diff --git a/platformapi/kuaishou_mini/kuaishou_test.go b/platformapi/kuaishou_mini/kuaishou_test.go
index 39b26508..cfb2f817 100644
--- a/platformapi/kuaishou_mini/kuaishou_test.go
+++ b/platformapi/kuaishou_mini/kuaishou_test.go
@@ -103,3 +103,7 @@ func TestAaww(t *testing.T) {
 		fmt.Println(utils.Str2Int64(value))
 	}
 }
+
+func TestLen(t *testing.T) {
+	fmt.Println(len("ChJrc01wUGF5Lm9yZGVyVG9rZW4SUP-S69vDW6NXUdGJJzqMLVObb1kgoXHrLPA-DPFFatGblYLtl9RfSthO5gpYCYgqVvxssxqhTaEo7o_IMSFE3vaj_kCyB9VXrN6cUMzbR7I5GhKdjrmQJwdL5mBuRor3eHSGhfsiIM_Zx5g9T__A6TwjoclKptFlQTKaRvh5aIr_EAJvYYR0KAUwAQ"))
+}