feat:处理讲师和助教不是同一个人

src/modules/course-manage/components/AddLiveClass.jsx

@@ -253,7 +253,6 @@ class AddLiveClass extends React.Component {
               style={{ width: 240, marginTop: 6 }}
               disabled={!isEdit ? true: false}
               showSearch
-              allowClear
               value={teacherId}
               filterOption={(input, option) => option}
               onPopupScroll={this.handleScrollTeacherList}
@@ -270,9 +269,11 @@ class AddLiveClass extends React.Component {
               }}
             >
               {_.map(teacherList, (item, index) => {
-                return (
-                  <Select.Option value={item.userId} key={item.userId}>{item.nickName}</Select.Option>
-                );
+                if( !assistant.includes(item.userId) ){
+                  return (
+                    <Select.Option value={item.userId} key={item.userId}>{item.nickName}</Select.Option>
+                  );
+                }
               })}
             </Select>
           </div>