diff --git a/src/main/java/com/ycwl/basic/device/DeviceFactory.java b/src/main/java/com/ycwl/basic/device/DeviceFactory.java
index 6f62865..9108720 100644
--- a/src/main/java/com/ycwl/basic/device/DeviceFactory.java
+++ b/src/main/java/com/ycwl/basic/device/DeviceFactory.java
@@ -15,13 +15,16 @@ import com.ycwl.basic.model.pc.device.entity.DeviceEntity;
 public class DeviceFactory {
     public static IDeviceStorageOperator getDeviceStorageOperator(DeviceEntity device, DeviceConfigEntity config) {
         IDeviceStorageOperator operator = null;
-        if (config.getStoreType() == DeviceStoreTypeEnum.ALI_OSS.getType()) {
+        if (config == null) {
+            return null;
+        }
+        if (Integer.valueOf(DeviceStoreTypeEnum.ALI_OSS.getType()).equals(config.getStoreType())) {
             operator = new AliOssStorageOperator(config.getStoreConfigJson());
-        } else if (config.getStoreType() == DeviceStoreTypeEnum.WVP_ACTIVE.getType()) {
+        } else if (Integer.valueOf(DeviceStoreTypeEnum.WVP_ACTIVE.getType()).equals(config.getStoreType())) {
             operator = new WvpActiveStorageOperator(config.getStoreConfigJson());
-        } else if (config.getStoreType() == DeviceStoreTypeEnum.WVP_PASSIVE.getType()) {
+        } else if (Integer.valueOf(DeviceStoreTypeEnum.WVP_PASSIVE.getType()).equals(config.getStoreType())) {
             operator = new WvpPassiveStorageOperator(config.getStoreConfigJson());
-        } else if (config.getStoreType() == DeviceStoreTypeEnum.LOCAL.getType()) {
+        } else if (Integer.valueOf(DeviceStoreTypeEnum.LOCAL.getType()).equals(config.getStoreType())) {
             operator = new LocalStorageOperator(config.getStoreConfigJson());
         }
         if (operator == null) {