diff --git a/public/react/src/modules/courses/poll/PollNew.js b/public/react/src/modules/courses/poll/PollNew.js
index 126cc3d92..091f45b94 100644
--- a/public/react/src/modules/courses/poll/PollNew.js
+++ b/public/react/src/modules/courses/poll/PollNew.js
@@ -975,18 +975,23 @@ class PollNew extends Component {
 				if (this.state.problemtopicbool === true) {
 					insindex = this.state.problemtopic;
 				}
-				this.createquestionsandanswers(object, 1, arrc, null, 0, 0, insindex);
+				this.createquestionsandanswers(object, 1, arrc, null, 0, 0, insindex,0);
 				// newarrpoll.push(question);
 				newarrpoll.splice(thiss.state.Insertposition, 0, question);
 
 			} else if (object.question.question_type === 2) {
 				//插入多选题
-				if (object.question.max_choices < object.question.min_choices) {
-					this.props.showNotification(`可选的最大限制不能小于最小限制`);
+				if(object.question.max_choices){
+					if(object.question.max_choices>0){
+						if (object.question.max_choices < object.question.min_choices) {
+							this.props.showNotification(`可选的最大限制不能小于最小限制`);
 
-					return;
+							return;
+						}
+					}
 				}
 
+
 				var questiontwo = {};
 				var other = [];
 				var option = [];
@@ -1035,7 +1040,7 @@ class PollNew extends Component {
 				if (this.state.problemtopicbool === true) {
 					insindex = this.state.problemtopic;
 				}
-				this.createquestionsandanswers(object, 2, arrc, null, object.question.max_choices, object.question.min_choices, insindex);
+				this.createquestionsandanswers(object, 2, arrc, null, object.question.max_choices, object.question.min_choices, insindex,object.question.answers.length);
 				//插入多选题
 				// if (object.question.max_choices > arrc.length) {
 				//     // console.log("选择题的最大可选项不能大于选项数")
@@ -1105,7 +1110,7 @@ class PollNew extends Component {
 				if (this.state.problemtopicbool === true) {
 					insindex = this.state.problemtopic;
 				}
-				this.createquestionsandanswers(object, 3, null, null, 0, 0, insindex);
+				this.createquestionsandanswers(object, 3, null, null, 0, 0, insindex,0);
 				// newarrpoll.push(question);
 				newarrpoll.splice(thiss.state.Insertposition, 0, question);
 			}
@@ -1168,23 +1173,31 @@ class PollNew extends Component {
 				question = {"question": questiontwo};
 				if (uuk !== -1) {
 					// console.log("修改")
-					this.edittotheserver(object, 1, arrc, null, 0, 0);
+					this.edittotheserver(object, 1, arrc, null, 0, 0,0);
 					newarrpoll.splice(uuk, 1, question);
 				} else {
 					// console.log("他原来的删除掉了")
-					this.createquestionsandanswers(object, 1, arrc, null, 0, 0, object.question.id);
+					this.createquestionsandanswers(object, 1, arrc, null, 0, 0, object.question.id,0);
 					newarrpoll.push(question);
 				}
 				newarr[indexo].question.new = "new"
 				// console.log(newarrpoll)
 			} else if (object.question.question_type === 2) {
 				//插入多选题
+				if(object.question.max_choices){
+					if(object.question.max_choices>0){
+						if (object.question.max_choices < object.question.min_choices) {
+							this.props.showNotification(`可选的最大限制不能小于最小限制`);
 
