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How to integrate ZKTecho wl-20 with node js?

I have tried to integrate with zklib library but it throwing this error
{
data: ,
err: Error: TIME OUT !! 1 PACKETS REMAIN !
at Timeout. (C:UsersLenovoDesktopnode-zklib-masterzklibtcp.js:282:17)
at listOnTimeout (internal/timers.js:557:17)
at processTimers (internal/timers.js:500:7)
}