diff --git a/demo/oled/test.c b/demo/oled/test.c
index 6948eb4..31b9862 100644
--- a/demo/oled/test.c
+++ b/demo/oled/test.c
@@ -3,40 +3,34 @@
 #include "log.h"
 #include "tool.h"
 #include "t_oled.h"
-#include <windows.h>
 
-uint8_t Cmd(uint8_t *data, size_t l) {
+void Cmd(uint8_t *data, size_t l) {
     Buf_Print("Cmd", data, l, 16);
 }
 
-uint8_t Data(uint8_t *data, size_t l) {
+void Data(uint8_t *data, size_t l) {
     Buf_Print("Data", data, l, 16);
 }
 
 void Refresh_Call(OLED_T *dev) {
     LOGT("OLED", "CALL");
-    Buf_Print("Buf", dev->buf, dev->width * (dev->height / 8), 16);
+    BufPrint("Buf", dev->buf, T_U8, dev->width * (dev->height / 8), 16);
 }
 
-uint8_t oledbuf[8][128];
+uint8_t oledbuf[8][128] = {0};
 
 void Test_OLED() {
     OLED_T oled = {
-            .height=64,
+            .height=(uint8_t) 64,
             .width=128,
             .state=IDLE,
             .buf=oledbuf,
-            .call=Refresh_Call,
             .cmd=Cmd,
-            .data=Data
+            .data=Data,
+            .call=Refresh_Call,
     };
     OLED_Init(&oled);
-    Sleep(150);
     OLED_CLS(&oled);
-    OLED_ShowString(&oled, 0, 0, "sss", 4);
-    while (1) {
-        // 每5ms调用一次key_ticks函数
-        OLED_Refresh(&oled);
-        Sleep(5);  // 使用Windows平台的Sleep函数进行5ms延时
-    }
+    OLED_ShowString(&oled, 0, 0, "Hello", 12);
+    OLED_Refresh(&oled);
 }
\ No newline at end of file
diff --git a/lib/inc/oled/oled.h b/lib/inc/oled/oled.h
index 37c0b75..b346dd2 100644
--- a/lib/inc/oled/oled.h
+++ b/lib/inc/oled/oled.h
@@ -52,9 +52,9 @@ typedef enum {
  */
 struct OLED_Dev {
     uint8_t *buf;           /**< 显示缓冲区指针 */
-    uint8_t width: 3;        /**< 显示宽度 */
-    uint8_t height: 3;       /**< 显示高度 */
-    OLED_STATE_T state: 2;   /**< OLED状态 */
+    uint8_t width;        /**< 显示宽度 */
+    uint8_t height;       /**< 显示高度 */
+    OLED_STATE_T state;   /**< OLED状态 */
     OLED_CMD_t cmd;         /**< OLED命令处理函数指针 */
     OLED_DATA_t data;       /**< OLED数据处理函数指针 */
 #if REFRESH_CALL_ENABLE
diff --git a/lib/src/oled/oled.cpp b/lib/src/oled/oled.cpp
index 7bbc77f..1b1edf0 100644
--- a/lib/src/oled/oled.cpp
+++ b/lib/src/oled/oled.cpp
@@ -44,7 +44,6 @@ void OLED_Turn(OLED_T *dev, bool e) {
 }
 
 void OLED_Refresh(OLED_T *dev) {
-
 #if REFRESH_CALL_ENABLE
     dev->call(dev);
 #else
@@ -56,7 +55,7 @@ void OLED_Refresh(OLED_T *dev) {
             dev->cmd(cmd, 3);
             dev->data(dev->buf + (i * dev->width), dev->width);
         }
-        dev->state=IDLE;
+        dev->state = IDLE;
     }
 #endif
 }