diff --git a/ComponentBasic/BehaviorPerform.cpp b/ComponentBasic/BehaviorPerform.cpp
index 18620ec..2e92f75 100644
--- a/ComponentBasic/BehaviorPerform.cpp
+++ b/ComponentBasic/BehaviorPerform.cpp
@@ -236,6 +236,31 @@ void BehaviorMapNode::setVariable(const QString& key, IO_TYPE t, std::shared_ptr
 	_variables[key] = std::make_pair(t, ins);
 }
 
+QList<QString> BehaviorMapNode::inputVariableKeys() const
+{
+	QList<QString> keys;
+	for(auto key : this->_variables.keys())
+		if(this->_variables[key].first == IO_TYPE::INPUT)
+			keys << key;
+
+	return keys;
+}
+
+QList<QString> BehaviorMapNode::outputVariableKeys() const
+{
+	QList<QString> keys;
+	for (auto key : this->_variables.keys())
+		if (this->_variables[key].first == IO_TYPE::OUTPUT)
+			keys << key;
+
+	return keys;
+}
+
+void BehaviorMapNode::removeVariable(const QString& key)
+{
+	this->_variables.remove(key);
+}
+
 std::shared_ptr<TopicData> BehaviorMapNode::getVariable(const QString& key) const
 {
 	if (!_variables.contains(key))
diff --git a/ComponentBasic/BehaviorPerform.h b/ComponentBasic/BehaviorPerform.h
index 13c7ba5..03dfb95 100644
--- a/ComponentBasic/BehaviorPerform.h
+++ b/ComponentBasic/BehaviorPerform.h
@@ -479,6 +479,9 @@ public:
 	/// 节点初始化时会按照配置注册默认值变量
 	/// </summary>
 	virtual void setVariable(const QString& key, IO_TYPE t, std::shared_ptr<TopicData> ins);
+	virtual QList<QString> inputVariableKeys() const;
+	virtual QList<QString> outputVariableKeys() const;
+	virtual void removeVariable(const QString &key);
 	/// <summary>
 	/// 获取指定名称的数据变量
 	/// </summary>
diff --git a/SimsWorld/BehaviorEditor.cpp b/SimsWorld/BehaviorEditor.cpp
index e2bde4a..2b686e7 100644
--- a/SimsWorld/BehaviorEditor.cpp
+++ b/SimsWorld/BehaviorEditor.cpp
@@ -166,7 +166,7 @@ QRectF NodePresent::boundingRect() const
 {
 	auto rect = contentMeasure();
 	auto depth = this->_node_bind->depth();
-	if(_columns_width_seqs.size() <= depth)
+	if (_columns_width_seqs.size() <= depth)
 		_columns_width_seqs.resize(depth + 1);
 
 	auto width_col = _columns_width_seqs[depth];
@@ -280,25 +280,34 @@ NodePresent* BehaviorsPresent::presentAllocate(std::shared_ptr<LogicalNode> ins)
 	}
 }
 
-void BehaviorsPresent::presentRelease(std::shared_ptr<LogicalNode> ins)
-{
-	switch (ins->nodeKind())
-	{
-	case NodeKind::MAPNODE:
-	case NodeKind::PARALLELNODE:
-	case NodeKind::SELECTORNODE:
-	case NodeKind::SEQUENCENODE: {
-		for (auto item : ins->children()) {
-			presentRelease(item);
-		}
-	}break;
-	default:
-		if (this->_present_peers.contains(ins))
-			delete this->_present_peers[ins];
-		this->_present_peers.remove(ins);
-		break;
-	}
-}
+//void BehaviorsPresent::presentRelease(std::shared_ptr<LogicalNode> ins)
+//{
+//	switch (ins->nodeKind())
+//	{
+//	case NodeKind::MAPNODE:
+//	case NodeKind::PARALLELNODE:
+//	case NodeKind::SELECTORNODE:
+//	case NodeKind::SEQUENCENODE: {
+//		for (auto item : ins->children()) {
+//			presentRelease(item);
+//		}
+//	}
+//	default:
+//		if (this->_present_peers.contains(ins))
+//			delete this->_present_peers[ins];
+//		this->_present_peers.remove(ins);
+//
+//		// 清除BranchPresent
+//		BranchPresent *_target = nullptr;
+//		for(auto node : this->_branch_list)
+//			if (node->headNode() == ins) {
+//				_target = node;
+//				delete node;
+//			}
+//		this->_branch_list.removeAll(_target);
+//		break;
+//	}
+//}
 
 const double NodePresent::padding = 8;
 void BehaviorsPresent::relayout()
@@ -402,14 +411,41 @@ QPointF BehaviorsPresent::nodeRelayout(QHash<std::shared_ptr<LogicalNode>, std::
 	return origin_offset + QPointF(0, node_outline.height());
 }
 
