diff --git a/public/react/src/modules/question/Questionitem_banks.js b/public/react/src/modules/question/Questionitem_banks.js
index 07d17d1eb..e874944ed 100644
--- a/public/react/src/modules/question/Questionitem_banks.js
+++ b/public/react/src/modules/question/Questionitem_banks.js
@@ -236,6 +236,10 @@ class Questionitem_banks extends Component {
 			this.scrollToAnchor("Itembankstopid");
 			return;
 		}
+
+
+		console.log("preservation");
+		console.log(this.contentMdRef.Getdatas());
 		if (this.state.item_type === null) {
 
 
diff --git a/public/react/src/modules/question/component/Itembankstop.js b/public/react/src/modules/question/component/Itembankstop.js
index ac2765b1b..2f7b1f8cd 100644
--- a/public/react/src/modules/question/component/Itembankstop.js
+++ b/public/react/src/modules/question/component/Itembankstop.js
@@ -48,6 +48,7 @@ class Itembankstop extends Component {
 			page:1,
 			Knowpoints:[],
 			rbtx:undefined,
+			rbkc:undefined,
 			knowledgepoints:[],
 			options:[],
 		}
@@ -60,9 +61,10 @@ class Itembankstop extends Component {
 
 		}
 		this.setState({
-			knowledgepoints:this.props.knowledgepoints,
 			options:this.props.disciplmy
 		})
+		// knowledgepoints:this.props.knowledgepoints,
+
 		////console.log("componentDidMount");
 		////console.log(this.state);
 		////console.log(this.props);
@@ -96,11 +98,11 @@ class Itembankstop extends Component {
 
 		}
 
-		if(prevProps.knowledgepoints !== this.props.knowledgepoints){
-			this.setState({
-				knowledgepoints:this.props.knowledgepoints
-			})
-		}
+		// if(prevProps.knowledgepoints !== this.props.knowledgepoints){
+		// 	this.setState({
+		// 		knowledgepoints:this.props.knowledgepoints
+		// 	})
+		// }
 
 		if(prevProps.disciplmy !== this.props.disciplmy){
 			this.setState({
@@ -124,7 +126,19 @@ class Itembankstop extends Component {
 			if (!err) {
 				// ////console.log("获取的form 数据");
 				// ////console.log(values);
-				data= values;
+				data.push({
+					rbnd:values.rbnd
+				})
+				data.push({
+					rbtx:values.rbtx
+				})
+				data.push({
+					rbzsd:this.state.Knowpoints
+				})
+				data.push({
+					rbkc:values.rbkc
+				})
+
 			}
 		});
 
@@ -160,14 +174,16 @@ class Itembankstop extends Component {
 		//课程
 		////console.log("课程");
 		////console.log(value);
+		var valuename=undefined;
 		this.props.form.setFieldsValue({
-			rbkc:value,
+			rbzsd:value,
 		});
 
 		var arr= this.state.knowledgepoints;
 		for(let data of arr) {
 			if(data.id===value){
 				this.state.Knowpoints.push(data);
+				valuename=data.name;
 			}
 		}
 
@@ -179,6 +195,7 @@ class Itembankstop extends Component {
 		}
 
 		this.setState({
+			rbzsd:valuename,
 			Knowpoints:this.state.Knowpoints,
 			knowledgepoints:this.state.knowledgepoints,
 		})
@@ -188,7 +205,7 @@ class Itembankstop extends Component {
 	handleFormzhishidian=(value)=>{
 		//课程
 		this.props.form.setFieldsValue({
-			rbzsd:value,
+			rbkc:value,
 		});
 
 		// console.log("handleFormzhishidian");
@@ -226,8 +243,11 @@ class Itembankstop extends Component {
 		})
 
 		this.props.form.setFieldsValue({
-			rbkc:undefined,
+			rbzsd:undefined,
 		});
+		this.setState({
+			rbzsd:undefined,
+		})
 	}
 
 	handleFormtixing=(value)=>{
@@ -271,6 +291,23 @@ class Itembankstop extends Component {
 		this.setState({
 			Knowpoints:this.state.Knowpoints,
 		})
+
+		if(this.state.Knowpoints.length===0){
+			this.setState({
+				rbzsd:undefined,
+			})
+		} else if(this.state.Knowpoints.length>0){
+			try {
+				const myknowda=this.state.Knowpoints;
+				this.setState({
+					rbzsd:myknowda[this.state.Knowpoints.length-1].name,
+				})
+			}catch (e) {
+
+			}
+
+		}
+
 	}
 
 
@@ -319,14 +356,14 @@ class Itembankstop extends Component {
 									<Form.Item
 						label="课程"
 					>
-						{getFieldDecorator("rbzsd",
+						{getFieldDecorator("rbkc",
 							{
 								rules: [{ required: true, message: '请选择课程' }],
 							}
 						)(
 							<div className="sortinxdirection">
 								<InputGroup compact >
-									<Cascader style={{ width: '258px' }} defaultValue={this.state.Knowpoints} options={options} onChange={this.handleFormzhishidian} placeholder="请选择..." />
+									<Cascader style={{ width: '258px' }} options={options} onChange={this.handleFormzhishidian} placeholder="请选择..." />
 								</InputGroup>
 
 
@@ -356,14 +393,14 @@ class Itembankstop extends Component {
 					<Form.Item
 						label="知识点"
 					>
-						{getFieldDecorator("rbkc",
+						{getFieldDecorator("rbzsd",
 							{
 								rules: [{ required: true, message: '请选择知识点' }],
 							}
 						)(
 							<div className="sortinxdirection">
 							<InputGroup compact  >
-								<Select style={{ width: '258px' }} onChange={this.handleFormkechen}  placeholder="请选择...">
+								<Select style={{ width: '258px' }} value={this.state.rbzsd} onChange={this.handleFormkechen}  placeholder="请选择...">
 									{this.state.knowledgepoints&&this.state.knowledgepoints.map((object, index) => {
 										return (
 											<Option value={object.id}>{object.name}</Option>