diff --git a/src/api/oa/erp/finAccountInstallmentDetail/types.ts b/src/api/oa/erp/finAccountInstallmentDetail/types.ts
index c2b12cd..1d1f36a 100644
--- a/src/api/oa/erp/finAccountInstallmentDetail/types.ts
+++ b/src/api/oa/erp/finAccountInstallmentDetail/types.ts
@@ -59,6 +59,15 @@ export interface FinAccountInstallmentDetailVO {
    */
   remark: string;
 
+  /** 合同总价（列表/详情 join erp_contract_info） */
+  contractTotalPrice?: number;
+
+  /** 当前节点支付比例 %（join erp_contract_payment_method） */
+  contractPaymentPercentage?: number;
+
+  /** 当前节点合同约定支付金额（join erp_contract_payment_method） */
+  contractPaymentAmount?: number;
+
 }
 
 export interface FinAccountInstallmentDetailForm extends BaseEntity {
@@ -117,11 +126,25 @@ export interface FinAccountInstallmentDetailForm extends BaseEntity {
    */
   detailAmount?: number;
 
+  /**
+   * 回款分款状态（提交时回写主表，与字典 installment_status 一致）
+   */
+  installmentStatus?: string;
+
   /**
    * 备注
    */
   remark?: string;
 
+  /** 仅展示/校验：合同总价（来自 join，勿依赖提交） */
+  contractTotalPrice?: number;
+
+  /** 仅展示/校验：节点支付比例 % */
+  contractPaymentPercentage?: number;
+
+  /** 仅展示/校验：节点合同约定支付金额 */
+  contractPaymentAmount?: number;
+
 }
 
 export interface FinAccountInstallmentDetailQuery extends PageQuery {
diff --git a/src/views/oa/erp/finAccountInstallment/index.vue b/src/views/oa/erp/finAccountInstallment/index.vue
index 7ded2e9..21e86cd 100644
--- a/src/views/oa/erp/finAccountInstallment/index.vue
+++ b/src/views/oa/erp/finAccountInstallment/index.vue
@@ -147,12 +147,12 @@
                 <el-table-column label="项目名称" align="center" prop="projectName" width="150" show-overflow-tooltip />
                 <el-table-column label="合同编号" align="center" prop="contractCode" width="120" show-overflow-tooltip />
                 <el-table-column label="合同名称" align="center" prop="contractName" width="150" show-overflow-tooltip />
+                <el-table-column label="分款阶段" align="center" prop="stageName" width="100" />
                 <el-table-column label="分款金额" align="center" width="100">
                   <template #default="{ row }">
                     <span class="font-medium">¥{{ formatMoney(row.detailAmount) }}</span>
                   </template>
                 </el-table-column>
-                <el-table-column label="分款阶段" align="center" prop="stageName" width="100" />
                 <el-table-column label="备注" align="center" prop="remark" show-overflow-tooltip />
                 <el-table-column label="操作" align="center" width="100" fixed="right">
                   <template #default="{ row }">
@@ -236,8 +236,8 @@
     <ContractSelectDialog v-model:visible="showContractDialog" @contract-selected="handleContractSelected" />
 
     <!-- 分款明细表单对话框 -->
-    <el-dialog :title="detailDialog.title" v-model="detailDialog.visible" width="500px" append-to-body>
-      <el-form ref="detailFormRef" :model="detailForm" :rules="detailRules" label-width="100px">
+    <el-dialog :title="detailDialog.title" v-model="detailDialog.visible" width="560px" append-to-body>
+      <el-form ref="detailFormRef" :model="detailForm" :rules="detailRules" label-width="120px">
         <el-form-item label="项目编号">
           <el-input v-model="detailForm.projectCode" disabled />
         </el-form-item>
@@ -250,10 +250,23 @@
         <el-form-item label="合同名称">
           <el-input v-model="detailForm.contractName" disabled />
         </el-form-item>
+        <el-form-item label="合同额">
+          <span class="font-medium text-gray-800">{{ contractTotalPriceDisplay }}</span>
+        </el-form-item>
         <el-form-item label="分款节点" prop="paymentStageId">
-          <el-select v-model="detailForm.paymentStageId" placeholder="请选择分款节点" style="width: 100%">
-            <el-option v-for="stage in paymentStageList" :key="stage.paymentStageId" :label="stage.stageName" :value="stage.paymentStageId" />
-          </el-select>
+          <div style="display: flex; flex-flow: row nowrap; align-items: center; gap: 12px; width: 100%; min-width: 0; overflow-x: auto">
+            <el-select v-model="detailForm.paymentStageId" placeholder="请选择分款节点" style="width: 150px; flex-shrink: 0">
+              <el-option v-for="stage in paymentStageList" :key="stage.paymentStageId" :label="stage.stageName" :value="stage.paymentStageId" />
+            </el-select>
+            <template v-if="detailForm.paymentStageId">
+              <span style="white-space: nowrap; flex-shrink: 0">
+                回款比例 <span>{{ selectedStagePaymentRatioText }}</span>
+              </span>
+              <span style="white-space: nowrap; flex-shrink: 0">
+                金额 <span>¥{{ formatMoneyOrDash(selectedStageContractShareAmount) }}</span>
+              </span>
+            </template>
+          </div>
         </el-form-item>
         <el-form-item label="分款金额" prop="detailAmount">
           <el-input-number
@@ -264,7 +277,6 @@
             placeholder="请输入分款金额"
             style="width: 100%"
             controls-position="right"
-            @change="handleDetailAmountChange"
           />
         </el-form-item>
         <el-form-item label="备注">
@@ -297,10 +309,9 @@
 </template>
 
