diff --git a/src/cli/update-cli.test.ts b/src/cli/update-cli.test.ts
index a5d9cfc4a2..a34d059d01 100644
--- a/src/cli/update-cli.test.ts
+++ b/src/cli/update-cli.test.ts
@@ -15,6 +15,7 @@ const resolveGlobalManager = vi.fn();
 const serviceLoaded = vi.fn();
 const prepareRestartScript = vi.fn();
 const runRestartScript = vi.fn();
+const mockedRunDaemonInstall = vi.fn();
 
 vi.mock("@clack/prompts", () => ({
   confirm,
@@ -93,6 +94,7 @@ vi.mock("../commands/doctor.js", () => ({
 }));
 // Mock the daemon-cli module
 vi.mock("./daemon-cli.js", () => ({
+  runDaemonInstall: mockedRunDaemonInstall,
   runDaemonRestart: vi.fn(),
 }));
 
@@ -111,7 +113,7 @@ const { readConfigFileSnapshot, writeConfigFile } = await import("../config/conf
 const { checkUpdateStatus, fetchNpmTagVersion, resolveNpmChannelTag } =
   await import("../infra/update-check.js");
 const { runCommandWithTimeout } = await import("../process/exec.js");
-const { runDaemonRestart } = await import("./daemon-cli.js");
+const { runDaemonRestart, runDaemonInstall } = await import("./daemon-cli.js");
 const { doctorCommand } = await import("../commands/doctor.js");
 const { defaultRuntime } = await import("../runtime.js");
 const { updateCommand, registerUpdateCli, updateStatusCommand, updateWizardCommand } =
@@ -219,6 +221,7 @@ describe("update-cli", () => {
     vi.mocked(resolveNpmChannelTag).mockReset();
     vi.mocked(runCommandWithTimeout).mockReset();
     vi.mocked(runDaemonRestart).mockReset();
+    vi.mocked(mockedRunDaemonInstall).mockReset();
     vi.mocked(doctorCommand).mockReset();
     vi.mocked(defaultRuntime.log).mockReset();
     vi.mocked(defaultRuntime.error).mockReset();
@@ -278,6 +281,7 @@ describe("update-cli", () => {
     serviceLoaded.mockResolvedValue(false);
     prepareRestartScript.mockResolvedValue("/tmp/openclaw-restart-test.sh");
     runRestartScript.mockResolvedValue(undefined);
+    runDaemonInstall.mockResolvedValue(undefined);
     setTty(false);
     setStdoutTty(false);
   });
@@ -460,6 +464,61 @@ describe("update-cli", () => {
     expect(runDaemonRestart).toHaveBeenCalled();
   });
 
