diff --git a/src/api/payment/paymentApplication.js b/src/api/payment/paymentApplication.js
index 3e4c802..59c9aa1 100644
--- a/src/api/payment/paymentApplication.js
+++ b/src/api/payment/paymentApplication.js
@@ -10,6 +10,13 @@ export const getReferenceAmount = (paymentType, referenceId, excludeId) =>
     method: 'get',
     params: { paymentType, referenceId, excludeId: excludeId || undefined },
   });
+/** 按合同查询可选项目预付核销列表（审批通过且仍有可核销余额） */
+export const getProjectAdvanceWriteOffOptions = params =>
+  request({
+    url: `${baseUrl}/project-advance-write-off-options`,
+    method: 'get',
+    params,
+  });
 export const save = data => request({ url: `${baseUrl}/save`, method: 'post', data });
 export const remove = id => request({ url: `${baseUrl}/remove`, method: 'post', params: { id } });
 export const submit = data => request({ url: `${baseUrl}/submit`, method: 'post', data });
diff --git a/src/views/business/common-route.vue b/src/views/business/common-route.vue
index 99095ac..15b8cba 100644
--- a/src/views/business/common-route.vue
+++ b/src/views/business/common-route.vue
@@ -396,8 +396,11 @@ export default {
       return this.selectionList.map(item => item.id).join(',');
     },
   },
-  created() {
-    this.applyDefaultDeptSearch();
+    created() {
+    // 超管默认查全部组织，不预填组织筛选；普通用户预填当前组织。
+    if (!this.isAdmin) {
+      this.applyDefaultDeptSearch();
+    }
     this.initDeptTree();
   },
   methods: {
@@ -455,10 +458,23 @@ export default {
     normalizeListQuery(params = {}) {
       // 搜索条件优先于缓存的 query，避免默认组织 ID 覆盖用户新选择的组织。
       const query = { ...this.query, ...params };
-      const rawDeptId = query.deptId ?? query.searchDeptId;
+      // 本次搜索显式带了组织字段时，以本次为准（含清空）；否则沿用缓存。
+      const hasDeptInParams =
+        Object.prototype.hasOwnProperty.call(params, 'deptId') ||
+        Object.prototype.hasOwnProperty.call(params, 'searchDeptId');
+      const rawDeptId = hasDeptInParams
+        ? params.deptId ?? params.searchDeptId
+        : query.deptId ?? query.searchDeptId;
       delete query.searchDeptId;
       if (rawDeptId !== undefined && rawDeptId !== null && String(rawDeptId).trim() !== '') {
-        query.deptId = String(rawDeptId).split(',')[0].trim();
+        // 级联可能回传路径数组，统一取末级并保持字符串，避免雪花 ID 精度丢失。
+        const deptValue = Array.isArray(rawDeptId) ? rawDeptId.at(-1) : rawDeptId;
+        query.deptId = String(deptValue ?? '')
+          .split(',')[0]
+          .trim();
+        if (!query.deptId) {
+          delete query.deptId;
+        }
       } else {
         delete query.deptId;
       }
@@ -466,6 +482,23 @@ export default {
       return query;
     },
     applyDefaultDeptSearch() {
+      // 超管默认不限组织，避免预填组织后新增落在其他组织时列表看不见。
+      if (this.isAdmin) {
+        const deptColumn = this.findColumn(this.option.column, 'searchDeptId');
+        if (deptColumn) {
+          deptColumn.searchValue = undefined;
+        }
+        const nextQuery = { ...this.query };
+        delete nextQuery.deptId;
+        delete nextQuery.searchDeptId;
+        this.query = nextQuery;
+        this.$nextTick(() => {
+          if (this.$refs.crud?.searchForm) {
+            this.$refs.crud.searchForm.searchDeptId = undefined;
+          }
+        });
+        return;
+      }
       const deptId = this.defaultDeptId();
       const deptColumn = this.findColumn(this.option.column, 'searchDeptId');
       if (!deptId || !deptColumn) return;
@@ -477,6 +510,11 @@ export default {
         }
       });
     },
+    resolveDeptName(deptId) {
+      if (!deptId) return '';
+      const matched = this.deptOptions.find(item => String(item.value) === String(deptId));
+      return matched ? String(matched.label || '').trim() : '';
+    },
