I don't know why,please help me!

When i begin my test case,here is thatimage

Hi @1218119093,

There are a couple of things you can try. First of all, make sure you have Appium Server 1.8.1 installed. Here are some troubleshooting tips for common problems:

As for INSTALL_PARSE_FAILED_NO_CERTIFICATES, please check out this post to see if it helps:

Hope this helps,