1.修复定时不准的问题。

device/timer/timer.c

@@ -289,12 +289,10 @@ void mr_timer_device_isr(mr_timer_t timer, mr_uint32_t event)
         case MR_TIMER_EVENT_PIT_INT:
         {
             timer->overflow++;
+            timer->cycles--;
 
             /* Timeout */
-            if (timer->cycles != 0)
-            {
-                timer->cycles--;
-            } else
+            if (timer->cycles == 0)
             {
                 timer->cycles = timer->reload;
                 timer->overflow = 0;

document/user/auto_init.md

@@ -13,7 +13,7 @@
 | 3    | MR_INIT_MODULE_EXPORT   | 组件初始化   |
 | 4    | MR_INIT_APP_EXPORT      | 应用初始化   |
 
-![流程图](https://gitee.com/MacRsh/mr-library/raw/master/document/resource/auto_init_process.jpg)
+![流程图](https://gitee.com/MacRsh/mr-library/raw/develop/document/resource/auto_init_process.jpg)
 
 自动初始化仅指定类型的函数：