     resetAddressQuery() {
       this.addressQuery = {
         addressName: '',
@@ -933,7 +971,8 @@ export default {
       }
       api.submit(submitRow).then(
         () => {
-          this.onLoad(this.page);
+          this.page.currentPage = 1;
+          this.onLoad(this.page, this.query);
           this.$message({ type: 'success', message: '操作成功!' });
           done();
         },
@@ -951,7 +990,7 @@ export default {
       }
       api.submit(submitRow).then(
         () => {
-          this.onLoad(this.page);
+          this.onLoad(this.page, this.query);
           this.$message({ type: 'success', message: '操作成功!' });
           done();
         },
@@ -1006,7 +1045,13 @@ export default {
     beforeOpen(done, type) {
       this.dialogReadonly = type === 'view';
       if (type === 'add') {
-        this.form = {};
+        const form = {};
+        // 超管若当前按某组织筛选，新增默认归属该组织，避免保存后被筛选条件滤掉。
+        if (this.isAdmin && this.query.deptId) {
+          form.deptId = String(this.query.deptId);
+          form.deptName = this.resolveDeptName(form.deptId);
+        }
+        this.form = form;
         done();
         return;
       }
diff --git a/src/views/business/project-apply.vue b/src/views/business/project-apply.vue
index 6ae6c21..e05c03d 100644
--- a/src/views/business/project-apply.vue
+++ b/src/views/business/project-apply.vue
@@ -2506,8 +2506,9 @@ export default {
         const list = res.data.data || [];
         this.platformCompanyOptions = list.map(item => ({
           label: item.deptName || item.fullName || item.title || item.name,
-          value: item.id,
-        }));
+          // 雪花 ID 必须以字符串绑定，避免 JS Number 精度丢失导致多选提交异常
+          value: item.id == null || item.id === '' ? '' : String(item.id),
+        })).filter(item => item.value);
         this.ensureCurrentPlatformOption();
       });
     },
diff --git a/src/views/payment/payment-application-form.vue b/src/views/payment/payment-application-form.vue
index 140937f..9dd62e0 100644
--- a/src/views/payment/payment-application-form.vue
+++ b/src/views/payment/payment-application-form.vue
@@ -688,6 +688,9 @@ const attachmentViewerPlugins = [
   fallbackPlugin(),
 ];
 
+const paymentApplicationListRoute = '/payment/payment-application';
+const paymentApplicationListRefreshKey = 'payment-application-list-refresh';
+
 const ATTACHMENT_MATERIALS = {
   weighingSlip: { key: 'weighingSlip', label: '磅单', keywords: ['磅单'] },
   entrustOrder: { key: 'entrustOrder', label: '委托单', keywords: ['委托单'] },
@@ -2712,12 +2715,14 @@ export default {
         mkEnabled: await loadMkEnabled().catch(() => false),
       });
       this.$message.success('提交成功');
+      // 通知列表页（keep-alive）重新拉取数据
+      sessionStorage.setItem(paymentApplicationListRefreshKey, '1');
       this.goBack();
     },
     goBack() {
       removeSettlementTransfer(this.$route.query.transferToken);
       this.$router.$avueRouter?.closeTag?.();
-      this.$router.push('/payment/payment-application');
+      this.$router.push(paymentApplicationListRoute);
     },
     formatMoney(value) {
       const amount = Number(value);
diff --git a/src/views/payment/payment-application.vue b/src/views/payment/payment-application.vue
index b3e63d3..44cde10 100644
--- a/src/views/payment/payment-application.vue
+++ b/src/views/payment/payment-application.vue
@@ -152,6 +152,9 @@ import organizationSearch from '@/mixins/organization-search';
 import { getMKApprovalUrl } from '@/api/system/business-process';
 import { loadMkEnabled, submitMkApprovalFlow } from '@/utils/mk-approval';
 
+const paymentApplicationListRoute = '/payment/payment-application';
+const paymentApplicationListRefreshKey = 'payment-application-list-refresh';
+
 export default {
