Wechat applet reports an error request:fail -2:net:: err_ FAILED

Wechat applet reports an error in real machine mode ：request:fail -2:net::ERR_FAILED

---

Problem description

wx.requset Request an error , The domain name has added trust and Https, An error is reported in the real machine mode

wx.requset({
    
	url:"https://www......",
	success:(res=>{
    
    	console.log(" The request is successful =>",res);
    }),
    fail:(err=>{
    
       console.log(" Request failed =>",err);
    })
)

Cause analysis ：

Server's SSL Certificates are issued using intermediate certificates , The intermediate certificate is missing in the server

Solution ：

Completion certificate