diff --git a/src/router/views/index.js b/src/router/views/index.js
index be1a05d..e90da64 100644
--- a/src/router/views/index.js
+++ b/src/router/views/index.js
@@ -104,6 +104,22 @@ export default [
       },
     ],
   },
+  {
+    // 兼容旧菜单路径：按 detailNo 解析应付/应收后跳转到拆分后的列表页
+    path: '/settlement/formal-settlement',
+    component: Layout,
+    children: [
+      {
+        path: '',
+        name: '正式结算单兼容跳转',
+        meta: {
+          keepAlive: false,
+          activeMenu: '/settlement/payment-settlement',
+        },
+        component: loadView(() => import('@/views/settlement/formal-settlement-redirect.vue')),
+      },
+    ],
+  },
   {
     path: '/settlement/formal-settlement/form',
     component: Layout,
diff --git a/src/views/settlement/formal-settlement-redirect.vue b/src/views/settlement/formal-settlement-redirect.vue
new file mode 100644
index 0000000..76f3ce1
--- /dev/null
+++ b/src/views/settlement/formal-settlement-redirect.vue
@@ -0,0 +1,42 @@
+<template>
+  <div v-loading="true" class="formal-settlement-redirect" />
+</template>
+
+<script>
+import * as api from '@/api/settlement/formalSettlement';
+import { settlementListPath } from '@/utils/settlement-menu';
+
+/**
+ * 菜单拆分为付款/收款结算单后，旧路径 /settlement/formal-settlement 已无菜单路由。
+ * 本页按结算单号解析类型后 replace 到对应列表页，并保留 query（含 detailNo）。
+ */
+export default {
+  name: 'FormalSettlementRedirect',
+  async created() {
+    const detailNo = String(this.$route.query.detailNo || '').trim();
+    let settlementType = '';
+    if (detailNo) {
+      try {
+        const response = await api.getList(1, 10, { formalSettlementNo: detailNo });
+        const body = response?.data || response || {};
+        const data = body?.data || body;
+        const row = (data.records || []).find(item => item.formalSettlementNo === detailNo);
+        settlementType = row?.settlementType || '';
+      } catch (error) {
+        settlementType = '';
+      }
+    }
+    const path = settlementListPath(settlementType);
+    await this.$router.replace({
+      path,
+      query: { ...this.$route.query },
+    });
+  },
+};
+</script>
+
+<style scoped>
+.formal-settlement-redirect {
+  min-height: 240px;
+}
+</style>
diff --git a/src/views/settlement/formal-settlement.vue b/src/views/settlement/formal-settlement.vue
index 3c7926c..f622d02 100644
--- a/src/views/settlement/formal-settlement.vue
+++ b/src/views/settlement/formal-settlement.vue
@@ -152,6 +152,8 @@ export default {
         form: { appliedAmount: 0, remark: '' },
       },
       mkEnabled: false,
+      // keep-alive 多标签下仅激活实例响应 detailNo，避免缓存页重复弹窗
+      isPageActive: true,
     };
   },
   computed: {
@@ -222,11 +224,10 @@ export default {
     },
   },
   created() {
-    // 标签机制按 fullPath 缓存同页多实例：仅当前路由实例应响应 detailNo 跳转，防止缓存旧实例也弹窗
-    this.ownFullPath = this.$route.fullPath;
     this.loadOrganizationOptions();
   },
   mounted() {
+    this.isPageActive = true;
     this.openRouteDetail();
     loadMkEnabled()
       .then(enabled => {
@@ -237,10 +238,18 @@ export default {
       });
   },
   activated() {
+    this.isPageActive = true;
     if (sessionStorage.getItem('formal-settlement-list-refresh') === '1') {
       sessionStorage.removeItem('formal-settlement-list-refresh');
       this.onLoad(this.page);
     }
+    // 从其他页带 detailNo 跳回时，激活态补开详情
+    if (this.$route.query.detailNo) {
+      this.openRouteDetail();
+    }
+  },
+  deactivated() {
+    this.isPageActive = false;
   },
   methods: {
     hasPermission(actionOrCode) {
@@ -320,7 +329,7 @@ export default {
