How do small programs jump out of the chain?

Tutorial for adding external chains to applets:

(1) login applet background configuration service domain name (development->; Development settings-> Commercial domain name);

(2) Click Start Configuration, and then download mcrc (note: the external URL must be the domain name of https);

(3) uploading the verification file to the root directory of the website;

(4) Then save the input domain name, prompting that the verification is successful;

(5) In the background of the system applet, add a module on the home page/blank page, and then jump to the webpage by finding the link-selecting the function-jumping the webpage link.