diff --git a/src/components/printBill/bill.vue b/src/components/printBill/bill.vue
index 65ae0f4..d0cc721 100644
--- a/src/components/printBill/bill.vue
+++ b/src/components/printBill/bill.vue
@@ -73,6 +73,7 @@
       <table border="1" style="width: 100%; border-collapse: collapse; font-size: 12px;">
         <thead>
           <tr>
+            <th>序号</th>
             <th>物料号</th>
             <th>物料描述</th>
             <th>计量单位</th>
@@ -87,7 +88,8 @@
           </tr>
         </thead>
         <tbody>
-          <tr v-for="item in billAllObj" :key="item.id">
+          <tr v-for="(item, index) in billAllObj" :key="item.id">
+            <td style="text-align: center;">{{ index + 1 }}</td>
             <td style="text-align: center;">{{ item.wlNo }}</td>
             <td style="text-align: center;">{{ item.wlMs }}</td>
             <td style="text-align: center;">{{ item.dw }}</td>