diff --git a/src/views/settlement/formal-settlement.vue b/src/views/settlement/formal-settlement.vue
index e1eb661..0d12ec2 100644
--- a/src/views/settlement/formal-settlement.vue
+++ b/src/views/settlement/formal-settlement.vue
@@ -172,8 +172,19 @@
           <el-table-column label="发票金额（含税）" min-width="140" align="right">
             <template #default="{ row }">{{ formatMoney(row.invoiceAmount) }}</template>
           </el-table-column>
-          <el-table-column label="匹配结算单金额" min-width="150" align="right">
-            <template #default="{ row }">{{ formatMoney(row.invoiceAmount) }}</template>
+          <el-table-column label="匹配结算单金额" min-width="160" align="right">
+            <template #default="{ row }">
+              <!-- 匹配金额支持手动修改（默认=发票金额全额），已认领回显行只读 -->
+              <el-input-number
+                v-if="!row.claimed"
+                v-model="row.matchedAmount"
+                :min="0"
+                :max="Number(row.invoiceAmount || 0)"
+                :precision="2"
+                :controls="false"
+              />
+              <span v-else>{{ formatMoney(row.matchedAmount || row.invoiceAmount) }}</span>
+            </template>
           </el-table-column>
           <el-table-column label="操作" width="90" fixed="right" align="center">
             <template #default="{ row, $index }">
@@ -756,7 +767,7 @@ export default {
         invoiceType: row.invoiceType || '',
         taxRate: row.taxRate ?? null,
         availableInvoiceAmount: Number(row.invoiceAmount || 0),
-        matchedAmount: Number(row.invoiceAmount || 0),
+        matchedAmount: Number(row.matchedAmount || row.invoiceAmount || 0),
       }));
       try {
         // 先确认后保存：确定才认领并推送指定应付，取消不保存任何数据