diff --git a/docs/tutorial-basics/n2-ttl-flash.md b/docs/tutorial-basics/n2-ttl-flash.md
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@@ -68,7 +68,7 @@ sidebar_position: 7
 
 ### 第二步：打开hitool软件工具跑码（检查盒子芯片型号参数）
 - 请按照下图的示范，进行跑码操作：  
-![ttl](pic/hitool-run-reg.png)  
+![ttl](pic/n2-terminal.jpg)  
 
 - 如果遇到跑码是乱码，请检查TTL杜邦线是否接牢，是否有交叉对调TXRX；
 - 无论如何，只有完全这正确的保证3根串口线正常通讯，才能进行刷机操作；
diff --git a/docs/tutorial-basics/pic/n2-terminal.jpg b/docs/tutorial-basics/pic/n2-terminal.jpg
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diff --git a/docs/tutorial-basics/pic/n2ns1-terminal.png:Zone.Identifier b/docs/tutorial-basics/pic/n2ns1-terminal.png:Zone.Identifier
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