diff --git a/usrc/app_main.cpp b/usrc/app_main.cpp
index e535a01..f32c76b 100644
--- a/usrc/app_main.cpp
+++ b/usrc/app_main.cpp
@@ -139,7 +139,8 @@ void umain() {
   SysMgr::ins()->initedFinished();
   SysMgr::ins()->dumpSysInfo();
   ZLOGI(TAG, "=");
-  zcanbus_send_report(kreport_device_reset, NULL, 0, 100);
+  uint8_t resetReason = SysMgr::ins()->chipGetResetReason();
+  zcanbus_send_report(kreport_device_reset, &resetReason, 1, 100);
   MX_IWDG_Init();
   while (true) {
     osDelay(30);