   name: 'PaymentApplication',
   mixins: [organizationSearch],
@@ -193,7 +196,28 @@ export default {
         this.mkEnabled = false;
       });
   },
+  activated() {
+    this.consumeListRefreshFlag();
+  },
+  watch: {
+    $route(to, from) {
+      if (
+        to.path === paymentApplicationListRoute &&
+        from?.path?.includes('/payment-application/form')
+      ) {
+        this.consumeListRefreshFlag();
+      }
+    },
+  },
   methods: {
+    /** 表单提交成功后带标记返回时，重新拉取列表 */
+    consumeListRefreshFlag() {
+      if (!sessionStorage.getItem(paymentApplicationListRefreshKey)) {
+        return;
+      }
+      sessionStorage.removeItem(paymentApplicationListRefreshKey);
+      this.onLoad(this.page);
+    },
     hasPermission(code) {
       return this.permission?.[code] !== false;
     },
diff --git a/src/views/settlement/components/formal-settlement-editor.vue b/src/views/settlement/components/formal-settlement-editor.vue
index 5da1c16..b5dce08 100644
--- a/src/views/settlement/components/formal-settlement-editor.vue
+++ b/src/views/settlement/components/formal-settlement-editor.vue
@@ -378,6 +378,16 @@
         </div>
       </section-card>
 
+      <project-advance-write-off
+        ref="projectAdvanceWriteOffRef"
+        v-model="projectAdvanceWriteOffs"
+        :editable="editable"
+        :contract-id="form.contractId"
+        :settlement-amount="form.settlementAmount"
+        settlement-type="formal"
+        :settlement-id="form.id"
+      />
+
       <section-card title="发票信息">
         <div class="formal-editor__invoice-claim">
           <el-form inline label-position="right" label-width="auto" @submit.prevent>
@@ -1011,12 +1021,13 @@ import {
   viewKingdeeInvoiceFile,
 } from '@/utils/kingdee-attachment';
 import KingdeeInvoicePoolDialog from '@/components/kingdee-invoice-pool-dialog/main.vue';
+import ProjectAdvanceWriteOff from './project-advance-write-off.vue';
 import * as XLSX from 'xlsx';
 import { isAdministrator } from '@/utils/auth';
 
 export default {
   name: 'FormalSettlementEditor',
-  components: { InfoFilled, KingdeeInvoicePoolDialog },
+  components: { InfoFilled, KingdeeInvoicePoolDialog, ProjectAdvanceWriteOff },
   props: {
     modelValue: Boolean,
     recordId: [String, Number],
@@ -1045,6 +1056,7 @@ export default {
       receiptClaims: [],
       adjustments: [],
       changeRecords: [],
+      projectAdvanceWriteOffs: [],
       attachments: [],
       selectedAttachmentRows: [],
       invoices: [],
@@ -1275,6 +1287,13 @@ export default {
       }
       this.adjustments = data.adjustments || [];
       this.changeRecords = data.changeRecords || [];
+      this.projectAdvanceWriteOffs = (data.projectAdvanceWriteOffs || []).map(row => ({
+        ...row,
+        writeOffAmount: Number(row.writeOffAmount || 0),
+        projectAdvanceAmount: Number(row.projectAdvanceAmount || 0),
+        availableWriteOffAmount: Number(row.availableWriteOffAmount || 0),
+        createTime: row.paymentCreateTime || row.createTime,
+      }));
       this.attachments = this.parseAttachments(data.attachmentsJson);
       this.selectedAttachmentRows = [];
       this.invoices = data.invoices || [];
@@ -1305,6 +1324,7 @@ export default {
       this.receiptClaims = [];
       this.adjustments = [];
       this.changeRecords = [];
+      this.projectAdvanceWriteOffs = [];
       this.attachments = [];
       this.selectedAttachmentRows = [];
       this.invoices = [];
@@ -2549,6 +2569,7 @@ export default {
           matchedAmount: Number(row.matchedAmount || 0),
           attachmentJson: row.attachmentJson || '',
         })),
+        projectAdvanceWriteOffs: this.$refs.projectAdvanceWriteOffRef?.toSavePayload?.() || [],
