fix cpp ws client not exit when finished problem (#628)

zhaomingwork

2023-06-14 dde24214fecb1178f5c130f09ad162a1e5847877

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st    street
st    saint
dr    doctor
dr    drive
mt    mount
sr    senior
prof    professor
mt    mountain
sr    senior
jr    junior
vol    volume
rd    road
ave    avenue
approx    approximately