complete doc outline

5 files changed, 3 insertions, 1 deletions

diff --git a/docs/quick_start/rt-thread/img/1.png b/docs/quick_start/rt-thread/img/1.png
new file mode 100644
index 00000000..5176a02c
--- /dev/null
+++ b/docs/quick_start/rt-thread/img/1.png
diff --git a/docs/quick_start/rt-thread/img/2.png b/docs/quick_start/rt-thread/img/2.png
new file mode 100644
index 00000000..29d30734
--- /dev/null
+++ b/docs/quick_start/rt-thread/img/2.png
diff --git a/docs/quick_start/rt-thread/img/3.png b/docs/quick_start/rt-thread/img/3.png
new file mode 100644
index 00000000..82bb35ff
--- /dev/null
+++ b/docs/quick_start/rt-thread/img/3.png
diff --git a/docs/quick_start/rt-thread/img/rtt_host_demo.png b/docs/quick_start/rt-thread/img/rtt_host_demo.png
deleted file mode 100644
index c8fc41f1..00000000
--- a/docs/quick_start/rt-thread/img/rtt_host_demo.png
+++ /dev/null
diff --git a/docs/quick_start/rt-thread/rt-thread_zh.md b/docs/quick_start/rt-thread/rt-thread_zh.md
index fa038aaf..561f657d 100644
--- a/docs/quick_start/rt-thread/rt-thread_zh.md
+++ b/docs/quick_start/rt-thread/rt-thread_zh.md
@@ -139,7 +139,9 @@ int main(void)
 ![CDC Device Demo](img/rtt_cdc_demo.png)
 - host demo
 
-![USB Host Demo](img/rtt_host_demo.png)
+![USB Host Demo1](img/1.png)
+![USB Host Demo2](img/2.png)
+![USB Host Demo3](img/3.png)
 
 ### 视频教程