Merge remote-tracking branch 'origin/dev_aliyun' into dev_aliyun

public/react/src/modules/courses/poll/PollNew.js

@@ -1765,12 +1765,13 @@ class PollNew extends Component {
 			max_choicess = max_choices;
 			min_choicess = min_choices;
 		}
+
 		axios.post(urlly, {
 			question_title: object.question.question_title,
 			question_type: number,
 			is_necessary: object.question.is_necessary,
-			max_choices: max_choicess,
-			min_choices: min_choicess,
+			max_choices: max_choicess===undefined?null:max_choicess===null?null:max_choicess===0?null:max_choicess,
+			min_choices: min_choicess===undefined?null:min_choicess===null?null:min_choicess===0?null:min_choicess,
 			question_answers: option,
 			question_other_answer: null,
 			insert_id: insert_id