CloudKit API响应时间慢？

I have made a simple app for interacting with a CloudKit database. Essentially it's just a date picker and two buttons, the first adding a new record with the set time to the database, and the second retrieving all the records. This seems to work fine except that all operations are extremely slow. It takes around 10 seconds to get a response from both saveRecord and performQuery. What am I doing wrong? Below is the code from retrieving records.I have made a simple app for interacting with a