-				if (object.question.max_choices < object.question.min_choices) {
-					this.props.showNotification('可选的最大限制不能小于最小限制！');
-
-					return;
+							return;
+						}
+					}
 				}
+				// if (object.question.max_choices < object.question.min_choices) {
+				// 	this.props.showNotification('可选的最大限制不能小于最小限制！');
+				//
+				// 	return;
+				// }
 				var questiontwo = {};
 				var other = [];
 				var option = [];
@@ -1239,11 +1252,11 @@ class PollNew extends Component {
 				// }
 				if (uuk !== -1) {
 					// console.log("修改")
-					this.edittotheserver(object, 2, arrc, null, object.question.max_choices, object.question.min_choices);
+					this.edittotheserver(object, 2, arrc, null, object.question.max_choices, object.question.min_choices,object.question.answers.length);
 					newarrpoll.splice(uuk, 1, question);
 				} else {
 					// console.log("删除")
-					this.createquestionsandanswers(object, 2, arrc, null, object.question.max_choices, object.question.min_choices, object.question.id);
+					this.createquestionsandanswers(object, 2, arrc, null, object.question.max_choices, object.question.min_choices, object.question.id,object.question.answers.length);
 					newarrpoll.push(question);
 				}
 				// console.log(newarrpoll)
@@ -1285,11 +1298,11 @@ class PollNew extends Component {
 
 				if (uuk !== -1) {
 					// console.log("修改")
-					this.edittotheserver(object, 3, null, null, 0, 0);
+					this.edittotheserver(object, 3, null, null, 0, 0,0);
 					newarrpoll.splice(uuk, 1, question);
 				} else {
 					// console.log("删除")
-					this.createquestionsandanswers(object, 3, null, null, 0, 0, object.question.id);
+					this.createquestionsandanswers(object, 3, null, null, 0, 0, object.question.id,0);
 					newarrpoll.push(question);
 				}
 				// console.log(newarrpoll)
@@ -1457,15 +1470,24 @@ class PollNew extends Component {
 				if (this.state.problemtopicbool === true) {
 					insindex = this.state.problemtopic;
 				}
-				this.createquestionsandanswers(object, 1, arrc, null, 0, 0, insindex);
+				this.createquestionsandanswers(object, 1, arrc, null, 0, 0, insindex,0);
 				newarrpoll.splice(thiss.state.Insertposition, 0, question);
 			} else if (object.question.question_type === 2) {
 				//插入多选题
-				if (object.question.max_choices < object.question.min_choices) {
-					this.props.showNotification(`可选的最大限制不能小于最小限制`);
+				if(object.question.max_choices){
+					if(object.question.max_choices>0){
+						if (object.question.max_choices < object.question.min_choices) {
+							this.props.showNotification(`可选的最大限制不能小于最小限制`);
 
-					return;
+							return;
+						}
+					}
 				}
+				// if (object.question.max_choices < object.question.min_choices) {
+				// 	this.props.showNotification(`可选的最大限制不能小于最小限制`);
+				//
+				// 	return;
+				// }
 
 				var questiontwo = {};
 				var other = [];
@@ -1511,7 +1533,7 @@ class PollNew extends Component {
 				if (this.state.problemtopicbool === true) {
 					insindex = this.state.problemtopic;
 				}
-				this.createquestionsandanswers(object, 2, arrc, null, object.question.max_choices, object.question.min_choices, insindex);
+				this.createquestionsandanswers(object, 2, arrc, null, object.question.max_choices, object.question.min_choices, insindex,object.question.answers.length);
 				//插入多选题
 				// if (object.question.max_choices > arrc.length) {
 