         remark: this.form.remark,
       };
     },
@@ -2557,6 +2578,9 @@ export default {
     },
     async handleDraftSave() {
       // 保存草稿：不做表单校验，直接落草稿并返回列表刷新
+      if (this.$refs.projectAdvanceWriteOffRef?.validateBeforeSave?.() === false) {
+        return;
+      }
       this.draftSaving = true;
       try {
         await save({
@@ -2584,6 +2608,9 @@ export default {
         return this.$message.warning('请完善手工费用的费用类型和费用项');
       }
       if (!this.validateInvoices()) return;
+      if (this.$refs.projectAdvanceWriteOffRef?.validateBeforeSave?.() === false) {
+        return;
+      }
       // 附件类型仅做提示，不阻断正式结算单新增/保存提交。
       // this.validateAttachments();
       this.saving = true;
diff --git a/src/views/settlement/components/pre-settlement-editor.vue b/src/views/settlement/components/pre-settlement-editor.vue
index b46cec5..e60bedc 100644
--- a/src/views/settlement/components/pre-settlement-editor.vue
+++ b/src/views/settlement/components/pre-settlement-editor.vue
@@ -421,6 +421,16 @@
         </div>
       </section-card>
 
+      <project-advance-write-off
+        ref="projectAdvanceWriteOffRef"
+        v-model="projectAdvanceWriteOffs"
+        :editable="editable"
+        :contract-id="form.contractId"
+        :settlement-amount="form.settlementAmount"
+        settlement-type="pre"
+        :settlement-id="form.id"
+      />
+
       <section-card v-if="form.id && readonly" title="预付信息">
         <el-table :data="advances" border>
           <el-table-column type="index" label="序号" width="64" align="center" />
@@ -939,6 +949,7 @@ import { h } from 'vue';
 import { mapGetters } from 'vuex';
 import { InfoFilled } from '@element-plus/icons-vue';
 import ChangeRecordDetailDialog from '@/components/change-record-detail-dialog/main.vue';
+import ProjectAdvanceWriteOff from './project-advance-write-off.vue';
 import { getMkPublicDetail } from '@/api/mk-process';
 import {
   adjustDetail,
@@ -981,7 +992,7 @@ import { isAdministrator } from '@/utils/auth';
 
 export default {
   name: 'PreSettlementEditor',
-  components: { InfoFilled, ChangeRecordDetailDialog },
+  components: { InfoFilled, ChangeRecordDetailDialog, ProjectAdvanceWriteOff },
   props: {
     modelValue: {
       type: Boolean,
@@ -1084,6 +1095,7 @@ export default {
         size: 10,
       },
       advances: [],
+      projectAdvanceWriteOffs: [],
       changeRecords: [],
       attachments: [],
       attachmentTypeOptions: [],
@@ -1396,6 +1408,7 @@ export default {
       this.appliedDetailQuery = { ...this.detailQuery };
       this.detailPage = { current: 1, size: 10 };
       this.advances = [];
+      this.projectAdvanceWriteOffs = [];
       this.changeRecords = [];
       this.attachments = [];
       this.selectedAttachmentRows = [];
@@ -1435,6 +1448,13 @@ export default {
           createUserName: row.createUserName || detail.createUserName,
           createTime: row.createTime || detail.createTime,
         }));
+        this.projectAdvanceWriteOffs = (detail.projectAdvanceWriteOffs || []).map(row => ({
+          ...row,
+          writeOffAmount: Number(row.writeOffAmount || 0),
+          projectAdvanceAmount: Number(row.projectAdvanceAmount || 0),
+          availableWriteOffAmount: Number(row.availableWriteOffAmount || 0),
+          createTime: row.paymentCreateTime || row.createTime,
+        }));
         this.changeRecords = detail.changeRecords || [];
         this.attachments = this.parseAttachments(detail.attachmentsJson);
         this.sortAttachments();
@@ -1579,6 +1599,7 @@ export default {
         this.form.payerName = '';
         this.form.payeeName = '';
         this.summaryFees = [];
+        this.projectAdvanceWriteOffs = [];