+#include <QJsonDocument>
 void BehaviorEditor::open_behavior_map()
 {
-	auto url = QFileDialog::getOpenFileUrl(this, u8"打开行为树文件", QUrl(), "*.behw");
-
-	this->_logical_present->setRoot(_map_root);
-
-	if (!url.isValid())
+	_current_fileurl = QFileDialog::getOpenFileUrl(this, u8"打开行为树文件", QUrl(), "*.behw");
+	if (!_current_fileurl.isValid())
 		return;
+
+	QFile data_file(_current_fileurl.toLocalFile());
+	data_file.open(QIODevice::ReadOnly);
+	auto json = QJsonDocument::fromJson(data_file.readAll());
+
+	// 载入数据，回复节点内容
+	_map_root->recoveryFrom(json.object());
+	this->_logical_present->setRoot(_map_root);
+}
+
+void BehaviorEditor::new_behavior_map()
+{
+	_current_fileurl = QFileDialog::getSaveFileUrl(this, u8"创建行为树文件", QUrl(), "*.behw");
+	if (!_current_fileurl.isValid())
+		return;
+
+	// 清空所有子节点内容
+	auto childs = this->_map_root->children();
+	if (childs.size())
+		this->_map_root->remove(childs.first());
+
+	// 清空行为树节点变量列表
+	auto variable_key_set = this->_map_root->inputVariableKeys();
+	variable_key_set << this->_map_root->outputVariableKeys();
+	for(auto key : variable_key_set)
+		this->_map_root->removeVariable(key);
+
+	// 重置地图节点
+	this->_logical_present->setRoot(_map_root);
 }
 
 BehaviorEditor::BehaviorEditor(QWidget* parent /*= nullptr*/)
@@ -505,6 +541,11 @@ BranchPresent::BranchPresent(const QHash<std::shared_ptr<LogicalNode>, NodePrese
 	:_present_set_bind(present_set), _head_node(head_anchor) {
 }
 
+std::shared_ptr<LogicalNode> BranchPresent::headNode() const
+{
+	return _head_node->logicalBind();
+}
+
 QRectF BranchPresent::startOutline() const
 {
 	auto parent_node = _head_node->logicalBind()->parent().lock();
diff --git a/SimsWorld/BehaviorEditor.h b/SimsWorld/BehaviorEditor.h
index cb81550..c0ea807 100644
--- a/SimsWorld/BehaviorEditor.h
+++ b/SimsWorld/BehaviorEditor.h
@@ -59,6 +59,8 @@ private:
 public:
 	BranchPresent(const QHash<std::shared_ptr<LogicalNode>, NodePresent*> &present_set, NodePresent* head_anchor);
 
+	std::shared_ptr<LogicalNode> headNode() const;
+
 	QRectF startOutline() const;
 	QRectF endOutline() const;
 	void resetArrow(const QPointF& start, const QPointF& end);
@@ -104,11 +106,6 @@ public:
 	/// <param name="_present_peers"></param>
 	/// <param name="ins"></param>
 	NodePresent* presentAllocate(std::shared_ptr<LogicalNode> ins);
-	/// <summary>
-	/// 递归释放显示节点
-	/// </summary>
-	/// <param name="ins"></param>
-	void presentRelease(std::shared_ptr<LogicalNode> ins);
 
 	/// <summary>
 	/// 内容重新布局
@@ -158,8 +155,10 @@ private:
 	QTextBrowser* const _logs_present;
 
 	std::shared_ptr<BehaviorMapNode> _map_root;
+	QUrl _current_fileurl;
 
 	void open_behavior_map();
+	void new_behavior_map();
 
 public:
 	BehaviorEditor(QWidget* parent = nullptr);