diff --git a/docs/tutorial-basics/ttl-flash.md b/docs/tutorial-basics/ttl-flash.md
index 48169dd..a10d5c6 100644
--- a/docs/tutorial-basics/ttl-flash.md
+++ b/docs/tutorial-basics/ttl-flash.md
@@ -17,7 +17,7 @@ sidebar_position: 1
 | Windows    | [海兔工具Windows版](https://node2.histb.com/update/soft_init/hitool/HiTool-windows.7z)	 |	[海兔工具Windows版](https://node2.histb.com/update/soft_init/hitool/HiTool-windows.7z)   | 
 | Linux      | [海兔工具Linux版](https://node2.histb.com/update/soft_init/hitool/hitool_linux.tar.gz)| [海兔工具Linux版](https://node2.histb.com/update/soft_init/hitool/hitool_linux.tar.gz)| 
 
-![usb2ttl](/img/ch340.png)![杜邦线](/img/hitool-ttl-line.png)
+![usb2ttl](/img/ch340.png) ![杜邦线](/img/hitool-ttl-line.png)
 
 
 ## 确认机顶盒reg名称