diff --git a/postcss.config.mjs b/postcss.config.mjs
index a7f73a2..297374d 100644
--- a/postcss.config.mjs
+++ b/postcss.config.mjs
@@ -1,5 +1,7 @@
-export default {
+const config = {
   plugins: {
     '@tailwindcss/postcss': {},
   },
-}
+};
+
+export default config;
diff --git a/src/app/auth/page.tsx b/src/app/auth/page.tsx
index f1fc428..b4edba1 100644
--- a/src/app/auth/page.tsx
+++ b/src/app/auth/page.tsx
@@ -1,6 +1,6 @@
 'use client';
 
-import { useState, useEffect } from 'react';
+import { useState, useEffect, Suspense } from 'react';
 import Link from 'next/link';
 import { useRouter, useSearchParams } from 'next/navigation';
 import { motion, AnimatePresence } from 'framer-motion';
@@ -17,7 +17,7 @@ import { sendVerificationCode, resetPassword } from '@/lib/api';
 // - TLD：至少 2 位字母
 const EMAIL_REGEX = /^(?!.*\.\.)[a-zA-Z0-9._%+-]+(?<!\.)@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*\.[a-zA-Z]{2,}$/;
 
-export default function AuthPage() {
+function AuthForm() {
   const [isLoginMode, setIsLoginMode] = useState(true);
   const [formData, setFormData] = useState({
     username: '',
@@ -172,7 +172,7 @@ export default function AuthPage() {
         setErrors(prev => ({ ...prev, email: data.message || '发送验证码失败' }));
         errorManager.showError(data.message || '发送验证码失败');
       }
-    } catch (error) {
+    } catch {
       setErrors(prev => ({ ...prev, email: '发送验证码失败，请稍后重试' }));
       errorManager.showError('发送验证码失败，请稍后重试');
     } finally {
@@ -958,4 +958,12 @@ export default function AuthPage() {
 
     </div>
   );
+}
+
+export default function AuthPage() {
+  return (
+    <Suspense fallback={<div className="min-h-screen flex items-center justify-center">Loading...</div>}>
+      <AuthForm />
+    </Suspense>
+  );
 }
\ No newline at end of file
diff --git a/src/app/page.tsx b/src/app/page.tsx
index 72fc120..0eec085 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -12,6 +12,7 @@ import {
   SparklesIcon,
   RocketLaunchIcon
 } from '@heroicons/react/24/outline';
+import { Carrot } from 'lucide-react';
 
 export default function Home() {
   const { scrollYProgress } = useScroll();
@@ -102,7 +103,7 @@ export default function Home() {
             >
               <div className="relative">
                 <div className="w-24 h-24 bg-gradient-to-br from-orange-400 via-amber-500 to-orange-600 rounded-3xl flex items-center justify-center shadow-2xl">
-                  <span className="text-4xl font-bold text-white">CS</span>
+                  <Carrot className="w-12 h-12 text-white" />
                 </div>
                 <motion.div 
                   className="absolute -inset-2 bg-gradient-to-br from-orange-400/30 to-amber-500/30 rounded-3xl blur-lg"
diff --git a/src/app/profile/page.tsx b/src/app/profile/page.tsx
index 9da4bca..ced0b80 100644
--- a/src/app/profile/page.tsx
+++ b/src/app/profile/page.tsx
@@ -12,14 +12,10 @@ import {
   XMarkIcon,
   UserIcon,
   PhotoIcon,
-  HeartIcon,
-  TrashIcon,
   PencilIcon,
   KeyIcon,
   EnvelopeIcon,
   CloudArrowUpIcon,
-  EyeIcon,
-  ArrowDownTrayIcon,
   ArrowLeftOnRectangleIcon
 } from '@heroicons/react/24/outline';
 import {
@@ -78,14 +74,14 @@ export default function ProfilePage() {
   const [showCreateCharacter, setShowCreateCharacter] = useState(false);
   const [showUploadSkin, setShowUploadSkin] = useState(false);
   const [newCharacterName, setNewCharacterName] = useState('');
-  const [newSkinData, setNewSkinData] = useState({
+  const [, setNewSkinData] = useState({
     name: '',
     description: '',
     type: 'SKIN' as 'SKIN' | 'CAPE',
     is_public: false,
     is_slim: false
   });
-  const [selectedFile, setSelectedFile] = useState<File | null>(null);
+  const [, setSelectedFile] = useState<File | null>(null);
   const [editingProfile, setEditingProfile] = useState<string | null>(null);
   const [editProfileName, setEditProfileName] = useState('');
   const [uploadProgress, setUploadProgress] = useState(0);
@@ -106,7 +102,7 @@ export default function ProfilePage() {
   const [emailCodeCountdown, setEmailCodeCountdown] = useState(0);
   const [isChangingEmail, setIsChangingEmail] = useState(false);
 
-  const { user, isAuthenticated, isLoading: isAuthLoading, logout, updateUser } = useAuth();
+  const { isAuthenticated, isLoading: isAuthLoading, logout, updateUser } = useAuth();
 
   // 加载用户数据
   useEffect(() => {
@@ -252,13 +248,6 @@ export default function ProfilePage() {
     }
   };
 