 <script setup name="FinAccountInstallment" lang="ts">
-import { importFinAccountInstallment, listFinAccountInstallment } from '@/api/oa/erp/finAccountInstallment';
+import { listFinAccountInstallment } from '@/api/oa/erp/finAccountInstallment';
 import {
   addFinAccountInstallmentDetail,
-  delFinAccountInstallmentDetail,
   getErpFinAccountInstallmentDetailList,
   updateFinAccountInstallmentDetail,
   deleteInstallmentDetailByBo
@@ -308,10 +319,8 @@ import {
 import { FinAccountInstallmentQuery, FinAccountInstallmentVO } from '@/api/oa/erp/finAccountInstallment/types';
 import { FinAccountInstallmentDetailForm, FinAccountInstallmentDetailVO } from '@/api/oa/erp/finAccountInstallmentDetail/types';
 import { getErpContractPaymentMethodJoinList } from '@/api/oa/erp/finAccountReceivable';
-import { PaymentStageVO } from '@/api/oa/base/paymentStage/types';
-
 import { getToken } from '@/utils/auth';
-import { DArrowLeft, UploadFilled } from '@element-plus/icons-vue';
+import { DArrowLeft } from '@element-plus/icons-vue';
 import ProjectSelectDialog from '@/views/oa/components/ProjectSelectDialog.vue';
 import ContractSelectDialog from '@/views/oa/components/ContractSelectDialog.vue';
 import { globalHeaders } from '@/utils/request';
@@ -366,12 +375,10 @@ const formRemainingAmount = computed(() => {
 });
 
 // 导入对话框
-const showImportDialog = ref(false);
 const uploadRef = ref();
 const importLoading = ref(false);
 const importPreviewData = ref<any[]>([]);
 const duplicateCount = ref(0);
-const uploadHeaders = ref({ Authorization: 'Bearer ' + getToken() });
 const importFile = ref<File | null>(null);
 
 // 项目选择对话框
@@ -379,26 +386,84 @@ const showProjectDialog = ref(false);
 const showContractDialog = ref(false);
 const selectedProject = ref<any>(null);
 
