diff --git a/docs/tutorial.md b/docs/tutorial.md
index c3faabbf66..edf655d080 100644
--- a/docs/tutorial.md
+++ b/docs/tutorial.md
@@ -241,7 +241,7 @@ pipenv run dev
 pipenv run service
 ```
 
-### GUI 软件
+## GUI 软件
 
 1. 下载[IPTV-API 更新软件](https://github.com/Guovin/iptv-api/releases)，打开软件，点击更新，即可完成更新
 
diff --git a/docs/tutorial_en.md b/docs/tutorial_en.md
index 7773525b73..e9cdd20960 100644
--- a/docs/tutorial_en.md
+++ b/docs/tutorial_en.md
@@ -264,7 +264,7 @@ Start the service:
 pipenv run service
 ```
 
-### GUI Software
+## GUI Software
 
 1. Download the [IPTV-API update software](https://github.com/Guovin/iptv-api/releases), open the software, and click
    update to complete the update.