diff --git a/src/api/apiDefinitions.ts b/src/api/apiDefinitions.ts
index 09e5444..2bde1c7 100644
--- a/src/api/apiDefinitions.ts
+++ b/src/api/apiDefinitions.ts
@@ -85,6 +85,7 @@ export default {
   'SysOapiLog.oapiLogDownload': ['GET', '/api/oapilog/Download/{id}'],
   'GroupAuthz.userRoles': ['GET', '/api/groupauthz/UserRoles'],
   'GroupAuthz.userPermissionTree': ['GET', '/api/groupauthz/UserPermissionTree'],
+  'GroupAuthz.groupPermissionTree': ['GET', '/api/groupauthz/GroupPermissionTree'],
   'GroupAuthz.userGroupTree': ['GET', '/api/groupauthz/UserGroupTree'],
   'GroupAuthz.searchUsers': ['GET', '/api/groupauthz/SearchUsers'],
   'GroupAuthz.hasModulePerm': ['GET', '/api/groupauthz/HasModulePerm'],
diff --git a/src/views/PermissionView.vue b/src/views/PermissionView.vue
index 7f6b17c..254a1b3 100644
--- a/src/views/PermissionView.vue
+++ b/src/views/PermissionView.vue
@@ -46,7 +46,8 @@
                             <div class="side-body">
                                 <div v-if="treeLoading" class="loading-tip small">加载中...</div>
                                 <div v-else-if="deptTree.length === 0" class="empty-tip small">暂无部门归属</div>
-                                <MyTree v-else :treeData="deptTree" :setting="treeSetting" />
+                                <MyTree v-else :treeData="deptTree" :setting="treeSetting" :autoClick="false"
+                                    @on-tree-click="onDeptNodeClick" />
                             </div>
                         </div>
                         <div class="side-block">
@@ -54,16 +55,17 @@
                             <div class="side-body">
                                 <div v-if="treeLoading" class="loading-tip small">加载中...</div>
                                 <div v-else-if="roleTree.length === 0" class="empty-tip small">暂无所属角色</div>
-                                <MyTree v-else :treeData="roleTree" :setting="treeSetting" />
+                                <MyTree v-else :treeData="roleTree" :setting="treeSetting" :autoClick="false"
+                                    @on-tree-click="onRoleNodeClick" />
                             </div>
                         </div>
                     </div>
-                    <!-- 右列：已授权应用（原有） -->
+                    <!-- 右列：已授权应用（原有）；支持三种视图：用户聚合 / 部门树节点 / 角色树节点 -->
                     <div class="perm-main">
-                        <div class="side-title">已授权应用</div>
+                        <div class="side-title">{{ permMainTitle }}</div>
                         <div class="side-body">
-                            <div v-if="treeLoading" class="loading-tip">权限加载中...</div>
-                            <div v-else-if="permissionTree.length === 0" class="empty-tip">该用户暂无已授权应用模块</div>
+                            <div v-if="permLoading" class="loading-tip">权限加载中...</div>
+                            <div v-else-if="permissionTree.length === 0" class="empty-tip">{{ permEmptyTip }}</div>
                             <MyTree v-else ref="permTreeRef" :treeData="permissionTree" :setting="treeSetting" />
                         </div>
                     </div>
@@ -74,7 +76,7 @@
 </template>
 
 <script lang="ts" setup>
-import { ref } from "vue";
+import { ref, computed } from "vue";
 import { Input } from "view-ui-plus";
 import GroupTreeSearchPanel from "@/components/GroupTreeSearchPanel.vue";
 import MyTree from "@/components/MyTree.vue";
@@ -146,6 +148,25 @@ const deptTree = ref<any[]>([]);
 const roleTree = ref<any[]>([]);
 const userLoading = ref(false);
