diff --git a/beike/Admin/Http/Requests/ProductRequest.php b/beike/Admin/Http/Requests/ProductRequest.php
index adf715fe..dc2d0a5d 100644
--- a/beike/Admin/Http/Requests/ProductRequest.php
+++ b/beike/Admin/Http/Requests/ProductRequest.php
@@ -38,7 +38,7 @@ class ProductRequest extends FormRequest
             'skus.*.sku' => 'required|string',
             'skus.*.price' => 'required|numeric',
             'skus.*.origin_price' => 'required|numeric',
-            'skus.*.cost_price' => 'required|numeric',
+            'skus.*.cost_price' => 'numeric',
         ];
     }