diff --git a/main.aardio b/main.aardio
index 44fd94e..3dd36d0 100644
--- a/main.aardio
+++ b/main.aardio
@@ -292,6 +292,9 @@ g_teMenus.setCommandFunc(0, 11, g_teMenus.showAbout);
 g_teMenus.setCommandFunc(1, 1, g_teMenus.showHelp);
 /*}}*/
 
+pre_searched_row = null;
+pre_searched_col = null;
+
 /*消息回调{{*/
 g_flexcell.onCellChange = function(Row,Col){
 	if(!g_flexcell.isModified){
@@ -312,6 +315,16 @@ g_flexcell.onMouseUp = function(Button , Shift, x, y){
 	if(Button == 2){
 		g_flexcell.cell(g_flexcell.MouseRow,g_flexcell.MouseCol).Select();
 	}
+	if(pre_searched_row != null and pre_searched_col != null){
+		g_flexcell.Cell(pre_searched_row, pre_searched_col).BackColor = 0xffffff;
+	}
+}
+
+g_flexcell.onSelChange = function(FirstRow,FirstCol,LastRow,LastCol){
+	/*** 在Selection选择范围改变时发生。参数：起始行，起始列，结束行，结束列 ***/
+	var row1,col1=owner.toRelativeRow(FirstRow),owner.toRelativeCol(FirstCol);
+	var row2,col2=owner.toRelativeRow(LastRow),owner.toRelativeCol(LastCol);
+	console.log(row1, col1, row2, col2)
 }
 /*}}*/
 
@@ -327,8 +340,6 @@ var accelerator = win.ui.accelerator({
     };
 },mainForm );
 
-pre_searched_row = null;
-pre_searched_col = null;
 research_flag = true;
 searchNextContent = function(data, firstRow, firstCol, lastRow, lastCol, isRangeSearch, selFirstRow, selFirstCol, str){
 	if(isRangeSearch){// 从一个范围开始搜索
@@ -400,6 +411,7 @@ searchNextContent = function(data, firstRow, firstCol, lastRow, lastCol, isRange
 }
 
 subscribe("search_prev",function(...){
+	// TODO
 	console.dump(...);
 } )
 
@@ -414,6 +426,9 @@ subscribe("search_next",function(...){
 	if(firstRow != lastRow or firstCol != lastCol){
 		isRangeSearch = true;
 	}
+	if(pre_searched_row != null and pre_searched_col != null){
+		g_flexcell.Cell(pre_searched_row, pre_searched_col).BackColor = 0xffffff;
+	}
 	var row, col = searchNextContent(g_flexcell.getVlistData(), firstRow, firstCol, lastRow, lastCol, isRangeSearch, firstRow, firstCol, ...);
 	//console.dump(row, col);
 	if(row != null && col != null){