diff --git a/AGENTS.md b/AGENTS.md
index c2c34d1..8f5d869 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -31,6 +31,8 @@ npm run test:coverage  # 测试覆盖率
 
 **重要**: 修改 `src/main/` 目录下的文件后，必须运行 `npm test` 确保测试通过。
 
+**注意**: 仅修改 `src/renderer/`（前端/UI）或 `src/preload/` 文件时，不需要运行测试，只需确保类型检查通过（`npx tsc --noEmit`）即可。
+
 ## 2. 项目架构
 
 ```
diff --git a/src/renderer/src/App.tsx b/src/renderer/src/App.tsx
index 3291699..3cffa59 100644
--- a/src/renderer/src/App.tsx
+++ b/src/renderer/src/App.tsx
@@ -8,20 +8,20 @@ import { useTranslation } from "react-i18next";
 import {
   Layout,
   Typography,
-  theme,
   ConfigProvider,
   App as AntApp,
   Space,
 } from "antd";
-import { Button, Tooltip, DropdownMenu } from "@lobehub/ui";
-import { SettingOutlined } from "@ant-design/icons";
+
+import { Button, Tooltip, Modal } from "@lobehub/ui";
+
 import {
-  Github,
   Cloud,
   CloudUpload,
   History,
   PanelLeftClose,
   PanelLeftOpen,
+  Settings as SettingsIcon,
 } from "lucide-react";
 
 import { createStyles } from "antd-style";
@@ -37,7 +37,7 @@ const { Header, Content, Sider } = Layout;
 const { Title } = Typography;
 
 // Domain section heights
-const DOMAIN_SECTION_COLLAPSED = 76;  // 增加高度，避免按钮覆盖文字
+const DOMAIN_SECTION_COLLAPSED = 76; // 增加高度，避免按钮覆盖文字
 const DOMAIN_SECTION_EXPANDED = 240;
 const DEFAULT_SIDER_WIDTH = 320;
 const MIN_SIDER_WIDTH = 280;
@@ -150,9 +150,6 @@ const useStyles = createStyles(({ token, css }) => ({
 const App: React.FC = () => {
   const { t } = useTranslation("common");
   const { styles } = useStyles();
-  const {
-    token: { colorBgContainer },
-  } = theme.useToken();
 
   const { currentDomain } = useDomainStore();
   const {
@@ -221,13 +218,10 @@ const App: React.FC = () => {
                   <div
                     style={{ display: "flex", alignItems: "center", gap: 8 }}
                   >
-                    <Cloud
-                      size={24}
-                      style={{ color: "#1890ff" }}
-                    />
+                    <Cloud size={24} style={{ color: "#1890ff" }} />
                     <span className={styles.logoText}>Kintone Manager</span>
                   </div>
-                <Tooltip title={t("collapseSidebar")} mouseEnterDelay={0.5}>
+                  <Tooltip title={t("collapseSidebar")} mouseEnterDelay={0.5}>
                     <Button
                       type="text"
                       icon={<PanelLeftClose size={16} />}
@@ -274,7 +268,7 @@ const App: React.FC = () => {
             <Header className={styles.header}>
               <div className={styles.headerLeft}>
                 {siderCollapsed && (
-                <Tooltip title={t("expandSidebar")} mouseEnterDelay={0.5}>
+                  <Tooltip title={t("expandSidebar")} mouseEnterDelay={0.5}>
                     <Button
                       type="text"
                       icon={<PanelLeftOpen size={16} />}
@@ -296,29 +290,18 @@ const App: React.FC = () => {
                   onClick={() => setDeployDialogOpen(true)}
                   disabled={!currentDomain}
                 >
-                {t("deployFiles")}
+                  {t("deployFiles")}
                 </Button>
                 <Button icon={<History size={16} />} disabled={!currentDomain}>
-                {t("versionHistory")}
+                  {t("versionHistory")}
                 </Button>
-                <DropdownMenu
-                  trigger={<Button icon={<SettingOutlined />} />}
-                  items={[
-                    {
-                      key: "settings",
-                      icon: <SettingOutlined />,
-                      label: t("settings"),
-                      onClick: () => setSettingsOpen(true),
-                    },
