优化：上传课程问题修复

src/pages/pilotTraining/courseManage/comp/addEditModal/index.tsx

@@ -165,7 +165,7 @@ const AddEditModal: React.FC<propType> = (props) => {
           name='curriculumDesc'
           rules={[{ required: true, message: '请输入课程简介' }]}
         >
-          <Input.TextArea placeholder={'请输入课程简介'} maxLength={20} allowClear showCount />
+          <Input.TextArea placeholder={'请输入课程简介'} maxLength={200} allowClear showCount />
         </Form.Item>
         <Form.Item
           label='课程封面'