diff --git a/acs/nladmin-system/src/main/java/org/nl/acs/device_driver/nl4/station/NL4StationDeviceDriver.java b/acs/nladmin-system/src/main/java/org/nl/acs/device_driver/nl4/station/NL4StationDeviceDriver.java
index f5614e3..9b44b8e 100644
--- a/acs/nladmin-system/src/main/java/org/nl/acs/device_driver/nl4/station/NL4StationDeviceDriver.java
+++ b/acs/nladmin-system/src/main/java/org/nl/acs/device_driver/nl4/station/NL4StationDeviceDriver.java
@@ -212,7 +212,7 @@ public class NL4StationDeviceDriver extends AbstractOpcDeviceDriver implements D
     }
 
     @NotNull
-    public TaskDto creatTask(Device device1, Device device2, Device device3, Device device4, RequestMethodEnum method) {
+    private TaskDto creatTask(Device device1, Device device2, Device device3, Device device4, RequestMethodEnum method) {
         JSONObject rpUpdate = new JSONObject();
         rpUpdate.put("islock", "1");
         rpUpdate.put("update_by", "auto");
@@ -241,6 +241,26 @@ public class NL4StationDeviceDriver extends AbstractOpcDeviceDriver implements D
         return task.toJavaObject(TaskDto.class);
     }
 
+    private Device findHasGoodsDevice(JSONArray deviceCodes) {
+        for (int i = 0; i < deviceCodes.size(); i++) {
+            Device device = this.deviceAppService.findDeviceByCode(deviceCodes.getString(i));
+            if ("0".equals(device.getIslock()) && 1 == device.getHas_goods()) {
+                return device;
+            }
+        }
+        return null;
+    }
+
+    private Device findNotHasGoodsDevice(JSONArray deviceCodes) {
+        for (int i = 0; i < deviceCodes.size(); i++) {
+            Device device = this.deviceAppService.findDeviceByCode(deviceCodes.getString(i));
+            if ("0".equals(device.getIslock()) && 0 == device.getHas_goods()) {
+                return device;
+            }
+        }
+        return null;
+    }
+
     /**
      * 门架上料完成
      */
@@ -268,15 +288,7 @@ public class NL4StationDeviceDriver extends AbstractOpcDeviceDriver implements D
             JSONArray materialDeviceCodes = JSONArray.parseArray(gantryDeviceCode2.toString());
 
             // 查找合适的放空设备
-            Device emptyDevice = null;
-            for (int i = 0; i < emptyDeviceCodes.size(); i++) {
-                String deviceCode = emptyDeviceCodes.getString(i);
-                Device device = deviceAppService.findDeviceByCode(deviceCode);
-                if ("0".equals(device.getIslock()) && 0 == device.getHas_goods()) {
-                    emptyDevice = device;
-                    break;
-                }
-            }
+            Device emptyDevice = this.findNotHasGoodsDevice(emptyDeviceCodes);
             if (ObjectUtil.isEmpty(emptyDevice)) {
                 String message = "未找到合适的门架上料完成放空设备。";
                 this.message = message;
@@ -286,15 +298,7 @@ public class NL4StationDeviceDriver extends AbstractOpcDeviceDriver implements D
             assert emptyDevice != null;
 
             // 查找合适的取满设备
-            Device materialDevice = null;
-            for (int i = 0; i < materialDeviceCodes.size(); i++) {
-                String deviceCode = materialDeviceCodes.getString(i);
-                Device device = deviceAppService.findDeviceByCode(deviceCode);
-                if ("0".equals(device.getIslock()) && 1 == device.getHas_goods()) {
-                    materialDevice = device;
-                    break;
-                }
-            }
+            Device materialDevice = this.findHasGoodsDevice(materialDeviceCodes);
             if (ObjectUtil.isEmpty(materialDevice)) {
                 String message = "未找到合适的门架上料完成取满设备。";
                 this.message = message;
@@ -343,15 +347,7 @@ public class NL4StationDeviceDriver extends AbstractOpcDeviceDriver implements D
             JSONArray deviceCodes4 = JSONArray.parseArray(channelSteelDeviceCode4.toString());
 
             // 查找合适的取满设备
-            Device device1 = null;
-            for (int i = 0; i < deviceCodes1.size(); i++) {
-                String deviceCode = deviceCodes1.getString(i);
-                Device device = deviceAppService.findDeviceByCode(deviceCode);
-                if ("0".equals(device.getIslock()) && 1 == device.getHas_goods()) {
-                    device1 = device;
-                    break;
-                }
-            }
+            Device device1 = this.findHasGoodsDevice(deviceCodes1);
             if (ObjectUtil.isEmpty(device1)) {
                 String message = "未找到合适的槽钢上料完成取满设备。";
                 this.message = message;
@@ -361,15 +357,7 @@ public class NL4StationDeviceDriver extends AbstractOpcDeviceDriver implements D
             assert device1 != null;
 