-                    { type: "divider" },
-                    {
-                      key: "github",
-                      icon: <Github size={16} />,
-                      label: "GitHub",
-                      onClick: () => window.open("https://github.com", "_blank"),
-                    },
-                  ]}
-                />
+                <Tooltip title={t("settings")}>
+                  <Button
+                    icon={<SettingsIcon size={16} />}
+                    onClick={() => setSettingsOpen(true)}
+                  />
+                </Tooltip>
+
               </Space>
             </Header>
 
@@ -337,12 +320,17 @@ const App: React.FC = () => {
             onClose={() => setDeployDialogOpen(false)}
           />
 
-          {/* Settings Panel */}
-          {settingsOpen && (
-            <div style={{ position: "fixed", top: 0, right: 0, bottom: 0, width: 400, background: colorBgContainer, boxShadow: "-2px 0 8px rgba(0,0,0,0.15)", zIndex: 1000, overflow: "auto" }}>
-              <Settings onClose={() => setSettingsOpen(false)} />
-            </div>
-          )}
+          {/* Settings Modal */}
+          <Modal
+            title={t("settings")}
+            open={settingsOpen}
+            onCancel={() => setSettingsOpen(false)}
+            footer={null}
+            width={480}
+          >
+            <Settings />
+          </Modal>
+
         </Layout>
       </AntApp>
     </ConfigProvider>
diff --git a/src/renderer/src/components/AppList/AppList.tsx b/src/renderer/src/components/AppList/AppList.tsx
index ee14cb1..17942aa 100644
--- a/src/renderer/src/components/AppList/AppList.tsx
+++ b/src/renderer/src/components/AppList/AppList.tsx
@@ -4,13 +4,9 @@
  */
 
 import React from "react";
+import { motion } from "motion/react";
 import { useTranslation } from "react-i18next";
-import {
-  Input,
-  Spin,
-  Typography,
-  Space,
-} from "antd";
+import { Input, Spin, Typography, Space } from "antd";
 import { Button, Tooltip, Empty, Select } from "@lobehub/ui";
 import {
   RefreshCw,
@@ -65,11 +61,11 @@ const useStyles = createStyles(({ token, css }) => ({
     align-items: center;
     height: 300px;
   `,
-  listItem: css`
+  listItemMotion: css`
     cursor: pointer;
-    transition: background 0.2s;
     padding: ${token.paddingSM}px ${token.paddingMD}px !important;
     border-bottom: 1px solid ${token.colorBorderSecondary} !important;
+    position: relative;
 
     &:hover {
       background: ${token.colorBgTextHover};
@@ -81,13 +77,10 @@ const useStyles = createStyles(({ token, css }) => ({
   `,
   listItemPinned: css`
     background: ${token.colorWarningBg} !important;
-  `,
-  appInfo: css`
-    display: flex;
-    align-items: center;
-    gap: ${token.paddingSM}px;
-    flex: 1;
-    min-width: 0;
+
+    &:hover {
+      background: ${token.colorWarningBgHover} !important;
+    }
   `,
   appName: css`
     font-weight: 500;
@@ -114,20 +107,124 @@ const useStyles = createStyles(({ token, css }) => ({
     color: ${token.colorTextSecondary};
     font-size: 12px;
   `,
-  pinIcon: css`
+  appInfoWrapper: css`
+    display: flex;
+    align-items: center;
+    gap: ${token.paddingSM}px;
+    flex: 1;
+    min-width: 0;
+    position: relative;
+  `,
+  iconWrapper: css`
+    position: relative;
+    width: 20px;
+    height: 20px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    flex-shrink: 0;
+  `,
+  pinOverlay: css`
+    position: absolute;
+    top: 0;
+    left: 0;
+    width: 20px;
+    height: 20px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    opacity: 0;
+    transition: opacity 0.15s ease;
+    z-index: 1;
+  `,
+  pinOverlayVisible: css`
+    opacity: 1;
+  `,
+  pinButton: css`
     color: ${token.colorTextTertiary};
