diff --git a/src/components/MyTree.vue b/src/components/MyTree.vue
index 9ec4355..cddaad7 100644
--- a/src/components/MyTree.vue
+++ b/src/components/MyTree.vue
@@ -43,6 +43,12 @@ export default {
             type: Boolean,
             default: true,
         },
+        /** 受控的「全部展开」：true 时展开全部节点。由本组件在树初始化之后套用，
+         *  避免调用方在数据重载（切组/搜索过滤）时与 initTree 抢时序而丢失展开状态 */
+        expandAll: {
+            type: Boolean,
+            default: false,
+        },
         isCheck: {
             typeof: Boolean,
             default: false,
@@ -64,6 +70,12 @@ export default {
                 });
             }
         });
+        // 受控「全部展开」：开关切换即时生效（树未初始化时忽略，initTree 会按当前值套用）
+        this.$watch("expandAll", val => {
+            if (this.treeObj) {
+                this.treeObj.expandAll(!!val);
+            }
+        });
     },
     mounted() {
         this.domId = this.uuid();
@@ -128,6 +140,10 @@ export default {
             };
 
             _this.treeObj = $.fn.zTree.init($("#" + _domId), _this.treeSetting, _data);
+            // 数据重载后重新套用「全部展开」（节点 open 会被新数据重置）
+            if (_this.expandAll) {
+                _this.treeObj.expandAll(true);
+            }
             if (_this.autoClick) {
                 if (Array.isArray(this.treeData)) {
                     let id = this.treeData[0].id;
diff --git a/src/views/GroupAuth.vue b/src/views/GroupAuth.vue
index 3cedc41..f099010 100644
--- a/src/views/GroupAuth.vue
+++ b/src/views/GroupAuth.vue
@@ -40,10 +40,15 @@
                                 <span class="cat-name" :title="item.cat.name">{{ item.cat.name }}</span>
                                 <span class="cat-count">{{ item.treeData.length }}个应用</span>
                                 <span class="inherit-cap">子组继承</span>
+                                <!-- 开关外层 @click.stop：否则点击会冒泡到卡片头部触发折叠 -->
+                                <span class="expand-all" @click.stop>
+                                    <span class="expand-all-label">全部展开</span>
+                                    <Switch size="small" v-model="expandAllMap[String(item.cat.id)]" />
+                                </span>
                             </div>
                             <div v-show="!collapsedMap[String(item.cat.id)]" class="cat-card-body">
                                 <MyTree :treeData="item.treeData" :setting="treeSetting" :autoClick="false" :isCheck="true"
-                                    @on-tree-check="onTreeCheck" />
+                                    :expandAll="!!expandAllMap[String(item.cat.id)]" @on-tree-check="onTreeCheck" />
                             </div>
                         </div>
                     </div>
@@ -134,6 +139,9 @@ const searchKeyword = ref("");
 const appliedKeyword = ref("");
 const collapsedMap = reactive<Record<string, boolean>>({});
 
+/** 各应用类型卡片的「全部展开」开关（默认关闭）：状态随卡片独立保存，数据重载后仍生效 */
+const expandAllMap = reactive<Record<string, boolean>>({});
+
 const fallbackModeItems: DictItem[] = [
     { k: 0, v: "追加" },
     { k: 1, v: "覆盖" },
@@ -674,6 +682,19 @@ onMounted(async () => {
     margin-right: 6px;
 }
 
+.expand-all {
+    display: flex;
+    align-items: center;
+    flex-shrink: 0;
+    gap: 4px;
+}
+
+.expand-all-label {
+    font-size: 12px;
+    color: #999;
+    white-space: nowrap;
+}
+
 .cat-card-body {
     padding: 6px 8px;
     /* 子组继承复选框的绝对定位锚点：保证所有层级节点的复选框右对齐成一列 */
diff --git a/src/views/role-authz/AppModuleCheckTree.vue b/src/views/role-authz/AppModuleCheckTree.vue
index 885be3b..63e2528 100644
--- a/src/views/role-authz/AppModuleCheckTree.vue
+++ b/src/views/role-authz/AppModuleCheckTree.vue
@@ -26,10 +26,15 @@
                             :type="collapsedMap[String(item.cat.id)] ? 'ios-arrow-forward' : 'ios-arrow-down'" />
                         <span class="cat-name" :title="item.cat.name">{{ item.cat.name }}</span>
                         <span class="cat-count">{{ item.treeData.length }}个应用</span>
+                        <!-- 开关外层 @click.stop：否则点击会冒泡到卡片头部触发折叠 -->
+                        <span class="expand-all" @click.stop>
+                            <span class="expand-all-label">全部展开</span>
+                            <Switch size="small" v-model="expandAllMap[String(item.cat.id)]" />
+                        </span>
                     </div>
                     <div v-show="!collapsedMap[String(item.cat.id)]" class="cat-card-body">
                         <MyTree :treeData="item.treeData" :setting="treeSetting" :autoClick="false" :isCheck="true"
-                            @on-tree-check="onTreeCheck" />
+                            :expandAll="!!expandAllMap[String(item.cat.id)]" @on-tree-check="onTreeCheck" />
                     </div>
                 </div>
             </div>
@@ -82,6 +87,9 @@ const searchKeyword = ref("");
 const appliedKeyword = ref("");
 const collapsedMap = reactive<Record<string, boolean>>({});
 
+/** 各应用类型卡片的「全部展开」开关（默认关闭）：状态随卡片独立保存，数据重载后仍生效 */
+const expandAllMap = reactive<Record<string, boolean>>({});
+
 const treeSetting = {
     view: { dblClickExpand: false, showIcon: false },
     check: {
@@ -402,6 +410,19 @@ watch(
     padding: 6px 8px;
 }
 
+.expand-all {
+    display: flex;
+    align-items: center;
+    flex-shrink: 0;
+    gap: 4px;
+}
+
+.expand-all-label {
+    font-size: 12px;
+    color: #999;
+    white-space: nowrap;
+}
+
 .empty-tip {
     color: #999;
     padding: 48px 0;
diff --git a/src/views/role-authz/RoleUserManage.vue b/src/views/role-authz/RoleUserManage.vue
index 5cea475..bfd0a98 100644
--- a/src/views/role-authz/RoleUserManage.vue
+++ b/src/views/role-authz/RoleUserManage.vue
@@ -39,12 +39,13 @@ const existingBindings = computed(() =>
 );
 
 // 部门列为查询时按 groupId 拼接的组路径（非超管按数据范围裁剪，学校管理员只看到本校路径）
+// 账号/姓名用定宽、部门用 minWidth 吃剩余宽度，把空间留给组路径
 const columns = [
-    { title: "账号", key: "account", minWidth: 140 },
-    { title: "姓名", key: "realName", minWidth: 110 },
+    { title: "账号", key: "account", width: 110 },
+    { title: "姓名", key: "realName", width: 90 },
     { title: "部门", key: "groupPath", minWidth: 200 },
     {
-        title: "操作", key: "action", width: 90, align: "center",
+        title: "操作", key: "action", width: 80, align: "center",
         render: (h: any, { row }: any) => $utils.operatingTextHandle(h, "删除", "text-error", () => removeUser(row)),
     },
 ];