diff --git "a/2025/\347\254\2546\347\273\204(GD32F527I-EVAL)/\345\221\250\345\205\250\346\235\250/\344\275\234\344\270\232/day2_homework.c" "b/2025/\347\254\2546\347\273\204(GD32F527I-EVAL)/\345\221\250\345\205\250\346\235\250/\344\275\234\344\270\232/day2_homework.c"
new file mode 100644
index 0000000000000000000000000000000000000000..3a791bf7c67a44196db8da843c4eb067f3265e7c
--- /dev/null
+++ "b/2025/\347\254\2546\347\273\204(GD32F527I-EVAL)/\345\221\250\345\205\250\346\235\250/\344\275\234\344\270\232/day2_homework.c"
@@ -0,0 +1,89 @@
+    /*
+     * Copyright (c) 2006-2018, RT-Thread Development Team
+     *
+     * SPDX-License-Identifier: Apache-2.0
+     *
+     * Change Logs:
+     * Date           Author       Notes
+     * 2018-11-06     SummerGift   first version
+     * 2018-11-19     flybreak     add stm32f407-atk-explorer bsp
+     */
+
+#include <rtthread.h>
+#include <rtdevice.h>
+#include <board.h>
+
+void high_prio_thread(void *parameter)
+{
+    int count = 0;
+    while(1)
+    {
+        rt_kprintf("High priority thread running - count: %d\r\n", count++);
+        rt_thread_mdelay(500);
+    }
+}
+
+void mid_prio_thread1(void *parameter)
+{
+    int count = 0;
+    while(1)
+    {
+        rt_kprintf("Mid priority thread 1 running - count: %d\r\n", count++);
+        rt_thread_mdelay(100);
+    }
+}
+
+void mid_prio_thread2(void *parameter)
+{
+    int count = 0;
+    while(1)
+    {
+        rt_kprintf("Mid priority thread 2 running - count: %d\r\n", count++);
+        rt_thread_mdelay(100);
+    }
+}
+
+void low_prio_thread(void *parameter)
+{
+    int count = 0;
+    while(1)
+    {
+        rt_kprintf("Low priority thread running - count: %d\r\n", count++);
+        rt_thread_mdelay(1000);
+    }
+}
+
+rt_thread_t high_tid = RT_NULL;
+rt_thread_t mid1_tid = RT_NULL;
+rt_thread_t mid2_tid = RT_NULL;
+rt_thread_t low_tid = RT_NULL;
+
+int main(void)
+{
+    high_tid = rt_thread_create("high", high_prio_thread, RT_NULL, 1024, 15, 5);         //高优先级抢占中、低优先级
+    if(high_tid != RT_NULL)
+    {
+        rt_thread_startup(high_tid);
+    }
+
+
+    mid1_tid = rt_thread_create("mid1", mid_prio_thread1, RT_NULL, 1024, 10, 5);         //中优先级轮换，和main同级
+    if(mid1_tid != RT_NULL)
+    {
+        rt_thread_startup(mid1_tid);
+    }
+
+    mid2_tid = rt_thread_create("mid2", mid_prio_thread2, RT_NULL, 1024, 10, 5);          //中优先级轮换，和main同级
+    if(mid2_tid != RT_NULL)
+    {
+        rt_thread_startup(mid2_tid);
+    }
+
+    low_tid = rt_thread_create("low", low_prio_thread, RT_NULL, 1024, 5, 5);              //低优先级，比mian低
+    if(low_tid != RT_NULL)
+    {
+        rt_thread_startup(low_tid);
+    }
+        rt_kprintf("Main thread running and exiting\r\n");
+        return RT_EOK;
+}
\ No newline at end of file
diff --git "a/2025/\347\254\2546\347\273\204(GD32F527I-EVAL)/\345\221\250\345\205\250\346\235\250/\347\254\224\350\256\260/day1\347\254\224\350\256\260.md" "b/2025/\347\254\2546\347\273\204(GD32F527I-EVAL)/\345\221\250\345\205\250\346\235\250/\347\254\224\350\256\260/day1\347\254\224\350\256\260.md"
new file mode 100644
index 0000000000000000000000000000000000000000..6a3994c2546729eff0b2d2d912a102a24132557b
--- /dev/null
+++ "b/2025/\347\254\2546\347\273\204(GD32F527I-EVAL)/\345\221\250\345\205\250\346\235\250/\347\254\224\350\256\260/day1\347\254\224\350\256\260.md"
@@ -0,0 +1,27 @@
+# Day1 Notes
+git基本使用
+git init     //初始化仓库
+
+git status
+
+git add .   //添加至暂存区
+
+git commit -m "提交说明"   //提交
+
+git log      //查看存档记录
+
+git branch -a    //查看当前所有分支
+
+git switch master     //切换分支“master”
+
+git checkout -b first    //创建分支“first"
+
+git reset --hard HEAD~     //硬重置、撤销一个git命令
+
+git reset --soft HEAD~     //软重置、回到上一步
+
+git push origin first_notes     /推送远程仓库“first_notes",或vs code上点“发布Branch”
+
+//------------------------------------------------
+
+env编码、vscode、git bash、环境搭建
\ No newline at end of file