diff --git a/bms-front/src/views/ar/bill/components/GenerateBillDialog.vue b/bms-front/src/views/ar/bill/components/GenerateBillDialog.vue
index 9607db17..90e65078 100644
--- a/bms-front/src/views/ar/bill/components/GenerateBillDialog.vue
+++ b/bms-front/src/views/ar/bill/components/GenerateBillDialog.vue
@@ -73,8 +73,8 @@
           <el-table-column :prop="dateColumnProp" :label="dateColumnLabel" width="170" :formatter="formatDateColumn" />
           <el-table-column prop="productName" label="产品" min-width="140" show-overflow-tooltip />
           <el-table-column prop="countryName" label="国家/地区" min-width="110" show-overflow-tooltip />
-          <el-table-column prop="actualWeight" label="实际重(kg)" width="105" align="right" :formatter="formatNumberColumn" />
-          <el-table-column prop="chargeWeight" label="计费重(kg)" width="105" align="right" :formatter="formatNumberColumn" />
+          <el-table-column prop="actualWeight" label="实际重(kg)" width="105" align="right" :formatter="formatWeightColumn" />
+          <el-table-column prop="chargeWeight" label="计费重(kg)" width="105" align="right" :formatter="formatWeightColumn" />
           <el-table-column prop="incomeTotal" label="应收金额" width="110" align="right" :formatter="formatNumberColumn" />
           <el-table-column prop="currency" label="币种" width="75" />
         </el-table>
@@ -541,6 +541,7 @@ function date(value) {
 }
 function money(value) { const num = Number(value); return Number.isNaN(num) ? '-' : num.toFixed(2) }
 function formatDateColumn(_, __, value) { return date(value) }
+function formatWeightColumn(_, __, value) { return value == null || value === '' ? '-' : value }
 function formatNumberColumn(_, __, value) { return Number(value || 0).toFixed(2) }
 function createRequestId() { return globalThis.crypto?.randomUUID?.() || `ar-${Date.now()}-${Math.random().toString(16).slice(2)}` }
 </script>