-const paymentStageList = ref<PaymentStageVO[]>([]);
-/** 新增时查询应收款节点信息列表 */
+/** 合同付款节点 join 列表（含支付比例、节点约定金额等） */
+interface ContractPaymentStageJoinRow {
+  paymentStageId: string | number;
+  stageName?: string;
+  paymentPercentage?: number | string;
+  paymentAmount?: number | string;
+}
+
+const paymentStageList = ref<ContractPaymentStageJoinRow[]>([]);
+
+/** 当前表单关联合同的合同额（总价），用于展示与节点金额推算 */
+const detailFormContractTotalPrice = ref<number | undefined>(undefined);
+
+const formatMoney = (money: number | undefined | null) => {
+  if (money === undefined || money === null) return '0.00';
+  return money.toLocaleString('zh-CN', { minimumFractionDigits: 2, maximumFractionDigits: 2 });
+};
+
+const formatMoneyOrDash = (money: number | undefined | null) => {
+  if (money === undefined || money === null || Number.isNaN(Number(money))) return '—';
+  return formatMoney(money);
+};
+
+const contractTotalPriceDisplay = computed(() => {
+  const v = detailFormContractTotalPrice.value;
+  if (v === undefined || v === null || Number.isNaN(Number(v))) return '—';
+  return `¥${formatMoney(v)}`;
+});
+
+const selectedPaymentStageRow = computed(() => {
+  const id = detailForm.paymentStageId;
+  if (id == null || id === '') return null;
+  return paymentStageList.value.find((s) => String(s.paymentStageId) === String(id)) ?? null;
+});
+
+const selectedStagePaymentRatioText = computed(() => {
+  const row = selectedPaymentStageRow.value;
+  if (row && row.paymentPercentage !== undefined && row.paymentPercentage !== null && row.paymentPercentage !== '') {
+    const n = Number(row.paymentPercentage);
+    if (!Number.isNaN(n)) return `${n}%`;
+  }
+  const p = detailForm.contractPaymentPercentage;
+  if (p !== undefined && p !== null && !Number.isNaN(Number(p))) {
+    const n = Number(p);
+    if (!Number.isNaN(n)) return `${n}%`;
+  }
+  return '—';
+});
+
+/** 当前节点约定回款金额：优先付款节点列表；否则用明细 join 带回的合同节点金额/比例推算 */
+const selectedStageContractShareAmount = computed(() => {
+  const row = selectedPaymentStageRow.value;
+  if (row) {
+    const backend = row.paymentAmount !== undefined && row.paymentAmount !== null && row.paymentAmount !== '' ? Number(row.paymentAmount) : NaN;
+    if (!Number.isNaN(backend)) return backend;
+    const total = Number(detailFormContractTotalPrice.value);
+    const pct = Number(row.paymentPercentage);
+    if (!Number.isNaN(total) && !Number.isNaN(pct)) return (total * pct) / 100;
+  }
+  const dAmt = detailForm.contractPaymentAmount;
+  if (dAmt !== undefined && dAmt !== null && !Number.isNaN(Number(dAmt))) {
+    return Number(dAmt);
+  }
+  const total = Number(detailFormContractTotalPrice.value);
+  const pct = Number(detailForm.contractPaymentPercentage);
+  if (!Number.isNaN(total) && !Number.isNaN(pct)) return (total * pct) / 100;
+  return undefined;
+});
+
+/** 新增时查询合同付款节点列表 */
 const getPaymentStages = async (contractId) => {
   paymentStageList.value = [];
   if (contractId && contractId !== '') {
     const res = await getErpContractPaymentMethodJoinList({ contractId: contractId });
-    console.log(res.data);
-    paymentStageList.value = res.data;
+    paymentStageList.value = (res.data || []) as ContractPaymentStageJoinRow[];
   }
 };
 
-// 付款阶段Mock数据
-// const paymentStageList = ref([
-//   { id: 1, stageName: '预付款', stageOrder: 1 },
-//   { id: 2, stageName: '进度款', stageOrder: 2 },
-//   { id: 3, stageName: '验收款', stageOrder: 3 },
-//   { id: 4, stageName: '尾款', stageOrder: 4 },
-//   { id: 5, stageName: '质保金', stageOrder: 5 }
-// ]);
-
 // 分款明细表单
 const detailDialog = reactive({
   visible: false,
@@ -417,19 +482,41 @@ const initDetailForm: FinAccountInstallmentDetailForm = {
   contractName: undefined,
   paymentStageId: undefined,
   detailAmount: undefined,
-  remark: undefined
+  installmentStatus: undefined,
+  remark: undefined,
+  contractTotalPrice: undefined,
+  contractPaymentPercentage: undefined,
+  contractPaymentAmount: undefined
 };
 const detailForm = reactive<FinAccountInstallmentDetailForm>({ ...initDetailForm });
 
+function validateDetailAmountNotExceedNode(_rule: unknown, value: unknown, callback: (e?: Error) => void) {
+  const max = selectedStageContractShareAmount.value;
+  if (max == null || Number.isNaN(Number(max))) {
+    callback();
+    return;
+  }
+  const maxN = Number(max);
+  const v = Number(value);
+  if (value === undefined || value === null || value === '' || Number.isNaN(v)) {
+    callback();
+    return;
+  }
+  const vCents = Math.round(v * 100);
+  const maxCents = Math.round(maxN * 100);
+  if (vCents > maxCents) {
+    callback(new Error(`分款金额不能大于节点约定金额（¥${formatMoney(maxN)}）`));
+    return;
+  }
+  callback();
+}
+
 const detailRules = {
   paymentStageId: [{ required: true, message: '请选择分款节点', trigger: 'change' }],
-  detailAmount: [{ required: true, message: '请输入分款金额', trigger: 'blur' }]
-};
-
-// 格式化金额
-const formatMoney = (money: number | undefined | null) => {
-  if (money === undefined || money === null) return '0.00';
-  return money.toLocaleString('zh-CN', { minimumFractionDigits: 2, maximumFractionDigits: 2 });
+  detailAmount: [
+    { required: true, message: '请输入分款金额', trigger: 'blur' },
+    { validator: validateDetailAmountNotExceedNode, trigger: ['blur', 'change'] }
+  ]
 };
 
 const INSTALLMENT_STATUS = {
@@ -438,26 +525,21 @@ const INSTALLMENT_STATUS = {
   COMPLETE: '2' //分款完成
 };
 