-  const handleFileSelect = (e: React.ChangeEvent<HTMLInputElement>) => {
-    const file = e.target.files?.[0];
-    if (file) {
-      setSelectedFile(file);
-    }
-  };
-
   const handleUploadSkin = async (file: File, data: { name: string; description: string; type: 'SKIN' | 'CAPE'; is_public: boolean; is_slim: boolean }) => {
     if (!file || !data.name.trim()) {
       messageManager.warning('请选择皮肤文件并输入皮肤名称', { duration: 3000 });
@@ -721,6 +710,7 @@ export default function ProfilePage() {
                 <div className="flex items-center space-x-6">
                   <div className="relative">
                     {userProfile?.avatar ? (
+                      /* eslint-disable-next-line @next/next/no-img-element */
                       <img 
                         src={userProfile.avatar} 
                         alt={userProfile.username}
@@ -985,7 +975,7 @@ export default function ProfilePage() {
           >
             <div className="flex justify-between items-center mb-6">
               <h3 className="text-xl font-bold text-gray-900 dark:text-white">
-                为角色 "{currentProfile?.name}" 选择皮肤
+                为角色 &ldquo;{currentProfile?.name}&rdquo; 选择皮肤
               </h3>
               <button
                 onClick={() => setShowSkinSelector(null)}
diff --git a/src/app/skins/page.tsx b/src/app/skins/page.tsx
index f36b2f0..a5b0ee0 100644
--- a/src/app/skins/page.tsx
+++ b/src/app/skins/page.tsx
@@ -2,7 +2,8 @@
 
 import { useState, useEffect, useCallback } from 'react';
 import { motion, AnimatePresence } from 'framer-motion';
-import { MagnifyingGlassIcon, EyeIcon, HeartIcon, ArrowDownTrayIcon, SparklesIcon, FunnelIcon, ArrowsUpDownIcon } from '@heroicons/react/24/outline';
+import { MagnifyingGlassIcon, FunnelIcon, ArrowsUpDownIcon } from '@heroicons/react/24/outline';
+import { Palette } from 'lucide-react';
 import SkinDetailModal from '@/components/SkinDetailModal';
 import SkinCard from '@/components/SkinCard';
 import { searchTextures, toggleFavorite, type Texture } from '@/lib/api';
@@ -305,7 +306,7 @@ export default function SkinsPage() {
               animate={{ opacity: 1 }}
               transition={{ delay: 0.2 }}
             >
-              {textures.map((texture, index) => {
+              {textures.map((texture) => {
                 const isFavorited = favoritedIds.has(texture.id);
                 
                 return (
@@ -333,7 +334,9 @@ export default function SkinsPage() {
               exit={{ opacity: 0, scale: 0.9 }}
               className="text-center py-16"
             >
-              <div className="text-6xl mb-4">🎨</div>
+              <div className="flex justify-center mb-4">
+                <Palette className="w-16 h-16 text-orange-500" />
+              </div>
               <h3 className="text-xl font-semibold text-gray-900 dark:text-white mb-2">
                 暂无材质
               </h3>
diff --git a/src/components/EnhancedButton.tsx b/src/components/EnhancedButton.tsx
index 08e78af..22d17a3 100644
--- a/src/components/EnhancedButton.tsx
+++ b/src/components/EnhancedButton.tsx
@@ -1,7 +1,7 @@
 'use client';
 
 import { motion, MotionProps } from 'framer-motion';
-import { ReactNode, useState, useEffect } from 'react';
+import { ReactNode, useState } from 'react';
 import { AnimatePresence } from 'framer-motion';
 
 interface EnhancedButtonProps extends Omit<MotionProps, 'onClick'> {
@@ -15,7 +15,6 @@ interface EnhancedButtonProps extends Omit<MotionProps, 'onClick'> {
   icon?: ReactNode;
   iconPosition?: 'left' | 'right';
   ripple?: boolean;
-  sound?: boolean;
   haptic?: boolean;
   className?: string;
   type?: 'button' | 'submit' | 'reset';
@@ -32,7 +31,6 @@ export default function EnhancedButton({
   icon,
   iconPosition = 'left',
   ripple = true,
-  sound = true,
   haptic = true,
   className = '',
   type = 'button',
@@ -41,37 +39,6 @@ export default function EnhancedButton({
   const [isProcessing, setIsProcessing] = useState(false);
   const [ripples, setRipples] = useState<Array<{ id: number; x: number; y: number }>>([]);
 
-  // 播放音效
-  const playSound = (type: 'click' | 'success' | 'error' = 'click') => {
-    if (!sound) return;
-    
-    try {
-      const audioContext = new (window.AudioContext || (window as any).webkitAudioContext)();
-      const oscillator = audioContext.createOscillator();
-      const gainNode = audioContext.createGain();
-      
-      oscillator.connect(gainNode);
-      gainNode.connect(audioContext.destination);
-      
-      const frequencies = {
-        click: 800,
-        success: 1000,
-        error: 400
-      };
-      
-      oscillator.frequency.setValueAtTime(frequencies[type], audioContext.currentTime);
-      oscillator.type = type === 'error' ? 'sawtooth' : 'sine';
-      
-      gainNode.gain.setValueAtTime(0.1, audioContext.currentTime);
-      gainNode.gain.exponentialRampToValueAtTime(0.01, audioContext.currentTime + 0.2);
-      
-      oscillator.start(audioContext.currentTime);
-      oscillator.stop(audioContext.currentTime + 0.2);
-    } catch (error) {
-      // 忽略音频API错误
-    }
-  };
-
   // 触觉反馈
   const triggerHaptic = () => {
     if (haptic && navigator.vibrate) {
@@ -102,7 +69,6 @@ export default function EnhancedButton({
     if (disabled || loading || isProcessing) return;
     
     createRipple(e);
-    playSound('click');
     triggerHaptic();
     
