diff --git a/chip/chip.cpp b/chip/chip.cpp
index c3231de..7ca203b 100644
--- a/chip/chip.cpp
+++ b/chip/chip.cpp
@@ -4,6 +4,9 @@ extern "C" {
 
 static iflytop::ZGPIO g_debuglight;
 static Pin_t          g_debuglight_pin = PinNull;
+static bool           g_error_state    = false;
+
+void chip_set_error() { g_error_state = true; }
 
 void chip_init(chip_cfg_t *cfg) {
   g_debuglight_pin = cfg->debuglight;
@@ -23,10 +26,18 @@ void chip_init(chip_cfg_t *cfg) {
 
   iflytop::ChipTimIrqShceduler::instance().regPeriodJob(
       [](iflytop::ChipTimIrqShceduler::Job *job) {
+        if (g_error_state) return;
         if (g_debuglight_pin == PinNull) return;
         g_debuglight.toggleState();
       },
       300);
+  iflytop::ChipTimIrqShceduler::instance().regPeriodJob(
+      [](iflytop::ChipTimIrqShceduler::Job *job) {
+        if (!g_error_state) return;
+        if (g_debuglight_pin == PinNull) return;
+        g_debuglight.toggleState();
+      },
+      50);
 
   ZEARLY_LOGI("SYS", "chip init ok");
   ZEARLY_LOGI("SYS", "= manufacturer  : %s", MANUFACTURER);
diff --git a/chip/chip.hpp b/chip/chip.hpp
index 1f4f3af..8228137 100644
--- a/chip/chip.hpp
+++ b/chip/chip.hpp
@@ -17,4 +17,5 @@ typedef struct {
 } chip_cfg_t;
 
 void chip_init(chip_cfg_t *cfg);
+void chip_set_error();
 }
\ No newline at end of file