diff --git a/src/config/types.gateway.ts b/src/config/types.gateway.ts
index 385ece27aad..c13528790aa 100644
--- a/src/config/types.gateway.ts
+++ b/src/config/types.gateway.ts
@@ -99,6 +99,8 @@ export type TalkConfigResponse = TalkConfig & {
 export type GatewayControlUiConfig = {
   /** If false, the Gateway will not serve the Control UI (default /). */
   enabled?: boolean;
+  /** Custom browser tab title for the Control UI (default: "OpenClaw Control"). */
+  title?: string;
   /** Optional base path prefix for the Control UI (e.g. "/openclaw"). */
   basePath?: string;
   /** Optional filesystem root for Control UI assets (defaults to dist/control-ui). */
diff --git a/src/config/zod-schema.ts b/src/config/zod-schema.ts
index f8ad6bfcbc9..9ea1adb85c2 100644
--- a/src/config/zod-schema.ts
+++ b/src/config/zod-schema.ts
@@ -667,6 +667,7 @@ export const OpenClawSchema = z
         controlUi: z
           .object({
             enabled: z.boolean().optional(),
+            title: z.string().optional(),
             basePath: z.string().optional(),
             root: z.string().optional(),
             allowedOrigins: z.array(z.string()).optional(),
diff --git a/src/gateway/control-ui-contract.ts b/src/gateway/control-ui-contract.ts
index b53eca81db5..6b1ca0b19f1 100644
--- a/src/gateway/control-ui-contract.ts
+++ b/src/gateway/control-ui-contract.ts
@@ -6,4 +6,5 @@ export type ControlUiBootstrapConfig = {
   assistantAvatar: string;
   assistantAgentId: string;
   serverVersion?: string;
+  title?: string;
 };
diff --git a/src/gateway/control-ui.ts b/src/gateway/control-ui.ts
index b3d65bd72b8..0a27950f316 100644
--- a/src/gateway/control-ui.ts
+++ b/src/gateway/control-ui.ts
@@ -358,6 +358,7 @@ export function handleControlUiHttpRequest(
       assistantAvatar: avatarValue ?? identity.avatar,
       assistantAgentId: identity.agentId,
       serverVersion: resolveRuntimeServiceVersion(process.env),
+      title: config?.gateway?.controlUi?.title,
     } satisfies ControlUiBootstrapConfig);
     return true;
   }
diff --git a/ui/src/ui/controllers/control-ui-bootstrap.test.ts b/ui/src/ui/controllers/control-ui-bootstrap.test.ts
index 33460c3cb9d..5effe3b0587 100644
--- a/ui/src/ui/controllers/control-ui-bootstrap.test.ts
+++ b/ui/src/ui/controllers/control-ui-bootstrap.test.ts
@@ -63,6 +63,62 @@ describe("loadControlUiBootstrapConfig", () => {
     vi.unstubAllGlobals();
   });
 
+  it("sets document.title when title is present in bootstrap config", async () => {
+    const fetchMock = vi.fn().mockResolvedValue({
+      ok: true,
+      json: async () => ({
+        basePath: "",
+        assistantName: "Ops",
+        assistantAvatar: "O",
+        assistantAgentId: "main",
+        title: "Prod Gateway",
+      }),
+    });
+    vi.stubGlobal("fetch", fetchMock as unknown as typeof fetch);
+
+    const state = {
+      basePath: "",
+      assistantName: "Assistant",
+      assistantAvatar: null,
+      assistantAgentId: null,
+      serverVersion: null,
+    };
+
+    await loadControlUiBootstrapConfig(state);
+
+    expect(document.title).toBe("Prod Gateway");
+
+    vi.unstubAllGlobals();
+  });
+
+  it("does not override document.title when title is not set", async () => {
+    document.title = "OpenClaw Control";
+    const fetchMock = vi.fn().mockResolvedValue({
+      ok: true,
+      json: async () => ({
+        basePath: "",
+        assistantName: "Ops",
+        assistantAvatar: "O",
+        assistantAgentId: "main",
+      }),
+    });
+    vi.stubGlobal("fetch", fetchMock as unknown as typeof fetch);
+
+    const state = {
+      basePath: "",
+      assistantName: "Assistant",
+      assistantAvatar: null,
+      assistantAgentId: null,
+      serverVersion: null,
+    };
+
+    await loadControlUiBootstrapConfig(state);
+
+    expect(document.title).toBe("OpenClaw Control");
+
+    vi.unstubAllGlobals();
+  });
+
   it("normalizes trailing slash basePath for bootstrap fetch path", async () => {
     const fetchMock = vi.fn().mockResolvedValue({ ok: false });
     vi.stubGlobal("fetch", fetchMock as unknown as typeof fetch);
diff --git a/ui/src/ui/controllers/control-ui-bootstrap.ts b/ui/src/ui/controllers/control-ui-bootstrap.ts
index 6542fe1a9ba..3daa2bafbb6 100644
--- a/ui/src/ui/controllers/control-ui-bootstrap.ts
+++ b/ui/src/ui/controllers/control-ui-bootstrap.ts
@@ -45,6 +45,9 @@ export async function loadControlUiBootstrapConfig(state: ControlUiBootstrapStat
     state.assistantAvatar = normalized.avatar;
     state.assistantAgentId = normalized.agentId ?? null;
     state.serverVersion = parsed.serverVersion ?? null;
+    if (parsed.title) {
+      document.title = parsed.title;
+    }
   } catch {
     // Ignore bootstrap failures; UI will update identity after connecting.
   }
diff --git a/vitest.config.ts b/vitest.config.ts
index 568f5dd03e6..37d3cbcb58f 100644
--- a/vitest.config.ts
+++ b/vitest.config.ts
@@ -48,6 +48,7 @@ export default defineConfig({
       "ui/src/ui/views/usage-render-details.test.ts",
       "ui/src/ui/controllers/agents.test.ts",
       "ui/src/ui/controllers/chat.test.ts",
+      "ui/src/ui/controllers/control-ui-bootstrap.test.ts",
       "ui/src/ui/controllers/sessions.test.ts",
       "ui/src/ui/app-gateway.sessions.node.test.ts",
     ],