diff --git a/supply/category.go b/supply/category.go
index 31ca667..eb24c09 100644
--- a/supply/category.go
+++ b/supply/category.go
@@ -31,7 +31,11 @@ type ArgsCategoryLists struct {
 
 // Lists @Title 分类列表
 func (c *category) Lists(ctx context.Context, args ArgsCategoryLists) (result []CategoryItem, err error) {
-	err = client.GetClient(c).Call(ctx, "Lists", args, &result)
+	xClient, err := client.GetClient(c)
+	if err != nil {
+		return
+	}
+	err = xClient.Call(ctx, "Lists", args, &result)
 	return
 }