         return;
       }
       this.form.contractId = contract.id;
@@ -1593,6 +1614,7 @@ export default {
       this.form.payeeName = contract.partyB;
       this.form.currency = contract.settlementCurrency || 'RMB';
       this.summaryFees = [];
+      this.projectAdvanceWriteOffs = [];
       if (this.form.currency !== 'RMB') {
         this.form.exchangeRateDate = this.$dayjs().format('YYYY-MM-DD');
         this.fetchBfiExchangeRate();
@@ -1613,6 +1635,9 @@ export default {
         this.$message.warning(`请完善结算合计第${invalidManualFeeIndex + 1}行的费用类型和费用项`);
         return;
       }
+      if (this.$refs.projectAdvanceWriteOffRef?.validateBeforeSave?.() === false) {
+        return;
+      }
       const stateKey = shouldSubmit ? 'submitting' : 'saving';
       this[stateKey] = true;
       try {
@@ -1660,6 +1685,7 @@ export default {
           remark: row.remark,
           manualFlag: row.manualFlag || 0,
         })),
+        projectAdvanceWriteOffs: this.$refs.projectAdvanceWriteOffRef?.toSavePayload?.() || [],
       };
     },
     addSummaryFee() {
diff --git a/src/views/settlement/components/project-advance-write-off.vue b/src/views/settlement/components/project-advance-write-off.vue
new file mode 100644
index 0000000..a273121
--- /dev/null
+++ b/src/views/settlement/components/project-advance-write-off.vue
@@ -0,0 +1,300 @@
+<template>
+  <section-card title="项目预付核销">
+    <template v-if="editable" #extra>
+      <el-button type="primary" :disabled="!contractId" @click="openSelectDialog">选择</el-button>
+    </template>
+    <el-table :data="rows" border>
+      <el-table-column type="index" label="序号" width="64" align="center" />
+      <el-table-column
+        prop="paymentNo"
+        label="预付单号"
+        min-width="160"
+        align="center"
+        show-overflow-tooltip
+      />
+      <el-table-column label="项目预付金额" min-width="140" align="center">
+        <template #default="{ row }">{{ formatMoney(row.projectAdvanceAmount) }}</template>
+      </el-table-column>
+      <el-table-column label="可核销金额" min-width="140" align="center">
+        <template #default="{ row }">{{ formatMoney(row.availableWriteOffAmount) }}</template>
+      </el-table-column>
+      <el-table-column label="本次核销金额" min-width="160" align="center">
+        <template #default="{ row }">
+          <el-input-number
+            v-if="editable"
+            v-model="row.writeOffAmount"
+            :min="0"
+            :precision="2"
+            :controls="false"
+            class="project-advance-write-off__amount"
+            @change="handleAmountChange(row)"
+          />
+          <span v-else>{{ formatMoney(row.writeOffAmount) }}</span>
+        </template>
+      </el-table-column>
+      <el-table-column
+        prop="kingdeeBillNo"
+        label="金蝶预付单号"
+        min-width="160"
+        align="center"
+        show-overflow-tooltip
+      >
+        <template #default="{ row }">{{ row.kingdeeBillNo || '-' }}</template>
+      </el-table-column>
+      <el-table-column
+        prop="createUserName"
+        label="创建人"
+        min-width="120"
+        align="center"
+        show-overflow-tooltip
+      >
+        <template #default="{ row }">{{ row.createUserName || '-' }}</template>
+      </el-table-column>
+      <el-table-column prop="createTime" label="创建时间" min-width="170" align="center">
+        <template #default="{ row }">{{ formatDateTime(row.createTime || row.paymentCreateTime) }}</template>
+      </el-table-column>
+      <el-table-column v-if="editable" label="操作" width="90" align="center" fixed="right">
+        <template #default="{ $index }">
+          <el-link type="danger" @click="removeRow($index)">删除</el-link>
+        </template>