 const treeLoading = ref(false);
+// 右列「已授权应用」独立 loading：部门/角色节点点击只刷新右列，不能把左列两棵树刷成加载中
+const permLoading = ref(false);
+// 右列当前展示上下文：user=选中用户的聚合权限 / group=部门树节点的组授权 / role=角色树节点的角色授权
+const permScope = ref<{ type: "user" | "group" | "role"; id?: number; label: string }>({
+    type: "user",
+    label: "",
+});
+
+const permMainTitle = computed(() => {
+    if (permScope.value.type === "group") return `已授权应用（部门：${permScope.value.label}）`;
+    if (permScope.value.type === "role") return `已授权应用（角色：${permScope.value.label}）`;
+    return "已授权应用";
+});
+
+const permEmptyTip = computed(() => {
+    if (permScope.value.type === "group") return "该部门暂无已授权应用模块";
+    if (permScope.value.type === "role") return "该角色暂无已授权应用模块";
+    return "该用户暂无已授权应用模块";
+});
 
 const treeSetting = ref({
     view: { dblClickExpand: false, showIcon: false, showLine: true },
@@ -180,6 +201,7 @@ function clearPermPanels() {
     permissionTree.value = [];
     deptTree.value = [];
     roleTree.value = [];
+    permScope.value = { type: "user", label: "" };
 }
 
 async function loadGroupUsers(groupId?: number) {
@@ -234,6 +256,8 @@ function onClearUser() {
 async function onSelectUser(user: UserItem) {
     selectedUser.value = user;
     treeLoading.value = true;
+    // 切换用户后右列回到「用户聚合权限」视图（覆盖可能存在的部门/角色节点视图）
+    permScope.value = { type: "user", id: user.id, label: "" };
     const userId = user.id as number;
     // 行自带组ID（多组用户每个组一行）优先；组列表模式回退左侧选中组
     const groupId = user.groupId ?? (selectedGroup.value?.id ? Number(selectedGroup.value.id) : undefined);
@@ -251,10 +275,15 @@ async function onSelectUser(user: UserItem) {
         Apis.GroupAuthz.userRoles({ params: { userId }, cacheFor: null }),
     ]);
     if (permRes.status === "fulfilled") {
-        permissionTree.value = formatPermissionTree((permRes.value as CategoryNode[]) || []);
+        // 加载期间用户可能已点了部门/角色节点切走视图，仅在仍处于该用户视图时回填
+        if (permScope.value.type === "user" && permScope.value.id === userId) {
+            permissionTree.value = formatPermissionTree((permRes.value as CategoryNode[]) || []);
+        }
     } else {
         console.warn(permRes.reason?.message || "加载权限树失败");
-        permissionTree.value = [];
+        if (permScope.value.type === "user" && permScope.value.id === userId) {
+            permissionTree.value = [];
+        }
     }
     if (deptRes.status === "fulfilled") {
         deptTree.value = formatDeptTree((deptRes.value as GroupNode[]) || []);
@@ -271,6 +300,112 @@ async function onSelectUser(user: UserItem) {
     treeLoading.value = false;
 }
 
+// 所属部门树节点点击：右列切换为「该组的组授权」视图（开通池=本组+祖先并集、就近继承；不含任何角色授权）
+function onDeptNodeClick(node: any) {
+    const id = String(node?.id ?? "");
+    if (!id.startsWith("grp_")) return;
+    const groupId = Number(id.slice(4));
+    if (!groupId || (permScope.value.type === "group" && permScope.value.id === groupId)) return;
+    permScope.value = { type: "group", id: groupId, label: String(node.name || "") };
+    permLoading.value = true;
+    Apis.GroupAuthz.groupPermissionTree({ params: { groupId }, cacheFor: null })
+        .then((cats: any) => {
+            if (permScope.value.type === "group" && permScope.value.id === groupId) {
+                permissionTree.value = formatPermissionTree((cats as CategoryNode[]) || []);
+            }
+        })
+        .catch((e: any) => {
+            console.warn(e?.message || "加载组权限树失败");
+            if (permScope.value.type === "group" && permScope.value.id === groupId) {
+                permissionTree.value = [];
