@Override
    public <R> R queryOne(String sql, Class<R> cls) {
        return queryOne(jdbcTemplate, sql, cls);
    }
@Test
    void testQueryOne1() {
        String sql = "SELECT 1";
        Class<Long> clazz = Long.class;
        Long num = 1L;
        when(jdbcTemplate.queryForObject(sql, clazz)).thenReturn(num);
        assertEquals(operate.queryOne(sql, clazz), (Long) 1L);
    }