diff --git a/src/views/oa/erp/finInvoiceInfo/edit.vue b/src/views/oa/erp/finInvoiceInfo/edit.vue
index b94f687..2c0aa24 100644
--- a/src/views/oa/erp/finInvoiceInfo/edit.vue
+++ b/src/views/oa/erp/finInvoiceInfo/edit.vue
@@ -321,6 +321,8 @@ import { UserVO } from '@/api/system/user/types';
 import ContractSelectDialog from '@/views/oa/components/ContractSelectDialog.vue';
 import FileUpload from '@/components/FileUpload/index.vue';
 import { checkPermi } from '@/utils/permission';
+import { getContractInfo } from '@/api/oa/erp/contractInfo';
+import { listProjectInfoByContractId } from '@/api/oa/erp/projectInfo';
 
 const userOptions = ref<UserVO[]>([]);
 const deptOptions = ref<DeptTreeVO[]>([]);
@@ -549,6 +551,34 @@ const calculateReturnedRate = () => {
   }
 };
 
+// 新增开票页：从台账带入 contractId 时自动回填项目与合同信息
+const initByContractId = async () => {
+  const contractId = routeParams.value.contractId as string | number | undefined;
+  if (!contractId) return;
+
+  const [contractRes, projectRes] = await Promise.all([getContractInfo(contractId), listProjectInfoByContractId(contractId)]);
+  const contract = contractRes?.data;
+  const projectList = (projectRes?.data || []) as any[];
+  const routeProjectId = routeParams.value.projectId as string | number | undefined;
+  const matchedProject =
+    projectList.find((item) => routeProjectId && String(item.projectId) === String(routeProjectId)) || projectList[0];
+
+  Object.assign(form.value, {
+    contractId,
+    contractCode: contract?.contractCode,
+    contractName: contract?.contractName,
+    customerId: contract?.oneCustomerId,
+    customerName: contract?.oneCustomerName,
+    totalPrice: contract?.totalPrice,
+    projectId: matchedProject?.projectId,
+    projectCode: matchedProject?.projectCode,
+    projectName: matchedProject?.projectName,
+    contractFlag: matchedProject?.contractFlag
+  });
+
+  await getContractPaymentMethods(contractId);
+};
+
 
 const isInitialized = ref(false);
 onMounted(async () => {
@@ -568,6 +598,7 @@ onMounted(async () => {
       } else {
         const res = await getBaseInfo();
         Object.assign(form.value, res.data);
+        await initByContractId();
         handleAddItem();
       }
       // 数据加载完成后，设置初始化标志为 true
diff --git a/src/views/oa/erp/orderLedger/index.vue b/src/views/oa/erp/orderLedger/index.vue
index 0898a33..1732ba6 100644
--- a/src/views/oa/erp/orderLedger/index.vue
+++ b/src/views/oa/erp/orderLedger/index.vue
@@ -319,6 +319,10 @@
                   <span class="section-title">开票信息</span>
                   <el-tag v-if="invoiceTotal > 0" type="info" size="small" class="count-tag"> {{ invoiceTotal }} 条 </el-tag>
                 </div>
+                <div class="header-actions">
+                  <el-button size="default" type="primary" icon="Plus" @click="addInvoiceFromLedger">新增开票</el-button>
+                  <el-button size="default" icon="Refresh" @click="loadInvoiceList">刷新</el-button>
+                </div>
               </div>
 
               <el-table :data="invoiceList" size="default" border stripe v-loading="loadingInvoice" class="data-table">
@@ -474,7 +478,7 @@ const purchaseQuery = reactive({
   spareFlag: undefined as string | undefined
 });
 const invoiceTotal = ref(0);
-const invoiceQuery = reactive({ pageNum: 1, pageSize: 10, projectId: undefined as string | number | undefined, contractId: undefined as string | number | undefined });
+const invoiceQuery = reactive({ pageNum: 1, pageSize: 10, contractId: undefined as string | number | undefined });
 
 /** 格式化数字 */
 const formatNumber = (num: number) => {
@@ -589,6 +593,20 @@ const viewInvoice = (row: FinInvoiceInfoVO) => {
   });
 };
 
+/** 从台账新增开票，并携带合同信息 */
+const addInvoiceFromLedger = () => {
+  const contractId = orderInfo.value?.contractId ?? contractInfo.value?.contractId;
+  if (!contractId) {
+    proxy?.$modal.msgWarning('合同信息未加载完成，请稍后重试');
+    return;
+  }
+  proxy?.$tab.openPage('/fin/finInvoiceInfo/edit', '开票信息', {
+    type: 'add',
+    source: 'orderLedger',
+    contractId
+  });
+};
+
 /** 加载订单基本信息和合同信息 */
 const loadOrderAndContract = async () => {
   if (!projectId.value) return;
@@ -647,16 +665,14 @@ const getPurchaseMaterialRowClass = ({ row }: { row: { unpurchasedAmount?: numbe
 
 /** 加载开票信息 */
 const loadInvoiceList = async () => {
-  if (!projectId.value) {
+  const contractId = orderInfo.value?.contractId ?? contractInfo.value?.contractId;
+  if (!contractId) {
     invoiceList.value = [];
     invoiceTotal.value = 0;
     return;
   }
 
-  // 优先按合同ID查询（开票VO里也有contractId），否则按项目ID查询
-  const contractId = orderInfo.value?.contractId ?? contractInfo.value?.contractId;
-  invoiceQuery.projectId = contractId ? undefined : projectId.value;
-  invoiceQuery.contractId = contractId ? contractId : undefined;
+  invoiceQuery.contractId = contractId;
 
   loadingInvoice.value = true;
   try {