调整

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

@@ -2146,8 +2146,19 @@ class PollNew extends Component {
 		} else {
 			for (var i = 0; i < arr.length; i++) {
 				if (index === i) {
-					arr[i].question.min_choices = parseInt(value);
+					try {
-					arr[i].question.max_choices = length;
+						if(parseInt(value)===0){
+							arr[i].question.min_choices = 2;
+							arr[i].question.max_choices = length;
+						}else{
+							arr[i].question.min_choices = parseInt(value);
+							arr[i].question.max_choices = length;
+						}
+					}catch (e) {
+						arr[i].question.min_choices = 2;
+						arr[i].question.max_choices = length;
+					}
+					break;
 				}
 			}
 			this.setState({