diff --git a/src/core/manager/EnvManager.ts b/src/core/manager/EnvManager.ts
index f5d75ef..c346519 100644
--- a/src/core/manager/EnvManager.ts
+++ b/src/core/manager/EnvManager.ts
@@ -178,7 +178,7 @@ export default class EnvManager {
         const item = JSON.parse(agvState.virtualExecutorPayload)
         const pos = Model.getPositionByLogicXY(agvState.logicX, agvState.logicY)
         if (pos) {
-          item.tf[0] = [pos.x, pos.y, agvState.z]
+          item.tf[0] = [pos.x, pos.y, pos.z]
         }
         switch (_.toLower(agvState.direction)) {
           // right=0/left=180/up=90/down=-90