diff --git a/oms_web/oms_vue/src/api/sip/purchaseorder.js b/oms_web/oms_vue/src/api/sip/purchaseorder.js
index ff351b2b..228bb04c 100644
--- a/oms_web/oms_vue/src/api/sip/purchaseorder.js
+++ b/oms_web/oms_vue/src/api/sip/purchaseorder.js
@@ -35,6 +35,15 @@ export function updatePurchaseorder(data) {
   })
 }
 
+// 申请采购单主表
+export function applyPurchaseorder(data) {
+  return request({
+    url: '/sip/purchaseorder/apply',
+    method: 'put',
+    data: data
+  })
+}
+
 // 删除采购单主表
 export function delPurchaseorder(id) {
   return request({
diff --git a/oms_web/oms_vue/src/views/purchaseorder/index.vue b/oms_web/oms_vue/src/views/purchaseorder/index.vue
index 235a4da7..c88d5e92 100644
--- a/oms_web/oms_vue/src/views/purchaseorder/index.vue
+++ b/oms_web/oms_vue/src/views/purchaseorder/index.vue
@@ -121,6 +121,7 @@
       <el-table-column label="操作" align="center" class-name="small-padding fixed-width" fixed="right">
         <template slot-scope="scope">
           <el-button
+            v-if="scope.row.approveStatus === 0 || scope.row.approveStatus === 3"
             size="mini"
             type="text"
             icon="el-icon-edit"
@@ -129,6 +130,16 @@
           >修改
           </el-button>
           <el-button
+            v-if="scope.row.approveStatus === 0 || scope.row.approveStatus === 3"
+            size="mini"
+            type="text"
+            icon="el-icon-s-promotion"
+            @click="handleApply(scope.row)"
+            v-hasPermi="['sip:purchaseorder:edit']"
+          >申请采购
+          </el-button>
+          <el-button
+            v-if="scope.row.approveStatus === 0 || scope.row.approveStatus === 3"
             size="mini"
             type="text"
             icon="el-icon-delete"
@@ -168,7 +179,8 @@ import {
   getPurchaseorder,
   delPurchaseorder,
   addPurchaseorder,
-  updatePurchaseorder
+  updatePurchaseorder,
+  applyPurchaseorder
 } from "@/api/sip/purchaseorder";
 import PurchaseOrderDetail from './components/PurchaseOrderDetail';
 
@@ -293,6 +305,18 @@ export default {
         this.$modal.msgSuccess("删除成功");
       }).catch(() => {
       });
+    },
+    /** 申请采购按钮操作 */
+    handleApply(row) {
+      this.$modal.confirm('是否确认申请采购编号为"' + row.purchaseNo + '"的数据项？').then(() => {
+        let form = {...row};
+        form.approveStatus = 1; // 设置审批状态为 1 (审批中)
+        return applyPurchaseorder(form);
+      }).then(() => {
+        this.getList();
+        this.$modal.msgSuccess("申请采购成功");
+      }).catch(() => {
+      });
     }
   }
 };
diff --git a/ruoyi-sip/src/main/java/com/ruoyi/sip/controller/vue/OmsPurchaseOrderController.java b/ruoyi-sip/src/main/java/com/ruoyi/sip/controller/vue/OmsPurchaseOrderController.java
index 66559fcd..64f837a3 100644
--- a/ruoyi-sip/src/main/java/com/ruoyi/sip/controller/vue/OmsPurchaseOrderController.java
+++ b/ruoyi-sip/src/main/java/com/ruoyi/sip/controller/vue/OmsPurchaseOrderController.java
@@ -85,6 +85,17 @@ public class OmsPurchaseOrderController extends BaseController
         return toAjax(omsPurchaseOrderService.updateOmsPurchaseOrder(omsPurchaseOrder));
     }
 
+    /**
+     * 申请采购单主表
+     */
+    @RequiresPermissions("sip:purchaseorder:edit")
+    @Log(title = "采购单主表", businessType = BusinessType.UPDATE)
+    @PutMapping("/apply")
+    public AjaxResult apply(@RequestBody OmsPurchaseOrder omsPurchaseOrder)
+    {
+        return toAjax(omsPurchaseOrderService.applyForPurchaseOrder(omsPurchaseOrder));
+    }
+
     /**
      * 删除采购单主表
      */
diff --git a/ruoyi-sip/src/main/java/com/ruoyi/sip/domain/OmsPurchaseOrder.java b/ruoyi-sip/src/main/java/com/ruoyi/sip/domain/OmsPurchaseOrder.java
index 877c2730..63cd9522 100644
--- a/ruoyi-sip/src/main/java/com/ruoyi/sip/domain/OmsPurchaseOrder.java
+++ b/ruoyi-sip/src/main/java/com/ruoyi/sip/domain/OmsPurchaseOrder.java
@@ -84,6 +84,9 @@ public class OmsPurchaseOrder extends BaseEntity
     /** 删除标志（0正常 1删除） */
     private Integer delFlag;
 
