diff --git a/code/esp32c3_espidf/components/lvgl b/code/esp32c3_espidf/components/lvgl
new file mode 160000
index 0000000..0a05078
--- /dev/null
+++ b/code/esp32c3_espidf/components/lvgl
@@ -0,0 +1 @@
+Subproject commit 0a050784550d3d38355ce5f1676315f881edfa4c
diff --git a/code/esp32c3_espidf/dependencies.lock b/code/esp32c3_espidf/dependencies.lock
index 2a7d37e..89bb3a2 100644
--- a/code/esp32c3_espidf/dependencies.lock
+++ b/code/esp32c3_espidf/dependencies.lock
@@ -2,7 +2,7 @@ dependencies:
   idf:
     source:
       type: idf
-    version: 5.5.2
+    version: 5.5.1
 manifest_hash: a52a8cabe7f10f1636effa39e0be0f2d62531803ed5f518e7921b728e64c8752
 target: esp32c3
 version: 2.0.0
diff --git a/code/esp32c3_espidf/main/hello_world_main.c b/code/esp32c3_espidf/main/hello_world_main.c
index d1df705..1b7b08b 100644
--- a/code/esp32c3_espidf/main/hello_world_main.c
+++ b/code/esp32c3_espidf/main/hello_world_main.c
@@ -40,14 +40,14 @@
 static const char *TAG = "SYS";
 
 // 自定义 tick 获取函数
-static uint32_t custom_tick_get(void)
-{
-    // 返回从启动到现在的毫秒数
-    // 使用64位中间变量避免溢出，采用乘以1.024的倒数近似值
-    uint64_t time_us = esp_timer_get_time();
-    return (uint32_t)((time_us * 1073) >> 20);  // 1073/2^20 ≈ 1/1000
-    //return (uint32_t)(esp_timer_get_time() / 1000);
-}
+// static uint32_t custom_tick_get(void)
+// {
+//     // 返回从启动到现在的毫秒数
+//     // 使用64位中间变量避免溢出，采用乘以1.024的倒数近似值
+//     uint64_t time_us = esp_timer_get_time();
+//     return (uint32_t)((time_us * 1073) >> 20);  // 1073/2^20 ≈ 1/1000
+//     //return (uint32_t)(esp_timer_get_time() / 1000);
+// }
 
 
 esp_timer_handle_t timer_handle;
diff --git a/code/esp32c3_espidf/main/lv_apps/helloworld/lv_helloworld.c b/code/esp32c3_espidf/main/lv_apps/helloworld/lv_helloworld.c
index 8af0ea6..6874f6e 100644
--- a/code/esp32c3_espidf/main/lv_apps/helloworld/lv_helloworld.c
+++ b/code/esp32c3_espidf/main/lv_apps/helloworld/lv_helloworld.c
@@ -9,7 +9,7 @@ LV_FONT_DECLARE(my_cn_font);
  * Create styles from scratch for buttons.
  */
 
-unsigned int t=0;
+unsigned long t=0;
 char str[32]={0};
 
 lv_obj_t *label3 ; //lv_label_create(lv_screen_active()); /*Add a label to the button*/
@@ -17,7 +17,7 @@ lv_obj_t *label3 ; //lv_label_create(lv_screen_active()); /*Add a label to the b
 
  void this_work_loop(){
      t++;
-     lv_label_set_text_fmt(label3,"这是啥xxx:%d",t);
+     lv_label_set_text_fmt(label3,"时间过去了:%lu秒",t);
      
 
 }
@@ -57,7 +57,6 @@ void lv_example_get_started_1(void)
 
     label3=lv_label_create(lv_screen_active()); /*Add a label to the button*/
     lv_obj_add_style(label3, &style_label, 0);
-    lv_label_set_text_fmt(label3,"这是xxx:%d",t);
     lv_timer_create(this_work_loop, 1000, NULL);
       
 }