视频课声部

src/teacher/video-class/class-info.tsx

@@ -126,6 +126,7 @@ export default defineComponent({
               }}
               rules={[{ required: true, message: '请选择课程声部' }]}
               placeholder="请选择课程声部"
+              disabled={createState.groupId ? true : false}
             />
           </ColField>
         </ColFieldGroup>