     if (onClick) {
@@ -113,10 +79,8 @@ export default function EnhancedButton({
         // 如果返回的是 Promise，等待它完成
         if (result instanceof Promise) {
           await result;
-          playSound('success');
         }
       } catch (error) {
-        playSound('error');
         console.error('Button click error:', error);
       } finally {
         setIsProcessing(false);
diff --git a/src/components/ErrorNotification.tsx b/src/components/ErrorNotification.tsx
index 40ecd8f..8f965fb 100644
--- a/src/components/ErrorNotification.tsx
+++ b/src/components/ErrorNotification.tsx
@@ -192,7 +192,6 @@ export function ErrorNotification({ message, type = 'error', duration = 5000, on
 class ErrorManager {
   private static instance: ErrorManager;
   private listeners: Array<(notification: ErrorNotificationProps & { id: string }) => void> = [];
-  private soundEnabled: boolean = true;
 
   static getInstance(): ErrorManager {
     if (!ErrorManager.instance) {
@@ -201,51 +200,19 @@ class ErrorManager {
     return ErrorManager.instance;
   }
 
-  private playSound(type: ErrorType) {
-    if (!this.soundEnabled) return;
-    
-    // 创建音频反馈
-    const audioContext = new (window.AudioContext || (window as any).webkitAudioContext)();
-    const oscillator = audioContext.createOscillator();
-    const gainNode = audioContext.createGain();
-    
-    oscillator.connect(gainNode);
-    gainNode.connect(audioContext.destination);
-    
-    const frequencies = {
-      error: 300,
-      warning: 400,
-      success: 600,
-      info: 500
-    };
-    
-    oscillator.frequency.setValueAtTime(frequencies[type], audioContext.currentTime);
-    oscillator.type = type === 'error' ? 'sawtooth' : 'sine';
-    
-    gainNode.gain.setValueAtTime(0.1, audioContext.currentTime);
-    gainNode.gain.exponentialRampToValueAtTime(0.01, audioContext.currentTime + 0.3);
-    
-    oscillator.start(audioContext.currentTime);
-    oscillator.stop(audioContext.currentTime + 0.3);
-  }
-
   showError(message: string, duration?: number) {
-    this.playSound('error');
     this.showNotification(message, 'error', duration);
   }
 
   showWarning(message: string, duration?: number) {
-    this.playSound('warning');
     this.showNotification(message, 'warning', duration);
   }
 
   showSuccess(message: string, duration?: number) {
-    this.playSound('success');
     this.showNotification(message, 'success', duration);
   }
 
   showInfo(message: string, duration?: number) {
-    this.playSound('info');
     this.showNotification(message, 'info', duration);
   }
 
@@ -266,10 +233,6 @@ class ErrorManager {
       this.listeners = this.listeners.filter(l => l !== listener);
     };
   }
-
-  setSoundEnabled(enabled: boolean) {
-    this.soundEnabled = enabled;
-  }
 }
 
 export const errorManager = ErrorManager.getInstance();
@@ -277,7 +240,6 @@ export const errorManager = ErrorManager.getInstance();
 // 增强的错误提示容器组件
 export function ErrorNotificationContainer() {
   const [notifications, setNotifications] = useState<Array<ErrorNotificationProps & { id: string }>>([]);
-  const [soundEnabled, setSoundEnabled] = useState(true);
 
   useEffect(() => {
     const unsubscribe = errorManager.subscribe((notification) => {
@@ -287,10 +249,6 @@ export function ErrorNotificationContainer() {
     return unsubscribe;
   }, []);
 
-  useEffect(() => {
-    errorManager.setSoundEnabled(soundEnabled);
-  }, [soundEnabled]);
-
   const removeNotification = (id: string) => {
     setNotifications(prev => prev.filter(n => n.id !== id));
   };
diff --git a/src/components/ErrorPage.tsx b/src/components/ErrorPage.tsx
index 10824d6..02fecb3 100644
--- a/src/components/ErrorPage.tsx
+++ b/src/components/ErrorPage.tsx
@@ -1,22 +1,19 @@
 'use client';
 
 import Link from 'next/link';
-import { motion, AnimatePresence, useScroll, useTransform } from 'framer-motion';
-import { useState, useCallback, useEffect } from 'react';
+import { motion, AnimatePresence, useScroll } from 'framer-motion';
+import { useState, useCallback, useMemo, useEffect } from 'react';
 import { 
   HomeIcon, 
   ArrowLeftIcon, 
   ExclamationTriangleIcon,
-  XCircleIcon,
   ClockIcon,
   ServerIcon,
   WifiIcon,
   ClipboardDocumentIcon,
   ArrowPathIcon,
   CubeIcon,
-  QuestionMarkCircleIcon,
-  SparklesIcon,
-  RocketLaunchIcon
+  QuestionMarkCircleIcon
 } from '@heroicons/react/24/outline';
 import { messageManager } from './MessageNotification';
 
@@ -172,9 +169,7 @@ export function ErrorPage({
   const [isRetrying, setIsRetrying] = useState(false);
   const [showDetails, setShowDetails] = useState(false);
   const [copySuccess, setCopySuccess] = useState(false);
-  const [mousePosition, setMousePosition] = useState({ x: 0, y: 0 });
-  const { scrollYProgress } = useScroll();
-  const opacity = useTransform(scrollYProgress, [0, 0.3], [1, 0.8]);
+  useScroll(); // keep hook for future use
 
   const config = errorConfigs[type] || {};
   const displayTitle = title || config.title || '出错了';
@@ -194,32 +189,23 @@ export function ErrorPage({
     return JSON.stringify(details, null, 2);
   }, [type, code, errorDetails]);
 
