feat:新建线上课样式优化

src/modules/course-manage/video-course/AddVideoCourse.less

@@ -168,7 +168,7 @@
         left: 1px;
         left: 1px;
         z-index: 10;
         z-index: 10;
         background: #fff;
         background: #fff;
-        width: 550px;
+        width: 630px;
         text-indent: 16px;
         text-indent: 16px;
         line-height: 40px;
         line-height: 40px;
       }
       }