diff --git a/extensions/googlechat/src/setup-surface.ts b/extensions/googlechat/src/setup-surface.ts
index 0d54f53f537..6375844ca07 100644
--- a/extensions/googlechat/src/setup-surface.ts
+++ b/extensions/googlechat/src/setup-surface.ts
@@ -1,7 +1,7 @@
 import {
   addWildcardAllowFrom,
   applySetupAccountConfigPatch,
-  createNestedChannelParsedAllowFromPrompt,
+  createPromptParsedAllowFromForAccount,
   createStandardChannelSetupStatus,
   DEFAULT_ACCOUNT_ID,
   formatDocsLink,
@@ -25,16 +25,27 @@ const ENV_SERVICE_ACCOUNT_FILE = "GOOGLE_CHAT_SERVICE_ACCOUNT_FILE";
 const USE_ENV_FLAG = "__googlechatUseEnv";
 const AUTH_METHOD_FLAG = "__googlechatAuthMethod";
 
-const promptAllowFrom = createNestedChannelParsedAllowFromPrompt({
-  channel,
-  section: "dm",
-  defaultAccountId: DEFAULT_ACCOUNT_ID,
-  enabled: true,
+const promptAllowFrom = createPromptParsedAllowFromForAccount({
+  defaultAccountId: resolveDefaultGoogleChatAccountId,
   message: "Google Chat allowFrom (users/<id> or raw email; avoid users/<email>)",
   placeholder: "users/123456789, name@example.com",
   parseEntries: (raw) => ({
     entries: mergeAllowFromEntries(undefined, splitSetupEntries(raw)),
   }),
+  getExistingAllowFrom: ({ cfg, accountId }) =>
+    resolveGoogleChatAccount({ cfg, accountId }).config.dm?.allowFrom ?? [],
+  applyAllowFrom: ({ cfg, accountId, allowFrom }) =>
+    applySetupAccountConfigPatch({
+      cfg,
+      channelKey: channel,
+      accountId,
+      patch: {
+        dm: {
+          ...(resolveGoogleChatAccount({ cfg, accountId }).config.dm ?? {}),
+          allowFrom,
+        },
+      },
+    }),
 });
 
 const googlechatDmPolicy: ChannelSetupDmPolicy = {
diff --git a/extensions/googlechat/src/setup.test.ts b/extensions/googlechat/src/setup.test.ts
index bbd65123bef..5d0a4c18d8b 100644
--- a/extensions/googlechat/src/setup.test.ts
+++ b/extensions/googlechat/src/setup.test.ts
@@ -249,6 +249,41 @@ describe("googlechat setup", () => {
     expect(next?.channels?.googlechat?.accounts?.alerts?.dm?.policy).toBe("open");
   });
 
+  it("uses configured defaultAccount for omitted allowFrom prompt context", async () => {
+    const prompter = {
+      note: vi.fn(async () => {}),
+      text: vi.fn(async () => "users/123456789"),
+    };
+
+    const next = await googlechatPlugin.setupWizard?.dmPolicy?.promptAllowFrom?.({
+      cfg: {
+        channels: {
+          googlechat: {
+            defaultAccount: "alerts",
+            dm: {
+              allowFrom: ["users/root"],
+            },
+            accounts: {
+              alerts: {
+                serviceAccount: { client_email: "bot@example.com" },
+                dm: {
+                  allowFrom: ["users/alerts"],
+                },
+              },
+            },
+          },
+        },
+      } as OpenClawConfig,
+      // oxlint-disable-next-line typescript/no-explicit-any
+      prompter: prompter as any,
+    });
+
+    expect(next?.channels?.googlechat?.dm?.allowFrom).toEqual(["users/root"]);
+    expect(next?.channels?.googlechat?.accounts?.alerts?.dm?.allowFrom).toEqual([
+      "users/123456789",
+    ]);
+  });
+
   it('writes open DM policy to the named account and preserves inherited allowFrom with "*"', () => {
     const next = googlechatPlugin.setupWizard?.dmPolicy?.setPolicy(
       {
diff --git a/src/channels/plugins/setup-wizard-helpers.ts b/src/channels/plugins/setup-wizard-helpers.ts
index a8846f93972..35d085170dd 100644
--- a/src/channels/plugins/setup-wizard-helpers.ts
+++ b/src/channels/plugins/setup-wizard-helpers.ts
@@ -1344,7 +1344,7 @@ export function createTopLevelChannelParsedAllowFromPrompt(params: {
 export function createNestedChannelParsedAllowFromPrompt(params: {
   channel: string;
   section: string;
-  defaultAccountId: string;
+  defaultAccountId: string | ((cfg: OpenClawConfig) => string);
   enabled?: boolean;
   noteTitle?: string;
   noteLines?: string[];
@@ -1360,7 +1360,10 @@ export function createNestedChannelParsedAllowFromPrompt(params: {
     ...(params.enabled ? { enabled: true } : {}),
   });
   return createPromptParsedAllowFromForAccount({
-    defaultAccountId: params.defaultAccountId,
+    defaultAccountId:
+      typeof params.defaultAccountId === "function"
+        ? params.defaultAccountId
+        : () => params.defaultAccountId,
     ...(params.noteTitle ? { noteTitle: params.noteTitle } : {}),
     ...(params.noteLines ? { noteLines: params.noteLines } : {}),
     message: params.message,