diff --git a/rt-thread-version/rt-thread-standard/tutorial/quick-start/stm32f407-atk-explorer/quick-start.md b/rt-thread-version/rt-thread-standard/tutorial/quick-start/stm32f407-atk-explorer/quick-start.md
index 7d7c6b8cfdbbb61e6fc3930ed94bfd48d21ed290..8c3f78d39dac02d4812ebe24a82980cfd7ca86c7 100644
--- a/rt-thread-version/rt-thread-standard/tutorial/quick-start/stm32f407-atk-explorer/quick-start.md
+++ b/rt-thread-version/rt-thread-standard/tutorial/quick-start/stm32f407-atk-explorer/quick-start.md
@@ -31,7 +31,7 @@
2. 源码获取
-
+ ,在 Assets 中下载压缩包获取最新稳定版代码。
[源码目录说明](../src_code_introduction/rtthread_dir.md)