diff --git a/src/utils/CommonFunc.lua b/src/utils/CommonFunc.lua
index 4fcfc48..0795095 100644
--- a/src/utils/CommonFunc.lua
+++ b/src/utils/CommonFunc.lua
@@ -100,7 +100,7 @@ end
 -- 判断是不是同一个月
 function isCrossMonth(target, now)
 	now = now or skynet.timex()
-	local tarTm = os.date("*t", target)
+	local tarTm = os.date("*t", target - RESET_TIME * 3600)
 	local nowTm = os.date("*t", now - RESET_TIME * 3600)
 	if tarTm.year == nowTm.year and tarTm.month == nowTm.month then
 		return false
--
libgit2 0.21.2