diff --git a/src/main/java/com/iflytop/sgs/app/service/device/module/TransferModuleService.java b/src/main/java/com/iflytop/sgs/app/service/device/module/TransferModuleService.java
index e1d538a..36ee781 100644
--- a/src/main/java/com/iflytop/sgs/app/service/device/module/TransferModuleService.java
+++ b/src/main/java/com/iflytop/sgs/app/service/device/module/TransferModuleService.java
@@ -219,7 +219,9 @@ public class TransferModuleService {
      * 转运机械臂Z轴移动到0点
      */
     public void transferZMoveZero(String cmdId, String cmdCode) throws Exception {
+        //todo z轴存在丢步问题 用回原点代替归0
         DeviceCommandBundle deviceCommand = DeviceCommandGenerator.transferZMove(0.0);
+        //DeviceCommandBundle deviceCommand = DeviceCommandGenerator.transferZOrigin();
         CommandFuture deviceCommandFuture = deviceCommandService.sendCommand(cmdId, cmdCode, deviceCommand);
         CommandUtil.wait(deviceCommandFuture);
     }