feat: 页面优化

src/pages/Admin/Dept/index.tsx

@@ -94,6 +94,7 @@ export default function DeptPage() {
                     treeData={renderNodes(treeData)}
                     defaultExpandAll
                     showLine
+                    height={window.innerHeight - 400}
                     selectedKeys={selectedDeptId ? [selectedDeptId] : []}
                     onSelect={(keys) => setSelectedDeptId(keys[0] as number | undefined)}
                   />