ADS2020 仿真错误，如何调整啊

Simulation Messages
Warning detected by hpeesofsim in topology check during circuit set up.
    Number of nodes with only one device attached (topology corrected): 3
Status / Summary
hpeesofsim (*) 510.shp Jul 22 2019, MINT version 5
    (64-bit windows built: Mon Jul 22, 2019 22:53:59 +0000)
TRAN Tran1[1] <Lab1_lib:ClockLgzh:schematic>   time=(0 s->10 ns)
Resource usage:
  Total stopwatch time     =     1.00 seconds.
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Simulation finished: dataset `ClockLgzh' written in:
  `E:\Projects\lab1_wrk/data'
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----  Creating New Display Window  ----
----          Please Wait...       ----
----         Window Created        ----
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