diff --git a/lib/tft/inc/tft.h b/lib/tft/inc/tft.h
index 5e1f403..59310f8 100644
--- a/lib/tft/inc/tft.h
+++ b/lib/tft/inc/tft.h
@@ -348,6 +348,20 @@ void TFT_ShowNum(TFT_T *dev, uint16_t x, uint16_t y, uint32_t num, uint16_t len,
 **/
 void TFT_ShowPic(TFT_T *dev, uint16_t x0, uint16_t y0, uint16_t w, uint16_t h, TFT_Color_t *bmp);
 
+/**
+ * @brief   在屏幕上显示进度条
+ * @param   dev: [输入] TFT设备指针
+ * @param   x: [输入] 进度条左上角x坐标
+ * @param   y: [输入] 进度条左上角y坐标
+ * @param   width: [输入] 进度条宽度
+ * @param   height: [输入] 进度条高度
+ * @param   progress: [输入] 进度值，范围[0.0, 1.0]
+ * @return  void
+ * @example TFT_ShowBar(&tft_device, 10, 20, 100, 10, 0.75);
+**/
+void TFT_ShowBar(TFT_T *dev, uint16_t x, uint16_t y, uint16_t width, uint16_t height, float progress);
+
+
 #ifdef LVGL_FONT
 
 #include "lvgl_font.h"
@@ -364,8 +378,9 @@ void TFT_ShowPic(TFT_T *dev, uint16_t x0, uint16_t y0, uint16_t w, uint16_t h, T
  * @example TFT_DisplayString(&oled_device, &font_arial_16, "Hello World", 10, 20,bool mode);
 **/
 void TFT_DisplayString(TFT_T *dev, const lv_font_t *font, uint8_t *s, uint16_t x, uint16_t y);
-
 #endif
+
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/lib/tft/tft.cpp b/lib/tft/tft.cpp
index 97156a5..0b5fa11 100644
--- a/lib/tft/tft.cpp
+++ b/lib/tft/tft.cpp
@@ -439,3 +439,36 @@ void TFT_ShowPic(TFT_T *dev, uint16_t x, uint16_t y, uint16_t width, uint16_t he
         bmp+=width;
     }
 }
+
+uint16_t invertRGB565(uint16_t color) {
+    // 分离颜色分量
+    uint8_t r = (color >> 11) & 0x1F; // 取出红色分量
+    uint8_t g = (color >> 5) & 0x3F;  // 取出绿色分量
+    uint8_t b = color & 0x1F;         // 取出蓝色分量
+
+    // 取反颜色分量
+    r = 31 - r;
+    g = 63 - g;
+    b = 31 - b;
+
+    // 重新组合颜色分量
+    return (r << 11) | (g << 5) | b;
+}
+
+void TFT_ShowBar(TFT_T *dev, uint16_t x, uint16_t y, uint16_t width, uint16_t height, float progress) {
+    if (x + width > dev->width || y + height > dev->height || progress > 1)return;
+    uint16_t xp = (width - x) * progress;
+    TFT_Fill(dev, x, y, xp, height, POINT_COLOR);
+    if (progress < 1)TFT_Fill(dev, xp, y, width, height, BACK_COLOR);
+    if (height >= 12 && height < 32) {
+        uint8_t tmp[7];
+        uint16_t sp = (width - x) / 2 - 30;
+        TFT_Color_t temp = POINT_COLOR;
+        POINT_COLOR.u16 = invertRGB565(POINT_COLOR.u16);
+        sprintf(tmp, "%05.2f%%", progress * 100);
+        if (xp < sp)TFT_ShowString(dev, sp, y, tmp, (height >= 24) ? 24 : (height >= 16) ? 16 : 12, 0);
+        else TFT_ShowString(dev, sp, y, tmp, (height >= 24) ? 24 : (height >= 16) ? 16 : 12, 1);
+        POINT_COLOR = temp;
+
+    }
+}