diff --git a/src-tauri/src/app_config.rs b/src-tauri/src/app_config.rs
index db35f05..c46f910 100644
--- a/src-tauri/src/app_config.rs
+++ b/src-tauri/src/app_config.rs
@@ -10,7 +10,7 @@ pub struct McpConfig {
 }
 
 /// MCP 根：按客户端分开维护（无历史兼容压力，直接以 v2 结构落地）
-#[derive(Debug, Clone, Serialize, Deserialize)]
+#[derive(Debug, Clone, Serialize, Deserialize, Default)]
 pub struct McpRoot {
     #[serde(default)]
     pub claude: McpConfig,
@@ -18,15 +18,6 @@ pub struct McpRoot {
     pub codex: McpConfig,
 }
 
-impl Default for McpRoot {
-    fn default() -> Self {
-        Self {
-            claude: McpConfig::default(),
-            codex: McpConfig::default(),
-        }
-    }
-}
-
 use crate::config::{copy_file, get_app_config_dir, get_app_config_path, write_json_file};
 use crate::provider::ProviderManager;
 
diff --git a/src-tauri/src/codex_config.rs b/src-tauri/src/codex_config.rs
index 42afb93..24c3004 100644
--- a/src-tauri/src/codex_config.rs
+++ b/src-tauri/src/codex_config.rs
@@ -33,7 +33,7 @@ pub fn get_codex_provider_paths(
     provider_name: Option<&str>,
 ) -> (PathBuf, PathBuf) {
     let base_name = provider_name
-        .map(|name| sanitize_provider_name(name))
+        .map(sanitize_provider_name)
         .unwrap_or_else(|| sanitize_provider_name(provider_id));
 
     let auth_path = get_codex_config_dir().join(format!("auth-{}.json", base_name));
diff --git a/src-tauri/src/config.rs b/src-tauri/src/config.rs
index 3d7bc69..e30854d 100644
--- a/src-tauri/src/config.rs
+++ b/src-tauri/src/config.rs
@@ -106,7 +106,7 @@ pub fn sanitize_provider_name(name: &str) -> String {
 /// 获取供应商配置文件路径
 pub fn get_provider_config_path(provider_id: &str, provider_name: Option<&str>) -> PathBuf {
     let base_name = provider_name
-        .map(|name| sanitize_provider_name(name))
+        .map(sanitize_provider_name)
         .unwrap_or_else(|| sanitize_provider_name(provider_id));
 
     get_claude_config_dir().join(format!("settings-{}.json", base_name))
diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index 772fa7c..0fba7c5 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -219,7 +219,7 @@ async fn switch_provider_internal(
         let provider_id_clone = provider_id.clone();
 
         crate::commands::switch_provider(
-            app_state.clone().into(),
+            app_state.clone(),
             Some(app_type),
             None,
             None,
@@ -281,8 +281,8 @@ pub fn run() {
 
     let builder = builder
         // 拦截窗口关闭：根据设置决定是否最小化到托盘
-        .on_window_event(|window, event| match event {
-            tauri::WindowEvent::CloseRequested { api, .. } => {
+        .on_window_event(|window, event| {
+            if let tauri::WindowEvent::CloseRequested { api, .. } = event {
                 let settings = crate::settings::get_settings();
 
                 if settings.minimize_to_tray_on_close {
@@ -294,13 +294,12 @@ pub fn run() {
                     }
                     #[cfg(target_os = "macos")]
                     {
-                        apply_tray_policy(&window.app_handle(), false);
+                        apply_tray_policy(window.app_handle(), false);
                     }
                 } else {
                     window.app_handle().exit(0);
                 }
             }
-            _ => {}
         })
         .plugin(tauri_plugin_process::init())
         .plugin(tauri_plugin_dialog::init())
@@ -362,7 +361,7 @@ pub fn run() {
             // 首次启动迁移：扫描副本文件，合并到 config.json，并归档副本；旧 config.json 先归档
             {
                 let mut config_guard = app_state.config.lock().unwrap();
-                let migrated = migration::migrate_copies_into_config(&mut *config_guard)?;
+                let migrated = migration::migrate_copies_into_config(&mut config_guard)?;
                 if migrated {
                     log::info!("已将副本文件导入到 config.json，并完成归档");
                 }
@@ -375,7 +374,7 @@ pub fn run() {
             let _ = app_state.save();
 
             // 创建动态托盘菜单
-            let menu = create_tray_menu(&app.handle(), &app_state)?;
+            let menu = create_tray_menu(app.handle(), &app_state)?;
 