     cursor: pointer;
     font-size: 14px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
 
     &:hover {
       color: ${token.colorWarning};
     }
   `,
-  pinIconPinned: css`
+  pinButtonPinned: css`
     color: ${token.colorWarning};
   `,
 }));
 
+interface AppListItemProps {
+  app: AppDetail;
+  isActive: boolean;
+  isPinned: boolean;
+  onItemClick: (app: AppDetail) => void;
+  onPinToggle: (e: React.MouseEvent, appId: string) => void;
+  styles: ReturnType<typeof useStyles>["styles"];
+  t: (key: string) => string;
+}
+
+const AppListItem: React.FC<AppListItemProps> = ({
+  app,
+  isActive,
+  isPinned,
+  onItemClick,
+  onPinToggle,
+  styles,
+  t,
+}) => {
+  const [isHovered, setIsHovered] = React.useState(false);
+
+  // Pin overlay is visible when:
+  // 1. Item is pinned (always show)
+  // 2. Item is hovered (show for unpinned items)
+  const showPinOverlay = isPinned || isHovered;
+
+  return (
+    <motion.div
+      layout
+      className={`${styles.listItemMotion} ${isActive ? styles.listItemActive : ""} ${isPinned ? styles.listItemPinned : ""}`}
+      onClick={() => onItemClick(app)}
+      onMouseEnter={() => setIsHovered(true)}
+      onMouseLeave={() => setIsHovered(false)}
+      transition={{ type: "spring", stiffness: 500, damping: 30 }}
+    >
+      <div className={styles.appInfoWrapper}>
+        <div className={styles.iconWrapper}>
+          {/* Pin overlay - visible on hover for unpinned, always visible for pinned */}
+          <div
+            className={`${styles.pinOverlay} ${showPinOverlay ? styles.pinOverlayVisible : ""}`}
+            onClick={(e) => onPinToggle(e, app.appId)}
+          >
+            <Tooltip title={isPinned ? t("unpin") : t("pinApp")}>
+              <span
+                className={`${styles.pinButton} ${isPinned ? styles.pinButtonPinned : ""}`}
+              >
+                {isPinned ? (
+                  <Pin size={16} className="fill-current" />
+                ) : (
+                  <Pin size={16} />
+                )}
+              </span>
+            </Tooltip>
+          </div>
+          {/* App icon - hidden when pin overlay is visible */}
+          {!showPinOverlay && <LayoutGrid size={16} style={{ color: "#1890ff" }} />}
+        </div>
+        <Tooltip title={app.name}>
+          <span className={styles.appName}>{app.name}</span>
+        </Tooltip>
+        <Text code className={styles.appId}>
+          ID: {app.appId}
+        </Text>
+      </div>
+    </motion.div>
+  );
+};
+
 const AppList: React.FC = () => {
   const { t } = useTranslation("app");
   const { styles } = useStyles();
@@ -260,37 +357,6 @@ const AppList: React.FC = () => {
     setAppSortOrder(appSortOrder === "asc" ? "desc" : "asc");
   };
 
-  // Render list item
-  const renderItem = (app: AppDetail) => {
-    const isActive = selectedAppId === app.appId;
-    const isPinned = currentPinnedApps.includes(app.appId);
-
-    return (
-      <div
-        className={`${styles.listItem} ${isActive ? styles.listItemActive : ""} ${isPinned ? styles.listItemPinned : ""}`}
-        onClick={() => handleItemClick(app)}
-      >
-        <div className={styles.appInfo}>
-          <Tooltip title={isPinned ? t("unpin") : t("pinApp")}>
-            <span
-              className={`${styles.pinIcon} ${isPinned ? styles.pinIconPinned : ""}`}
-              onClick={(e) => handlePinToggle(e, app.appId)}
-            >
-              {isPinned ? <Pin size={16} className="fill-current" /> : <Pin size={16} />}
-            </span>
-          </Tooltip>
-          <LayoutGrid size={16} style={{ color: "#1890ff" }} />
-          <Tooltip title={app.name}>
-            <span className={styles.appName}>{app.name}</span>
-          </Tooltip>
