diff --git a/src/views/production-master-data/product-model/product-ng-info/index.vue b/src/views/production-master-data/product-model/product-ng-info/index.vue
index 09e831e6..63153795 100644
--- a/src/views/production-master-data/product-model/product-ng-info/index.vue
+++ b/src/views/production-master-data/product-model/product-ng-info/index.vue
@@ -316,11 +316,12 @@ export default {
       return { list: [], total: 0 }
     },
     normalizeRow (row) {
-      const deviceCategory = typeof row.DeviceCategory === 'object'
+      const isObject = value => value && typeof value === 'object'
+      const deviceCategory = isObject(row.DeviceCategory)
         ? row.DeviceCategory
-        : (typeof row.device_category === 'object'
+        : (isObject(row.device_category)
           ? row.device_category
-          : (typeof row.category === 'object' ? row.category : {}))
+          : (isObject(row.category) ? row.category : {}))
       const option = this.deviceCategoryOptions.find(item => String(item.value) === String(row.device_category_id || deviceCategory.id || ''))
       return {
         ...row,