+            }
+        })
+        .finally(() => {
+            permLoading.value = false;
+        });
+}
+
+// 所属角色树节点点击：右列切换为「该角色的授权模块」视图。
+// 复用角色授权面板的 RoleModuleTree 回显接口，仅保留勾选(checked)模块，无勾选模块的应用整棵不显示。
+function onRoleNodeClick(node: any) {
+    const id = String(node?.id ?? "");
+    if (!id.startsWith("role_")) return; // 「平台角色」/应用名分组节点不响应
+    const roleId = Number(id.slice(5));
+    if (!roleId || (permScope.value.type === "role" && permScope.value.id === roleId)) return;
+    permScope.value = { type: "role", id: roleId, label: String(node.name || "") };
+    permLoading.value = true;
+    Promise.all([
+        Apis.AppRole.roleModuleTree({ params: { roleId }, cacheFor: null }),
+        Apis.AppSettings.appList({ params: { pageIndex: 1, pageSize: 9999 }, cacheFor: null }),
+        Apis.AppSettings.appTypeList({ cacheFor: null }),
+    ])
+        .then(([apps, appListRes, typeRes]: any[]) => {
+            if (permScope.value.type === "role" && permScope.value.id === roleId) {
+                permissionTree.value = formatRoleAuthzTree(apps, appListRes, typeRes);
+            }
+        })
+        .catch((e: any) => {
+            console.warn(e?.message || "加载角色权限树失败");
+            if (permScope.value.type === "role" && permScope.value.id === roleId) {
+                permissionTree.value = [];
+            }
+        })
+        .finally(() => {
+            permLoading.value = false;
+        });
+}
+
+// 角色授权模块 → 按应用分类分组（应用无 categoryId 时落「未分类」，与角色授权面板同口径）
+function formatRoleAuthzTree(apps: any[], appListRes: any, typeRes: any): any[] {
+    const appArr: any[] = appListRes?.content ?? appListRes ?? [];
+    const catMap = new Map<number, number>();
+    appArr.forEach((a: any) => {
+        if (a.id != null) catMap.set(Number(a.id), Number(a.categoryId));
+    });
+    const typeMap = new Map<number, string>();
+    (typeRes ?? []).forEach((t: any) => typeMap.set(Number(t.id), String(t.name || `分类${t.id}`)));
+
+    const groups = new Map<number, any>();
+    for (const app of apps || []) {
+        const children = filterCheckedModules(app.modules || []);
+        if (children.length === 0) continue; // 角色未勾选任何模块的应用不展示
+        const cid = catMap.get(Number(app.id)) ?? -1;
+        if (!groups.has(cid)) {
+            groups.set(cid, { id: cid, name: typeMap.get(cid) || "未分类", open: true, isParent: true, apps: [] });
+        }
+        groups.get(cid).apps.push({
+            id: `app_${app.id}_${cid}`,
+            name: app.name || `应用${app.id}`,
+            open: false, // 与用户视图一致：应用一级默认闭合，点击才展开模块
+            children,
+        });
+    }
+    // 分类按 id 升序，「未分类」(-1) 沉底；应用沿用接口返回顺序（后端已按 sortNo 排好）
+    return [...groups.values()].sort((a, b) => {
+        if (a.id === -1) return 1;
+        if (b.id === -1) return -1;
+        return a.id - b.id;
+    });
+}
+
+// 仅保留勾选(checked)的模块；父未勾选但子孙有勾选时保留父节点以维持层级
+function filterCheckedModules(nodes: any[]): any[] {
+    const out: any[] = [];
+    for (const n of nodes || []) {
+        const children = filterCheckedModules(n.children || []);
+        if (n.checked || children.length > 0) {
+            out.push({
+                id: `mod_${n.id}`,
+                name: n.name || `模块${n.id}`,
+                open: true,
+                children,
+                isParent: (n.children || []).length > 0,
+            });
+        }
+    }
+    return out;
+}
+
 // 所属部门：祖先链树，用户直接归属的组加「本组」标记
 function formatDeptTree(nodes: GroupNode[]): any[] {
     return (nodes || []).map((n) => ({