fix: 修复供货商订单表格宽度问题

frontend/src/views/supplier/Orders.vue

@@ -1,7 +1,7 @@
 <template>
   <div class="orders-page">
     <div class="table-card">
-      <el-table :data="orders">
+      <el-table :data="orders" style="width: 100%">
         <el-table-column prop="id" label="ID" width="80" />
         <el-table-column prop="total_amount" label="金额" width="100"><template #default="{ row }">¥{{ row.total_amount }}</template></el-table-column>
         <el-table-column prop="status" label="状态" width="120">
@@ -9,7 +9,7 @@
             <el-tag :type="statusType(row.status)">{{ statusText(row.status) }}</el-tag>
           </template>
         </el-table-column>
-        <el-table-column label="创建时间" width="180">
+        <el-table-column label="创建时间" min-width="180">
           <template #default="{ row }">{{ formatDate(row.created_at) }}</template>
         </el-table-column>
         <el-table-column label="操作" width="200">