1. Add configuration to info.plist to allow http access
The request for http was unsuccessful, perhaps because of the lack of configuration of "Info.plist".
Since iOS9 uses the more secure https, in order to use http to send network requests normally in iOS9, open the "Info.plist" in the project and configure the following.
2.Command PhaseScriptExecution failed with a nonzero exit code
Solution:
1. Open the terminal.
2. Enter the following command:
chmod +x /Users/