diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d8dfe9f..b2304f3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -228,10 +228,10 @@ jobs:
             exit 1
           fi
           echo "使用 apksigner: $APKSIGNER"
-          
+
           # 创建临时密钥库文件
           echo "$ANDROID_SIGNING_KEY" | base64 -d > /tmp/android_keystore.jks
-          
+
           # 找到所有未签名的 APK 文件
           find src-tauri/gen/android/app/build/outputs -name "*-unsigned.apk" -type f | while read -r apk; do
             # 生成签名后的文件名
@@ -255,7 +255,7 @@ jobs:
             rm "$apk"
             mv "$signed_apk" "${apk/-unsigned/}"
           done
-          
+
           # 清理密钥库
           rm -f /tmp/android_keystore.jks
 
diff --git a/.lingma/rules/rules.md b/.lingma/rules/rules.md
index 202659c..215b511 100644
--- a/.lingma/rules/rules.md
+++ b/.lingma/rules/rules.md
@@ -2,7 +2,4 @@
 trigger: always_on
 ---
 
-1.每次完成任务之前必须跑一遍测试（比如说npm系的typecheck/lint）
-2.每次完成任务之前必须跑一遍格式化（比如说npm系的prettier）
-3.任务完成时详细输出你所做的事情和需要用户确认的问题（如有）
-4.每次规划任务必须按照步骤来，每个步骤结束后遵循第三条规定。
\ No newline at end of file
+1.每次完成任务之前必须跑一遍测试（比如说npm系的typecheck/lint）2.每次完成任务之前必须跑一遍格式化（比如说npm系的prettier）3.任务完成时详细输出你所做的事情和需要用户确认的问题（如有）4.每次规划任务必须按照步骤来，每个步骤结束后遵循第三条规定。
diff --git a/MCP-使用说明.md b/MCP-使用说明.md
index 5e4bfb9..ddff1e0 100644
--- a/MCP-使用说明.md
+++ b/MCP-使用说明.md
@@ -25,19 +25,19 @@
 你可以在前端通过 Tauri `invoke` 调用：
 
 ```ts
-import { invoke } from '@tauri-apps/api/core';
+import { invoke } from "@tauri-apps/api/core"
 
-await invoke('mcp_server_start', {
+await invoke("mcp_server_start", {
   config: {
-    host: '127.0.0.1',
+    host: "127.0.0.1",
     port: 3901,
   },
-});
+})
 
-const status = await invoke('mcp_server_status');
-console.log(status);
+const status = await invoke("mcp_server_status")
+console.log(status)
 
-await invoke('mcp_server_stop');
+await invoke("mcp_server_stop")
 ```
 
 说明：
diff --git a/src-tauri/src/commands/database.rs b/src-tauri/src/commands/database.rs
index 7933ff1..c6f3ce1 100644
--- a/src-tauri/src/commands/database.rs
+++ b/src-tauri/src/commands/database.rs
@@ -1061,7 +1061,6 @@ pub async fn db_switch_connection(
         Some("database"),
         None,
     );
-    drop(state_guard);
 
     let (db_type, saved_connection_string, saved_status, conn) = if connection_string
         .starts_with("postgres://")
@@ -1170,6 +1169,7 @@ pub async fn db_switch_connection(
             conn,
         )
     };
+    drop(state_guard);
 
     {
         let settings_db_path = sqlite_db_path(&app_handle)?;
diff --git a/src/components/OOBE/OOBE.tsx b/src/components/OOBE/OOBE.tsx
index 5fe5d9f..c6aeea4 100644
--- a/src/components/OOBE/OOBE.tsx
+++ b/src/components/OOBE/OOBE.tsx
@@ -7,7 +7,7 @@ import { useTheme } from "../../contexts/ThemeContext"
 import { changeLanguage, AppLanguage, languageOptions } from "../../i18n"
 import type { themeConfig } from "../../preload/types"
 import logoSvg from "../../assets/logoHD.svg"
-import { useResponsive, useScreenSize } from "../../hooks/useResponsive"
+import { useResponsive } from "../../hooks/useResponsive"
 
 interface oobeProps {
   visible: boolean
@@ -102,7 +102,6 @@ export const OOBE: React.FC<oobeProps> = ({ visible, onComplete }) => {
   const { currentTheme, setTheme, themes, applyTheme } = useTheme()
   const [messageApi, contextHolder] = message.useMessage()
   const breakpoint = useResponsive()
-  const { width: screenWidth, height: screenHeight } = useScreenSize()
   const isMobile = breakpoint === "xs" || breakpoint === "sm"
 
