diff --git a/src/views/mes/bom/BomForm.vue b/src/views/mes/bom/BomForm.vue
index f753bb2a..4b1bccc3 100644
--- a/src/views/mes/bom/BomForm.vue
+++ b/src/views/mes/bom/BomForm.vue
@@ -184,7 +184,7 @@ const resetForm = () => {
     code: undefined,
     version: '1.0',
     productId: undefined,
-    unitId: 5,
+    unitId: undefined,
     yieldRate: 100,
     remark: undefined,
     isEnable: true