diff --git a/uapbd/src/private/nc/impl/bd/material/baseinfo/BillDateCheckListener.java b/uapbd/src/private/nc/impl/bd/material/baseinfo/BillDateCheckListener.java
index 3e4f338..3bc39c0 100644
--- a/uapbd/src/private/nc/impl/bd/material/baseinfo/BillDateCheckListener.java
+++ b/uapbd/src/private/nc/impl/bd/material/baseinfo/BillDateCheckListener.java
@@ -83,11 +83,25 @@ public class BillDateCheckListener implements IBusinessListener {
             Calendar maxDateCal = Calendar.getInstance();
             maxDateCal.set(currentYear, currentMonth, 24); // 本月24号
             maxDateCal.add(Calendar.DATE, 10); // 24号+10天
+            maxDateCal.set(Calendar.HOUR_OF_DAY, 0);    // 清除时间部分
+            maxDateCal.set(Calendar.MINUTE, 0);         // 确保时间为00:00:00.000
+            maxDateCal.set(Calendar.SECOND, 0);
+            maxDateCal.set(Calendar.MILLISECOND, 0);
 
             // 2. 计算下个月1号的最小允许日期
             Calendar minDateCal = Calendar.getInstance();
             minDateCal.set(currentYear, currentMonth, 1); // 本月1号
             minDateCal.add(Calendar.MONTH, 1); // 下个月1号
+            minDateCal.set(Calendar.HOUR_OF_DAY, 0);    // 清除时间部分
+            minDateCal.set(Calendar.MINUTE, 0);         // 确保时间为00:00:00.000
+            minDateCal.set(Calendar.SECOND, 0);
+            minDateCal.set(Calendar.MILLISECOND, 0);
+
+            // 3. 清除billCal的时间部分
+            billCal.set(Calendar.HOUR_OF_DAY, 0);
+            billCal.set(Calendar.MINUTE, 0);
+            billCal.set(Calendar.SECOND, 0);
+            billCal.set(Calendar.MILLISECOND, 0);
 
             // 3. 检查单据日期是否在下个月范围内
             boolean isNextMonth = billCal.get(Calendar.MONTH) == minDateCal.get(Calendar.MONTH) &&