diff --git a/src/app/api/auth/register/route.ts b/src/app/api/auth/register/route.ts
index 0ef2a69..db8182e 100644
--- a/src/app/api/auth/register/route.ts
+++ b/src/app/api/auth/register/route.ts
@@ -122,10 +122,10 @@ export async function POST(request: NextRequest) {
       })
       .returning();
 
-    // 创建默认用户设置（API Key 为空，需要用户自行配置）
+    // 创建默认用户设置（API Key 和服务地址为空，需要用户自行配置）
     await db.insert(userSettings).values({
       userId,
-      cchUrl: process.env.CCH_DEFAULT_URL || 'https://claude.leocoder.cn/',
+      cchUrl: '', // 不设置默认值，让用户自己填写
       cchApiKey: null,
       cchApiKeyConfigured: false,
       defaultModel: 'claude-sonnet-4-5-20250929',
diff --git a/src/app/api/settings/route.ts b/src/app/api/settings/route.ts
index 0fc3cd8..5f3bb7e 100644
--- a/src/app/api/settings/route.ts
+++ b/src/app/api/settings/route.ts
@@ -7,7 +7,7 @@ import { encryptApiKey } from '@/lib/crypto';
 
 // 默认设置值
 const DEFAULT_SETTINGS = {
-  cchUrl: process.env.CCH_DEFAULT_URL || 'https://claude.leocoder.cn/',
+  cchUrl: '', // 不设置默认值，让用户自己填写
   cchApiKeyConfigured: false,
   metasoApiKeyConfigured: false,
   apiFormat: 'claude' as 'claude' | 'openai', // API 格式：claude（原生）| openai（兼容）
diff --git a/src/app/settings/page.tsx b/src/app/settings/page.tsx
index 99e372f..3e89887 100644
--- a/src/app/settings/page.tsx
+++ b/src/app/settings/page.tsx
@@ -362,7 +362,7 @@ export default function SettingsPage() {
                   className="settings-input w-80"
                   value={cchUrl}
                   onChange={(e) => setCchUrl(e.target.value)}
-                  placeholder="https://claude.leocoder.cn/"
+                  placeholder="请输入 CCH 服务地址，例如：https://api.example.com"
                 />
               </SettingsItem>