxer.h
+++ b/src/Rtsp/RtspMuxer.h
@@ -22,7 +22,7 @@ class RingDelegateHelper : public toolkit::RingDelegate<RtpPacket::Ptr> {
 public:
     using onRtp = std::function<void(RtpPacket::Ptr in, bool is_key)> ;
 
-    ~RingDelegateHelper() override {}
+    ~RingDelegateHelper() override = default;
 
     RingDelegateHelper(onRtp on_rtp) {
         _on_rtp = std::move(on_rtp);
@@ -39,7 +39,7 @@ private:
 /**
 * rtsp生成器
 */
-class RtspMuxer : public MediaSinkInterface{
+class RtspMuxer : public MediaSinkInterface {
 public:
     using Ptr = std::shared_ptr<RtspMuxer>;
 
@@ -47,8 +47,7 @@ public:
      * 构造函数
      */
     RtspMuxer(const TitleSdp::Ptr &title = nullptr);
-
-    virtual ~RtspMuxer(){}
+    ~RtspMuxer() override = default;
 
     /**
      * 获取完整的SDP字符串
diff --git a/src/Rtsp/RtspSession.h b/src/Rtsp/RtspSession.h
index da3701fe..10c0c66e 100644
--- a/src/Rtsp/RtspSession.h
+++ b/src/Rtsp/RtspSession.h
@@ -37,7 +37,7 @@ public:
     using Ptr = std::shared_ptr<BufferRtp>;
 
     BufferRtp(Buffer::Ptr pkt, size_t offset = 0) : _offset(offset), _rtp(std::move(pkt)) {}
-    ~BufferRtp() override {}
+    ~BufferRtp() override = default;
 
     char *data() const override {
         return (char *)_rtp->data() + _offset;
diff --git a/srt/SrtTransport.cpp b/srt/SrtTransport.cpp
index 458bb69e..7388f3a0 100644
--- a/srt/SrtTransport.cpp
+++ b/srt/SrtTransport.cpp
@@ -407,9 +407,9 @@ void SrtTransport::handleDropReq(uint8_t *buf, int len, struct sockaddr_storage
     if (list.empty()) {
         return;
     }
-    uint32_t max_seq = 0;
+    // uint32_t max_seq = 0;
     for (auto& data : list) {
-        max_seq = data->packet_seq_number;
+        // max_seq = data->packet_seq_number;
         if (_last_pkt_seq + 1 != data->packet_seq_number) {
             TraceL << "pkt lost " << _last_pkt_seq + 1 << "->" << data->packet_seq_number;
         }
@@ -620,9 +620,9 @@ void SrtTransport::handleDataPacket(uint8_t *buf, int len, struct sockaddr_stora
     if (list.empty()) {
         // when no data ok send nack to sender immediately
     } else {
-        uint32_t last_seq;
+        // uint32_t last_seq;
         for (auto& data : list) {
-            last_seq = data->packet_seq_number;
+            // last_seq = data->packet_seq_number;
             if (_last_pkt_seq + 1 != data->packet_seq_number) {
                 TraceL << "pkt lost " << _last_pkt_seq + 1 << "->" << data->packet_seq_number;
             }