     },
     async openRouteDetail(detailNo = this.$route.query.detailNo) {
       const formalSettlementNo = String(detailNo || '').trim();
-      if (!formalSettlementNo || this.ownFullPath !== this.$route.fullPath) return;
+      if (!formalSettlementNo || !this.isPageActive) return;
       const response = await api.getList(1, 10, { formalSettlementNo });
       const data = this.unwrapData(response);
       const row = (data.records || []).find(item => item.formalSettlementNo === formalSettlementNo);
@@ -328,6 +337,18 @@ export default {
         this.$message.warning(`未找到对应的${this.billLabel}`);
         return;
       }
+      // 锁定菜单（付款/收款）下若单号属于另一类型，跳到对应列表页再打开
+      if (
+        this.lockedSettlementType &&
+        row.settlementType &&
+        row.settlementType !== this.lockedSettlementType
+      ) {
+        await this.$router.replace({
+          path: settlementListPath(row.settlementType),
+          query: { detailNo: formalSettlementNo },
+        });
+        return;
+      }
       if (!this.lockedSettlementType) {
         this.activeSettlementType = row.settlementType || this.activeSettlementType;
       }
diff --git a/src/views/settlement/receivable-payable-detail.vue b/src/views/settlement/receivable-payable-detail.vue
index 75603cd..3d15c6c 100644
--- a/src/views/settlement/receivable-payable-detail.vue
+++ b/src/views/settlement/receivable-payable-detail.vue
@@ -1914,7 +1914,7 @@ export default {
         return;
       }
       if (this.settlementType === 'payable' && column.prop === 'formalSettlementNo') {
-        this.openSettlementDetail('/settlement/formal-settlement', row.formalSettlementNo);
+        this.openSettlementDetail('/settlement/payment-settlement', row.formalSettlementNo);
         return;
       }
       this.openDetailDialog(row);
diff --git a/src/views/settlement/settlement-adjustment.vue b/src/views/settlement/settlement-adjustment.vue
index 3d99e0c..93f1b06 100644
--- a/src/views/settlement/settlement-adjustment.vue
+++ b/src/views/settlement/settlement-adjustment.vue
@@ -185,6 +185,7 @@ import { kingdeeSyncStatusOptions } from '@/option/settlement/formalSettlementSe
 import SettlementAdjustmentEditor from './components/settlement-adjustment-editor.vue';
 import SettlementTableTools from './components/settlement-table-tools.vue';
 import { isAdministrator } from '@/utils/auth';
+import { settlementListPath } from '@/utils/settlement-menu';
 
 const emptyQuery = () => ({
   adjustmentNo: '',
@@ -285,20 +286,23 @@ export default {
     openView(row) {
       this.editor = { visible: true, id: row.id, readonly: true };
     },
-    // 单据号→本单查看弹窗；结算单号→跳正式结算列表页并自动打开该单详情（页面支持 ?detailNo=）
+    // 单据号→本单查看弹窗；结算单号→跳付款/收款结算列表页并自动打开该单详情（页面支持 ?detailNo=）
     handleTableLink(row, column) {
       if (column.prop === 'formalSettlementNo') {
-        this.openSettlementDetail(row.formalSettlementNo);
+        this.openSettlementDetail(row.formalSettlementNo, row.settlementType);
         return;
       }
       this.openView(row);
     },
-    openSettlementDetail(detailNo) {
+    openSettlementDetail(detailNo, settlementType) {
       if (!detailNo) {
         this.$message.info('当前记录未关联结算单详情');
         return;
       }
-      this.$router.push({ path: '/settlement/formal-settlement', query: { detailNo } });
+      this.$router.push({
+        path: settlementListPath(settlementType),
+        query: { detailNo },
+      });
     },
     isEditable(row) {
       return ['draft', 'returned'].includes(row.approvalStatus);