diff --git a/src/jmapNew/shape/Section/index.js b/src/jmapNew/shape/Section/index.js
index dad44c3c4..b834a7b97 100644
--- a/src/jmapNew/shape/Section/index.js
+++ b/src/jmapNew/shape/Section/index.js
@@ -259,7 +259,7 @@ export default class Section extends Group {
     setSpeedUpperLimit(speedUpLimit) {
         if (this.style.Section.line.speedLimitColor) { // 宁波三号线 独有
             this.line.setStyle({stroke: this.style.Section.line.speedLimitColor});
-        } else if (this.style.Section.speedLimitName.nameAlone && this.model.type == '03') {	// 南京2，道岔区段只显示一个名称
+        } else if (this.style.Section.speedLimitName && this.style.Section.speedLimitName.nameAlone && this.model.type == '03') {	// 南京2，道岔区段只显示一个名称
             const switchModel = Vue.prototype.$jlmap.mapDevice[this.model.relSwitchCode];
             if (switchModel && switchModel.sectionACode == this._code) {
                 this.speedLimit && this.speedLimit.show();