+      </el-table-column>
+    </el-table>
+
+    <el-dialog
+      v-model="dialog.visible"
+      title="选择项目预付单"
+      width="960px"
+      append-to-body
+      destroy-on-close
+      class="dialog-form-title"
+      @closed="handleDialogClosed"
+    >
+      <el-table
+        v-loading="dialog.loading"
+        :data="dialog.rows"
+        border
+        @selection-change="handleSelectionChange"
+      >
+        <el-table-column type="selection" width="55" align="center" :selectable="rowSelectable" />
+        <el-table-column type="index" label="序号" width="64" align="center" />
+        <el-table-column
+          prop="paymentNo"
+          label="预付单号"
+          min-width="160"
+          align="center"
+          show-overflow-tooltip
+        />
+        <el-table-column label="项目预付金额" min-width="140" align="center">
+          <template #default="{ row }">{{ formatMoney(row.projectAdvanceAmount) }}</template>
+        </el-table-column>
+        <el-table-column label="可核销金额" min-width="140" align="center">
+          <template #default="{ row }">{{ formatMoney(row.availableWriteOffAmount) }}</template>
+        </el-table-column>
+        <el-table-column
+          prop="kingdeeBillNo"
+          label="金蝶预付单号"
+          min-width="160"
+          align="center"
+          show-overflow-tooltip
+        >
+          <template #default="{ row }">{{ row.kingdeeBillNo || '-' }}</template>
+        </el-table-column>
+        <el-table-column
+          prop="createUserName"
+          label="创建人"
+          min-width="120"
+          align="center"
+          show-overflow-tooltip
+        >
+          <template #default="{ row }">{{ row.createUserName || '-' }}</template>
+        </el-table-column>
+        <el-table-column prop="createTime" label="创建时间" min-width="170" align="center">
+          <template #default="{ row }">{{ formatDateTime(row.createTime) }}</template>
+        </el-table-column>
+      </el-table>
+      <template #footer>
+        <el-button @click="dialog.visible = false">取消</el-button>
+        <el-button type="primary" :disabled="!dialog.selection.length" @click="confirmSelect">
+          确定
+        </el-button>
+      </template>
+    </el-dialog>
+  </section-card>
+</template>
+
+<script>
+import { getProjectAdvanceWriteOffOptions } from '@/api/payment/paymentApplication';
+
+export default {
+  name: 'ProjectAdvanceWriteOff',
+  props: {
+    modelValue: {
+      type: Array,
+      default: () => [],
+    },
+    editable: {
+      type: Boolean,
+      default: true,
+    },
+    contractId: {
+      type: [String, Number],
+      default: '',
+    },
+    settlementAmount: {
+      type: [String, Number],
+      default: 0,
+    },
+    settlementType: {
+      type: String,
+      required: true,
+    },
+    settlementId: {
+      type: [String, Number],
+      default: '',
+    },
+  },
+  emits: ['update:modelValue'],
+  data() {
+    return {
+      dialog: {
+        visible: false,
+        loading: false,
+        rows: [],
+        selection: [],
+      },
+    };
+  },
+  computed: {
+    rows: {
+      get() {
+        return Array.isArray(this.modelValue) ? this.modelValue : [];
+      },
+      set(value) {
+        this.$emit('update:modelValue', value);
+      },
+    },
+  },
+  methods: {
+    formatMoney(value) {
+      const amount = Number(value);
+      return Number.isFinite(amount) ? amount.toFixed(2) : '0.00';
+    },
+    formatDateTime(value) {
+      if (!value) return '-';
+      return this.$dayjs(value).format('YYYY-MM-DD HH:mm:ss');
+    },
+    money(value) {
+      const amount = Number(value);
+      return Number.isFinite(amount) ? Number(amount.toFixed(2)) : 0;
+    },