+  it("updateCommand refreshes gateway service env when service is already installed", async () => {
+    const mockResult: UpdateRunResult = {
+      status: "ok",
+      mode: "git",
+      steps: [],
+      durationMs: 100,
+    };
+
+    vi.mocked(runGatewayUpdate).mockResolvedValue(mockResult);
+    vi.mocked(runDaemonInstall).mockResolvedValue(undefined);
+    serviceLoaded.mockResolvedValue(true);
+
+    await updateCommand({});
+
+    expect(runDaemonInstall).toHaveBeenCalledWith({
+      force: true,
+      json: undefined,
+    });
+    expect(runDaemonRestart).not.toHaveBeenCalled();
+  });
+
+  it("updateCommand falls back to restart when env refresh install fails", async () => {
+    const mockResult: UpdateRunResult = {
+      status: "ok",
+      mode: "git",
+      steps: [],
+      durationMs: 100,
+    };
+
+    vi.mocked(runGatewayUpdate).mockResolvedValue(mockResult);
+    vi.mocked(runDaemonInstall).mockRejectedValueOnce(new Error("refresh failed"));
+    prepareRestartScript.mockResolvedValue(null);
+    serviceLoaded.mockResolvedValue(true);
+    vi.mocked(runDaemonRestart).mockResolvedValue(true);
+
+    await updateCommand({});
+
+    expect(runDaemonInstall).toHaveBeenCalledWith({
+      force: true,
+      json: undefined,
+    });
+    expect(runDaemonRestart).toHaveBeenCalled();
+  });
+
+  it("updateCommand does not refresh service env when --no-restart is set", async () => {
+    vi.mocked(runGatewayUpdate).mockResolvedValue(makeOkUpdateResult());
+    serviceLoaded.mockResolvedValue(true);
+
+    await updateCommand({ restart: false });
+
+    expect(runDaemonInstall).not.toHaveBeenCalled();
+    expect(runRestartScript).not.toHaveBeenCalled();
+    expect(runDaemonRestart).not.toHaveBeenCalled();
+  });
+
   it("updateCommand continues after doctor sub-step and clears update flag", async () => {
     const envSnapshot = captureEnv(["OPENCLAW_UPDATE_IN_PROGRESS"]);
     const randomSpy = vi.spyOn(Math, "random").mockReturnValue(0);
diff --git a/src/cli/update-cli/update-command.ts b/src/cli/update-cli/update-command.ts
index 872a06def1..c47893dd07 100644
--- a/src/cli/update-cli/update-command.ts
+++ b/src/cli/update-cli/update-command.ts
@@ -33,7 +33,7 @@ import { pathExists } from "../../utils.js";
 import { replaceCliName, resolveCliName } from "../cli-name.js";
 import { formatCliCommand } from "../command-format.js";
 import { installCompletion } from "../completion-cli.js";
-import { runDaemonRestart } from "../daemon-cli.js";
+import { runDaemonInstall, runDaemonRestart } from "../daemon-cli.js";
 import { createUpdateProgress, printResult } from "./progress.js";
 import { prepareRestartScript, runRestartScript } from "./restart-helper.js";
 import {
@@ -391,6 +391,7 @@ async function maybeRestartService(params: {
   shouldRestart: boolean;
   result: UpdateRunResult;
   opts: UpdateCommandOptions;
+  refreshServiceEnv: boolean;
   restartScriptPath?: string | null;
 }): Promise<void> {
   if (params.shouldRestart) {
@@ -402,11 +403,29 @@ async function maybeRestartService(params: {
     try {
       let restarted = false;
       let restartInitiated = false;
-      if (params.restartScriptPath) {
+      let serviceRefreshed = false;
+      if (params.refreshServiceEnv) {
+        try {
+          await runDaemonInstall({ force: true, json: params.opts.json });
+          serviceRefreshed = true;
+          restarted = true;
+        } catch (err) {
+          if (!params.opts.json) {
+            defaultRuntime.log(
+              theme.warn(
+                `Failed to refresh gateway service environment from updated install: ${String(err)}`,
+              ),
+            );
+          }
+        }
+      }
+      if (!serviceRefreshed && params.restartScriptPath) {
         await runRestartScript(params.restartScriptPath);
         restartInitiated = true;
       } else {
-        restarted = await runDaemonRestart();
+        if (!serviceRefreshed) {
+          restarted = await runDaemonRestart();
+        }
       }
 
       if (!params.opts.json && restarted) {
@@ -586,11 +605,13 @@ export async function updateCommand(opts: UpdateCommandOptions): Promise<void> {
   const startedAt = Date.now();
 
   let restartScriptPath: string | null = null;
+  let refreshGatewayServiceEnv = false;
   if (shouldRestart) {
     try {
       const loaded = await resolveGatewayService().isLoaded({ env: process.env });
       if (loaded) {
         restartScriptPath = await prepareRestartScript(process.env);
+        refreshGatewayServiceEnv = true;
       }
     } catch {
       // Ignore errors during pre-check; fallback to standard restart
@@ -669,6 +690,7 @@ export async function updateCommand(opts: UpdateCommandOptions): Promise<void> {
     shouldRestart,
     result,
     opts,
+    refreshServiceEnv: refreshGatewayServiceEnv,
     restartScriptPath,
   });