diff --git a/source/rt_thread/board.c b/source/rt_thread/board.c
index 93250af..4b46140 100644
--- a/source/rt_thread/board.c
+++ b/source/rt_thread/board.c
@@ -55,7 +55,7 @@ RT_WEAK void *rt_heap_end_get(void)
 void rt_hw_board_init()
 {	
   NVIC_SetVectorTable(NVIC_VectTab_FLASH,0x20000);
-	// 1ms一个tick
+	// 1ms涓�涓猼ick
 	_SysTick_Config (168000000/1000);
   rt_system_heap_init(rt_heap_begin_get(),rt_heap_end_get());
   mem_init();
@@ -137,8 +137,8 @@ typedef struct _params_def{
   struct _params_def *next;
 }params_def;
 static params_def *g_parhead=0;
-// 设置变量，返回变量指针
-// 如果变量已设置，则返回之前设置的变量指针
+// 璁剧疆鍙橀噺锛岃繑鍥炲彉閲忔寚閽�
+// 濡傛灉鍙橀噺宸茶缃紝鍒欒繑鍥炰箣鍓嶈缃殑鍙橀噺鎸囬拡
 void *app_variable(const char *name,void *p,void (*del)(void *t))
 {
   params_def *t=g_parhead;
@@ -173,7 +173,7 @@ void *app_variable(const char *name,void *p,void (*del)(void *t))
   }
   return 0;
 }
-// 在变量有效时调用
+// 鍦ㄥ彉閲忔湁鏁堟椂璋冪敤
 void app_valid_call(const char *name,void (*fun)(void *t),void *t)
 {
   void *par=app_variable(name,0,0);
@@ -181,7 +181,7 @@ void app_valid_call(const char *name,void (*fun)(void *t),void *t)
   if(par){
     fun(t);
   }else{
-    // 把函数挂在变量上
+    // 鎶婂嚱鏁版寕鍦ㄥ彉閲忎笂
     params_def *t=g_parhead;
     params_def *prev=0;
     if(name){
diff --git a/source/rt_thread/board.h b/source/rt_thread/board.h
index b3c45e5..adc13d2 100644
--- a/source/rt_thread/board.h
+++ b/source/rt_thread/board.h
@@ -131,7 +131,7 @@ void param_err_handle(const char *param,const char *file,const char *fun,int lin
 
 void cpy4byte(uint32_t *dst,uint32_t *src,int num_4byte);
 
-// 锟斤拷锟絪==0,锟斤拷锟接�
+// 濡傛灉s==0,鍒欐墦鍗�
 #define param_check(s)  \
   if((s)==0){\
     param_err_handle(#s,__FILE__,__func__,__LINE__);}
@@ -176,12 +176,12 @@ void __interrupt_enable(uint32_t level);
 #define MEM_ADDR(addr)  *((volatile uint32_t  *)(addr)) 
 #define BIT_ADDR(addr, bitnum)   (MEM_ADDR(BITBAND(addr, bitnum)))
 
-// 锟斤拷取锟斤拷锟斤拷拇锟斤拷锟斤拷锟街穝=A~I
+// 鑾峰彇杈撳嚭瀵勫瓨鍣ㄥ湴鍧�s=A~I
 #define GPIOx_ODR_ADDR(s) (GPIO##s##_BASE+20)
-// 锟斤拷取锟斤拷锟斤拷拇锟斤拷锟斤拷锟街穝=A~I
+// 鑾峰彇杈撳叆瀵勫瓨鍣ㄥ湴鍧�s=A~I
 #define GPIOx_IDR_ADDR(s) (GPIO##s##_BASE+16)
 
-// gpio锟斤拷锟斤拷锟絪=A~I,n=0~15
+// gpio杈撳嚭锛宻=A~I,n=0~15
 #define PINOUT(s,n)   BIT_ADDR(GPIOx_ODR_ADDR(s),n)
 #define PININ(s,n)    BIT_ADDR(GPIOx_IDR_ADDR(s),n)
     
diff --git a/source/rt_thread/core_delay.c b/source/rt_thread/core_delay.c
index e462f29..8939275 100644
--- a/source/rt_thread/core_delay.c
+++ b/source/rt_thread/core_delay.c
@@ -14,7 +14,7 @@
 
 
 
-//获取系统主频
+//鑾峰彇绯荤粺涓婚
 static uint32_t get_sys_clocks_freq (void)
 {
 	RCC_ClocksTypeDef t={0};
@@ -47,13 +47,13 @@ static uint32_t delay_get_tick(void)
 
 
 
-// 低于1ms的精确延时
+// 浣庝簬1ms鐨勭簿纭欢鏃�
 void delay_us(uint32_t us)
 {
   uint32_t ticks;
   uint32_t told, tnow, tcnt=0;
 
-  /* 需要的节拍数 */
+  /* 闇�瑕佺殑鑺傛媿鏁� */
   ticks = us * (get_sys_clocks_freq() / 1000000);
   tcnt = 0;
   told = (uint32_t)delay_get_cnt();
@@ -63,12 +63,12 @@ void delay_us(uint32_t us)
     tnow = (uint32_t)delay_get_cnt();
     if (tnow != told) 
     {
-      /* 32 位计数器是递增计数器 */
+      /* 32 浣嶈鏁板櫒鏄�掑璁℃暟鍣� */
       if (tnow > told) 
       {
         tcnt += tnow - told;
       }
-      /* 重新装载 */
+      /* 閲嶆柊瑁呰浇 */
       else 
       {
         tcnt += UINT32_MAX - told + tnow;
@@ -76,14 +76,14 @@ void delay_us(uint32_t us)
 
       told = tnow;
 
-      /*时间超过/等于要延迟的时间,则退出 */
+      /*鏃堕棿瓒呰繃/绛変簬瑕佸欢杩熺殑鏃堕棿,鍒欓��鍑� */
       if (tcnt >= ticks)break;
     }
   }
 }
 
 
-// 实现rt_thread 的us级延时
+// 瀹炵幇rt_thread 鐨剈s绾у欢鏃�
 void rt_hw_us_delay(rt_uint32_t us)
 {
   delay_us(us);