For cpp ws srv long file core dump (#833)

zhaomingwork

2023-08-11 dd29390ef0fdfc0ad1c13f0246b3184323eedb93

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p m    p.m.
pm    p.m.
p.m.
p.m    p.m.
am    a.m.
a.m.
a.m    a.m.
a m    a.m.