diff --git a/BSP/Timer.c b/BSP/Timer.c
new file mode 100644
index 0000000..b01a305
--- /dev/null
+++ b/BSP/Timer.c
@@ -0,0 +1 @@
+#include "stm32f10x.h"
\ No newline at end of file
diff --git a/BSP/Timer.h b/BSP/Timer.h
new file mode 100644
index 0000000..c13a271
--- /dev/null
+++ b/BSP/Timer.h
@@ -0,0 +1,4 @@
+#ifndef __TIMER_H
+#define __TIMER_H
+
+#endif
diff --git a/CMakeLists.txt b/CMakeLists.txt
index eaa2c19..b5ef35f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -43,7 +43,9 @@ add_executable(${CMAKE_PROJECT_NAME}
     BSP/CountSensor.h
     BSP/Encoder.c
     BSP/Encoder.h
-)
+    BSP/Timer.c
+    BSP/Timer.h
+) 
 
 target_include_directories(${CMAKE_PROJECT_NAME} PRIVATE
     CMSIS                # stm32f10x.h, core_cm3.h, system_stm32f10x.h
diff --git a/User/main.c b/User/main.c
index c024cc9..04cf074 100644
--- a/User/main.c
+++ b/User/main.c
@@ -7,15 +7,9 @@ int16_t Num = 0;
 
 int main(void) {
     OLED_Init();
-    Encoder_Init();
-    OLED_ShowString(1, 1, "Num:");
-
+    OLED_ShowString(1, 1, "Hello World");
 
     while (1) {
-        OLED_ShowNum(2, 1, GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_0), 1);  // 显示 PB0 电平
-        OLED_ShowNum(3, 1, GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_1), 1);  // 显示 PB1 电平
 
-        Num += GetEncoder_Counter();
-        OLED_ShowSignedNum(1, 5, Num, 5);
     }
 }