diff --git a/src/jmap/shape/Train/index.js b/src/jmap/shape/Train/index.js
index 01942a650..6739ef198 100644
--- a/src/jmap/shape/Train/index.js
+++ b/src/jmap/shape/Train/index.js
@@ -14,6 +14,7 @@ export default class Train extends Group {
 		this.model = model;
 		this.style = style;
 		this.z = 40;
+		this.size = 0;
 		this.section = null;
 		this.fontSize = style.Train.nameFontSize || style.Train.trainTextFontSize;
 		this.newScale = this.fontSize / style.Train.trainTextFontSize;
@@ -285,8 +286,8 @@ export default class Train extends Group {
 	// 是否根据车身上车组号、服务号、车次号、目的地码显示情况改变列车长度
 	isChangeTrainWidth(model, style) {
 		if (!style.Train.changeTrainWidth) { return; }
-		if (model.nameFormat) {
-			const arr = model.nameFormat.split(':');
+		if (style.Train.trainNameFormat) {
+			const arr = style.Train.trainNameFormat.split(':');
 			arr.forEach(ele => {
 				switch (ele) {
 				case 'targetCode': {