-// 获取状态类型
-const getStatusType = (status: string | undefined) => {
-  if (!status) return 'info';
-  const map: Record<string, string> = {
-    '0': 'warning', // 未分款 - 黄色
-    '1': 'primary', // 部分分款 - 蓝色
-    '2': 'success' // 已分款完成 - 绿色
-  };
-  return map[status] || 'info';
-};
-
-// 获取状态文本
-const getStatusText = (status: string | undefined) => {
-  if (!status) return '未知';
-  const map: Record<string, string> = {
-    '0': '未分款',
-    '1': '部分分款',
-    '2': '已分款完成'
-  };
-  return map[status] || '未知';
+/** 明细列表刷新后，按剩余回款与已分款情况同步左侧选中行及列表中的分款状态 */
+const syncSelectedInstallmentStatusWithDetailList = () => {
+  if (!selectedInstallment.value) return;
+  const newStatus =
+    remainingAmount.value === 0
+      ? INSTALLMENT_STATUS.COMPLETE
+      : allocatedAmount.value > 0
+        ? INSTALLMENT_STATUS.PARTIALLY
+        : INSTALLMENT_STATUS.NOT;
+  selectedInstallment.value.installmentStatus = newStatus;
+  const id = selectedInstallment.value.accountInstallmentId;
+  const index = finAccountInstallmentList.value.findIndex((item) => item.accountInstallmentId === id);
+  if (index !== -1) {
+    finAccountInstallmentList.value[index].installmentStatus = newStatus;
+  }
 };
 
 /*** 用户导入参数 */
@@ -573,8 +655,6 @@ const handleAddDetail = () => {
 // 项目选择回调
 const handleProjectSelected = (data: any) => {
   selectedProject.value = data.project;
-
-  console.log(data);
   // 如果是无合同项目(contractFlag !== '1')，需要选择合同
   if (data.project.contractFlag !== '1') {
     showContractDialog.value = true;
@@ -593,8 +673,11 @@ const handleContractSelected = (contract: any) => {
   }
 };
 
-// 填充分款明细表单
+// 填充分款明细表单（新增：分款金额在选定分款节点后由节点约定金额带出，见 syncAddDetailAmountFromSelectedStage）
 const fillDetailForm = (project: any, contract: any) => {
+  const totalPriceRaw = contract?.totalPrice;
+  detailFormContractTotalPrice.value =
+    totalPriceRaw !== undefined && totalPriceRaw !== null && totalPriceRaw !== '' ? Number(totalPriceRaw) : undefined;
   Object.assign(detailForm, {
     installmentDetailId: undefined,
     accountInstallmentId: selectedInstallment.value?.accountInstallmentId,
@@ -606,23 +689,45 @@ const fillDetailForm = (project: any, contract: any) => {
     contractName: contract?.contractName || '',
     paymentStageId: undefined,
     detailAmount: undefined,
-    remark: undefined
+    remark: undefined,
+    contractTotalPrice: undefined,
+    contractPaymentPercentage: undefined,
+    contractPaymentAmount: undefined
   });
   detailDialog.title = '新增分款明细';
   detailDialog.visible = true;
 };
 
