diff --git a/README.md b/README.md
index 44ea367..aff2417 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ MultiButton的作者是0x1abin, github地址: https://github.com/0x1abin/MultiBu
 1.先申请一个按键结构
 
 ```c
-struct Button button1;
+struct button button1;
 ```
 2.初始化按键对象，绑定按键的GPIO电平读取接口**read_button_pin()** ，后一个参数设置有效触发电平
 
@@ -46,20 +46,22 @@ while(1) {
 MultiButton 使用C语言实现，基于面向对象方式设计思路，每个按键对象单独用一份数据结构管理：
 
 ```c
-struct Button {
-	uint16_t ticks;
-	uint8_t  repeat: 4;
-	uint8_t  event : 4;
-	uint8_t  state : 3;
-	uint8_t  debounce_cnt : 3; 
-	uint8_t  active_level : 1;
-	uint8_t  button_level : 1;
-	uint8_t  (*hal_button_Level)(void);
-	BtnCallback  cb[number_of_event];
-	struct Button* next;
+struct button {
+    uint16_t ticks;
+    uint16_t short_ticks;
+    uint16_t long_ticks;
+    uint8_t  repeat       : 4;
+    uint8_t  event        : 4;
+    uint8_t  state        : 3;
+    uint8_t  debounce_cnt : 3;
+    uint8_t  active_level : 1;
+    uint8_t  button_level : 1;
+    uint8_t  (*hal_button_Level)(void);
+    BtnCallback  cb[number_of_event];
+    button_t next;
 };
 ```
-这样每个按键使用单向链表相连，依次进入 button_handler(struct Button* handle) 状态机处理，所以每个按键的状态彼此独立。
+这样每个按键使用单向链表相连，依次进入 button_handler(button_t handle) 状态机处理，所以每个按键的状态彼此独立。
 
 
 ## 按键事件
@@ -78,9 +80,9 @@ LONG_PRESS_HOLD | 长按期间一直触发
 ## Examples
 
 ```c
-#include "button.h"
+#include <multi_button.h>
 
-struct Button btn1;
+struct button btn1;
 
 uint8_t read_button1_GPIO() 
 {
diff --git a/examples/event_async.c b/examples/event_async.c
index c14068b..83ecb4f 100644
--- a/examples/event_async.c
+++ b/examples/event_async.c
@@ -1,6 +1,6 @@
 #include <rtthread.h>
 #include <rtdevice.h>
-#include "multi_button.h"
+#include <multi_button.h>
 
 static struct button btn;
 
@@ -15,7 +15,7 @@ void button_callback(void *btn)
 {
     uint32_t btn_event_val;
 
-    btn_event_val = get_button_event((struct button *)btn);
+    btn_event_val = get_button_event((button_t)btn);
 
     switch(btn_event_val)
     {
diff --git a/examples/event_inquire.c b/examples/event_inquire.c
index a84eaed..bcf6d72 100644
--- a/examples/event_inquire.c
+++ b/examples/event_inquire.c
@@ -1,6 +1,6 @@
 #include <rtthread.h>
 #include <rtdevice.h>
-#include "multi_button.h"
+#include <multi_button.h>
 
 static struct button btn;
 
diff --git a/multi_button.c b/multi_button.c
index 9d47afd..5fadc55 100644
--- a/multi_button.c
+++ b/multi_button.c
@@ -18,9 +18,10 @@
  */
 #include "multi_button.h"
 
-#define EVENT_CB(ev) if(handle->cb[ev]) handle->cb[ev]((button*)handle)
+#define EVENT_CB(ev) if(handle->cb[ev]) handle->cb[ev]((void*)handle)
+#define PRESS_REPEAT_MAX_NUM  15 /*!< The maximum value of the repeat counter */
 
-static struct button* head_handle = NULL;
+static button_t head_handle = NULL;
 
 /**
   * @brief  Initializes the button struct handle.
@@ -29,13 +30,15 @@ static struct button* head_handle = NULL;
   * @param  active_level: pin pressed level.
   * @retval None
   */
-void button_init(struct button* handle, uint8_t(*pin_level)(void), uint8_t active_level)
+void button_init(button_t handle, uint8_t(*pin_level)(void), uint8_t active_level)
 {
     memset(handle, 0, sizeof(struct button));
     handle->event = (uint8_t)NONE_PRESS;
     handle->hal_button_Level = pin_level;
-    handle->button_level = handle->hal_button_Level();
+    handle->button_level = !active_level;
     handle->active_level = active_level;
+    handle->short_ticks = SHORT_TICKS;
+    handle->long_ticks = LONG_TICKS;
 }
 
 /**
@@ -45,17 +48,39 @@ void button_init(struct button* handle, uint8_t(*pin_level)(void), uint8_t activ
   * @param  cb: callback function.
   * @retval None
   */
-void button_attach(struct button* handle, PressEvent event, BtnCallback cb)
+void button_attach(button_t handle, PressEvent event, BtnCallback cb)
 {
     handle->cb[event] = cb;
 }
 
+/**
+  * @brief  Attach the button adjust ticks
+  * @param  handle: the button handle strcut.
+  * @param  ticks: judge short ticks(unit:ms)
+  * @retval None
+  */
+void button_set_short_ticks(button_t handle, uint16_t ticks)
+{
+    handle->short_ticks = ticks / TICKS_INTERVAL;
+}
+
+/**
+  * @brief  Attach the button adjust long ticks
+  * @param  handle: the button handle strcut.
