can any one help me with this problem in lab2?

[chengyu-123]

In "3. 附錄：Integrated Logic Analyzer (ILA)" can't drag fir_n11_maxi_0 to "nets to debug", does anyone has any idea

[boledulab]

The ILA debug only works while pynq/kv260 is connected to your local machine which running Vivado.
It is not working on current OnlineFPGA pynq/kv260.
https://docs.xilinx.com/r/en-US/ug936-vivado-tutorial-programming-debugging/Target-Board-and-Server-Set-Up