my garrys mod low ping but usually pause a moment how to fix?

[power2938751]

why my ttt server usually low ping and pause a moment??
here's my server.cfg
hostname "[ш∀ηбσ™]๖ۣۜ台灣芒果伺服器"
sv_lan 0
maxplayers 20

ttt_round_limit 20

sv_voiceenable 1
sv_alltalk 0

sv_maxcmdrate 66
sv_mincmdrate 33
sv_maxupdaterate 66
sv_minupdaterate 33
sv_maxrate 30000
sv_minrate 7500

mp_falldamage 1

decalfrequency 3

sv_logbans 1
sv_stats 1
log 1

sv_cheats 0
sv_allowdownload 1
sv_allowupload 1
net_maxfilesize 64

sbox_allownpcs 0
sbox_maxprops 30
sbox_maxragdolls 0
sbox_maxnpcs 0
sbox_maxballoons 0
sbox_maxeffects 0
sbox_maxdynamite 0
sbox_maxlamps 0
sbox_maxthrusters 5
sbox_maxwheels 4
sbox_plpldamage 0
sbox_playergod 0
sbox_maxhoverballs 0
sbox_maxvehicles 0
sbox_maxbuttons 5
sbox_maxturrets 0
sbox_noclip 0
sbox_godmode 0

sv_region 4
sv_timeout 65
fps_max 128
sv_stats 0
mp_timelimit 180

and i have addons are:
point shop
ulx admin
welcome chat and sound
ttt roundmusic
and some point shop player models
and some maps
what's wrong?
who can help me!!

[c👌de_g🎷]

What's the issue? Your English is a bit broken. Are you saying you have lag?

[power2938751]

[QUOTE=code_gs;43882195]What's the issue? Your English is a bit broken. Are you saying you have lag?[/QUOTE]
yeah lag whats happen? can help me?