-          <Text code className={styles.appId}>
-            ID: {app.appId}
-          </Text>
-        </div>
-      </div>
-    );
-  };
-
   if (!currentDomain) {
     return (
       <div className={styles.empty}>
@@ -371,13 +437,18 @@ const AppList: React.FC = () => {
             </Empty>
           </div>
         ) : (
-          <>
-            {displayApps.map((app) => (
-              <React.Fragment key={app.appId}>
-                {renderItem(app)}
-              </React.Fragment>
-            ))}
-          </>
+          displayApps.map((app) => (
+            <AppListItem
+              key={app.appId}
+              app={app}
+              isActive={selectedAppId === app.appId}
+              isPinned={currentPinnedApps.includes(app.appId)}
+              onItemClick={handleItemClick}
+              onPinToggle={handlePinToggle}
+              styles={styles}
+              t={t}
+            />
+          ))
         )}
       </div>
       {/* Footer with info */}
diff --git a/src/renderer/src/components/DomainManager/DomainManager.tsx b/src/renderer/src/components/DomainManager/DomainManager.tsx
index 68af431..0d28593 100644
--- a/src/renderer/src/components/DomainManager/DomainManager.tsx
+++ b/src/renderer/src/components/DomainManager/DomainManager.tsx
@@ -182,7 +182,7 @@ const DomainManager: React.FC<DomainManagerProps> = ({
           <div className={styles.collapsedInfo}>
             <Avatar
               icon={<Cloud size={14} />}
-              size="small"
+              size={24}
               style={{
                 backgroundColor: getDomainIconColor(currentDomain?.id),
               }}
diff --git a/src/renderer/src/components/Settings/Settings.tsx b/src/renderer/src/components/Settings/Settings.tsx
index 01e88c6..071d426 100644
--- a/src/renderer/src/components/Settings/Settings.tsx
+++ b/src/renderer/src/components/Settings/Settings.tsx
@@ -1,18 +1,18 @@
 /**
  * Settings Component
- * Application settings page with language switcher
+ * Application settings modal with language switcher
  */
 
 import React from "react";
 import { useTranslation } from "react-i18next";
 import { Typography, Radio, Divider } from "antd";
-import { Button } from "@lobehub/ui";
-import { Globe, XCircle } from "lucide-react";
+import { Globe } from "lucide-react";
+
 import { createStyles } from "antd-style";
 import { useLocaleStore } from "@renderer/stores/localeStore";
 import { LOCALES, type LocaleCode } from "@shared/types/locale";
 
-const { Title, Text } = Typography;
+const { Title } = Typography;
 
 const useStyles = createStyles(({ token, css }) => ({
   container: css`
@@ -67,11 +67,7 @@ const useStyles = createStyles(({ token, css }) => ({
   `,
 }));
 
-interface SettingsProps {
-  onClose?: () => void;
-}
-
-const Settings: React.FC<SettingsProps> = ({ onClose }) => {
+const Settings: React.FC = () => {
   const { t } = useTranslation("settings");
   const { styles } = useStyles();
   const { locale, setLocale } = useLocaleStore();
@@ -86,27 +82,6 @@ const Settings: React.FC<SettingsProps> = ({ onClose }) => {
 
   return (
     <div className={styles.container}>
-      {/* Header with close button */}
-      <div
-        style={{
-          display: "flex",
-          justifyContent: "space-between",
-          alignItems: "center",
-          marginBottom: 24,
-        }}
-      >
-        <Title level={4} style={{ margin: 0 }}>
-          {t("title")}
-        </Title>
-        {onClose && (
-          <Button
-            type="text"
-            icon={<XCircle size={16} />}
-            onClick={onClose}
-          />
-        )}
-      </div>
-
       {/* Language Section */}
       <div className={styles.section}>
         <div className={styles.sectionTitle}>