-  const defaultActions = {
-    primary: {
-      label: '返回主城',
-      href: '/'
-    },
-    secondary: {
-      label: '返回上页',
-      onClick: () => {
-        if (typeof window !== 'undefined') {
-          window.history.back();
+  const finalActions = useMemo(() => {
+    const defaults = {
+      primary: {
+        label: '返回主城',
+        href: '/'
+      },
+      secondary: {
+        label: '返回上页',
+        onClick: () => {
+          if (typeof window !== 'undefined') {
+            window.history.back();
+          }
         }
       }
-    }
-  };
-
-  const finalActions = { ...defaultActions, ...actions };
-
-  const getThemeStyles = () => {
-    return {
-      bg: 'bg-gradient-to-br from-slate-50 via-orange-50 to-amber-50 dark:from-gray-900 dark:via-gray-800 dark:to-gray-900',
-      card: 'bg-white/70 dark:bg-gray-800/70 backdrop-blur-lg',
-      text: 'text-gray-900 dark:text-white',
-      subtext: 'text-gray-600 dark:text-gray-300',
-      accent: 'text-orange-500 dark:text-orange-400'
     };
-  };
+    return { ...defaults, ...actions };
+  }, [actions]);
 
   const getIconColor = () => {
     const colors = {
@@ -251,13 +237,13 @@ export function ErrorPage({
     return 'from-orange-500 to-amber-500 hover:from-orange-600 hover:to-amber-600';
   };
 
-  const handleRetry = async () => {
+  const handleRetry = useCallback(async () => {
     if (onRetry) {
       setIsRetrying(true);
       try {
         await onRetry();
         messageManager.success('重试成功！', { duration: 3000 });
-      } catch (error) {
+      } catch {
         messageManager.error('重试失败，请稍后重试', { duration: 5000 });
       } finally {
         setIsRetrying(false);
@@ -268,9 +254,9 @@ export function ErrorPage({
         window.location.reload();
       }
     }
-  };
+  }, [onRetry]);
 
-  const handleCopyError = async () => {
+  const handleCopyError = useCallback(async () => {
     try {
       const details = generateErrorDetails();
       if (typeof navigator !== 'undefined' && navigator.clipboard) {
@@ -290,15 +276,10 @@ export function ErrorPage({
         messageManager.success('错误信息已复制到剪贴板', { duration: 2000 });
         setTimeout(() => setCopySuccess(false), 2000);
       }
-    } catch (error) {
+    } catch {
       messageManager.error('复制失败，请手动复制', { duration: 3000 });
     }
-  };
-
-  const handleReportError = () => {
-    messageManager.info('感谢您的反馈，我们会尽快处理', { duration: 3000 });
-    // 这里可以添加实际的错误报告逻辑
-  };
+  }, [generateErrorDetails]);
 
   // 键盘快捷键支持
   useEffect(() => {
@@ -315,8 +296,6 @@ export function ErrorPage({
     }
   }, [handleRetry]);
 
-  const themeStyles = getThemeStyles();
-
   return (
     <div className={`min-h-screen bg-gradient-to-br from-slate-50 via-orange-50 to-amber-50 dark:from-gray-900 dark:via-gray-800 dark:to-gray-900 ${className}`}>
       {/* Animated Background - 简化背景动画 */}
diff --git a/src/components/LoadingStates.tsx b/src/components/LoadingStates.tsx
index 0a5706e..852ac6b 100644
--- a/src/components/LoadingStates.tsx
+++ b/src/components/LoadingStates.tsx
@@ -6,14 +6,12 @@ import { ReactNode } from 'react';
 interface LoadingSpinnerProps {
   size?: 'sm' | 'md' | 'lg' | 'xl';
   color?: 'orange' | 'blue' | 'green' | 'red' | 'purple' | 'gray';
-  speed?: 'slow' | 'normal' | 'fast';
   className?: string;
 }
 
 export function LoadingSpinner({ 
   size = 'md', 
-  color = 'orange', 
-  speed = 'normal',
+  color = 'orange',
   className = ''
 }: LoadingSpinnerProps) {
   const sizes = {
@@ -32,12 +30,6 @@ export function LoadingSpinner({
     gray: 'border-gray-500'
   };
 
-  const speeds = {
-    slow: 'duration-2000',
-    normal: 'duration-1000',
-    fast: 'duration-500'
-  };
-
   return (
     <motion.div
       className={`${sizes[size]} ${colors[color]} border-2 border-t-transparent rounded-full animate-spin ${className}`}
diff --git a/src/components/MessageNotification.tsx b/src/components/MessageNotification.tsx
index e93ff1d..7c31a47 100644
--- a/src/components/MessageNotification.tsx
+++ b/src/components/MessageNotification.tsx
@@ -7,8 +7,7 @@ import {
   ExclamationTriangleIcon, 
   CheckCircleIcon, 
   InformationCircleIcon,
-  XCircleIcon,
-  BellIcon
+  XCircleIcon
 } from '@heroicons/react/24/outline';
 
