diff --git a/src/views/wms/basicDataManage/itemManage/itembasic/itembasic.data.ts b/src/views/wms/basicDataManage/itemManage/itembasic/itembasic.data.ts
index 3024c7a55..8b51c9881 100644
--- a/src/views/wms/basicDataManage/itemManage/itembasic/itembasic.data.ts
+++ b/src/views/wms/basicDataManage/itemManage/itembasic/itembasic.data.ts
@@ -495,7 +495,7 @@ export const rules = reactive({
     { required: true, message: '请选择计量单位', trigger: 'change' },
   ],
   altUom:  [
-    { required: true, message: '请选择替代计量单位', trigger: 'change' },
+    { required: false, message: '请选择替代计量单位', trigger: 'change' },
   ],
   isStdPack:  [
     { required: true, message: '请选择是否标包', trigger: 'change' },