diff --git a/packages/ui/src/i18n/locales/en-US.ts b/packages/ui/src/i18n/locales/en-US.ts
index c5d3ae30..0c2b2733 100644
--- a/packages/ui/src/i18n/locales/en-US.ts
+++ b/packages/ui/src/i18n/locales/en-US.ts
@@ -161,7 +161,7 @@ export default {
     // Placeholders
     modelKeyPlaceholder: 'Enter model key',
     displayNamePlaceholder: 'Enter display name',
-    apiUrlPlaceholder: 'Enter API URL',
+    apiUrlPlaceholder: 'https://api.example.com/v1',
     defaultModelPlaceholder: 'Type or select a model name',
     apiKeyPlaceholder: 'Enter API key',
 
diff --git a/packages/ui/src/i18n/locales/zh-CN.ts b/packages/ui/src/i18n/locales/zh-CN.ts
index f9a2690d..7409966b 100644
--- a/packages/ui/src/i18n/locales/zh-CN.ts
+++ b/packages/ui/src/i18n/locales/zh-CN.ts
@@ -161,7 +161,7 @@ export default {
     // 占位符
     modelKeyPlaceholder: '请输入模型标识',
     displayNamePlaceholder: '请输入显示名称',
-    apiUrlPlaceholder: '请输入API地址',
+    apiUrlPlaceholder: 'https://api.example.com/v1',
     defaultModelPlaceholder: '输入或选择模型名称',
     apiKeyPlaceholder: '请输入API密钥',