diff --git a/stm32F030F4_code/Core/Src/main.c b/stm32F030F4_code/Core/Src/main.c
index 3997b17..e2ce98a 100644
--- a/stm32F030F4_code/Core/Src/main.c
+++ b/stm32F030F4_code/Core/Src/main.c
@@ -326,7 +326,7 @@ static void MX_GPIO_Init(void)
   /*Configure GPIO pins : tack_A_Pin tack_B_Pin */
   GPIO_InitStruct.Pin = tack_A_Pin|tack_B_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
-  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  GPIO_InitStruct.Pull = GPIO_PULLUP;
   HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
 
   /*Configure GPIO pin : charge_det_Pin */
diff --git a/stm32F030F4_code/mydrivers/my.c b/stm32F030F4_code/mydrivers/my.c
index 756722f..51cca1b 100644
--- a/stm32F030F4_code/mydrivers/my.c
+++ b/stm32F030F4_code/mydrivers/my.c
@@ -177,7 +177,7 @@ void mymain()
 	while(1)
 	{
 
-		push_key=SW_C;
+		push_key=KEY1;
 		if(push_key!=last_key)
 		{
 
@@ -214,6 +214,8 @@ void mymain()
 					if(morse_y>=Y_WIDTH_)
 					{
 						morse_y=0;
+
+						OLED_Init_Display_Buffer(0);
 					}
 				}
 
diff --git a/stm32F030F4_code/stm32F030F4_code.ioc b/stm32F030F4_code/stm32F030F4_code.ioc
index 9a0564c..7a537d8 100644
--- a/stm32F030F4_code/stm32F030F4_code.ioc
+++ b/stm32F030F4_code/stm32F030F4_code.ioc
@@ -67,12 +67,14 @@ PB1.GPIO_Label=SW_C
 PB1.GPIO_PuPd=GPIO_PULLUP
 PB1.Locked=true
 PB1.Signal=GPIO_Input
-PF0-OSC_IN.GPIOParameters=GPIO_Label
+PF0-OSC_IN.GPIOParameters=GPIO_PuPd,GPIO_Label
 PF0-OSC_IN.GPIO_Label=tack_A
+PF0-OSC_IN.GPIO_PuPd=GPIO_PULLUP
 PF0-OSC_IN.Locked=true
 PF0-OSC_IN.Signal=GPIO_Input
-PF1-OSC_OUT.GPIOParameters=GPIO_Label
+PF1-OSC_OUT.GPIOParameters=GPIO_PuPd,GPIO_Label
 PF1-OSC_OUT.GPIO_Label=tack_B
+PF1-OSC_OUT.GPIO_PuPd=GPIO_PULLUP
 PF1-OSC_OUT.Locked=true
 PF1-OSC_OUT.Signal=GPIO_Input
 PinOutPanel.RotationAngle=0
@@ -130,4 +132,3 @@ VP_SYS_VS_Systick.Signal=SYS_VS_Systick
 VP_TIM14_VS_ClockSourceINT.Mode=Enable_Timer
 VP_TIM14_VS_ClockSourceINT.Signal=TIM14_VS_ClockSourceINT
 board=custom
-isbadioc=false