diff --git a/convertor/convertor_test.go b/convertor/convertor_test.go
index 3a42e23..9306004 100644
--- a/convertor/convertor_test.go
+++ b/convertor/convertor_test.go
@@ -121,7 +121,7 @@ func TestToString(t *testing.T) {
 		"", "",
 		"0", "1", "-1",
 		"123", "123", "123", "123", "123", "123", "123",
-		"12.3", "12.300000190734863",
+		"12.3", "12.3",
 		"true", "false",
 		"[1,2,3]", "{\"a\":1,\"b\":2,\"c\":3}", "{\"Name\":\"TestStruct\"}", "hello"}