             // 构建托盘
             let mut tray_builder = TrayIconBuilder::with_id("main")
@@ -460,20 +459,17 @@ pub fn run() {
     app.run(|app_handle, event| {
         #[cfg(target_os = "macos")]
         // macOS 在 Dock 图标被点击并重新激活应用时会触发 Reopen 事件，这里手动恢复主窗口
-        match event {
-            RunEvent::Reopen { .. } => {
-                if let Some(window) = app_handle.get_webview_window("main") {
-                    #[cfg(target_os = "windows")]
-                    {
-                        let _ = window.set_skip_taskbar(false);
-                    }
-                    let _ = window.unminimize();
-                    let _ = window.show();
-                    let _ = window.set_focus();
-                    apply_tray_policy(app_handle, true);
+        if let RunEvent::Reopen { .. } = event {
+            if let Some(window) = app_handle.get_webview_window("main") {
+                #[cfg(target_os = "windows")]
+                {
+                    let _ = window.set_skip_taskbar(false);
                 }
+                let _ = window.unminimize();
+                let _ = window.show();
+                let _ = window.set_focus();
+                apply_tray_policy(app_handle, true);
             }
-            _ => {}
         }
 
         #[cfg(not(target_os = "macos"))]
diff --git a/src-tauri/src/migration.rs b/src-tauri/src/migration.rs
index 0768af7..ff40780 100644
--- a/src-tauri/src/migration.rs
+++ b/src-tauri/src/migration.rs
@@ -363,19 +363,13 @@ pub fn migrate_copies_into_config(config: &mut MultiAppConfig) -> Result<bool, S
     }
     for (_, ap, cp, _) in codex_items.into_iter() {
         if let Some(ap) = ap {
-            match archive_file(ts, "codex", &ap) {
-                Ok(Some(_)) => {
-                    let _ = delete_file(&ap);
-                }
-                _ => {}
+            if let Ok(Some(_)) = archive_file(ts, "codex", &ap) {
+                let _ = delete_file(&ap);
             }
         }
         if let Some(cp) = cp {
-            match archive_file(ts, "codex", &cp) {
-                Ok(Some(_)) => {
-                    let _ = delete_file(&cp);
-                }
-                _ => {}
+            if let Ok(Some(_)) = archive_file(ts, "codex", &cp) {
+                let _ = delete_file(&cp);
             }
         }
     }
diff --git a/src-tauri/src/provider.rs b/src-tauri/src/provider.rs
index 6bb9acd..ee83425 100644
--- a/src-tauri/src/provider.rs
+++ b/src-tauri/src/provider.rs
@@ -45,21 +45,12 @@ impl Provider {
 }
 
 /// 供应商管理器
-#[derive(Debug, Clone, Serialize, Deserialize)]
+#[derive(Debug, Clone, Serialize, Deserialize, Default)]
 pub struct ProviderManager {
     pub providers: HashMap<String, Provider>,
     pub current: String,
 }
 
-impl Default for ProviderManager {
-    fn default() -> Self {
-        Self {
-            providers: HashMap::new(),
-            current: String::new(),
-        }
-    }
-}
-
 /// 供应商元数据
 #[derive(Debug, Clone, Serialize, Deserialize, Default)]
 pub struct ProviderMeta {
diff --git a/src/components/mcp/McpFormModal.tsx b/src/components/mcp/McpFormModal.tsx
index 18ffa91..4d27cd6 100644
--- a/src/components/mcp/McpFormModal.tsx
+++ b/src/components/mcp/McpFormModal.tsx
@@ -2,7 +2,10 @@ import React, { useState } from "react";
 import { useTranslation } from "react-i18next";
 import { X, Save, AlertCircle, ChevronDown, ChevronUp } from "lucide-react";
 import { McpServer, McpServerSpec } from "../../types";
-import { mcpPresets, getMcpPresetWithDescription } from "../../config/mcpPresets";
+import {
+  mcpPresets,
+  getMcpPresetWithDescription,
+} from "../../config/mcpPresets";
 import { buttonStyles, inputStyles } from "../../lib/styles";
 import McpWizardModal from "./McpWizardModal";
 import {
diff --git a/src/components/mcp/McpPanel.tsx b/src/components/mcp/McpPanel.tsx
index c534bd1..4f0dfde 100644
--- a/src/components/mcp/McpPanel.tsx
+++ b/src/components/mcp/McpPanel.tsx
@@ -210,7 +210,8 @@ const McpPanel: React.FC<McpPanelProps> = ({ onClose, onNotify, appType }) => {
         {/* Info Section */}
         <div className="flex-shrink-0 px-6 pt-4 pb-2">
           <div className="text-sm text-gray-500 dark:text-gray-400">
-            {t("mcp.serverCount", { count: Object.keys(servers).length })} · {t("mcp.enabledCount", { count: enabledCount })}
+            {t("mcp.serverCount", { count: Object.keys(servers).length })} ·{" "}
+            {t("mcp.enabledCount", { count: enabledCount })}
           </div>
         </div>
 
diff --git a/src/i18n/locales/zh.json b/src/i18n/locales/zh.json
index d04ec1e..f74b043 100644
--- a/src/i18n/locales/zh.json
+++ b/src/i18n/locales/zh.json
@@ -375,7 +375,7 @@
         "name": "@modelcontextprotocol/server-memory",
         "description": "知识图谱记忆系统，支持存储实体、关系和观察，让 AI 记住对话中的重要信息"
       },
-      "sequentialThinking": {
+      "sequential-thinking": {
         "name": "@modelcontextprotocol/server-sequential-thinking",
         "description": "顺序思考工具，帮助 AI 将复杂问题分解为多个步骤，逐步深入思考"
       },