feat: 添加汇率服务和缓存服务，优化数据源和日志服务

refactor: 重构数据源工厂和类型定义，提升代码可维护性

fix: 修复类型转换和状态机文档中的错误

docs: 更新服务架构文档，添加新的服务闭环流程

test: 添加汇率服务单元测试

chore: 清理无用代码和注释，优化代码结构

dashboard/src/pages/Orders/OrderList.tsx

@@ -641,21 +641,44 @@ export const OrderList: React.FC = () => {
           </Menu>
         );
 
+        // 根据订单状态显示主要操作按钮
+        const getPrimaryActionButton = () => {
+          switch (record.status) {
+            case 'PENDING':
+              return (
+                <Button type="primary" size="small" onClick={() => handleConfirmOrder(record)}>
+                  确认
+                </Button>
+              );
+            case 'CONFIRMED':
+              return (
+                <Button type="primary" size="small" onClick={() => handleShipOrder(record)}>
+                  发货
+                </Button>
+              );
+            case 'DELIVERED':
+              return (
+                <Button type="primary" size="small" onClick={() => handleCompleteOrder(record)}>
+                  完成
+                </Button>
+              );
+            case 'COMPLETED':
+              return (
+                <Button type="link" size="small" onClick={() => handleAfterSales(record)}>
+                  售后
+                </Button>
+              );
+            default:
+              return null;
+          }
+        };
+
         return (
-          <Space>
+          <Space size="small">
             <Button type="link" size="small" onClick={() => handleViewDetail(record)}>
               查看
             </Button>
-            {record.status === 'PENDING' && (
-              <Button type="link" size="small" onClick={() => handleConfirmOrder(record)}>
-                确认
-              </Button>
-            )}
-            {record.status === 'CONFIRMED' && (
-              <Button type="link" size="small" onClick={() => handleShipOrder(record)}>
-                发货
-              </Button>
-            )}
+            {getPrimaryActionButton()}
             <Dropdown overlay={menu} placement="bottomRight">
               <Button type="link" size="small" icon={<MoreOutlined />}>
                 更多
@@ -723,29 +746,50 @@ export const OrderList: React.FC = () => {
 
       <Row gutter={[16, 16]} style={{ marginBottom: 16 }}>
         <Col span={24}>
-          <Space style={{ display: 'flex', justifyContent: 'space-between' }}>
-            <Search
-              placeholder="搜索订单号或客户"
-              allowClear
-              enterButton
-              onSearch={handleSearch}
-              style={{ width: 300 }}
-            />
-            <Space>
-              <Button icon={<FilterOutlined />} onClick={() => setFilterVisible(true)}>
-                筛选
-              </Button>
-              <Button icon={<SortAscendingOutlined />} onClick={() => setSortDrawerVisible(true)}>
-                排序
-              </Button>
-              <Button icon={<ExportOutlined />}>
-                导出
-              </Button>
-              <Button icon={<SyncOutlined />} onClick={fetchOrders}>
-                刷新
-              </Button>
-            </Space>
-          </Space>
+          <Card>
+            <Row gutter={16}>
+              <Col span={12}>
+                <Space>
+                  <Search
+                    placeholder="搜索订单号或客户"
+                    allowClear
+                    enterButton
+                    onSearch={handleSearch}
+                    style={{ width: 300 }}
+                  />
+                  <Button icon={<FilterOutlined />} onClick={() => setFilterVisible(true)}>
+                    筛选
+                  </Button>
+                  <Button icon={<SortAscendingOutlined />} onClick={() => setSortDrawerVisible(true)}>
+                    排序
+                  </Button>
+                </Space>
+              </Col>
+              <Col span={12} style={{ textAlign: 'right' }}>
+                <Space>
+                  {selectedRows.length > 0 && (
+                    <Space>
+                      <Button onClick={() => message.info('批量确认功能开发中')}>
+                        批量确认
+                      </Button>
+                      <Button onClick={() => message.info('批量发货功能开发中')}>
+                        批量发货
+                      </Button>
+                      <Button danger onClick={() => message.info('批量取消功能开发中')}>
+                        批量取消
+                      </Button>
+                    </Space>
+                  )}
+                  <Button icon={<ExportOutlined />}>
+                    导出
+                  </Button>
+                  <Button icon={<SyncOutlined />} onClick={fetchOrders}>
+                    刷新
+                  </Button>
+                </Space>
+              </Col>
+            </Row>
+          </Card>
         </Col>
       </Row>
 
@@ -756,14 +800,17 @@ export const OrderList: React.FC = () => {
         loading={loading}
         rowKey="id"
         onChange={handleTableChange}
-        scroll={{ x: 1200 }}
+        scroll={{ x: 1300 }}
         pagination={{
           total: sortedOrders.length,
           pageSize: 10,
           showSizeChanger: true,
           showQuickJumper: true,
           showTotal: (total) => `共 ${total} 条`,
+          pageSizeOptions: ['10', '20', '50', '100'],
         }}
+        size="middle"
+        bordered
       />
 
       <Drawer