diff --git a/utils/filter.wxs b/utils/filter.wxs
index 1ed0064..5825dc6 100644
--- a/utils/filter.wxs
+++ b/utils/filter.wxs
@@ -237,7 +237,7 @@ var filters = {
 		
 		if(dateType === 2) {
 			// N天后开始
-			begin_days = (o.begin_days === 0 ? o.begin_days : (o.begin_days - 1)) * 24 * 60 * 60 * 1000;
+			begin_days = o.begin_days * 24 * 60 * 60 * 1000;
 			// 有效天数
 			days = (o.effective_days - 1) * 24 * 60 * 60 * 1000;
 			startDate = filters.format_time2(currentDate + begin_days);