Merge branch 'feature/zs-3.21.00000' into 'teasing/3.21.0'

视频问题修复

See merge request com.pica.cloud.education.frontend/pica.cloud.web-education-admin!350

src/views/goods/create-good.vue

@@ -101,7 +101,8 @@
                 <img  class="bg-img" src="../../assets/image/video.png" v-if="videoList.length <1"/>
                 <div class="limit-text" v-if="videoList.length <1">
                   <p>建议大小：20M以内</p>
-                  <p>仅支持MP4格式</p>               
+                  <p>仅支持MP4格式</p>  
+                  <P>建议视频文件名格式：举例（GXY_001_02_03.mp4)</P>             
                 </div>              
               </el-upload>