为什么我用ucos建立的五个任务加入了音乐播放后第五个任务就不运行了？

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#include "delay.h"#include "sys.h"#include "lcd.h"#include "sys.h"#include "gt811.h"#include "GUI.h"#include "includes.h" #include "led.h"#include "bsp_sdio_sdcard.h"#include "ff.h"#include "diskio.h"#include "GUI_Font16.h"#include "MainTask.h"#include "rtc.h" #include "adc.h" #include "dht11.h"#include "UltrasonicWave.h"#include "tiM2.h"#include "fatapp.h"#include "music.h"#include "VS10XX.h" #include "spi.h"  /////////////////////////UCOSII?????è??/////////////////////////////////////START ????//?è????????????#define START_TASK_PRIO      55 //?????????????????è????×???//?è???????????ó??#define START_STK_SIZE  64//????????OS_STK START_TASK_STK[START_STK_SIZE];//????????void start_task(void *pdata);    //LED0????//?è????????????#define LED0_TASK_PRIO       10 //?è???????????ó??#define LED0_STK_SIZE      32//????????OS_STK LED0_TASK_STK[LED0_STK_SIZE];//????????void led0_task(void *pdata);//????????//?è????????????#define Touch_TASK_Prio       3 //?è???????????ó??#define Touch_STK_SIZE      128//????????OS_STK TASK_Touch_STK[Touch_STK_SIZE];//????????void Task_Touch(void *pdata);//???§????????//?è????????????#define Menu_TASK_Prio       7 //?è???????????ó??#define Menu_STK_SIZE  1024//????????OS_STK TASK_Menu_STK[Menu_STK_SIZE];//???§????????????void Task_Menu(void *pdata);//?÷????????????//?è????????????#define Collection_TASK_Prio       6 //?è???????????ó??#define Collection_STK_SIZE      512//????????OS_STK TASK_Collection_STK[Collection_STK_SIZE];//????????????void Task_Collection(void *pdata);//??????·?????//?è????????????//#define Playmusic_TASK_Prio       5 //?è???????????ó??#define Playmusic_STK_SIZE      768//????????OS_STK TASK_Playmusic_STK[Playmusic_STK_SIZE];//????????????void Task_Playmusic(void *pdata);int main(void){delay_init();     //???±??????????NVIC_Configuration(); LED_Init();  //????????LED??????????????RTC_Init();Adc_Init();SPIx_Init();VS_Init();while(DHT11_Init());//VS_Sine_Test();//DHT11_GPIO_Config();//Read_DHT11(&DHT11_Data);TIM2_Configuration();UltrasonicWave_Configuration();while(ctp_dev.init())delay_ms(200); disk_initialize(0);filecount=FileScan("0:mp3");//  while(1)//{//MainTask();//}OSInit();   OSTaskCreate(start_task,(void *)0,(OS_STK *)&START_TASK_STK[START_STK_SIZE-1],START_TASK_PRIO );//???¨????????OSStart();}  //????????void start_task(void *pdata){     OS_CPU_SR cpu_sr=0;pdata = pdata;   OS_ENTER_CRITICAL();//??????????(??·¨±??????ò??)     OSTaskCreate(led0_task,(void *)0,(OS_STK*)&LED0_TASK_STK[LED0_STK_SIZE-1],LED0_TASK_PRIO);   OSTaskCreate(Task_Menu, (void * )0, (OS_STK *)&TASK_Menu_STK[Menu_STK_SIZE-1], Menu_TASK_Prio);OSTaskCreate(Task_Touch, (void * )0, (OS_STK *)&TASK_Touch_STK[Touch_STK_SIZE-1], Touch_TASK_Prio);OSTaskCreate(Task_Collection, (void * )0, (OS_STK *)&TASK_Collection_STK[Collection_STK_SIZE-1], Collection_TASK_Prio);OSTaskCreate(Task_Playmusic, (void * )0, (OS_STK *)&TASK_Playmusic_STK[Playmusic_STK_SIZE-1], Playmusic_TASK_Prio); //OSTaskSuspend(Playmusic_TASK_Prio);   OSTaskSuspend(START_TASK_PRIO);//????????????.OS_EXIT_CRITICAL();//??????????(????±??????ò??)}//LED0????void led0_task(void *pdata){ while(1){LED1=0;delay_ms(80);LED1=1;delay_ms(920);};}//???§????????void Task_Menu(void *pdata){while(1){MainTask(); }}//??????·?????void Task_Playmusic(void *pdata){uint8_t filePath[20];  while(1){strcpy((char *)filePath, "0:mp3/"); // °????????·??????tempPath????strcat((char *)filePath, (char *)(FileN[file_num])); play_mp3((char *)filePath);delay_ms(6);};}//????????void Task_Touch(void *pdata){  while(1){GUI_TOUCH_Exec();delay_ms(10);};}//????????void Task_Collection(void *pdata){u16 adcx;u16 humi_int_temp;u16 temp_int_temp;u16 adc_t;while (1) {DHT11_Read_Data(&temperature,&humidity);//????????????if(humi_int_temp!=humidity)water_fRefresh=1;delay_ms(300);if(temp_int_temp!=temperature)temp_fRefresh=1;delay_ms(300);adcx=Get_Adc_Average(ADC_Channel_1,10);adc_temp=adcx*(3.3/4096)*100;if(adc_t!=adc_temp)co2_fRefresh=1;delay_ms(300);UltrasonicWave_StartMeasure();delay_ms(300);}}
为什么我一加入了音乐播放的任务，屏幕的任务就不运行了呢？