Pagehelper.startpage is not effective

import com.github.pagehelper.PageHelper;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.Properties;
@Configuration
public class PageHelperConfigure {
    @Bean
    public PageHelper pageHelper() {
        PageHelper pageHelper = new PageHelper();
        // Add the configuration , You can also specify the file path 
        Properties p = new Properties();
        p.setProperty("offsetAsPageNum", "true");
        p.setProperty("rowBoundsWithCount", "true");
        p.setProperty("reasonable", "true");
        pageHelper.setProperties(p);
        return pageHelper;
    }
}