diff --git a/plugins/alarm/uploaders/minio_uploader.cpp b/plugins/alarm/uploaders/minio_uploader.cpp
index 2de9f52..39c4a32 100644
--- a/plugins/alarm/uploaders/minio_uploader.cpp
+++ b/plugins/alarm/uploaders/minio_uploader.cpp
@@ -17,6 +17,7 @@ namespace rk3588 {
 namespace {
 
 std::string GetEnvOrDefault(const std::string& env_name, const std::string& default_val) {
+    (void)env_name;
     // Handle ${ENV_VAR} syntax
     if (default_val.size() > 3 && default_val.substr(0, 2) == "${" &&
         default_val.back() == '}') {
diff --git a/plugins/input_rtsp/input_rtsp_node.cpp b/plugins/input_rtsp/input_rtsp_node.cpp
index 8bf6832..e1797f1 100644
--- a/plugins/input_rtsp/input_rtsp_node.cpp
+++ b/plugins/input_rtsp/input_rtsp_node.cpp
@@ -227,7 +227,7 @@ private:
         frame->data_size = buffer->size();
         frame->plane_count = plane_count;
         frame->frame_id = ++frame_id_;
-        auto best_pts = av_frame_get_best_effort_timestamp(&f);
+        auto best_pts = f.pts; // av_frame_get_best_effort_timestamp is deprecated
         frame->pts = best_pts == AV_NOPTS_VALUE ? 0
                      : static_cast<uint64_t>(av_rescale_q(best_pts, time_base, {1, 1000}));
         frame->data_owner = buffer;
@@ -358,7 +358,7 @@ private:
             MppBufferGroup group = frame_group;
             size_t buf_size = mpp_frame_get_buf_size(frame);
             if (!group) {
-                if (mpp_buffer_group_get_internal(&group, MPP_BUFFER_TYPE_DRM) != MPP_OK) return;
+                if (mpp_buffer_group_get_internal(&group, MPP_BUFFER_TYPE_DRM, NULL) != MPP_OK) return;
                 frame_group = group;
             } else {
                 mpp_buffer_group_clear(group);
diff --git a/plugins/preprocess/preprocess_node.cpp b/plugins/preprocess/preprocess_node.cpp
index d53f204..0968dd6 100644
--- a/plugins/preprocess/preprocess_node.cpp
+++ b/plugins/preprocess/preprocess_node.cpp
@@ -374,7 +374,6 @@ private:
                       << " -> " << out_w << "x" << out_h << "\n";
         }
     }
-#endif
 
     static AVPixelFormat ToAvFormat(PixelFormat fmt) {
         switch (fmt) {
diff --git a/plugins/publish/publish_node.cpp b/plugins/publish/publish_node.cpp
index 38a2423..7953fca 100644
--- a/plugins/publish/publish_node.cpp
+++ b/plugins/publish/publish_node.cpp
@@ -94,26 +94,28 @@ public:
         if (!ready_ || !fmt_ || !stream_) return false;
         if (pkt.data.empty()) return false;
 
-        AVPacket out;
-        av_init_packet(&out);
-        if (av_new_packet(&out, static_cast<int>(pkt.data.size())) < 0) {
+        AVPacket* out = av_packet_alloc();
+        if (!out) return false;
+
+        if (av_new_packet(out, static_cast<int>(pkt.data.size())) < 0) {
+            av_packet_free(&out);
             return false;
         }
-        std::memcpy(out.data, pkt.data.data(), pkt.data.size());
-        out.stream_index = stream_->index;
-        out.flags = pkt.key ? AV_PKT_FLAG_KEY : 0;
+        std::memcpy(out->data, pkt.data.data(), pkt.data.size());
+        out->stream_index = stream_->index;
+        out->flags = pkt.key ? AV_PKT_FLAG_KEY : 0;
         
         // Simple PTS mapping
         int64_t pts = av_rescale_q(pkt.pts_ms, AVRational{1, 1000}, stream_->time_base);
         if (pts <= last_pts_) pts = last_pts_ + 1;
         last_pts_ = pts;
         
-        out.pts = pts;
-        out.dts = pts;
-        out.duration = av_rescale_q(1000 / std::max(1, fps_), AVRational{1, 1000}, stream_->time_base);
+        out->pts = pts;
+        out->dts = pts;
+        out->duration = av_rescale_q(1000 / std::max(1, fps_), AVRational{1, 1000}, stream_->time_base);
 
-        int ret = av_interleaved_write_frame(fmt_, &out);
-        av_packet_unref(&out);
+        int ret = av_interleaved_write_frame(fmt_, out);
+        av_packet_free(&out);
 
         if (ret < 0) {
             if (!warned_) {
@@ -406,8 +408,8 @@ public:
             mpp_packet_deinit(&hdr);
         }
 
-        if (mpp_buffer_group_get_internal(&frm_grp_, MPP_BUFFER_TYPE_DRM) != MPP_OK) {
-            if (mpp_buffer_group_get_internal(&frm_grp_, MPP_BUFFER_TYPE_NORMAL) != MPP_OK) {
+        if (mpp_buffer_group_get_internal(&frm_grp_, MPP_BUFFER_TYPE_DRM, NULL) != MPP_OK) {
+            if (mpp_buffer_group_get_internal(&frm_grp_, MPP_BUFFER_TYPE_NORMAL, NULL) != MPP_OK) {
                 std::cerr << "[publish] mpp_buffer_group_get_internal failed\n";
                 return false;
             }
diff --git a/plugins/storage/storage_node.cpp b/plugins/storage/storage_node.cpp
index 53fe39c..37410b1 100644
--- a/plugins/storage/storage_node.cpp
+++ b/plugins/storage/storage_node.cpp
@@ -119,8 +119,8 @@ public:
         MppEncHeaderMode header_mode = MPP_ENC_HEADER_MODE_EACH_IDR;
         mpi_->control(ctx_, MPP_ENC_SET_HEADER_MODE, &header_mode);
 
-        if (mpp_buffer_group_get_internal(&frm_grp_, MPP_BUFFER_TYPE_DRM) != MPP_OK) {
-            mpp_buffer_group_get_internal(&frm_grp_, MPP_BUFFER_TYPE_NORMAL);
+        if (mpp_buffer_group_get_internal(&frm_grp_, MPP_BUFFER_TYPE_DRM, NULL) != MPP_OK) {
+            mpp_buffer_group_get_internal(&frm_grp_, MPP_BUFFER_TYPE_NORMAL, NULL);
         }
 
         // Get header
diff --git a/src/ai_scheduler.cpp b/src/ai_scheduler.cpp
index 61972b8..b78db2c 100644
--- a/src/ai_scheduler.cpp
+++ b/src/ai_scheduler.cpp
@@ -114,6 +114,7 @@ ModelHandle AiScheduler::LoadModel(const std::string& model_path, std::string& e
 
     return handle;
 #else
+    (void)model_path;
     err = "RKNN not enabled";
     return kInvalidModelHandle;
 #endif