fix video

tutorials/source_zh_cn/quick_start/quick_video.md

@@ -18,7 +18,7 @@
 ### CPU-Windows篇
 
 <video id="video2" controls width="1100px" height="550px" poster="https://mindspore-website.obs.cn-north-4.myhuaweicloud.com:443/teaching_video/cover/%E6%89%8B%E6%8A%8A%E6%89%8B%E7%B3%BB%E5%88%97/%E7%BD%91%E7%AB%99-%E8%A7%86%E9%A2%91%E5%B0%81%E9%9D%A2_windows%E7%AF%87%20%E5%89%AF%E6%9C%AC.png">
-<source id="mp42" src="https://mindspore-website.obs.cn-north-4.myhuaweicloud.com:443/teaching_video/video/%E6%89%8B%E6%8A%8A%E6%89%8B%E5%AE%89%E8%A3%85Windows.mp4" type="video/mp4">
+<source id="mp42" src="https://mindspore-website.obs.cn-north-4.myhuaweicloud.com:443/teaching_video/video/%E5%AE%89%E8%A3%85Windows.mp4" type="video/mp4">
 </video>
 
 **立即安装**：<https://www.mindspore.cn/install>