diff --git a/src/modules/agents/agents-console.tsx b/src/modules/agents/agents-console.tsx
index 42cfa5c..71abc51 100644
--- a/src/modules/agents/agents-console.tsx
+++ b/src/modules/agents/agents-console.tsx
@@ -148,8 +148,10 @@ function AgentTreeNodes({
         <li key={node.id}>
           <div
             className={cn(
-              "group flex items-center gap-1 rounded-md pr-2",
-              selectedId === node.id ? "bg-primary/5 ring-1 ring-primary/20" : "hover:bg-muted/60",
+              "group flex items-center gap-1 rounded-md pr-2 transition-colors",
+              selectedId === node.id 
+                ? "bg-primary text-primary-foreground shadow-sm" 
+                : "hover:bg-muted/60 text-muted-foreground",
             )}
           >
             {node.children && node.children.length > 0 ? (
@@ -157,7 +159,12 @@ function AgentTreeNodes({
                 type="button"
                 aria-label="toggle children"
                 onClick={() => onToggleExpand(node.id)}
-                className="ml-1 rounded-sm p-0.5 text-muted-foreground hover:bg-muted"
+                className={cn(
+                  "ml-1 rounded-sm p-0.5 transition-colors",
+                  selectedId === node.id 
+                    ? "text-primary-foreground/80 hover:bg-primary-foreground/20 hover:text-primary-foreground" 
+                    : "text-muted-foreground hover:bg-muted hover:text-foreground"
+                )}
               >
                 <ChevronRight
                   className={cn(
@@ -174,11 +181,16 @@ function AgentTreeNodes({
               onClick={() => onSelect(node)}
               className={cn(
                 "flex min-w-0 flex-1 items-center gap-1 rounded-md py-1.5 text-left text-sm",
-                selectedId === node.id && "font-medium text-foreground",
+                selectedId === node.id ? "font-medium" : "text-foreground",
               )}
             >
               <span className="truncate">{node.name}</span>
-              <span className="ml-auto font-mono text-[11px] text-muted-foreground">{node.code}</span>
+              <span className={cn(
+                "ml-auto font-mono text-[11px]",
+                selectedId === node.id ? "text-primary-foreground/70" : "text-muted-foreground"
+              )}>
+                {node.code}
+              </span>
             </button>
           </div>
           {node.children && node.children.length > 0 && expandedIds.has(node.id) ? (
@@ -603,13 +615,6 @@ export function AgentsConsole(): React.ReactElement {
           </Select>
         ) : null}
       </div>
-      <div className="rounded-xl border bg-muted/20 px-3 py-2 text-xs text-muted-foreground">
-        {t("modelGuide", {
-          defaultValue:
-            "代理层负责数据范围（Scope）与授权上限（Ceiling），账号权限请通过角色分配。",
-        })}
-      </div>
-
       {err ? <p className="text-sm text-destructive">{err}</p> : null}
 
       <div className="grid gap-4 lg:grid-cols-[minmax(220px,280px)_1fr]">
@@ -704,9 +709,7 @@ export function AgentsConsole(): React.ReactElement {
                 <TabsList>
                   {canViewRoles ? <TabsTrigger value="roles">{t("tabs.roles")}</TabsTrigger> : null}
                   {canViewUsers ? <TabsTrigger value="users">{t("tabs.users")}</TabsTrigger> : null}
-                  {canManageDelegation ? (
-                    <TabsTrigger value="delegation">{t("tabs.delegation")}</TabsTrigger>
-                  ) : null}
+
                 </TabsList>
                 {canManageNode && !selected.is_root ? (
                   <Button type="button" size="sm" variant="outline" onClick={openEditNode}>
@@ -944,61 +947,7 @@ export function AgentsConsole(): React.ReactElement {
                 </TabsContent>
               ) : null}
 
-              {canManageDelegation ? (
-                <TabsContent value="delegation">
-                  <p className="mb-3 text-sm text-muted-foreground">{t("delegation.hint")}</p>
-                  {delegationGrants.length === 0 ? (
-                    <p className="text-sm text-muted-foreground">{t("delegation.empty")}</p>
-                  ) : (
-                    <div className="rounded-xl border">
-                      <Table>
-                        <TableHeader>
-                          <TableRow>
-                            <TableHead>{t("delegation.permission")}</TableHead>
-                            <TableHead className="w-[140px]">{t("delegation.canDelegate")}</TableHead>
-                          </TableRow>
-                        </TableHeader>
-                        <TableBody>
-                          {delegationGrants.map((grant) => (
-                            <TableRow key={grant.menu_action_id}>
-                              <TableCell>
-                                <div className="font-medium">{grant.name}</div>
-                                <div className="font-mono text-xs text-muted-foreground">
-                                  {grant.permission_code}
-                                </div>
-                              </TableCell>
-                              <TableCell>
-                                <Checkbox
-                                  checked={grant.can_delegate}
-                                  onCheckedChange={(checked) => {
-                                    setDelegationGrants((prev) =>
-                                      prev.map((row) =>
-                                        row.menu_action_id === grant.menu_action_id
-                                          ? { ...row, can_delegate: checked === true }
-                                          : row,
-                                      ),
-                                    );
-                                  }}
-                                />
-                              </TableCell>
-                            </TableRow>
-                          ))}
-                        </TableBody>
-                      </Table>
-                    </div>
-                  )}
-                  <div className="mt-4 flex justify-end">
-                    <Button
-                      type="button"
-                      size="sm"
-                      disabled={delegationSaving || delegationGrants.length === 0}
-                      onClick={() => void saveDelegation()}
-                    >
-                      {t("delegation.save")}
-                    </Button>
-                  </div>
-                </TabsContent>
-              ) : null}
+
             </Tabs>
           )}
         </AdminPageCard>