diff --git a/src/views/finance/supplierBill/billingRecord.vue b/src/views/finance/supplierBill/billingRecord.vue
index 08e346e..06e3860 100644
--- a/src/views/finance/supplierBill/billingRecord.vue
+++ b/src/views/finance/supplierBill/billingRecord.vue
@@ -113,6 +113,7 @@ const refPayment = ref();
 function handlePayment(item) {
   if (item != 'all') {
     state.flowIdList = [item.id]
+    state.allAmount = item.unPaidAmount
   } else {
     if( state.flowIdList.length <= 0 ){
       ElMessage({ type: "error", message: "请选择付款耗材" });
diff --git a/src/views/finance/supplierBill/components/payment.vue b/src/views/finance/supplierBill/components/payment.vue
index 741f925..28c769a 100644
--- a/src/views/finance/supplierBill/components/payment.vue
+++ b/src/views/finance/supplierBill/components/payment.vue
@@ -6,7 +6,7 @@
         <el-input v-model="supplierName" placeholder="请输入供应商名称" readonly></el-input>
       </el-form-item>
       <el-form-item label="付款金额 " prop="amount">
-        <el-input-number v-model="form.amount" :readonly="form.flowIdList.length > 1" placeholder="请输入付款金额"
+        <el-input-number v-model="form.amount" :readonly="form.flowIdList.length > 1" :max="maxAmount" placeholder="请输入付款金额"
           style="width: 100%;"></el-input-number>
       </el-form-item>
       <el-form-item label="付款方式" prop="type">
@@ -46,13 +46,13 @@ const form = reactive({
   ...basicForm,
 });
 const supplierName = ref('');
+const maxAmount = ref(0);
 const show = ref(false);
 function open(item) {
   form.flowIdList = item.flowIdList
   supplierName.value = item.supplierName
-  if (item.flowIdList.length > 1 && item.allAmount) {
-    form.amount = item.allAmount
-  }
+  form.amount = item.allAmount
+  maxAmount.value = item.allAmount
   // Object.assign(form, item);
   show.value = true;
 }