 export type MessageType = 'success' | 'error' | 'warning' | 'info' | 'loading';
diff --git a/src/components/Navbar.tsx b/src/components/Navbar.tsx
index 26938da..b961e60 100644
--- a/src/components/Navbar.tsx
+++ b/src/components/Navbar.tsx
@@ -5,14 +5,13 @@ import Link from 'next/link';
 import { useRouter, usePathname } from 'next/navigation';
 import { Bars3Icon, XMarkIcon, UserCircleIcon } from '@heroicons/react/24/outline';
 import { motion, AnimatePresence, useScroll, useTransform, useSpring } from 'framer-motion';
+import { Carrot } from 'lucide-react';
 import { useAuth } from '@/contexts/AuthContext';
 
 export default function Navbar() {
   const [isOpen, setIsOpen] = useState(false);
   const [isHidden, setIsHidden] = useState(false);
   const [isScrolled, setIsScrolled] = useState(false);
-  const [showScrollTop, setShowScrollTop] = useState(false);
-  const [navbarHeight, setNavbarHeight] = useState(0);
   const [scrollProgress, setScrollProgress] = useState(0);
   const navbarRef = useRef<HTMLElement>(null);
   const { user, isAuthenticated, isLoading: isAuthLoading, logout } = useAuth();
@@ -24,7 +23,6 @@ export default function Navbar() {
   const springConfig = { stiffness: 300, damping: 30 };
   const navbarY = useSpring(useTransform(scrollY, [0, 100], [0, -100]), springConfig);
   const navbarOpacity = useSpring(useTransform(scrollY, [0, 50], [1, 0.95]), springConfig);
-  const scrollProgressSpring = useSpring(scrollProgress, springConfig);
 
   // 在auth页面隐藏navbar
   const isAuthPage = pathname === '/auth';
@@ -34,7 +32,6 @@ export default function Navbar() {
     const updateHeight = () => {
       if (navbarRef.current) {
         const height = navbarRef.current.offsetHeight;
-        setNavbarHeight(height);
         document.documentElement.style.setProperty('--navbar-height', `${height}px`);
       }
     };
@@ -69,9 +66,6 @@ export default function Navbar() {
           // 检测是否滚动到顶部
           setIsScrolled(currentScrollY > 20);
           
-          // 显示返回顶部按钮（滚动超过300px）
-          setShowScrollTop(currentScrollY > 300);
-          
           // 更敏感的隐藏逻辑：只要往下滚动就隐藏，不管滚动多少
           if (!isAuthPage && currentScrollY > lastScrollY && currentScrollY > 10) {
             setIsHidden(true);
@@ -108,13 +102,6 @@ export default function Navbar() {
     return null;
   }
 
-  const scrollToTop = () => {
-    window.scrollTo({
-      top: 0,
-      behavior: 'smooth',
-    });
-  };
-
   const navItems = [
     { href: '/', label: '首页', icon: null },
     { href: '/skins', label: '皮肤库', icon: null },
@@ -161,7 +148,7 @@ export default function Navbar() {
                   whileHover={{ rotate: 5, scale: 1.05 }}
                   transition={{ type: 'spring', stiffness: 300 }}
                 >
-                  <span className="text-white font-bold text-lg relative z-10">C</span>
+                  <Carrot className="w-6 h-6 text-white relative z-10" />
                   <motion.div
                     className="absolute inset-0 bg-gradient-to-br from-white/20 to-transparent"
                     initial={{ x: '-100%', y: '-100%' }}
@@ -237,6 +224,7 @@ export default function Navbar() {
                           className="relative"
                           whileHover={{ scale: 1.1, rotate: 5 }}
                         >
+                          {/* eslint-disable-next-line @next/next/no-img-element */}
                           <img 
                             src={user.avatar} 
                             alt={user.username}
@@ -405,6 +393,7 @@ export default function Navbar() {
                       >
                         <div className="flex items-center space-x-3">
                           {user?.avatar ? (
+                            /* eslint-disable-next-line @next/next/no-img-element */
                             <img 
                               src={user.avatar} 
                               alt={user.username}
@@ -468,7 +457,7 @@ export default function Navbar() {
         </AnimatePresence>
       </motion.nav>
 
-      {/* 返回顶部按钮 */}
+      {/* 返回顶部按钮 - 已注释掉，如需使用请恢复 showScrollTop 状态 */}
       {/* <AnimatePresence>
         {showScrollTop && (
           <motion.button
@@ -477,7 +466,7 @@ export default function Navbar() {
             exit={{ opacity: 0, scale: 0.8, y: 20 }}
             whileHover={{ scale: 1.1, y: -2 }}
             whileTap={{ scale: 0.9 }}
-            onClick={scrollToTop}
+            onClick={() => window.scrollTo({ top: 0, behavior: 'smooth' })}
             className="fixed bottom-8 right-8 z-40 bg-gradient-to-r from-orange-500 to-amber-500 text-white p-3 rounded-full shadow-lg hover:shadow-xl transition-all duration-200"
           >
             <motion.div
diff --git a/src/components/SkinCard.tsx b/src/components/SkinCard.tsx
index 7487826..69f250c 100644
--- a/src/components/SkinCard.tsx
+++ b/src/components/SkinCard.tsx
@@ -4,6 +4,7 @@ import { motion, AnimatePresence } from 'framer-motion';
 import { useState } from 'react';
 import { EyeIcon, ArrowDownTrayIcon, HeartIcon } from '@heroicons/react/24/outline';
 import { HeartIcon as HeartIconSolid } from '@heroicons/react/24/solid';
+import { Shirt } from 'lucide-react';
 import SkinViewer from './SkinViewer';
 import type { Texture } from '@/lib/api';
 
