diff --git a/bms-back/bms-system/src/main/java/com/bms/price/oracle/TabOrderMonitorService.java b/bms-back/bms-system/src/main/java/com/bms/price/oracle/TabOrderMonitorService.java
index 13462c55..a9cd8c5e 100644
--- a/bms-back/bms-system/src/main/java/com/bms/price/oracle/TabOrderMonitorService.java
+++ b/bms-back/bms-system/src/main/java/com/bms/price/oracle/TabOrderMonitorService.java
@@ -728,10 +728,26 @@ public class TabOrderMonitorService
         return s == null ? "" : s;
     }
 
-    /** 已排序主键的内存分页切片，并按切片顺序回查明细（VO）。 */
+    /** 已排序主键的内存分页切片，并按切片顺序回查明细（VO）。
+     *  列表页只需展示列：走窄列 ListByIds，避免公网传输 o.* 全行宽表（同步专用）拖慢列表。 */
     private List<TabOrderMonitorVo> doPageByKeys(String table, List<MatchedOrderKey> orderedKeys, int pn, int ps)
     {
-        return toVoList(doRowsByKeys(table, orderedKeys, pn, ps));
+        if (orderedKeys == null || orderedKeys.isEmpty())
+        {
+            return Collections.emptyList();
+        }
+        int from = (pn - 1) * ps;
+        if (from >= orderedKeys.size())
+        {
+            return Collections.emptyList();
+        }
+        List<MatchedOrderKey> slice = orderedKeys.subList(from, Math.min(from + ps, orderedKeys.size()));
+        List<String> ids = new ArrayList<String>(slice.size());
+        for (MatchedOrderKey key : slice)
+        {
+            ids.add(key.getId());
+        }
+        return loadListVosByIds(table, ids);
     }
 
     /** 已排序主键的内存分页切片，按切片顺序回查全行（VO + Oracle 原始行）。 */
diff --git a/bms-back/bms-system/src/main/resources/mapper/price/OracleUpstreamOrderMapper.xml b/bms-back/bms-system/src/main/resources/mapper/price/OracleUpstreamOrderMapper.xml
index b75903a4..e403e0ce 100644
--- a/bms-back/bms-system/src/main/resources/mapper/price/OracleUpstreamOrderMapper.xml
+++ b/bms-back/bms-system/src/main/resources/mapper/price/OracleUpstreamOrderMapper.xml
@@ -58,10 +58,13 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             1 = 1
         </if>
         <if test="query.beginTime != null and query.beginTime != ''">
-            AND o.PICKUP_DATE &gt;= TO_TIMESTAMP(#{query.beginTime}, 'YYYY-MM-DD HH24:MI:SS')
+            <!-- PICKUP_DATE 是 DATE 列：必须用 TO_DATE 比较；TO_TIMESTAMP 会触发
+                 INTERNAL_FUNCTION(列) 使 (CUSTOMER_CODE, PICKUP_DATE) 复合索引失效，
+                 客户+提货时间查询从 1s 恶化到 200s+ -->
+            AND o.PICKUP_DATE &gt;= TO_DATE(#{query.beginTime}, 'YYYY-MM-DD HH24:MI:SS')
         </if>
         <if test="query.endTime != null and query.endTime != ''">
-            AND o.PICKUP_DATE &lt;= TO_TIMESTAMP(#{query.endTime}, 'YYYY-MM-DD HH24:MI:SS')
+            AND o.PICKUP_DATE &lt;= TO_DATE(#{query.endTime}, 'YYYY-MM-DD HH24:MI:SS')
         </if>
         AND o.BL_PICKUP = 1
         AND o.ORDER_STATUS IN (3, 4, 5, 6, 7, 8, 11)
@@ -135,11 +138,12 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     <!--
       Month-range list: sort only narrow keys, then Java loads display/full rows by ID.
       Avoids ORDER BY on o.* which gets very slow when pickup window is ~1 month.
+      TO_DATE 比较（勿改回 TO_TIMESTAMP）：索引可 sargable 走 (CUSTOMER_CODE, PICKUP_DATE) 复合索引。
     -->
     <select id="selectTabOrderMonitorKeyPage" resultType="java.util.HashMap">
         SELECT ID FROM (
             SELECT inner_q.ID AS ID, ROWNUM AS rn FROM (
-                SELECT /*+ FIRST_ROWS(${endRow}) */ o.ID, o.PICKUP_DATE, o.ORDER_ID
+                SELECT o.ID, o.PICKUP_DATE, o.ORDER_ID
                   FROM ${orderTable} o
                  WHERE
                 <include refid="tabOrderMonitorWhere"/>