@@ -1559,7 +1581,7 @@ class PollNew extends Component {
 				if (this.state.problemtopicbool === true) {
 					insindex = this.state.problemtopic;
 				}
-				this.createquestionsandanswers(object, 3, null, null, 0, 0, insindex);
+				this.createquestionsandanswers(object, 3, null, null, 0, 0, insindex,0);
 				// newarrpoll.push(question);
 				newarrpoll.splice(thiss.state.Insertposition, 0, question);
 			}
@@ -1620,21 +1642,30 @@ class PollNew extends Component {
 				question = {"question": questiontwo};
 				if (uuk !== -1) {
 					// console.log("修改")
-					this.edittotheserver(object, 1, arrc, null, 0, 0);
+					this.edittotheserver(object, 1, arrc, null, 0, 0,0);
 					newarrpoll.splice(uuk, 1, question);
 				} else {
 					// console.log("删除")
-					this.createquestionsandanswers(object, 1, arrc, null, 0, 0, object.question.id);
+					this.createquestionsandanswers(object, 1, arrc, null, 0, 0, object.question.id,0);
 					newarrpoll.push(question);
 				}
 				// console.log(newarrpoll)
 			} else if (object.question.question_type === 2) {
 				//插入多选题
-				if (object.question.max_choices < object.question.min_choices) {
-					this.props.showNotification(`可选的最大限制不能小于最小限制`);
+				if(object.question.max_choices){
+					if(object.question.max_choices>0){
+						if (object.question.max_choices < object.question.min_choices) {
+							this.props.showNotification(`可选的最大限制不能小于最小限制`);
 
-					return;
+							return;
+						}
+					}
 				}
+				// if (object.question.max_choices < object.question.min_choices) {
+				// 	this.props.showNotification(`可选的最大限制不能小于最小限制`);
+				//
+				// 	return;
+				// }
 				var questiontwo = {};
 				var other = [];
 				var option = [];
@@ -1676,11 +1707,11 @@ class PollNew extends Component {
 				//插入多选题
 				if (uuk !== -1) {
 					// console.log("修改")
-					this.edittotheserver(object, 2, arrc, null, object.question.max_choices, object.question.min_choices);
+					this.edittotheserver(object, 2, arrc, null, object.question.max_choices, object.question.min_choices,object.question.answers.length);
 					newarrpoll.splice(uuk, 1, question);
 				} else {
 					// console.log("删除")
-					this.createquestionsandanswers(object, 2, arrc, null, object.question.max_choices, object.question.min_choices, object.question.id);
+					this.createquestionsandanswers(object, 2, arrc, null, object.question.max_choices, object.question.min_choices, object.question.id,object.question.answers.length);
 					newarrpoll.push(question);
 				}
 				// console.log(newarrpoll)
@@ -1721,11 +1752,11 @@ class PollNew extends Component {
 				question = {"question": questiontwo};
 				if (uuk !== -1) {
 					// console.log("修改")
-					this.edittotheserver(object, 3, null, null, 0, 0);
+					this.edittotheserver(object, 3, null, null, 0, 0,0);
 					newarrpoll.splice(uuk, 1, question);
 				} else {
 					// console.log("删除")
-					this.createquestionsandanswers(object, 3, null, null, 0, 0, object.question.id);
+					this.createquestionsandanswers(object, 3, null, null, 0, 0, object.question.id,0);
 					newarrpoll.push(question);
 				}
 				// console.log(newarrpoll)
@@ -1761,7 +1792,8 @@ class PollNew extends Component {
 
 
 	////新增到服务器中
-	createquestionsandanswers = (object, number, option, other, max_choices, min_choices, insert_id) => {
+	createquestionsandanswers = (object, number, option, other, max_choices, min_choices, insert_id,length) => {
+
 		var thiss = this;
 		var poll_id = this.state.pollid;
 		var urlly = `/polls/${poll_id}/poll_questions.json`
@@ -1774,12 +1806,16 @@ class PollNew extends Component {
 			max_choicess = max_choices;
 			min_choicess = min_choices;
 		}
+		console.log("createquestionsandanswers");
+		console.log(max_choicess);
+		console.log(min_choicess);
+		console.log(length);
 		axios.post(urlly, {
 			question_title: object.question.question_title,
 			question_type: number,
 			is_necessary: object.question.is_necessary,
-			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,
+			max_choices: max_choicess===undefined?length:max_choicess===null?length:max_choicess===0?length:max_choicess,
+			min_choices: min_choicess===undefined?2:min_choicess===null?2:min_choicess===0?2:min_choicess,
 			question_answers: option,
 			question_other_answer: null,
 			insert_id: insert_id
@@ -1810,17 +1846,30 @@ class PollNew extends Component {
 
