diff --git a/SimsWorld/BehaviorEditor.cpp b/SimsWorld/BehaviorEditor.cpp
index a723d0a..e2bde4a 100644
--- a/SimsWorld/BehaviorEditor.cpp
+++ b/SimsWorld/BehaviorEditor.cpp
@@ -50,18 +50,15 @@ AcceptType NodePresent::testAccept(const QPointF& local_pos, const QString& kind
 
 	QList<NodeKind> no_child{ NodeKind::ACTIONNODE, NodeKind::COMPARENODE };
 	auto pnode = this->_node_bind->parent().lock();
-	decltype(pnode) new_type = nullptr;
-	if (this->_node_bind->bindMap())
-		new_type = this->_node_bind->bindMap()->getKernal()->getNode(kind_str);
-	else
-		new_type = std::dynamic_pointer_cast<BehaviorMapNode>(this->_node_bind)->getKernal()->getNode(kind_str);
+	decltype(pnode) new_type = this->_node_bind->getKernal()->getNode(kind_str);
 
 	// 当前节点存在父节点且不属于Action和Compare
 	if (left_rect.contains(local_pos) && pnode && !no_child.contains(new_type->nodeKind()))
 		return AcceptType::PREV_LEVEL;
 
+	QList<NodeKind> single_child{ NodeKind::MAPNODE, NodeKind::MODIFYNODE };
 	// 当前节点存在父节点且父节点可以存在多个节点
-	if (pnode && pnode->nodeKind() != NodeKind::MAPNODE) {
+	if (pnode && !single_child.contains(pnode->nodeKind())) {
 		if (top_rect.contains(local_pos))
 			return AcceptType::PREV_SIBLING;
 
@@ -72,10 +69,14 @@ AcceptType NodePresent::testAccept(const QPointF& local_pos, const QString& kind
 	// 分辨当前节点的是否可以插入新节点
 	if (right_rect.contains(local_pos))
 		switch (this->_node_bind->nodeKind()) {
-		case NodeKind::MAPNODE: // 根节点只能容纳一个节点
+		case NodeKind::MAPNODE:		// 根节点只能容纳一个子节点
 			if (!this->_node_bind->children().size() && !this->_node_bind->parent().lock())
 				return AcceptType::NEXT_LEVEL;
 			break;
+		case NodeKind::MODIFYNODE:	// 修饰节点只能容纳一个子节点
+			if (!this->_node_bind->children().size())
+				return AcceptType::NEXT_LEVEL;
+			break;
 		case NodeKind::PARALLELNODE:
 		case NodeKind::SELECTORNODE:
 		case NodeKind::SEQUENCENODE:
@@ -252,6 +253,7 @@ NodePresent* BehaviorsPresent::presentAllocate(std::shared_ptr<LogicalNode> ins)
 	QList<NodePresent*> _children_set;
 	switch (ins->nodeKind()) {
 	case NodeKind::MAPNODE:
+	case NodeKind::MODIFYNODE:
 	case NodeKind::PARALLELNODE:
 	case NodeKind::SEQUENCENODE:
 	case NodeKind::SELECTORNODE:
@@ -340,6 +342,7 @@ QSizeF BehaviorsPresent::outlineMeasure(std::shared_ptr<LogicalNode> ins, QHash<
 
 	switch (ins->nodeKind()) {
 	case NodeKind::MAPNODE:
+	case NodeKind::MODIFYNODE:
 	case NodeKind::PARALLELNODE:
 	case NodeKind::SELECTORNODE:
 	case NodeKind::SEQUENCENODE: