diff --git a/com/openhis/web/outpatient/mapper/OrderMapper.java b/com/openhis/web/outpatient/mapper/OrderMapper.java
index 893bf2008..53ad15691 100644
--- a/com/openhis/web/outpatient/mapper/OrderMapper.java
+++ b/com/openhis/web/outpatient/mapper/OrderMapper.java
@@ -49,35 +49,65 @@ public interface OrderMapper {
      * **新增**：查询医嘱详情并返回总量单位。
      */
     @Select("SELECT o.*, d.total_unit FROM his_order o " +
-            "LEFT JOIN his_order_detail d ON o.id = d.order_id " +
+            "LEFT JOIN diagnosis_detail d ON o.diagnosis_detail_id = d.id " +
             "WHERE o.id = #{orderId}")
     Map<String, Object> selectOrderDetailById(@Param("orderId") Long orderId);
 
-    /**
-     * **新增**：将医嘱状态更新为已取消（CANCELLED）。
-     */
-    @Update("UPDATE his_order SET status = #{status} WHERE id = #{orderId}")
-    int updateOrderStatusToCancelled(@Param("orderId") Long orderId,
-                                     @Param("status") String status);
-
     /**
      * **新增**：将医嘱状态更新为已支付（PAID）。
+     *
+     * @param orderId 医嘱ID
+     * @param status  新状态码，建议使用 {@link #ORDER_STATUS_PAID}
+     * @return 受影响的行数
      */
     @Update("UPDATE his_order SET status = #{status} WHERE id = #{orderId}")
     int updateOrderStatusToPaid(@Param("orderId") Long orderId,
                                 @Param("status") String status);
 
     /**
-     * **新增**：分页查询待写病历记录，仅返回前端需要的字段。
+     * **新增**：将医嘱状态更新为取消（CANCELLED），用于门诊诊前退号。
+     *
+     * @param orderId 医嘱ID
+     * @param status  新状态码，建议使用 {@link #ORDER_STATUS_CANCELLED}
+     * @return 受影响的行数
      */
-    @Select("<script>" +
-            "SELECT mr.id, mr.patient_name AS patientName, mr.visit_no AS visitNo, " +
-            "mr.status, mr.create_time AS createTime " +
-            "FROM medical_record mr " +
-            "WHERE mr.status = 'PENDING' " +
-            "ORDER BY mr.create_time DESC " +
-            "LIMIT #{offset}, #{pageSize}" +
-            "</script>")
-    List<Map<String, Object>> selectPendingMedicalRecords(@Param("offset") int offset,
-                                                          @Param("pageSize") int pageSize);
+    @Update("UPDATE his_order SET status = #{status} WHERE id = #{orderId}")
+    int updateOrderStatusToCancelled(@Param("orderId") Long orderId,
+                                     @Param("status") String status);
+
+    /**
+     * 批量更新医嘱状态（通用），保留原有业务使用。
+     *
+     * @param orderIds 医嘱ID集合
+     * @param status   目标状态码
+     * @return 受影响的行数
+     */
+    @Update({
+        "<script>",
+        "UPDATE his_order",
+        "SET status = #{status}",
+        "WHERE id IN",
+        "<foreach item='id' collection='orderIds' open='(' separator=',' close=')'>",
+        "#{id}",
+        "</foreach>",
+        "</script>"
+    })
+    int batchUpdateOrderStatus(@Param("orderIds") List<Long> orderIds,
+                               @Param("status") String status);
+
+    /**
+     * 分页查询待写病历的医嘱（仅返回前端需要的字段），用于提升查询性能。
+     *
+     * @param doctorId   医生ID
+     * @param offset     起始行
+     * @param limit      每页行数
+     * @return 医嘱列表
+     */
+    @Select("SELECT id, item_name AS itemName, total_quantity AS totalQuantity, " +
+            "total_unit AS totalUnit, status FROM his_order " +
+            "WHERE doctor_id = #{doctorId} AND status = 'PENDING' " +
+            "ORDER BY create_time DESC LIMIT #{limit} OFFSET #{offset}")
+    List<Map<String, Object>> selectPendingMedicalRecords(@Param("doctorId") Long doctorId,
+                                                          @Param("offset") int offset,
+                                                          @Param("limit") int limit);
 }