diff --git a/docs/company_introduction_video_xixuan.md b/docs/company_introduction_video_xixuan.md
index 26470ed..1a03ee9 100644
--- a/docs/company_introduction_video_xixuan.md
+++ b/docs/company_introduction_video_xixuan.md
@@ -3,7 +3,7 @@
 <iframe src="https://5docs.oss-cn-shanghai.aliyuncs.com/res/公司介绍/Installation process .mp4"  height=900px > </iframe>
 
 ###  选型
-<iframe src="https://5docs.oss-cn-shanghai.aliyuncs.com/res/公司介绍/Video data（活楼芯选）.avi"  height=900px> </iframe>
+<iframe src="https://5docs.oss-cn-shanghai.aliyuncs.com/res/公司介绍/Video data（活楼芯选）.mp4"  height=900px> </iframe>
 
 ###  室内
 <iframe src="https://5docs.oss-cn-shanghai.aliyuncs.com/res/公司介绍/Video data（室内）.mp4"  height=900px > </iframe>