UCGUI按键不执行相应的功能

#include "led.h"#include "delay.h"#include "sys.h"#include "key.h"#include "button.h"#include "timer.h"#include "my_lcd.h"#include "gui.h"#include "lcd.h"#include "touch.h"#include "LCD_Protected.h"
//旺宝GUI_PID_STATE STATE;//该变量为GUI触屏的x y位置存储坐标（内部已将其换算为屏幕坐标了）
BUTTON_Handle hButton0;BUTTON_Handle hButton1;
u8 Key = 0;
int main(void){SystemInit();delay_init(72);LED_Init();KEY_Init();Timerx_Init(100,7199);StartTouch();GUI_Init();GUI_SetBkColor(GUI_RED);GUI_SetColor(GUI_WHITE);GUI_Clear();
GUI_SetFont(&GUI_Font8x16);GUI_DispStringHCenterAt("Click on button...",160,0);hButton0 = BUTTON_Create(110, 20, 100, 40, GUI_ID_BUTTON0, WM_CF_SHOW);hButton1 = BUTTON_Create(110, 80, 100, 40, GUI_ID_BUTTON1, WM_CF_SHOW);BUTTON_SetBkColor(hButton0, 1, GUI_RED);BUTTON_SetBkColor(hButton1, 1, GUI_BLUE);BUTTON_SetText(hButton0,"Click me...");BUTTON_SetText(hButton1,"my love...");WM_Paint(hButton0);WM_Paint(hButton1);
while(1){GUI_TOUCH_GetState(&STATE);GUI_DispStringAt("x:", 0, 200);GUI_DispDec(STATE.x, 3);GUI_DispStringAt("y:", 0, 250);GUI_DispDec(STATE.y, 3);if (STATE.Pressed == 1){
GUI_CURSOR_SetPosition(STATE.x, STATE.y);GUI_CURSOR_Show();}delay_ms(1);Key = GUI_WaitKey();////Key=GUI_GetKey();//switch(GUI_GetKey())//{//case   GUI_ID_BUTTON0://GUI_DispStringAt("my love",0,240);//GUI_Delay(500); //GUI_Exec();//break;//case   GUI_ID_BUTTON1://GUI_DispStringAt("my hate",0,200);//GUI_Delay(500); //GUI_Exec();//break;//}//GUI_Exec();//Key=GUI_GetKey();if(Key==GUI_ID_BUTTON0){GUI_DispStringAt("my love",0,240);GUI_Delay(500);}if(Key==GUI_ID_BUTTON1){GUI_DispStringAt("my hate",0,240);GUI_Delay(500);}}
}
void TIM3_IRQHandler(void)   //TIM3中断{if (TIM_GetITStatus(TIM3, TIM_IT_Update) != RESET) //检查指定的TIM中断发生与否:TIM 中断源 {GUI_TOUCH_Exec();
TIM_ClearITPendingBit(TIM3, TIM_IT_Update  );  //清除TIMx的中断待处理位:TIM 中断源 }}
按键的动态效果很好，只是不执行相应的功能，大家帮忙看下这是怎么回事！