diff --git a/install/soa_server/rk3576/soa_server b/install/soa_server/rk3576/soa_server
index 8d3f6bb..06f206c 100755
Binary files a/install/soa_server/rk3576/soa_server and b/install/soa_server/rk3576/soa_server differ
diff --git a/install/tmp/lib.zip b/install/tmp/lib.zip
index 1ab8af6..b98307e 100644
Binary files a/install/tmp/lib.zip and b/install/tmp/lib.zip differ
diff --git a/install/tmp/lib/libboost_thread.so b/install/tmp/lib/libboost_thread.so
new file mode 100755
index 0000000..d02a494
Binary files /dev/null and b/install/tmp/lib/libboost_thread.so differ
diff --git a/install/tmp/lib/libboost_thread.so.1.75.0 b/install/tmp/lib/libboost_thread.so.1.75.0
new file mode 100755
index 0000000..d02a494
Binary files /dev/null and b/install/tmp/lib/libboost_thread.so.1.75.0 differ
diff --git a/source/soa_server/someip_server.hpp b/source/soa_server/someip_server.hpp
index 6f3d3b8..01ef696 100644
--- a/source/soa_server/someip_server.hpp
+++ b/source/soa_server/someip_server.hpp
@@ -277,6 +277,8 @@ public:
     {
 
         someip_log_i("Start event [0x%04x] notify thread.",_event);
+
+        std::vector<byte_t> lastData;  // 用于 on-change 模式去重
         
         while (running_)
         {
@@ -289,23 +291,16 @@ public:
 
                 if (_update_on_change || (0U == _cycle))
                 {   
-                    // for update on change
-                    /* If data is not empty and changed, to notify */
-                    static std::vector<byte_t> lastData;
-                    std::vector<byte_t> notify_data;
-                    notify_data.clear();
-                    notify_data = _notify_data_func();
+                    // for update on change: only notify when data changes
+                    std::vector<byte_t> notify_data = _notify_data_func();
 
-                    if ((nullptr != _notify_data_func) && (lastData != notify_data))
+                    if (lastData != notify_data)
                     {
                         lastData = notify_data;
                         std::shared_ptr<payload> _payload = runtime::get()->create_payload();
                         _payload->set_data(notify_data);
-                        
-                        someip_log_d("Notify event[0x%04x] with data size[%d] payload length[%d].", _event,notify_data.size(), _payload->get_length());
-                        
+                        someip_log_d("Notify event[0x%04x] with data size[%d] payload length[%d].", _event, notify_data.size(), _payload->get_length());
                         app_->notify(_service, _instance, _event, _payload);
-
                     }
 
                 }
diff --git a/source/soa_server/spi_server.cpp b/source/soa_server/spi_server.cpp
index 395e172..6349059 100644
--- a/source/soa_server/spi_server.cpp
+++ b/source/soa_server/spi_server.cpp
@@ -168,12 +168,12 @@ void my_spi_server_thread_func(void* arg) {
         // 调用SpiProtocol_Unpack解析SPI数据
         SpiProtocol_RxResultType result;
         int32_t unpack_ret = SpiProtocol_Unpack(buf, sizeof(buf), SPI_PROTO_FRAME_SIZE, &result);
-        if (unpack_ret != SPI_PROTO_ERR_NONE)
+        if (unpack_ret < 0)
         {
             printf("SpiProtocol_Unpack error: %d\n", unpack_ret);
             continue;
         }
-        printf("SpiProtocol_Unpack success\n");
+        printf("SpiProtocol_Unpack success, tlv_count=%d\n", unpack_ret);
 
         // 处理解包后的数据：提取 CAN0~CAN5 数据分发到对应缓冲区
         for (uint8_t i = 0; i < result.tlv_count; i++)
@@ -187,6 +187,10 @@ void my_spi_server_thread_func(void* arg) {
                     g_can_data[can_ch].assign(result.tlvs[i].value,
                                               result.tlvs[i].value + result.tlvs[i].length);
                     printf("CAN%d data updated, length=%u\n", can_ch, result.tlvs[i].length);
+                    printf("  HEX: ");
+                    for (size_t j = 0; j < g_can_data[can_ch].size(); j++)
+                        printf("%02X ", g_can_data[can_ch][j]);
+                    printf("\n");
                 }
                 else
                 {