diff --git a/api/include/mk_frame.h b/api/include/mk_frame.h
index 56309d4f..a17f0654 100644
--- a/api/include/mk_frame.h
+++ b/api/include/mk_frame.h
@@ -27,17 +27,17 @@ extern "C" {
 #define MK_FRAME_FLAG_NOT_DECODE_ABLE (1 << 3)
 
 //codec id常量定义
-API_EXPORT extern const int MKCodecH264;
-API_EXPORT extern const int MKCodecH265;
-API_EXPORT extern const int MKCodecAAC;
-API_EXPORT extern const int MKCodecG711A;
-API_EXPORT extern const int MKCodecG711U;
-API_EXPORT extern const int MKCodecOpus;
-API_EXPORT extern const int MKCodecL16;
-API_EXPORT extern const int MKCodecVP8;
-API_EXPORT extern const int MKCodecVP9;
-API_EXPORT extern const int MKCodecAV1;
-API_EXPORT extern const int MKCodecJPEG;
+extern const int MKCodecH264;
+extern const int MKCodecH265;
+extern const int MKCodecAAC;
+extern const int MKCodecG711A;
+extern const int MKCodecG711U;
+extern const int MKCodecOpus;
+extern const int MKCodecL16;
+extern const int MKCodecVP8;
+extern const int MKCodecVP9;
+extern const int MKCodecAV1;
+extern const int MKCodecJPEG;
 
 typedef struct mk_frame_t *mk_frame;
 
diff --git a/api/source/mk_frame.cpp b/api/source/mk_frame.cpp
index adf03e1c..c84453d3 100644
--- a/api/source/mk_frame.cpp
+++ b/api/source/mk_frame.cpp
@@ -15,7 +15,7 @@
 using namespace mediakit;
 
 extern "C" {
-#define XX(name, type, value, str, mpeg_id, mp4_id) API_EXPORT const int MK##name = value;
+#define XX(name, type, value, str, mpeg_id, mp4_id) const int MK##name = value;
     CODEC_MAP(XX)
 #undef XX
 }
diff --git a/ext-codec/AACRtp.cpp b/ext-codec/AACRtp.cpp
index c9e4bfea..006630f7 100644
--- a/ext-codec/AACRtp.cpp
+++ b/ext-codec/AACRtp.cpp
@@ -86,7 +86,7 @@ bool AACRtpDecoder::inputRtp(const RtpPacket::Ptr &rtp, bool key_pos) {
     }
 
     // 每个audio unit时间戳增量
-    auto dts_inc = (stamp - _last_dts) / au_header_count;
+    auto dts_inc = static_cast<int64_t>(stamp - _last_dts) / au_header_count;
     if (dts_inc < 0 || dts_inc > 100) {
         // 时间戳增量异常，忽略
         dts_inc = 0;
diff --git a/ext-codec/JPEGRtp.cpp b/ext-codec/JPEGRtp.cpp
index 99456b21..b2e2240e 100644
--- a/ext-codec/JPEGRtp.cpp
+++ b/ext-codec/JPEGRtp.cpp
@@ -598,7 +598,7 @@ void JPEGRtpEncoder::rtpSendJpeg(const uint8_t *buf, int size, uint64_t pts, uin
 {
     const uint8_t *qtables[4] = { NULL };
     int nb_qtables = 0;
-    uint8_t w, h;
+    uint8_t w { 0 }, h { 0 };
     uint8_t *p;
     int off = 0; /* fragment offset of the current JPEG frame */
     int len;
diff --git a/src/Player/PlayerProxy.h b/src/Player/PlayerProxy.h
index cc10a4e6..c484ca6a 100644
--- a/src/Player/PlayerProxy.h
+++ b/src/Player/PlayerProxy.h
@@ -129,12 +129,12 @@ private:
     void setTranslationInfo();
 
 private:
-    ProtocolOption _option;
     int _retry_count;
     int _reconnect_delay_min;
     int _reconnect_delay_max;
     int _reconnect_delay_step;
     MediaTuple _tuple;
+    ProtocolOption _option;
     std::string _pull_url;
     toolkit::Timer::Ptr _timer;
     std::function<void()> _on_disconnect;
diff --git a/src/Rtp/RtpCache.h b/src/Rtp/RtpCache.h
index bd570c47..c63e18f4 100644
--- a/src/Rtp/RtpCache.h
+++ b/src/Rtp/RtpCache.h
@@ -41,7 +41,7 @@ private:
 class RtpCachePS : public RtpCache, public PSEncoderImp {
 public:
     RtpCachePS(onFlushed cb, uint32_t ssrc, uint8_t payload_type = 96, bool ps_or_ts = true) :
-        RtpCache(std::move(cb)), PSEncoderImp(ssrc, ps_or_ts ? payload_type : Rtsp::PT_MP2T, ps_or_ts) {};
+        RtpCache(std::move(cb)), PSEncoderImp(ssrc, ps_or_ts ? payload_type : static_cast<int>(Rtsp::PT_MP2T), ps_or_ts) {};
 
     void flush() override;
 
diff --git a/tests/test_bench_forward.cpp b/tests/test_bench_forward.cpp
index c75b45ed..20a3d2e5 100644
--- a/tests/test_bench_forward.cpp
+++ b/tests/test_bench_forward.cpp
@@ -223,8 +223,8 @@ int main(int argc, char *argv[]) {
         option.enable_hls = false;
         option.enable_mp4 = false;
         option.modify_stamp = (int)ProtocolOption::kModifyStampRelative;
-        //添加拉流代理	
-        auto tuple = MediaTuple{DEFAULT_VHOST, "app", std::to_string(i)};
+        //添加拉流代理
+        auto tuple = MediaTuple { DEFAULT_VHOST, "app", std::to_string(i), "" };
         auto proxy = std::make_shared<PlayerProxy>(tuple, option, -1, nullptr, 1);
         //开始拉流代理	
         proxy->play(input_urls[i]);
diff --git a/tests/test_bench_push.cpp b/tests/test_bench_push.cpp
index 8ae0d41c..317b0cdd 100644
--- a/tests/test_bench_push.cpp
+++ b/tests/test_bench_push.cpp
@@ -148,7 +148,7 @@ int main(int argc, char *argv[]) {
     MediaSource::Ptr src = nullptr;
     PlayerProxy::Ptr proxy = nullptr;;
 
-    auto tuple = MediaTuple{DEFAULT_VHOST, app, stream};
+    auto tuple = MediaTuple { DEFAULT_VHOST, app, stream, "" };
     if (end_with(in_url, ".mp4")) {
         // create MediaSource from mp4file
         auto reader = std::make_shared<MP4Reader>(tuple, in_url);
diff --git a/tests/test_rtp.cpp b/tests/test_rtp.cpp
index 8946aa59..bf9167e6 100644
--- a/tests/test_rtp.cpp
+++ b/tests/test_rtp.cpp
@@ -75,7 +75,7 @@ static bool loadFile(const char *path, const EventPoller::Ptr &poller) {
                 return 0;
             }
 
-            auto diff = stamp - stamp_last;
+            auto diff = static_cast<int64_t>(stamp - stamp_last);
             if (diff < 0 || diff > 500) {
                 diff = 1;
             }