diff --git a/platformapi/tiktok_shop/tiktok_api/settl_bill_detail_test.go b/platformapi/tiktok_shop/tiktok_api/settl_bill_detail_test.go
index d67f246a..4c41c37e 100644
--- a/platformapi/tiktok_shop/tiktok_api/settl_bill_detail_test.go
+++ b/platformapi/tiktok_shop/tiktok_api/settl_bill_detail_test.go
@@ -14,5 +14,7 @@ func TestBillDetail(t *testing.T) {
 }
 
 func TestLen(t *testing.T) {
-	fmt.Println(len("【新鲜】带皮猪五花肉约500g/份"))
+	fmt.Println((57 & 1) != 0)
+	fmt.Println((57 & 64) != 0)
+	fmt.Println((0 & 8))
 }