+    openSelectDialog() {
+      if (!this.contractId) {
+        this.$message.warning('请先选择合同');
+        return;
+      }
+      this.dialog.visible = true;
+      this.loadOptions();
+    },
+    async loadOptions() {
+      this.dialog.loading = true;
+      try {
+        const res = await getProjectAdvanceWriteOffOptions({
+          contractId: this.contractId,
+          excludeSettlementType: this.settlementType,
+          excludeSettlementId: this.settlementId || undefined,
+        });
+        this.dialog.rows = res?.data?.data || [];
+      } finally {
+        this.dialog.loading = false;
+      }
+    },
+    rowSelectable(row) {
+      const selectedIds = new Set(this.rows.map(item => String(item.paymentApplicationId)));
+      return !selectedIds.has(String(row.paymentApplicationId));
+    },
+    handleSelectionChange(list) {
+      this.dialog.selection = list || [];
+    },
+    confirmSelect() {
+      const nextRows = [...this.rows];
+      const existed = new Set(nextRows.map(item => String(item.paymentApplicationId)));
+      this.dialog.selection.forEach(item => {
+        const id = String(item.paymentApplicationId);
+        if (existed.has(id)) return;
+        nextRows.push({
+          paymentApplicationId: item.paymentApplicationId,
+          paymentNo: item.paymentNo,
+          projectAdvanceAmount: this.money(item.projectAdvanceAmount),
+          availableWriteOffAmount: this.money(item.availableWriteOffAmount),
+          writeOffAmount: this.money(item.availableWriteOffAmount),
+          kingdeeBillNo: item.kingdeeBillNo || '',
+          createUserName: item.createUserName || '',
+          createTime: item.createTime,
+          paymentCreateTime: item.createTime,
+        });
+      });
+      this.rows = nextRows;
+      this.dialog.visible = false;
+      this.validateTotal();
+    },
+    handleDialogClosed() {
+      this.dialog.rows = [];
+      this.dialog.selection = [];
+    },
+    handleAmountChange(row) {
+      const available = this.money(row.availableWriteOffAmount);
+      let amount = this.money(row.writeOffAmount);
+      if (amount < 0) amount = 0;
+      if (amount > available) {
+        amount = available;
+        this.$message.warning('本次核销金额不能超过可核销金额');
+      }
+      row.writeOffAmount = amount;
+      this.validateTotal();
+    },
+    validateTotal() {
+      const total = this.rows.reduce((sum, row) => sum + this.money(row.writeOffAmount), 0);
+      const settlementAmount = this.money(this.settlementAmount);
+      if (settlementAmount > 0 && total > settlementAmount) {
+        this.$message.warning('项目预付核销合计不能超过结算单金额');
+        return false;
+      }
+      return true;
+    },
+    validateBeforeSave() {
+      for (const row of this.rows) {
+        const amount = this.money(row.writeOffAmount);
+        if (amount <= 0) {
+          this.$message.warning(`预付单${row.paymentNo || ''}本次核销金额必须大于0`);
+          return false;
+        }
+        if (amount > this.money(row.availableWriteOffAmount)) {
+          this.$message.warning(`预付单${row.paymentNo || ''}本次核销金额不能超过可核销金额`);
+          return false;
+        }
+      }
+      return this.validateTotal();
+    },
+    removeRow(index) {
+      const nextRows = [...this.rows];
+      nextRows.splice(index, 1);
+      this.rows = nextRows;
+    },
+    toSavePayload() {
+      return this.rows.map(row => ({
+        paymentApplicationId: row.paymentApplicationId,
+        writeOffAmount: this.money(row.writeOffAmount),
+      }));
+    },
+  },
+};
+</script>
+
+<style scoped lang="scss">
+.project-advance-write-off__amount {
+  width: 100%;
+}
+:deep(.project-advance-write-off__amount .el-input__inner) {
+  text-align: right;
+}
+</style>