diff --git a/nladmin-system/nlsso-server/src/main/java/org/nl/acs/device/driver/screen/led_screen/LedScreenDeviceDriver.java b/nladmin-system/nlsso-server/src/main/java/org/nl/acs/device/driver/screen/led_screen/LedScreenDeviceDriver.java
index f04b40c..5cb7fcd 100644
--- a/nladmin-system/nlsso-server/src/main/java/org/nl/acs/device/driver/screen/led_screen/LedScreenDeviceDriver.java
+++ b/nladmin-system/nlsso-server/src/main/java/org/nl/acs/device/driver/screen/led_screen/LedScreenDeviceDriver.java
@@ -133,7 +133,7 @@ public class LedScreenDeviceDriver extends AbstractDeviceDriver implements Devic
                                 errorMsg = "设备" + deviceCode + " 前叉报警 " + org.nl.acs.device.driver.stacker.double_stacker.enums.ErrorEnum.getDesc(standardStackerDeviceDriver.getFront_Zerror()) + ",";
                             }
                             if (standardStackerDeviceDriver.getBack_Zerror() > 0) {
-                                errorMsg = "设备" + deviceCode + " 后叉报警 " + org.nl.acs.device.driver.stacker.double_stacker.enums.ErrorEnum.getDesc(standardStackerDeviceDriver.getFront_Zerror()) + ",";
+                                errorMsg = "设备" + deviceCode + " 后叉报警 " + org.nl.acs.device.driver.stacker.double_stacker.enums.ErrorEnum.getDesc(standardStackerDeviceDriver.getBack_Zerror()) + ",";
                             }
                         }
                     }