小程序后台已经正确的配置了downLoadFile地址，可小程序上预览文件还是提示错误？

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小程序后台已经正确的配置了downLoadFile地址，可小程序上预览文件还是提示错误？The downLoadFile address has been correctly configured in the backend of the applet, but the file preview on the applet still prompts an error?

The legal domain name of downloadfile is configured in the applet development management https://cx.chuangxinjuli.com and https://cx.chuangxinjuli.com:7004 As shown in the figure, but when the file preview is implemented on the applet? Still prompting http://cx.chuangxinjuli.com:7004 Is it not in the following downloadfile legal domain name list? How to configure it? For guidance, my attachment address is http://cx.chuangxinjuli.com:7004/1484352256081006592.docx Only when do not check the validity of the domain name is checked

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