-// 编辑分款明细
-const handleEditDetail = (row: FinAccountInstallmentDetailVO) => {
+/** 新增明细：选定分款节点后，分款金额默认取当前节点约定金额 */
+const syncAddDetailAmountFromSelectedStage = () => {
+  if (!detailDialog.visible || detailForm.installmentDetailId) return;
+
+  let next: number | undefined;
+  if (detailForm.paymentStageId != null && detailForm.paymentStageId !== '') {
+    const raw = selectedStageContractShareAmount.value;
+    const n = raw != null && !Number.isNaN(Number(raw)) ? Number(raw) : NaN;
+    if (!Number.isNaN(n) && n > 0) {
+      const rounded = Math.round(n * 100) / 100;
+      next = rounded < 0.01 ? 0.01 : rounded;
+    }
+  }
+  detailForm.detailAmount = next;
+
+  if (detailFormRef.value) {
+    nextTick(() => detailFormRef.value?.validateField('detailAmount'));
+  }
+};
+
+// 编辑分款明细（合同额、节点比例/金额由列表接口 join 返回，不再请求 getContractInfo）
+const handleEditDetail = async (row: FinAccountInstallmentDetailVO) => {
   Object.assign(detailForm, row);
   detailDialog.title = '编辑分款明细';
   detailDialog.visible = true;
-  getPaymentStages(detailForm.contractId);
-};
-
-// 分款金额变化时触发校验提示更新
-const handleDetailAmountChange = () => {
-  // 通过computed自动更新formRemainingAmount
+  const tp = row.contractTotalPrice;
+  detailFormContractTotalPrice.value =
+    tp !== undefined && tp !== null && !Number.isNaN(Number(tp)) ? Number(tp) : undefined;
+  await getPaymentStages(detailForm.contractId);
+  nextTick(() => detailFormRef.value?.validateField('detailAmount'));
 };
 
 // 删除分款明细
@@ -635,16 +740,7 @@ const handleDeleteDetail = async (row: FinAccountInstallmentDetailVO) => {
   await deleteInstallmentDetailByBo(deleteForm);
   proxy?.$modal.msgSuccess('删除成功');
   await getDetailList();
-  // 更新左侧选中行的状态
-  if (selectedInstallment.value) {
-    const newStatus = remainingAmount.value === 0 ? INSTALLMENT_STATUS.COMPLETE : (allocatedAmount.value > 0 ? INSTALLMENT_STATUS.PARTIALLY : INSTALLMENT_STATUS.NOT);
-    selectedInstallment.value.installmentStatus = newStatus;
-    // 同时更新左侧列表中对应记录的状态
-    const index = finAccountInstallmentList.value.findIndex((item) => item.accountInstallmentId === selectedInstallment.value?.accountInstallmentId);
-    if (index !== -1) {
-      finAccountInstallmentList.value[index].installmentStatus = newStatus;
-    }
-  }
+  syncSelectedInstallmentStatusWithDetailList();
 };
 
 // 提交分款明细表单
@@ -664,16 +760,7 @@ const submitDetailForm = async () => {
     }
     detailDialog.visible = false;
     await getDetailList();
-    // 更新左侧选中行的状态
-    if (selectedInstallment.value) {
-      const newStatus = remainingAmount.value === 0 ? INSTALLMENT_STATUS.COMPLETE : (allocatedAmount.value > 0 ? INSTALLMENT_STATUS.PARTIALLY : INSTALLMENT_STATUS.NOT);
-      selectedInstallment.value.installmentStatus = newStatus;
-      // 同时更新左侧列表中对应记录的状态
-      const index = finAccountInstallmentList.value.findIndex((item) => item.accountInstallmentId === selectedInstallment.value?.accountInstallmentId);
-      if (index !== -1) {
-        finAccountInstallmentList.value[index].installmentStatus = newStatus;
-      }
-    }
+    syncSelectedInstallmentStatusWithDetailList();
   } finally {
     detailButtonLoading.value = false;
   }
@@ -682,7 +769,6 @@ const submitDetailForm = async () => {
 // 取消分款明细
 const cancelDetail = () => {
   detailDialog.visible = false;
-  Object.assign(detailForm, initDetailForm);
 };
 
 // Excel导入相关
@@ -720,25 +806,31 @@ const submitImport = async () => {
   uploadRef.value?.submit();
 };
 
-// 监听导入对话框关闭
-watch(showImportDialog, (val) => {
-  if (!val) {
-    importPreviewData.value = [];
-    importFile.value = null;
-    uploadRef.value?.clearFiles();
-  }
-});
-
 // 监听分款明细对话框关闭
 watch(
   () => detailDialog.visible,
   (val) => {
     if (!val) {
       Object.assign(detailForm, initDetailForm);
+      detailFormContractTotalPrice.value = undefined;
     }
   }
 );
 
+watch(
+  () => [
+    detailDialog.visible,
+    detailForm.installmentDetailId,
+    detailForm.paymentStageId,
+    paymentStageList.value,
+    detailFormContractTotalPrice.value
+  ],
+  () => {
+    syncAddDetailAmountFromSelectedStage();
+  },
+  { flush: 'post' }
+);
+
 // 初始化
 onMounted(() => {
   getList();