diff --git a/src/iscs/constant/deviceRender.js b/src/iscs/constant/deviceRender.js
index fd46d4d25..be8b7c6ed 100644
--- a/src/iscs/constant/deviceRender.js
+++ b/src/iscs/constant/deviceRender.js
@@ -183,10 +183,17 @@ deviceRender[deviceType.IscsRect] = {
     zlevel:1,
     z: 3
 };
+/**  电梯   */
 deviceRender[deviceType.Escalator] = {
     _type: deviceType.Escalator,
     zlevel:1,
     z: 4
 };
+/** 楼梯   */
+deviceRender[deviceType.StairControl] = {
+    _type: deviceType.StairControl,
+    zlevel:1,
+    z: 4
+};
 
 export default deviceRender;