diff --git a/README.md b/README.md
index 4fa495c6..2fd90ca8 100644
--- a/README.md
+++ b/README.md
@@ -64,6 +64,11 @@ CLIProxyAPI Guides: [https://help.router-for.me/](https://help.router-for.me/)
 
 see [MANAGEMENT_API.md](https://help.router-for.me/management/api)
 
+## Management TUI
+
+A terminal-based interface for managing configuration, keys/auth files, and viewing real-time logs. Run with:
+`./CLIProxyAPI --tui`
+
 ## Amp CLI Support
 
 CLIProxyAPI includes integrated support for [Amp CLI](https://ampcode.com) and Amp IDE extensions, enabling you to use your Google/ChatGPT/Claude OAuth subscriptions with Amp's coding tools:
diff --git a/README_CN.md b/README_CN.md
index 5c91cbdc..b377c910 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -64,6 +64,11 @@ CLIProxyAPI 用户手册： [https://help.router-for.me/](https://help.router-fo
 
 请参见 [MANAGEMENT_API_CN.md](https://help.router-for.me/cn/management/api)
 
+## 管理 TUI
+
+一个用于管理配置、密钥/认证文件以及查看实时日志的终端界面。使用以下命令启动：
+`./CLIProxyAPI --tui`
+
 ## Amp CLI 支持
 
 CLIProxyAPI 已内置对 [Amp CLI](https://ampcode.com) 和 Amp IDE 扩展的支持，可让你使用自己的 Google/ChatGPT/Claude OAuth 订阅来配合 Amp 编码工具：
diff --git a/internal/tui/i18n.go b/internal/tui/i18n.go
index 1b54a9af..84da3851 100644
--- a/internal/tui/i18n.go
+++ b/internal/tui/i18n.go
@@ -3,7 +3,7 @@ package tui
 // i18n provides a simple internationalization system for the TUI.
 // Supported locales: "zh" (Chinese, default), "en" (English).
 
-var currentLocale = "zh"
+var currentLocale = "en"
 
 // SetLocale changes the active locale.
 func SetLocale(locale string) {
diff --git a/internal/tui/usage_tab.go b/internal/tui/usage_tab.go
index a40a760f..9e6da7f8 100644
--- a/internal/tui/usage_tab.go
+++ b/internal/tui/usage_tab.go
@@ -231,7 +231,7 @@ func (m usageTabModel) renderContent() string {
 				apiToks := int64(getFloat(apiMap, "total_tokens"))
 
 				row := fmt.Sprintf("  %-30s %10d %12s",
-					truncate(apiName, 30), apiReqs, formatLargeNumber(apiToks))
+					truncate(maskKey(apiName), 30), apiReqs, formatLargeNumber(apiToks))
 				sb.WriteString(lipgloss.NewStyle().Bold(true).Render(row))
 				sb.WriteString("\n")