+    /** 版本号 */
+    private Integer version;
+
     /** 采购单明细表信息 */
     private List<OmsPurchaseOrderItem> omsPurchaseOrderItemList;
 
diff --git a/ruoyi-sip/src/main/java/com/ruoyi/sip/mapper/OmsPurchaseOrderMapper.java b/ruoyi-sip/src/main/java/com/ruoyi/sip/mapper/OmsPurchaseOrderMapper.java
index fb4245ba..62c34911 100644
--- a/ruoyi-sip/src/main/java/com/ruoyi/sip/mapper/OmsPurchaseOrderMapper.java
+++ b/ruoyi-sip/src/main/java/com/ruoyi/sip/mapper/OmsPurchaseOrderMapper.java
@@ -88,4 +88,6 @@ public interface OmsPurchaseOrderMapper
     int selectMaxOrderCode(String string);
 
     List<OmsPurchaseOrderItem> listItemByPurchaseId(Long id);
+
+    int updateOmsPurchaseOrderStatus(OmsPurchaseOrder omsPurchaseOrder);
 }
diff --git a/ruoyi-sip/src/main/java/com/ruoyi/sip/service/IOmsPurchaseOrderService.java b/ruoyi-sip/src/main/java/com/ruoyi/sip/service/IOmsPurchaseOrderService.java
index fec89318..9261e70e 100644
--- a/ruoyi-sip/src/main/java/com/ruoyi/sip/service/IOmsPurchaseOrderService.java
+++ b/ruoyi-sip/src/main/java/com/ruoyi/sip/service/IOmsPurchaseOrderService.java
@@ -43,6 +43,14 @@ public interface IOmsPurchaseOrderService
      */
     public int updateOmsPurchaseOrder(OmsPurchaseOrder omsPurchaseOrder);
 
+    /**
+     * 申请采购单
+     *
+     * @param omsPurchaseOrder 采购单主表
+     * @return 结果
+     */
+    public int applyForPurchaseOrder(OmsPurchaseOrder omsPurchaseOrder);
+
     /**
      * 批量删除采购单主表
      * 
diff --git a/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/OmsPurchaseOrderServiceImpl.java b/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/OmsPurchaseOrderServiceImpl.java
index 3ffa6a36..ffa37949 100644
--- a/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/OmsPurchaseOrderServiceImpl.java
+++ b/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/OmsPurchaseOrderServiceImpl.java
@@ -5,40 +5,47 @@ import java.util.List;
 import cn.hutool.core.collection.CollUtil;
 import com.ruoyi.common.exception.ServiceException;
 import com.ruoyi.common.utils.DateUtils;
-import com.ruoyi.sip.domain.Cnarea;
-import com.ruoyi.sip.domain.VendorInfo;
+import com.ruoyi.sip.domain.*;
+import com.ruoyi.sip.mapper.OmsPurchaseOrderItemHistoryMapper;
+import com.ruoyi.sip.mapper.OmsPurchaseOrderHistoryMapper;
 import com.ruoyi.sip.service.ICnareaService;
 import com.ruoyi.sip.service.IVendorInfoService;
+import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import java.util.ArrayList;
 import com.ruoyi.common.utils.StringUtils;
 import org.springframework.transaction.annotation.Transactional;
-import com.ruoyi.sip.domain.OmsPurchaseOrderItem;
 import com.ruoyi.sip.mapper.OmsPurchaseOrderMapper;
-import com.ruoyi.sip.domain.OmsPurchaseOrder;
 import com.ruoyi.sip.service.IOmsPurchaseOrderService;
 
 import javax.annotation.Resource;
 
 /**
  * 采购单主表Service业务层处理
- * 
+ *
  * @author ruoyi
  * @date 2025-11-24
  */
 @Service
-public class OmsPurchaseOrderServiceImpl implements IOmsPurchaseOrderService 
+public class OmsPurchaseOrderServiceImpl implements IOmsPurchaseOrderService
 {
     @Resource
     private OmsPurchaseOrderMapper omsPurchaseOrderMapper;
+
+    @Resource
+    private OmsPurchaseOrderHistoryMapper omsPurchaseOrderHistoryMapper;
+
+    @Resource
+    private OmsPurchaseOrderItemHistoryMapper omsPurchaseOrderItemHistoryMapper;
+
     @Autowired
     private ICnareaService cnareaService;
     @Autowired
     private IVendorInfoService vendorInfoService;
     /**
      * 查询采购单主表
-     * 
+     *
      * @param id 采购单主表主键
      * @return 采购单主表
      */
@@ -54,7 +61,7 @@ public class OmsPurchaseOrderServiceImpl implements IOmsPurchaseOrderService
 
     /**
      * 查询采购单主表列表
-     * 
+     *
      * @param omsPurchaseOrder 采购单主表
      * @return 采购单主表
      */
@@ -66,7 +73,7 @@ public class OmsPurchaseOrderServiceImpl implements IOmsPurchaseOrderService
 
