diff --git a/TranslateUI/SequenceView.cpp b/TranslateUI/SequenceView.cpp
index bf91ab9..4767da4 100644
--- a/TranslateUI/SequenceView.cpp
+++ b/TranslateUI/SequenceView.cpp
@@ -59,8 +59,11 @@ void SequenceView::tidyRuleAt(const QModelIndex& idx)
 	rule_insv->saveTo(obj);
 	auto bytes = QJsonDocument(obj).toJson(QJsonDocument::Compact);
 	_seqs_model->setData(param_index, QString::fromUtf8(bytes));
+
+	this->resizeColumnsToContents();
 }
 
+#include <QItemSelectionModel>
 SequenceView::SequenceView(QWidget* p /*= nullptr*/)
 	:QTableView(p),
 	_seqs_model(new QStandardItemModel),
@@ -81,10 +84,14 @@ SequenceView::SequenceView(QWidget* p /*= nullptr*/)
 	connect(this, &QTableView::customContextMenuRequested, this, &SequenceView::customTranslateRuleEdit);
 	connect(rule_delegate, &RuleSelectDelegate::dataChanged, this, &SequenceView::tidyRuleAt);
 	connect(int_delegate, &IntDelegate::valueChanged, this, &SequenceView::tidyRuleAt);
+
+	auto select_model = this->selectionModel();
+	connect(select_model, &QItemSelectionModel::currentRowChanged, [=](const QModelIndex &curr){
+		emit this->currentRuleChanged(_rule_list[curr.row()]);
+	});
 }
 
 #include <QMenu>
-#include <QJsonDocument>
 void SequenceView::customTranslateRuleEdit(const QPoint& pos)
 {
 	QMenu immediate;
@@ -123,7 +130,6 @@ void SequenceView::removeTranslateUnit()
 
 }
 
-#include "TranslateBasic.h"
 TranslateBasic::TranslateBasic()
 {
 	std::shared_ptr<ExtractUnit> u_ptr = std::make_shared<BytesAsBitCombine>();
diff --git a/TranslateUI/SequenceView.h b/TranslateUI/SequenceView.h
index 6bf4674..25b180f 100644
--- a/TranslateUI/SequenceView.h
+++ b/TranslateUI/SequenceView.h
@@ -59,11 +59,15 @@ public:
 };
 
 class SequenceView : public QTableView {
+	Q_OBJECT
 private:
 	QStandardItemModel* const _seqs_model;
 	std::shared_ptr<TranslateBasic> base = nullptr;
 	QList<std::shared_ptr<ExtractUnit>> _rule_list;
 
+signals:
+	void currentRuleChanged(std::shared_ptr<ExtractUnit> u) const;
+
 public:
 	void tidyRuleAt(const QModelIndex& idx_rule);