diff --git a/arch_spec.md b/arch_spec.md
index ec185ea8..45331e0a 100644
--- a/arch_spec.md
+++ b/arch_spec.md
@@ -94,6 +94,5 @@
     ├── los_hook.h
     ├── los_list.h                                             --- Doubly linked list
     └── los_reg.h                                              --- Register macros
-    └── src
 ```
 
diff --git a/arch_spec_zh.md b/arch_spec_zh.md
index 7ddf0406..26fa35c7 100644
--- a/arch_spec_zh.md
+++ b/arch_spec_zh.md
@@ -93,6 +93,5 @@
     ├── los_hook.h
     ├── los_list.h                                              --- 双向链表
     └── los_reg.h                                               --- 寄存器读写宏定义
-    └── src
 ```