M5StackCore2 Bluetouch have cache？

[pickmonster]

Q1:
I tried to create a ble-server, At the first time I set the service uuid a value, and the next time I set another uuid value, but there show also old value.
Q2:
I tried esp32 ble-server to blue-touch connect, but I found a question When I perform a Bluetooth connection, 3 services are created, but only one is available.

Example Code Link:https://github.com/espressif/arduino-esp32/blob/master/libraries/BLE/examples/BLE_server/BLE_server.ino