diff --git a/src/views/eam/basic/item/item.data.ts b/src/views/eam/basic/item/item.data.ts
index 82d5141..22411c0 100644
--- a/src/views/eam/basic/item/item.data.ts
+++ b/src/views/eam/basic/item/item.data.ts
@@ -8,9 +8,10 @@ export const ItemRules = reactive({
     { max: 50, message: '不得超过50个字符', trigger: 'blur' }
   ],
   uom: [
-    { max: 50, message: '不得超过50个字符', trigger: 'blur' }
+    { required: true, message: '请选择输入单位', trigger: 'blur' },
+    { max: 50, message: '不得超过20个字符', trigger: 'blur' }
   ],
-  classification: [ { required: true, message: '请输入备件编号', trigger: 'blur' }
+  classification: [ { required: true, message: '请选择分类编号', trigger: 'blur' }
   ],
 })
 
@@ -154,6 +155,16 @@ export const Item = useCrudSchemas(reactive<CrudSchema[]>([
       width: 110
     },
   },
+  {
+    label: '单位',
+    field: 'uom',
+    sort: 'custom',
+    isSearch: false,
+    isTable: true,
+    tableForm: {
+      type: 'Select'
+    }
+  },
   {
     label: '价格',
     field: 'price',