     /**
      * 新增采购单主表
-     * 
+     *
      * @param omsPurchaseOrder 采购单主表
      * @return 结果
      */
@@ -76,6 +83,8 @@ public class OmsPurchaseOrderServiceImpl implements IOmsPurchaseOrderService
     {
         omsPurchaseOrder.setCreateTime(DateUtils.getNowDate());
         omsPurchaseOrder.setPurchaseNo(generatePurchaseNo(omsPurchaseOrder.getVendorId()));
+        // 设置初始版本号为 1
+        omsPurchaseOrder.setVersion(1);
         int rows = omsPurchaseOrderMapper.insertOmsPurchaseOrder(omsPurchaseOrder);
         insertOmsPurchaseOrderItem(omsPurchaseOrder);
         return rows;
@@ -84,7 +93,7 @@ public class OmsPurchaseOrderServiceImpl implements IOmsPurchaseOrderService
     /**
      * 生成订单编号
      *
-     * @param province 省份代码
+     * @param vendorId 制造商ID
      * @return 订单编号
      */
 
@@ -115,7 +124,7 @@ public class OmsPurchaseOrderServiceImpl implements IOmsPurchaseOrderService
     }
     /**
      * 修改采购单主表
-     * 
+     *
      * @param omsPurchaseOrder 采购单主表
      * @return 结果
      */
@@ -123,15 +132,55 @@ public class OmsPurchaseOrderServiceImpl implements IOmsPurchaseOrderService
     @Override
     public int updateOmsPurchaseOrder(OmsPurchaseOrder omsPurchaseOrder)
     {
+        // 1. 查询旧的订单信息
+        OmsPurchaseOrder oldOrder = omsPurchaseOrderMapper.selectOmsPurchaseOrderById(omsPurchaseOrder.getId());
+        if (oldOrder == null) {
+            throw new ServiceException("订单不存在");
+        }
+        // 2. 保存历史记录
+        saveOrderHistory(oldOrder);
+
+        // 3. 更新订单信息
         omsPurchaseOrder.setUpdateTime(DateUtils.getNowDate());
+        // 版本号 +1
+        omsPurchaseOrder.setVersion(oldOrder.getVersion() + 1);
         omsPurchaseOrderMapper.deleteOmsPurchaseOrderItemByPurchaseId(omsPurchaseOrder.getId());
         insertOmsPurchaseOrderItem(omsPurchaseOrder);
         return omsPurchaseOrderMapper.updateOmsPurchaseOrder(omsPurchaseOrder);
     }
 
+    @Override
+    public int applyForPurchaseOrder(OmsPurchaseOrder omsPurchaseOrder) {
+        omsPurchaseOrder.setUpdateTime(DateUtils.getNowDate());
+        return omsPurchaseOrderMapper.updateOmsPurchaseOrderStatus(omsPurchaseOrder);
+    }
+
+
+    private void saveOrderHistory(OmsPurchaseOrder oldOrder) {
+        // 复制主表信息到历史表
+        OmsPurchaseOrderHistory historyOrder = new OmsPurchaseOrderHistory();
+        BeanUtils.copyProperties(oldOrder, historyOrder);
+        historyOrder.setPurchaseId(oldOrder.getId()); // 设置原始订单ID
+        omsPurchaseOrderHistoryMapper.insertOmsPurchaseOrderHistory(historyOrder);
+
+        // 复制子表信息到历史表
+        List<OmsPurchaseOrderItem> oldItems = omsPurchaseOrderMapper.listItemByPurchaseId(oldOrder.getId());
+        if (CollUtil.isNotEmpty(oldItems)) {
+            List<OmsPurchaseOrderItemHistory> historyItems = new ArrayList<>();
+            for (OmsPurchaseOrderItem oldItem : oldItems) {
+                OmsPurchaseOrderItemHistory historyItem = new OmsPurchaseOrderItemHistory();
+                BeanUtils.copyProperties(oldItem, historyItem);
+                historyItem.setPurchaseHistoryId(historyOrder.getId()); // 设置历史主表ID
+                historyItem.setOriginalPurchaseId(oldOrder.getId()); // 设置原始订单ID
+                historyItems.add(historyItem);
+            }
+            omsPurchaseOrderItemHistoryMapper.batchOmsPurchaseOrderItemHistory(historyItems);
+        }
+    }
+
     /**
      * 批量删除采购单主表
-     * 
+     *
      * @param ids 需要删除的采购单主表主键
      * @return 结果
      */
@@ -145,7 +194,7 @@ public class OmsPurchaseOrderServiceImpl implements IOmsPurchaseOrderService
 
     /**
      * 删除采购单主表信息
-     * 
+     *
      * @param id 采购单主表主键
      * @return 结果
      */
@@ -159,7 +208,7 @@ public class OmsPurchaseOrderServiceImpl implements IOmsPurchaseOrderService
 
     /**
      * 新增采购单明细表信息
-     * 
+     *
      * @param omsPurchaseOrder 采购单主表对象
      */
     public void insertOmsPurchaseOrderItem(OmsPurchaseOrder omsPurchaseOrder)
@@ -181,3 +230,4 @@ public class OmsPurchaseOrderServiceImpl implements IOmsPurchaseOrderService
         }
     }
 }
+