Splash does not execute mouse click

[Auditor21496]

I want to use splash to click on this button ( Trước) but when i run the code the page still stayed the same. Can anyone know what is wrong with my code.

`import scrapy from scrapy_splash import SplashRequest

class CafefSpiderSpider(scrapy.Spider): name = 'cafef_spider' allowed_domains = ['s.cafef.vn'] start_urls = ['http://s.cafef.vn/hose/PPC-cong-ty-co-phan-nhiet-dien-pha-lai.chn']

def start_requests(self):
    filters_script = """function main(splash)
                                                splash.plugins_enabled = true
                                                assert(splash:go(splash.args.url))
                                                splash:wait(10)

                                                local get_element_dim_by_xpath = splash:jsfunc([[
                                                    function(xpath) {
                                                        var element = document.evaluate(xpath, document, null,
                                                            XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
                                                        var element_rect = element.getClientRects()[0];
                                                        return {"x": element_rect.left, "y": element_rect.top}
                                                    }
                                                ]])

                                                -- back one quarter
                                                local make_dimensions = get_element_dim_by_xpath(
                                                    '//*[contains(text(),"Theo năm")]')
                                                splash:set_viewport_full()
                                                splash:mouse_click(make_dimensions.x, make_dimensions.y)
                                                splash:wait(5)

                                                return splash:html()
                                            end"""

    yield SplashRequest(url='http://s.cafef.vn/hose/PPC-cong-ty-co-phan-nhiet-dien-pha-lai.chn',
                        endpoint='execute',
                        callback=self.parse,
                        args={'lua_source': filters_script}
                        )

def parse(self, response):
    data = response.xpath('//*[contains(text(),"6,235,981")]/text()').extract()
    print(data)

`