diff --git a/com/openhis/web/outpatient/mapper/OrderMapper.java b/com/openhis/web/outpatient/mapper/OrderMapper.java
index 5f0055de6..dda511ddd 100644
--- a/com/openhis/web/outpatient/mapper/OrderMapper.java
+++ b/com/openhis/web/outpatient/mapper/OrderMapper.java
@@ -51,67 +51,65 @@ public interface OrderMapper {
     Map<String, Object> selectOrderById(@Param("orderId") Long orderId);
 
     /**
-     * 更新医嘱状态为已退号（CANCELLED）。
+     * 根据医嘱 ID 查询医嘱明细，包括诊疗目录配置的总量单位（total_quantity_unit）。
+     * 该方法专门用于门诊医生站‑医嘱录入后展示总量单位，防止出现 null。
+     *
+     * @param orderId 医嘱主键
+     * @return 包含医嘱明细及 total_quantity_unit 的 Map，若不存在返回 null
+     */
+    @Select({
+        "SELECT o.id,",
+        "       o.patient_id,",
+        "       o.doctor_id,",
+        "       o.status,",
+        "       od.item_id,",
+        "       od.quantity,",
+        "       od.total_quantity,",
+        "       -- 诊疗目录表（his_item）中保存的总量单位字段",
+        "       i.total_quantity_unit,",
+        "       od.create_time",
+        "FROM   his_order o",
+        "       JOIN his_order_detail od ON o.id = od.order_id",
+        "       JOIN his_item i ON od.item_id = i.id",
+        "WHERE  o.id = #{orderId}"
+    })
+    Map<String, Object> selectOrderDetailById(@Param("orderId") Long orderId);
+
+    /**
+     * 将医嘱状态更新为已取消（CANCELLED）。
      *
      * @param orderId   医嘱主键
      * @param operator  操作人姓名
-     * @param remark    备注信息
+     * @param remark    备注
      */
-    @Update({
-        "<script>",
-        "UPDATE his_order",
-        "SET status = #{cancelStatus},",
-        "    updated_by = #{operator},",
-        "    updated_time = NOW(),",
-        "    remark = #{remark}",
-        "WHERE id = #{orderId}",
-        "</script>"
-    })
+    @Update("UPDATE his_order SET status = #{status}, updated_by = #{operator}, remark = #{remark}, update_time = NOW() " +
+            "WHERE id = #{orderId}")
     void updateOrderStatusToCancelled(@Param("orderId") Long orderId,
-                                      @Param("operator") String operator,
-                                      @Param("remark") String remark,
-                                      @Param("cancelStatus") String cancelStatus);
+                                     @Param("status") String status,
+                                     @Param("operator") String operator,
+                                     @Param("remark") String remark);
 
     /**
-     * 更新医嘱状态为已支付（PAID）。
+     * 将医嘱状态更新为已支付（PAID）。
      *
      * @param orderId   医嘱主键
      * @param operator  操作人姓名
-     * @param remark    备注信息
+     * @param remark    备注
      */
-    @Update({
-        "<script>",
-        "UPDATE his_order",
-        "SET status = #{paidStatus},",
-        "    updated_by = #{operator},",
-        "    updated_time = NOW(),",
-        "    remark = #{remark}",
-        "WHERE id = #{orderId}",
-        "</script>"
-    })
+    @Update("UPDATE his_order SET status = #{status}, updated_by = #{operator}, remark = #{remark}, update_time = NOW() " +
+            "WHERE id = #{orderId}")
     void updateOrderStatusToPaid(@Param("orderId") Long orderId,
+                                 @Param("status") String status,
                                  @Param("operator") String operator,
-                                 @Param("remark") String remark,
-                                 @Param("paidStatus") String paidStatus);
+                                 @Param("remark") String remark);
 
     /**
-     * 根据医嘱明细 ID 查询明细信息（包括总量单位）。
+     * 将排班号状态更新为已取号（3）。
      *
-     * @param detailId 明细主键
-     * @return 明细记录 Map
+     * @param scheduleSlotId 排班号主键
      */
-    @Select("SELECT d.*, c.total_quantity_unit FROM his_order_detail d " +
-            "LEFT JOIN his_catalog c ON d.catalog_id = c.id " +
-            "WHERE d.id = #{detailId}")
-    Map<String, Object> selectOrderDetailById(@Param("detailId") Long detailId);
+    @Update("UPDATE adm_schedule_slot SET status = 3, update_time = NOW() WHERE id = #{scheduleSlotId}")
+    void updateScheduleSlotStatusToFinished(@Param("scheduleSlotId") Long scheduleSlotId);
 
-    /**
-     * 更新排班号状态为已取号（3）。
-     *
-     * @param slotId 排班号主键
-     */
-    @Update("UPDATE adm_schedule_slot SET status = 3, updated_time = NOW() WHERE id = #{slotId}")
-    void updateScheduleSlotStatusToFinished(@Param("slotId") Long slotId);
-
-    // 其它已存在的方法保持不变...
+    // 其它已有方法（如分页查询待写病历等）保持不变
 }