feat:优化新建线上课视频列表

src/modules/course-manage/components/GraphicsEditor.less

@@ -52,7 +52,7 @@
     }
   }
   &.introduce {
-    height: 200px;
+    height: 240px;
     .w-e-text-container {
       height: ~'calc(100% - 69px)' !important;
     }

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

@@ -765,7 +765,7 @@ class AddVideoCourse extends React.Component {
                     {
                       _.map(courseChapterList,(item,index) => {
                         return <div className='course-ware' key={index}>
-                              <div>{`0${index + 1 } `}</div>
+                              <div className="course-ware__index">{`0${index + 1 } `}</div>
                               <img className='course-ware__img' src={courseWareIcon} alt='' />
                               <div className='course-ware__name'>{item.mediaName && item.mediaName.length > 24 ? <Tooltip title={item.mediaName}>{item.mediaName}</Tooltip>:item.mediaName}</div>
                               <div className="course-chapter__opt" id={item.id}>

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

@@ -56,7 +56,9 @@
       display: flex;
       align-items: center;
       margin-bottom: 4px;
-
+      &__index {
+        width: 18px;
+      }
       &__img {
         width: 24px;
         margin-right: 4px;

src/modules/course-manage/video-course/components/AddVideoIntro.jsx

@@ -156,7 +156,7 @@ class AddVideoIntro extends React.Component {
           </div>
         </div>
         <div className="introduce">
-          <span className="label">线上课简介：</span>
+          <span className="label">课程简介：</span>
           <div className="content">
             <div className="intro-list">
               <div className="intro-list__item introduce-editor">