diff --git a/Toolbox/SimulationSARTool/SimulationSAR/QSimulationBPImage.cpp b/Toolbox/SimulationSARTool/SimulationSAR/QSimulationBPImage.cpp
index 2bc39ee..68c7ce2 100644
--- a/Toolbox/SimulationSARTool/SimulationSAR/QSimulationBPImage.cpp
+++ b/Toolbox/SimulationSARTool/SimulationSAR/QSimulationBPImage.cpp
@@ -81,7 +81,14 @@ void QSimulationBPImage::onbtnaccepted()
 	imagL1->setFarRange(echoL0ds->getFarRange());
 	imagL1->setFs(echoL0ds->getFs());
 	imagL1->setLookSide(echoL0ds->getLookSide());
-	imagL1->OpenOrNew(outImageFolder, imagename, echoL0ds->getPluseCount(), echoL0ds->getPlusePoints());
+
+	if (ui->checkBox->isChecked()) {
+		gdalImage imgxyzimg(ui->lineEdit->text().trimmed());
+		imagL1->OpenOrNew(outImageFolder, imagename, imgxyzimg.height, imgxyzimg.width);
+	}
+	else {
+		imagL1->OpenOrNew(outImageFolder, imagename, echoL0ds->getPluseCount(), echoL0ds->getPlusePoints());
+	}
 
 
 	TBPImageAlgCls TBPimag;
@@ -114,7 +121,7 @@ void QSimulationBPImage::oncheckboxTrigged(int)
 
 void QSimulationBPImage::onpushButtonGridNetSelectClicked( )
 {
-	QString  fileNames = QFileDialog::getSaveFileName(
+	QString  fileNames = QFileDialog::getOpenFileName(
 		this,                           // 父窗口
 		tr(u8"选择影像文件"),               // 标题
 		QString(),                      // 默认路径