diff --git a/usrc/service/app_core.cpp b/usrc/service/app_core.cpp
index 1e86a85..a9f1d86 100644
--- a/usrc/service/app_core.cpp
+++ b/usrc/service/app_core.cpp
@@ -29,7 +29,7 @@ using namespace iflytop;
 // #define TEST_TMC_MOTOR_REF
 // #define TEST_BLE_IF
 // #define TEST_EEPROM
-// #define TEST_TJC_SCREEN
+#define TEST_TJC_SCREEN
 // #define TEST_RTC
 // #define TEST_USB
 
@@ -48,8 +48,7 @@ void umain() { AppCore::ins()->initialize(); }
 extern "C" {
 extern void MX_USB_HOST_Init(void);
 extern void MX_FATFS_Init();
-  extern void write_to_cache();
-
+extern void write_to_cache();
 }
 void AppCore::test() {
   osDelay(1000);
@@ -60,9 +59,8 @@ void AppCore::test() {
   GStateMgr::ins()->initialize();
   AppEventBus::ins()->initialize();
 
-
   // 硬件初始化
-  ZCAN1::ins()->zcaninit(CAN1_TX_PIN,CAN1_RX_PIN);
+  ZCAN1::ins()->zcaninit(CAN1_TX_PIN, CAN1_RX_PIN);
   AppHardware::ins()->initialize();  // 基础硬件初始化
 
 #ifdef TEST_ID
@@ -141,6 +139,8 @@ void AppCore::test() {
     bool suc = RCTRL->startScan(BLENAME, true);
     if (suc) break;
   }
+  ZLOGI(TAG, "start scan ok");
+
   RCTRL->regOnReport([this](uint8_t* rx, int32_t len) {
     zble_proto_packet_t* packet = (zble_proto_packet_t*)rx;
     if (packet->cmd == kzble_app_report_key_event) {
@@ -172,6 +172,7 @@ void AppCore::test() {
 #endif
 
 #ifdef TEST_TJC_SCREEN
+  FrontEndControler::ins()->initialize();
   while (true) {
     // 扫描到 0x50 说明EEPROM在线
     uint8_t tx  = 0x73;