@@ -197,7 +198,7 @@ export default function SkinCard({
                 transition={{ type: 'spring' as const, stiffness: 300 }}  
                 animate={imageLoaded ? {} : { scale: [0.8, 1, 0.8] }}
               >
-                <span className="text-2xl">🧥</span>  
+                <Shirt className="w-10 h-10 text-orange-500" />
               </motion.div>
               <p className="text-sm text-gray-600 dark:text-gray-300 font-medium">披风</p>
             </motion.div>
@@ -406,13 +407,13 @@ export default function SkinCard({
             </motion.span>
           </div>
           <div className="text-xs text-gray-400">
-            {texture.uploader_id && (
+            {texture.uploader_username && (
               <motion.span
                 initial={{ opacity: 0 }}
                 animate={{ opacity: 1 }}
                 transition={{ delay: index * 0.1 + 0.6 }}
               >
-                by User #{texture.uploader_id}
+                by {texture.uploader_username}
               </motion.span>
             )}
           </div>
diff --git a/src/components/SkinDetailModal.tsx b/src/components/SkinDetailModal.tsx
index 8ae6d14..55e7c29 100644
--- a/src/components/SkinDetailModal.tsx
+++ b/src/components/SkinDetailModal.tsx
@@ -18,9 +18,7 @@ interface SkinDetailModalProps {
     favorite_count?: number;
     download_count?: number;
     created_at?: string;
-    uploader?: {
-      username: string;
-    };
+    uploader_username?: string;
   } | null;
   isExternalPreview?: boolean;
 }
@@ -32,16 +30,19 @@ export default function SkinDetailModal({ isOpen, onClose, texture, isExternalPr
   const [isMinimized, setIsMinimized] = useState(false);
   const [isPaused, setIsPaused] = useState(false); // 新增：动画暂停状态
   
-  // 重置状态当对话框关闭时
+  // 重置状态当对话框关闭时 - 使用事件循环避免同步 setState
   useEffect(() => {
     if (!isOpen) {
-      setCurrentAnimation('idle');
-      setAutoRotate(!isExternalPreview);
-      setRotation(true);
-      setIsMinimized(false);
-      setIsPaused(false); // 重置暂停状态
+      const timer = setTimeout(() => {
+        setCurrentAnimation('idle');
+        setAutoRotate(!isExternalPreview);
+        setRotation(true);
+        setIsMinimized(false);
+        setIsPaused(false);
+      }, 0);
+      return () => clearTimeout(timer);
     }
-  }, [isOpen]);
+  }, [isOpen, isExternalPreview]);
 
   // 键盘事件处理
   useEffect(() => {
@@ -286,10 +287,10 @@ export default function SkinDetailModal({ isOpen, onClose, texture, isExternalPr
                         { key: 'walking', label: '步行', icon: null },
                         { key: 'running', label: '跑步', icon: null },
                         { key: 'swimming', label: '游泳', icon: null }
-                      ].map((anim, i) => (
+                      ].map((anim) => (
                         <button
                           key={anim.key}
-                          onClick={() => handleAnimationChange(anim.key as any)}
+                          onClick={() => handleAnimationChange(anim.key as 'idle' | 'walking' | 'running' | 'swimming')}
                           className={`p-4 rounded-xl text-sm font-semibold transition-all duration-200 ${
                             currentAnimation === anim.key
                               ? 'bg-gradient-to-r from-orange-500 via-amber-500 to-yellow-500 text-white shadow-lg ring-2 ring-orange-300 dark:ring-orange-500'
@@ -327,7 +328,7 @@ export default function SkinDetailModal({ isOpen, onClose, texture, isExternalPr
                     )}
                     
                     <div className="space-y-2 text-sm">
-                      {texture.uploader && (
+                      {texture.uploader_username && (
                         <motion.div 
                           className="flex justify-between items-center"
                           initial={{ opacity: 0, x: -10 }}
@@ -335,7 +336,7 @@ export default function SkinDetailModal({ isOpen, onClose, texture, isExternalPr
                           transition={{ delay: 1.0 }}
                         >
                           <span className="text-gray-600 dark:text-gray-400">上传者:</span>
-                          <span className="font-medium text-gray-800 dark:text-gray-200">{texture.uploader.username}</span>
+                          <span className="font-medium text-gray-800 dark:text-gray-200">{texture.uploader_username}</span>
                         </motion.div>
                       )}
                       
diff --git a/src/components/SkinViewer.tsx b/src/components/SkinViewer.tsx
index 839467a..2e1170d 100644
--- a/src/components/SkinViewer.tsx
+++ b/src/components/SkinViewer.tsx
@@ -1,6 +1,7 @@
 'use client';
 
 import { useEffect, useRef, useState } from 'react';
+import { AlertTriangle } from 'lucide-react';
 import { SkinViewer as SkinViewer3D, WalkingAnimation, RunningAnimation, FlyingAnimation, IdleAnimation } from 'skinview3d';
 
 interface SkinViewerProps {
@@ -44,87 +45,102 @@ export default function SkinViewer({
 
   // 预加载皮肤图片以检查是否可访问
   useEffect(() => {
-    if (!skinUrl) return;
+    if (!skinUrl) {
+      // 使用 requestAnimationFrame 避免同步 setState 触发级联渲染
+      const frame = requestAnimationFrame(() => {
+        setIsLoading(false);
+        setHasError(true);
+      });
+      return () => cancelAnimationFrame(frame);
+    }
 
-    setIsLoading(true);
-    setHasError(false);
-    setImageLoaded(false);
+    // 使用 requestAnimationFrame 避免同步 setState 触发级联渲染
+    const initFrame = requestAnimationFrame(() => {
+      setIsLoading(true);
+      setHasError(false);
+      setImageLoaded(false);
+    });
 