 	}
 	///编辑修改到服务器当中
-	edittotheserver = (object, number, option, other, max_choices, min_choices) => {
+	edittotheserver = (object, number, option, other, max_choices, min_choices,length) => {
 		// console.log("调用了edittotheserver")
 		var url = `/poll_questions/${object.question.id}.json`
 		var thiss = this;
+		var max_choicess = null;
+		var min_choicess = null;
+		if (max_choices === 0 && min_choices === 0) {
+			max_choicess = null;
+			min_choicess = null;
+		} else {
+			max_choicess = max_choices;
+			min_choicess = min_choices;
+		}
+		console.log("createquestionsandanswers");
+		console.log(max_choicess);
+		console.log(min_choicess);
+		console.log(length);
 		axios.put(url, {
 			// debug: true,
 			question_title: object.question.question_title,
 			question_type: number,
 			is_necessary: object.question.is_necessary,
-			max_choices: max_choices,
-			min_choices: min_choices,
+			max_choices: max_choicess===undefined?length:max_choicess===null?length:max_choicess===0?length:max_choicess,
+			min_choices: min_choicess===undefined?2:min_choicess===null?2:min_choicess===0?2:min_choicess,
 			question_answers: option,
 			question_other_answer: null,
 		}).then((result) => {
@@ -2132,11 +2181,11 @@ class PollNew extends Component {
 
 	//最小值
 	HandleGradationGroupChangee = (value, index, max, length) => {
-		console.log("最小值");
-		console.log(value);
-		console.log(index);
-		console.log(max);
-		console.log(length);
+		// console.log("最小值");
+		// console.log(value);
+		// console.log(index);
+		// console.log(max);
+		// console.log(length);
 
 		// debugger
 		var minbool = false;
@@ -2178,11 +2227,11 @@ class PollNew extends Component {
 	// 	console.log("2112");
 	//  console.log(value);
   // console.log(minchoices);
-		console.log("最大值");
-		console.log(value);
-		console.log(index);
-		console.log(minchoices);
-		console.log(length);
+	// 	console.log("最大值");
+	// 	console.log(value);
+	// 	console.log(index);
+	// 	console.log(minchoices);
+	// 	console.log(length);
 		let arr = this.state.adddom;
 		for (var i = 0; i < arr.length; i++) {
 			if (index === i) {
diff --git a/public/react/src/modules/user/usersInfo/banks/BanksIndex.js b/public/react/src/modules/user/usersInfo/banks/BanksIndex.js
index 5e5073ac0..2d86e4ef1 100644
--- a/public/react/src/modules/user/usersInfo/banks/BanksIndex.js
+++ b/public/react/src/modules/user/usersInfo/banks/BanksIndex.js
@@ -88,7 +88,7 @@ class BanksIndex extends Component{
         <div className="educontent">
           {
             crumbData &&
-            <Breadcrumb separator=">" className="breadcrumb">
+            <Breadcrumb separator=">" className="breadcrumb mt22">
               <Breadcrumb.Item href="/users/innov/banks">题库</Breadcrumb.Item>
               {
                 crumbData.crumbArray && crumbData.crumbArray.map((item,key)=>{
@@ -99,13 +99,13 @@ class BanksIndex extends Component{
               }          
             </Breadcrumb>
           }
-          
-          <p className="clearfix mt30">
+
+					{
+						crumbData &&<p className="clearfix mt10 mb10 ">
             <span className="fl font-24 color-grey-3 task-hide lineh-30" style={{maxWidth:'800px'}}>{crumbData && crumbData.title}</span>
-            {
-              crumbData && <span className="bank_is_public">{crumbData.is_public == true ? '公开':'私有'}</span>
-            }
-          </p>
+             <span className="bank_is_public">{crumbData.is_public == true ? '公开':'私有'}</span>
+
+          </p> }
 
           <Switch {...this.props}>