From ab886c6f9fd501e3a01de3116ce1ef107774584c Mon Sep 17 00:00:00 2001
From: joohwan <joohwan.chen@ucloud.cn>
Date: Mon, 18 May 2026 16:05:49 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=E5=8C=BA=E5=9F=9F?=
 =?UTF-8?q?=E9=BB=98=E8=AE=A4=E5=80=BC=E7=9B=B8=E5=85=B3=E9=80=BB=E8=BE=91?=
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---
 src/api.ts             | 19 +++++++++----------
 src/commands/region.ts | 10 ++++++----
 src/user.ts            |  2 +-
 3 files changed, 16 insertions(+), 15 deletions(-)

diff --git a/src/api.ts b/src/api.ts
index 9ab7af7..2f42f62 100644
--- a/src/api.ts
+++ b/src/api.ts
@@ -3,7 +3,7 @@ import * as e2b from 'e2b'
 
 import { getUserConfig, UserConfig } from './user'
 import { asBold, asPrimary } from './utils/format'
-import { getRegionDomain, getRegionApiUrl } from './commands/region'
+import { getRegionDomain, getRegionApiUrl, DEFAULT_REGION } from './commands/region'
 
 export let apiKey = process.env.AGENTBOX_API_KEY
 export let accessToken = process.env.AGENTBOX_ACCESS_TOKEN
@@ -88,21 +88,20 @@ export function ensureAccessToken() {
 }
 
 const userConfig = getUserConfig()
+const region = userConfig?.region || DEFAULT_REGION
 
 // Inject region-based domain/apiUrl into env so SDK internal calls (Sandbox.list, etc.) also use them
-if (userConfig?.region) {
-  if (!process.env.UCLOUD_SANDBOX_DOMAIN) {
-    process.env.UCLOUD_SANDBOX_DOMAIN = getRegionDomain(userConfig.region)
-  }
-  if (!process.env.UCLOUD_SANDBOX_API_URL) {
-    process.env.UCLOUD_SANDBOX_API_URL = getRegionApiUrl(userConfig.region)
-  }
+if (!process.env.UCLOUD_SANDBOX_DOMAIN) {
+  process.env.UCLOUD_SANDBOX_DOMAIN = getRegionDomain(region)
+}
+if (!process.env.UCLOUD_SANDBOX_API_URL) {
+  process.env.UCLOUD_SANDBOX_API_URL = getRegionApiUrl(region)
 }
 
 export const connectionConfig = new e2b.ConnectionConfig({
   accessToken: process.env.AGENTBOX_ACCESS_TOKEN || userConfig?.accessToken,
   apiKey: process.env.AGENTBOX_API_KEY || userConfig?.teamApiKey,
-  domain: process.env.UCLOUD_SANDBOX_DOMAIN || getRegionDomain(userConfig?.region),
-  apiUrl: process.env.UCLOUD_SANDBOX_API_URL || getRegionApiUrl(userConfig?.region),
+  domain: process.env.UCLOUD_SANDBOX_DOMAIN || getRegionDomain(region),
+  apiUrl: process.env.UCLOUD_SANDBOX_API_URL || getRegionApiUrl(region),
 })
 export const client = new e2b.ApiClient(connectionConfig)
diff --git a/src/commands/region.ts b/src/commands/region.ts
index 22d1f72..d86c00f 100644
--- a/src/commands/region.ts
+++ b/src/commands/region.ts
@@ -5,6 +5,8 @@ import * as chalk from 'chalk'
 
 import { getUserConfig, USER_CONFIG_PATH } from 'src/user'
 
+export const DEFAULT_REGION = 'cn-wlcb'
+
 const REGIONS = [
   { id: 'cn-wlcb', name: 'cn-wlcb (China - North)' },
   { id: 'us-ca', name: 'us-ca (US - West)' },
@@ -13,13 +15,13 @@ const REGIONS = [
 type RegionId = (typeof REGIONS)[number]['id']
 
 export function getRegionDomain(region?: string): string {
-  if (!region) return 'sandbox.ucloudai.com'
-  return `${region}.sandbox.ucloudai.com`
+  const r = region || DEFAULT_REGION
+  return `${r}.sandbox.ucloudai.com`
 }
 
 export function getRegionApiUrl(region?: string): string {
-  if (!region) return 'https://api.sandbox.ucloudai.com'
-  return `https://api.${region}.sandbox.ucloudai.com`
+  const r = region || DEFAULT_REGION
+  return `https://api.${r}.sandbox.ucloudai.com`
 }
 
 function switchRegion(region: string) {
diff --git a/src/user.ts b/src/user.ts
index e09dcc0..b24bd93 100644
--- a/src/user.ts
+++ b/src/user.ts
@@ -21,7 +21,7 @@ export interface UserConfig {
 export const USER_CONFIG_PATH = path.join(os.homedir(), '.ucloud-sandbox-cli', 'config.json')
 export const DOCS_BASE =
   process.env.UCLOUD_SANDBOX_DOCS_BASE ||
-  `https://${process.env.UCLOUD_SANDBOX_DOMAIN || 'sandbox.ucloudai.com'}/docs`
+  `https://${process.env.UCLOUD_SANDBOX_DOMAIN || 'cn-wlcb.sandbox.ucloudai.com'}/docs`
 
 export function getUserConfig(): UserConfig | null {
   if (!fs.existsSync(USER_CONFIG_PATH)) return null