fix: 确保nRefresh有效并避免同时刻刷新可能

Author: ZXXX1999

MY_TeamMon/src/MY_TeamMon_SpellTimer.lua

@@ -147,9 +147,9 @@ local function CreateCountdown(nType, szKey, tParam, szSender, szReceiver)
 			ui.obj:RemoveItem()
 		end
 		-- 2025.08.25增加倒计时条强制设置nRefresh，nTime为-1，-2强制更改nRefresh
-		ST_TIME_EXPIRE[nType][szKey] = nTime + (tParam.nRefresh or 0) * 1000
+		ST_TIME_EXPIRE[nType][szKey] = nTime + (tParam.nRefresh or 0) * 1000 - 3
 	elseif tTime.nTime == -2 then
-		ST_TIME_EXPIRE[nType][szKey] = nTime + (tParam.nRefresh or 0) * 1000
+		ST_TIME_EXPIRE[nType][szKey] = nTime + (tParam.nRefresh or 0) * 1000 - 3
 	else
 		local nExpire = ST_TIME_EXPIRE[nType][szKey]
 		if nExpire and nExpire > nTime then