             // 查找合适的放满设备
-            Device device2 = null;
-            for (int i = 0; i < deviceCodes2.size(); i++) {
-                String deviceCode = deviceCodes2.getString(i);
-                Device device = deviceAppService.findDeviceByCode(deviceCode);
-                if ("0".equals(device.getIslock()) && 0 == device.getHas_goods()) {
-                    device2 = device;
-                    break;
-                }
-            }
+            Device device2 = this.findNotHasGoodsDevice(deviceCodes2);
             if (ObjectUtil.isEmpty(device2)) {
                 String message = "未找到合适的槽钢上料完成放满设备。";
                 this.message = message;
@@ -379,15 +367,7 @@ public class NL4StationDeviceDriver extends AbstractOpcDeviceDriver implements D
             assert device2 != null;
 
             // 查找合适的放空设备
-            Device device4 = null;
-            for (int i = 0; i < deviceCodes4.size(); i++) {
-                String deviceCode = deviceCodes4.getString(i);
-                Device device = deviceAppService.findDeviceByCode(deviceCode);
-                if ("0".equals(device.getIslock()) && 0 == device.getHas_goods()) {
-                    device4 = device;
-                    break;
-                }
-            }
+            Device device4 = this.findNotHasGoodsDevice(deviceCodes4);
             if (ObjectUtil.isEmpty(device4)) {
                 String message = "未找到合适的槽钢上料完成放空设备。";
                 this.message = message;
@@ -436,15 +416,7 @@ public class NL4StationDeviceDriver extends AbstractOpcDeviceDriver implements D
             JSONArray deviceCodes4 = JSONArray.parseArray(channelSteelCallMaterialDeviceCode4.toString());
 
             // 查找合适的取满设备
-            Device device1 = null;
-            for (int i = 0; i < deviceCodes1.size(); i++) {
-                String deviceCode = deviceCodes1.getString(i);
-                Device device = deviceAppService.findDeviceByCode(deviceCode);
-                if ("0".equals(device.getIslock()) && 1 == device.getHas_goods()) {
-                    device1 = device;
-                    break;
-                }
-            }
+            Device device1 = this.findHasGoodsDevice(deviceCodes1);
             if (ObjectUtil.isEmpty(device1)) {
                 String message = "未找到合适的槽钢呼叫满料取满设备。";
                 this.message = message;
@@ -454,15 +426,7 @@ public class NL4StationDeviceDriver extends AbstractOpcDeviceDriver implements D
             assert device1 != null;
 
             // 查找合适的取空设备
-            Device device3 = null;
-            for (int i = 0; i < deviceCodes3.size(); i++) {
-                String deviceCode = deviceCodes3.getString(i);
-                Device device = deviceAppService.findDeviceByCode(deviceCode);
-                if ("0".equals(device.getIslock()) && 1 == device.getHas_goods()) {
-                    device3 = device;
-                    break;
-                }
-            }
+            Device device3 = this.findHasGoodsDevice(deviceCodes3);
             if (ObjectUtil.isEmpty(device3)) {
                 String message = "未找到合适的槽钢呼叫满料取空设备。";
                 this.message = message;
@@ -472,15 +436,7 @@ public class NL4StationDeviceDriver extends AbstractOpcDeviceDriver implements D
             assert device3 != null;
 
             // 查找合适的放空设备
-            Device device4 = null;
-            for (int i = 0; i < deviceCodes4.size(); i++) {
-                String deviceCode = deviceCodes4.getString(i);
-                Device device = deviceAppService.findDeviceByCode(deviceCode);
-                if ("0".equals(device.getIslock()) && 0 == device.getHas_goods()) {
-                    device4 = device;
-                    break;
-                }
-            }
+            Device device4 = this.findNotHasGoodsDevice(deviceCodes4);
             if (ObjectUtil.isEmpty(device4)) {
                 String message = "未找到合适的槽钢呼叫满料放空设备。";
                 this.message = message;
@@ -520,15 +476,7 @@ public class NL4StationDeviceDriver extends AbstractOpcDeviceDriver implements D
             JSONArray deviceCodes3 = JSONArray.parseArray(productionCompletedDeviceCode3.toString());
 
             // 查找合适的放满设备
-            Device device2 = null;
-            for (int i = 0; i < deviceCodes2.size(); i++) {
-                String deviceCode = deviceCodes2.getString(i);
-                Device device = deviceAppService.findDeviceByCode(deviceCode);
-                if ("0".equals(device.getIslock()) && 0 == device.getHas_goods()) {
-                    device2 = device;
-                    break;
-                }
-            }
+            Device device2 = this.findNotHasGoodsDevice(deviceCodes2);
             if (ObjectUtil.isEmpty(device2)) {
                 String message = "未找到合适的下料完成放满设备。";
                 this.message = message;
@@ -538,15 +486,7 @@ public class NL4StationDeviceDriver extends AbstractOpcDeviceDriver implements D
             assert device2 != null;
 
             // 查找合适的取空设备
-            Device device3 = null;
-            for (int i = 0; i < deviceCodes3.size(); i++) {
-                String deviceCode = deviceCodes3.getString(i);
-                Device device = deviceAppService.findDeviceByCode(deviceCode);
-                if ("0".equals(device.getIslock()) && 1 == device.getHas_goods()) {
-                    device3 = device;
-                    break;
-                }
-            }
+            Device device3 = this.findHasGoodsDevice(deviceCodes3);
             if (ObjectUtil.isEmpty(device3)) {
                 String message = "未找到合适的下料完成取空设备。";
                 this.message = message;