   const [currentStep, setCurrentStep] = useState<oobeStep>("entry")
diff --git a/src/components/Settings.tsx b/src/components/Settings.tsx
index afdfdee..bf3264a 100644
--- a/src/components/Settings.tsx
+++ b/src/components/Settings.tsx
@@ -1163,7 +1163,9 @@ export const Settings: React.FC<{ permission: permissionLevel }> = ({ permission
           <div style={{ fontSize: "16px", fontWeight: 600, marginBottom: "8px" }}>
             {t("settings.mcp.title")}
           </div>
-          <div style={{ color: "var(--ss-text-secondary)", marginBottom: "12px", fontSize: "12px" }}>
+          <div
+            style={{ color: "var(--ss-text-secondary)", marginBottom: "12px", fontSize: "12px" }}
+          >
             {t("settings.mcp.description")}
           </div>
           <Space style={{ marginBottom: "12px" }}>
diff --git a/src/components/Sidebar.tsx b/src/components/Sidebar.tsx
index 70f7059..ade63ae 100644
--- a/src/components/Sidebar.tsx
+++ b/src/components/Sidebar.tsx
@@ -14,7 +14,6 @@ import {
 } from "@ant-design/icons"
 import { useState, useEffect } from "react"
 import { useTranslation } from "react-i18next"
-import { useResponsive } from "../hooks/useResponsive"
 import appLogo from "../assets/logoHD.svg"
 
 const { Sider } = Layout
@@ -45,8 +44,6 @@ export function Sidebar({
   onFloatingExpandedChange,
 }: SidebarProps): React.JSX.Element {
   const { t } = useTranslation()
-  const breakpoint = useResponsive()
-  const isMobile = breakpoint === "xs" || breakpoint === "sm"
   const [dbStatus, setDbStatus] = useState<DbStatus>({ type: "sqlite", connected: true })
   const [syncLoading, setSyncLoading] = useState(false)
   const [messageApi, contextHolder] = message.useMessage()
diff --git a/src/components/autoScore/ruleBuilderUtils.ts b/src/components/autoScore/ruleBuilderUtils.ts
index 50620b5..4b9c01d 100644
--- a/src/components/autoScore/ruleBuilderUtils.ts
+++ b/src/components/autoScore/ruleBuilderUtils.ts
@@ -62,7 +62,7 @@ export const defaultQuery: RuleGroupType = {
   rules: [{ field: "interval_time_passed", operator: "=", value: "1440" }],
 }
 
-export function queryToAutoScoreRule(_query: RuleGroupType): AutoScoreRuleData {
+export function queryToAutoScoreRule(): AutoScoreRuleData {
   const triggers: AutoScoreTrigger[] = []
 
   /*   const processRuleGroup = (group: RuleGroupType, relation: 'AND' | 'OR' = 'AND') => {
diff --git a/src/components/autoScore/ruleComponent.tsx b/src/components/autoScore/ruleComponent.tsx
index d4b2d6b..b9da023 100644
--- a/src/components/autoScore/ruleComponent.tsx
+++ b/src/components/autoScore/ruleComponent.tsx
@@ -37,7 +37,7 @@ export const RuleComponent: React.FC<RuleComponentProps> = ({ initialData, onCha
   const handleQueryChange = (newQuery: RuleGroupType) => {
     setQuery(newQuery)
     if (onChange) {
-      const ruleData = queryToAutoScoreRule(newQuery)
+      const ruleData = queryToAutoScoreRule()
       onChange(ruleData)
     }
   }
diff --git a/src/preload/types.ts b/src/preload/types.ts
index 21278dc..29520f8 100644
--- a/src/preload/types.ts
+++ b/src/preload/types.ts
@@ -309,8 +309,10 @@ const api = {
   mcpServerStart: (config?: {
     port?: number
     host?: string
-  }): Promise<{ success: boolean; data?: { url: string; config: { port: number; host: string } } }> =>
-    invoke("mcp_server_start", { config }),
+  }): Promise<{
+    success: boolean
+    data?: { url: string; config: { port: number; host: string } }
+  }> => invoke("mcp_server_start", { config }),
   mcpServerStop: (): Promise<{ success: boolean }> => invoke("mcp_server_stop"),
   mcpServerStatus: (): Promise<{
     success: boolean
diff --git a/src/shared/kernel.ts b/src/shared/kernel.ts
index 0e31ad5..ef229e3 100644
--- a/src/shared/kernel.ts
+++ b/src/shared/kernel.ts
@@ -20,9 +20,8 @@ export class EventEmitter {
   }
 
   once(event: string | symbol, listener: eventListener): this {
-    const self = this
-    const onceListener: eventListener = function (...args) {
-      self.off(event, onceListener)
+    const onceListener: eventListener = (...args) => {
+      this.off(event, onceListener)
       listener(...args)
     }
     return this.on(event, onceListener)
@@ -72,9 +71,8 @@ export class Context extends EventEmitter {
   }
 
   once(event: string | symbol, listener: eventListener): this {
-    const self = this
-    const onceListener: eventListener = function (...args) {
-      self.off(event, onceListener)
+    const onceListener: eventListener = (...args) => {
+      this.off(event, onceListener)
       listener(...args)
     }
     super.on(event, onceListener)