RTT Nano线程创建成功，没有进入线程创建的函数运行怎么解决？

RTT Nano线程创建成功，没有进入线程创建的函数运行int main(void)
{
interrupt_config();
// gd_eval_led_init(LED1);
      ledTaskInit();
}
#include"ledTask.h"
#include
void led_thread_entry(void* p);
void led_thread_entry(void* p)
{
while(1)
{
      rt_kprintf("led_thread_entry start...\n");
}
}
void ledTaskInit(void)
{
      rt_thread_t ledThread_ptr;
      ledThread_ptr = rt_thread_create("ledThread",
                                                                  led_thread_entry,
                                                                  RT_NULL,
                                                                  512,
                                                                  10,
                                                                  50
                                                            );
if(ledThread_ptr != RT_NULL)
{
      rt_thread_startup(ledThread_ptr);
         rt_kprintf("ledThread start...\n");
}
}