+  * @param  ticks: judge long ticks(unit:ms)
+  * @retval None
+  */
+void button_set_long_ticks(button_t handle, uint16_t ticks)
+{
+    handle->long_ticks = ticks / TICKS_INTERVAL;
+}
+
 /**
   * @brief  Inquire the button event happen.
   * @param  handle: the button handle struct.
   * @retval button event.
   */
-PressEvent get_button_event(struct button* handle)
+PressEvent get_button_event(button_t handle)
 {
     return (PressEvent)(handle->event);
 }
@@ -65,7 +90,7 @@ PressEvent get_button_event(struct button* handle)
   * @param  handle: the button handle struct.
   * @retval None
   */
-static void button_handler(struct button* handle)
+static void button_handler(button_t handle)
 {
     uint8_t read_gpio_level = handle->hal_button_Level();
 
@@ -117,9 +142,8 @@ static void button_handler(struct button* handle)
             EVENT_CB(PRESS_UP);
             handle->ticks = 0;
             handle->state = 2;
-
         }
-        else if(handle->ticks > LONG_TICKS)
+        else if(handle->ticks > handle->long_ticks)
         {
             handle->event = (uint8_t)LONG_PRESS_START;
             EVENT_CB(LONG_PRESS_START);
@@ -132,12 +156,15 @@ static void button_handler(struct button* handle)
         {
             handle->event = (uint8_t)PRESS_DOWN;
             EVENT_CB(PRESS_DOWN);
-            handle->repeat++;
+            if(handle->repeat != PRESS_REPEAT_MAX_NUM)
+            {
+                handle->repeat++;
+            }
             EVENT_CB(PRESS_REPEAT);
             handle->ticks = 0;
             handle->state = 3;
         }
-        else if(handle->ticks > SHORT_TICKS)
+        else if(handle->ticks > handle->short_ticks)
         {
             if(handle->repeat == 1)
             {
@@ -159,7 +186,7 @@ static void button_handler(struct button* handle)
             handle->event = (uint8_t)PRESS_UP;
             EVENT_CB(PRESS_UP);
 
-            if(handle->ticks < SHORT_TICKS)
+            if(handle->ticks < handle->short_ticks)
             {
                 handle->ticks = 0;
                 handle->state = 2;
@@ -169,7 +196,7 @@ static void button_handler(struct button* handle)
                 handle->state = 0;
             }
         }
-        else if(handle->ticks > SHORT_TICKS) // SHORT_TICKS < press down hold time < LONG_TICKS
+        else if(handle->ticks > handle->short_ticks) // SHORT_TICKS < press down hold time < LONG_TICKS
         {
             handle->state = 1;
         }
@@ -204,9 +231,9 @@ static void button_handler(struct button* handle)
   * @param  handle: target handle struct.
   * @retval 0: succeed. -1: already exist.
   */
-int button_start(struct button* handle)
+int button_start(button_t handle)
 {
-    struct button* target = head_handle;
+    button_t target = head_handle;
 
     while(target)
     {
@@ -229,13 +256,13 @@ int button_start(struct button* handle)
   * @param  handle: target handle struct.
   * @retval None
   */
-void button_stop(struct button* handle)
+void button_stop(button_t handle)
 {
-    struct button** curr;
+    button_t* curr;
 
     for(curr = &head_handle; *curr;)
     {
-        struct button* entry = *curr;
+        button_t entry = *curr;
 
         if (entry == handle)
         {
@@ -256,7 +283,7 @@ void button_stop(struct button* handle)
   */
 void button_ticks(void)
 {
-    struct button* target;
+    button_t target;
 
     for(target = head_handle; target != NULL; target = target->next)
     {
diff --git a/multi_button.h b/multi_button.h
index 02aa33d..851a5c5 100644
--- a/multi_button.h
+++ b/multi_button.h
@@ -25,8 +25,12 @@ typedef enum {
     NONE_PRESS
 }PressEvent;
 
-typedef struct button {
+
+typedef struct button *button_t;
+struct button {
     uint16_t ticks;
+    uint16_t short_ticks;
+    uint16_t long_ticks;
     uint8_t  repeat       : 4;
     uint8_t  event        : 4;
     uint8_t  state        : 3;
@@ -35,19 +39,21 @@ typedef struct button {
     uint8_t  button_level : 1;
     uint8_t  (*hal_button_Level)(void);
     BtnCallback  cb[number_of_event];
-    struct button* next;
-}button;
+    button_t next;
+};
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-void button_init(struct button* handle, uint8_t(*pin_level)(void), uint8_t active_level);
-void button_attach(struct button* handle, PressEvent event, BtnCallback cb);
-PressEvent get_button_event(struct button* handle);
-int  button_start(struct button* handle);
-void button_stop(struct button* handle);
+void button_init(button_t handle, uint8_t(*pin_level)(void), uint8_t active_level);
+void button_attach(button_t handle, PressEvent event, BtnCallback cb);
+PressEvent get_button_event(button_t handle);
+int  button_start(button_t handle);
+void button_stop(button_t handle);
 void button_ticks(void);
+void button_set_short_ticks(button_t handle, uint16_t ticks);
+void button_set_long_ticks(button_t handle, uint16_t ticks);
 
 #ifdef __cplusplus
 }