+    let isCancelled = false;
     const img = new Image();
-    img.crossOrigin = 'anonymous'; // 尝试跨域访问
-    
+    img.crossOrigin = 'anonymous';
+
     img.onload = () => {
+      if (isCancelled) return;
       console.log('皮肤图片加载成功:', skinUrl);
       setImageLoaded(true);
       setIsLoading(false);
-      if (onImageLoaded) {
-        onImageLoaded();
-      }
+      onImageLoaded?.();
     };
-    
-    img.onerror = (error) => {
-      console.error('皮肤图片加载失败:', skinUrl, error);
+
+    img.onerror = () => {
+      if (isCancelled) return;
+      console.error('皮肤图片加载失败:', skinUrl);
       setHasError(true);
       setIsLoading(false);
     };
 
-    // 开始加载图片
     img.src = skinUrl;
 
     return () => {
-      // 清理
+      cancelAnimationFrame(initFrame);
+      isCancelled = true;
       img.onload = null;
       img.onerror = null;
     };
-  }, [skinUrl]);
+  }, [skinUrl, onImageLoaded]);
 
   // 初始化3D查看器
   useEffect(() => {
     if (!canvasRef.current || !imageLoaded || hasError) return;
 
-    try {
-      console.log('初始化3D皮肤查看器:', { skinUrl, isSlim, width, height });
-      
-      // 使用传入的宽高参数初始化
-      const canvas = canvasRef.current;
-      const viewer = new SkinViewer3D({
-        canvas: canvas,
-        width: width,
-        height: height,
-        skin: skinUrl,
-        cape: capeUrl,
-        model: isSlim ? 'slim' : 'default',
-        zoom: 1.0,
-      });
+    const canvas = canvasRef.current;
+    let viewer: SkinViewer3D | null = null;
 
-      viewerRef.current = viewer;
+    // 使用 requestAnimationFrame 避免在 effect 体中同步 setState
+    const initFrame = requestAnimationFrame(() => {
+      try {
+        console.log('初始化3D皮肤查看器:', { skinUrl, isSlim, width, height });
 
-      // 设置背景和控制选项
-      viewer.background = null; // 透明背景
-      viewer.autoRotate = false; // 完全禁用自动旋转
-      
-      // 外部预览时禁用所有动画和旋转
-      if (isExternalPreview) {
-        viewer.autoRotate = false;
-        viewer.controls.enableRotate = false; // 禁用旋转控制
-        viewer.controls.enableZoom = false;   // 禁用缩放
-      } else {
-        viewer.autoRotate = autoRotate && !walking && !running && !jumping;
-        viewer.controls.enableRotate = rotation; // 根据参数控制旋转
-        viewer.controls.enableZoom = true;   // 启用缩放
+        viewer = new SkinViewer3D({
+          canvas: canvas,
+          width: width,
+          height: height,
+          skin: skinUrl,
+          cape: capeUrl,
+          model: isSlim ? 'slim' : 'default',
+          zoom: 1.0,
+        });
+
+        viewerRef.current = viewer;
+
+        // 设置背景和控制选项
+        viewer.background = null; // 透明背景
+        viewer.autoRotate = false; // 完全禁用自动旋转
+
+        // 外部预览时禁用所有动画和旋转
+        if (isExternalPreview) {
+          viewer.autoRotate = false;
+          viewer.controls.enableRotate = false; // 禁用旋转控制
+          viewer.controls.enableZoom = false;   // 禁用缩放
+        } else {
+          viewer.autoRotate = autoRotate && !walking && !running && !jumping;
+          viewer.controls.enableRotate = rotation; // 根据参数控制旋转
+          viewer.controls.enableZoom = true;   // 启用缩放
+        }
+
+        viewer.controls.enablePan = false;    // 禁用平移
+
+        console.log('3D皮肤查看器初始化成功');
+      } catch (error) {
+        console.error('3D皮肤查看器初始化失败:', error);
+        setHasError(true);
       }
-      
-      viewer.controls.enablePan = false;    // 禁用平移
-
-      console.log('3D皮肤查看器初始化成功');
-
-    } catch (error) {
-      console.error('3D皮肤查看器初始化失败:', error);
-      setHasError(true);
-    }
+    });
 
     // 清理函数
     return () => {
+      cancelAnimationFrame(initFrame);
       if (viewerRef.current) {
         try {
           viewerRef.current.dispose();
@@ -247,9 +263,11 @@ export default function SkinViewer({
         className={`${className} flex items-center justify-center bg-gradient-to-br from-red-50 to-orange-50 dark:from-red-900/20 dark:to-orange-900/20 rounded-xl border-2 border-dashed border-red-300 dark:border-red-700`}
         style={{ width: width, height: height }}
       >
-        <div className="text-center p-4">
-          <div className="text-4xl mb-2">⚠️</div>
-          <div className="text-sm text-red-600 dark:text-red-400 font-medium mb-1">
+          <div className="text-center p-4">
+            <div className="flex justify-center mb-2">
+              <AlertTriangle className="w-10 h-10 text-red-500" />
+            </div>
+            <div className="text-sm text-red-600 dark:text-red-400 font-medium mb-1">
             皮肤加载失败
           </div>
           <div className="text-xs text-red-500 dark:text-red-500">
diff --git a/src/components/SliderCaptcha.tsx b/src/components/SliderCaptcha.tsx
index 8c30093..27c6300 100644
--- a/src/components/SliderCaptcha.tsx
+++ b/src/components/SliderCaptcha.tsx
@@ -76,8 +76,8 @@ export const SliderCaptcha: React.FC<SliderCaptchaProps> = ({ onVerify, onClose
             const response = await axios.get(`${API_BASE_URL}/captcha/generate`, {
                 withCredentials: true // 关键：允许跨域携带凭证
             });
-            const { code, msg: resMsg, data } = response.data;
-            const { masterImage, tileImage, captchaId, y } = data;
+const { code, message: resMsg, data } = response.data;
+const { masterImage, tileImage, captchaId, y } = data;
 
             // 后端返回成功状态（code=200）
             if (code === 200) {
@@ -170,7 +170,7 @@ export const SliderCaptcha: React.FC<SliderCaptchaProps> = ({ onVerify, onClose
                 captchaId: processId // 验证码进程ID
             },{ withCredentials: true });
 
-            const { code, msg: resMsg, data } = response.data;
+            const { code, message: resMsg } = response.data;
             // 保存后端返回的提示信息
             setMsg(resMsg);
 
@@ -400,10 +400,11 @@ export const SliderCaptcha: React.FC<SliderCaptchaProps> = ({ onVerify, onClose
                         {/* 背景图片容器：尺寸300x200px，与后端图片尺寸匹配 */}
                         <div className="relative bg-gray-200 rounded-lg w-[300px] h-[200px] mb-4 overflow-hidden mx-auto">
                             {backgroundImage && (
+                                /* eslint-disable-next-line @next/next/no-img-element */
                                 <img
                                     src={backgroundImage}
                                     alt="验证背景"
-                                    className="h-full w-full object-cover" // 图片填满容器
+                                    className="h-full w-full object-cover"
                                 />
                             )}
                             {/* 可移动拼图块 */}
@@ -411,11 +412,12 @@ export const SliderCaptcha: React.FC<SliderCaptchaProps> = ({ onVerify, onClose
                                 <div
                                     className={`absolute ${isDragging ? '' : 'transition-all duration-300'}`}
                                     style={{
-                                        left: `${sliderPosition}px`, // 滑块x位置（拼图左上角x坐标）
-                                        top: `${puzzleY}px`, // 拼图y位置（从后端获取，拼图左上角y坐标）
+                                        left: `${sliderPosition}px`,
+                                        top: `${puzzleY}px`,
                                         zIndex: 10,
                                     }}
                                 >
+                                    {/* eslint-disable-next-line @next/next/no-img-element */}
                                     <img
                                         src={puzzleImage}
                                         alt="拼图块"
diff --git a/src/components/profile/FavoritesTab.tsx b/src/components/profile/FavoritesTab.tsx
index 77129e6..3224ada 100644
--- a/src/components/profile/FavoritesTab.tsx
+++ b/src/components/profile/FavoritesTab.tsx
@@ -2,8 +2,7 @@
 
 import { useState } from 'react';
 import { motion } from 'framer-motion';
-import { PhotoIcon, ArrowDownTrayIcon, EyeIcon, HeartIcon } from '@heroicons/react/24/outline';
-import { HeartIcon as HeartIconSolid } from '@heroicons/react/24/solid';
+import { HeartIcon } from '@heroicons/react/24/outline';
 import SkinCard from '@/components/SkinCard';
 import SkinDetailModal from '@/components/SkinDetailModal';
 import type { Texture } from '@/lib/api';
diff --git a/src/components/profile/MySkinsTab.tsx b/src/components/profile/MySkinsTab.tsx
index ecafe61..901999a 100644
--- a/src/components/profile/MySkinsTab.tsx
+++ b/src/components/profile/MySkinsTab.tsx
@@ -1,13 +1,11 @@
 'use client';
 
 import { useState } from 'react';
-import { motion, AnimatePresence } from 'framer-motion';
+import { motion } from 'framer-motion';
 import { 
   PhotoIcon, 
-  ArrowDownTrayIcon, 
-  EyeIcon, 
-  TrashIcon,
-  CloudArrowUpIcon
+  CloudArrowUpIcon,
+  TrashIcon
 } from '@heroicons/react/24/outline';
 import SkinCard from '@/components/SkinCard';
 import SkinDetailModal from '@/components/SkinDetailModal';
diff --git a/src/contexts/AuthContext.tsx b/src/contexts/AuthContext.tsx
index bc68d0a..7e4526b 100644
--- a/src/contexts/AuthContext.tsx
+++ b/src/contexts/AuthContext.tsx
@@ -47,6 +47,7 @@ export function AuthProvider({ children }: { children: ReactNode }) {
     };
 
     checkAuthStatus();
+    // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);
 
   const setAuthToken = (token: string) => {
diff --git a/src/lib/api.ts b/src/lib/api.ts
index 8b9ff69..5d9e50b 100644
--- a/src/lib/api.ts
+++ b/src/lib/api.ts
@@ -3,6 +3,7 @@ export const API_BASE_URL = process.env.NEXT_PUBLIC_API_BASE_URL || '/api/v1';
 export interface Texture {
   id: number;
   uploader_id: number;
+  uploader_username?: string;
   name: string;
   description?: string;
   type: 'SKIN' | 'CAPE';
@@ -24,7 +25,6 @@ export interface Profile {
   name: string;
   skin_id?: number;
   cape_id?: number;
-  is_active?: boolean;
   last_used_at?: string;
   created_at: string;
   updated_at: string;