c++优化

scratch-gui/src/components/stage-cpp/cpp-parser.js

@@ -2386,202 +2386,162 @@ export class CppCodeExecutor {
       return position;
     }
 
-    // 字符串表达式
+    // 整个表达式是字符串字面量时才当字符串；含引号的 API 调用走后面的算术解析
-    if (expr.includes('"') || expr.includes("'")) {
+    if ((expr.startsWith('"') && expr.endsWith('"')) ||
-      return expr.replace(/['"]/g, '');
+        (expr.startsWith("'") && expr.endsWith("'"))) {
+      return expr.slice(1, -1);
     }
 
-    // 使用改进的表达式解析器处理复杂表达式
     return this.parseComplexExpression(expr);
   }
 
-  // 新增：改进的表达式解析器，支持括号嵌套和运算优先级
+  // 递归下降：一元 +/- ，然后 * / % 优先于 + -
   parseComplexExpression(expr) {
     try {
-      // 移除所有空格
+      this._exprTokens = this.lexArithmetic(expr);
-      expr = expr.replace(/\s+/g, '');
+      this._exprPos = 0;
-      
+      if (this._exprTokens.length === 0) return 0;
-      // 处理括号
+      const result = this.parseAddExpr();
-      while (expr.includes('(')) {
+      return typeof result === 'number' && !Number.isNaN(result) ? result : 0;
-        const lastOpenParen = expr.lastIndexOf('(');
-        const closeParen = expr.indexOf(')', lastOpenParen);
-        
-        if (closeParen === -1) {
-          debugLog(`⚠️ 括号不匹配: ${expr}`);
-          return 0;
-        }
-        
-        const innerExpr = expr.substring(lastOpenParen + 1, closeParen);
-        const innerResult = this.parseComplexExpression(innerExpr);
-        
-        expr = expr.substring(0, lastOpenParen) + innerResult + expr.substring(closeParen + 1);
-      }
-      
-      // 处理一元运算符（负号）
-      expr = this.handleUnaryOperators(expr);
-      
-      // 按正确的运算优先级解析：
-      // 加法和减法是最低优先级，因此在此处最先切分。
-      // 切分后的每一项将交给 parseAdditionSubtraction，在其中处理更高级别的乘除法。
-      return this.parseAdditionSubtraction(expr);
-      
     } catch (error) {
       debugLog(`⚠️ 表达式解析错误: ${expr}, 错误: ${error.message}`);
       return 0;
     }
   }
 
-  // 处理一元运算符
+  lexArithmetic(expr) {
-  handleUnaryOperators(expr) {
-    // 先处理开头的负号
-    if (expr.startsWith('-')) {
-      const restExpr = expr.substring(1);
-      if (/^\d+/.test(restExpr)) {
-        // 负数
-        const match = restExpr.match(/^\d+/);
-        const number = match[0];
-        const remaining = restExpr.substring(number.length);
-        return (-parseInt(number)) + remaining;
-      } else if (/^[a-zA-Z_]\w*/.test(restExpr)) {
-        // 负变量
-        const match = restExpr.match(/^[a-zA-Z_]\w*/);
-        const varName = match[0];
-        const remaining = restExpr.substring(varName.length);
-        if (this.variables.has(varName)) {
-          return (-this.variables.get(varName)) + remaining;
-        }
-      }
-    }
-    
-    return expr;
-  }
-
-  // 解析乘法、除法和模运算（高优先级）
-  parseMultiplicationDivision(expr) {
-    const tokens = this.tokenizeExpression(expr, ['*', '/', '%']);
-    let result = this.evaluateToken(tokens[0]);
-    
-    for (let i = 1; i < tokens.length; i += 2) {
-      const operator = tokens[i];
-      const operand = this.evaluateToken(tokens[i + 1]);
-      
-      if (operator === '*') {
-        result *= operand;
-      } else if (operator === '/') {
-        result = Math.floor(result / operand); // C++整数除法
-      } else if (operator === '%') {
-        result = result % operand; // 模运算
-      }
-    }
-    
-    return result;
-  }
-
-  // 解析加法和减法（低优先级）
-  parseAdditionSubtraction(expr) {
-    const tokens = this.tokenizeExpressionSmart(expr, ['+', '-']);
-    let result = this.evaluateToken(tokens[0]);
-    
-    for (let i = 1; i < tokens.length; i += 2) {
-      const operator = tokens[i];
-      const operand = this.evaluateToken(tokens[i + 1]);
-      
-      if (operator === '+') {
-        result += operand;
-      } else if (operator === '-') {
-        result -= operand;
-      }
-    }
-    
-    return result;
-  }
-
-  // 智能分词器，考虑到负号可能是一元运算符
-  tokenizeExpressionSmart(expr, operators) {
     const tokens = [];
-    let current = '';
     let i = 0;
-    
+    const isIdChar = (ch) => /[a-zA-Z0-9_.]/.test(ch);
+
     while (i < expr.length) {
-      const char = expr[i];
+      const ch = expr[i];
-      
+      if (/\s/.test(ch)) {
-      if (operators.includes(char)) {
+        i++;
-        // 检查是否是一元负号
+        continue;
-        if (char === '-' && (i === 0 || operators.includes(expr[i-1]) || expr[i-1] === '(')) {
+      }
-          // 这是一元负号，继续收集
+      if ('+-*/%()'.includes(ch)) {
-          current += char;
+        tokens.push({ type: ch });
-        } else {
+        i++;
-          // 这是二元运算符
+        continue;
-          if (current.trim()) {
+      }
-            tokens.push(current.trim());
+      if (/\d/.test(ch)) {
-            current = '';
+        let num = '';
-          }
+        while (i < expr.length && /\d/.test(expr[i])) {
-          tokens.push(char);
+          num += expr[i++];
         }
-      } else {
+        tokens.push({ type: 'num', value: parseInt(num, 10) });
-        current += char;
+        continue;
+      }
+      if (/[a-zA-Z_]/.test(ch)) {
+        let id = '';
+        while (i < expr.length && isIdChar(expr[i])) {
+          id += expr[i++];
+        }
+        if (expr[i] === '(') {
+          let depth = 0;
+          let call = id;
+          while (i < expr.length) {
+            const c = expr[i++];
+            call += c;
+            if (c === '(') depth++;
+            else if (c === ')') {
+              depth--;
+              if (depth === 0) break;
+            }
+          }
+          tokens.push({ type: 'call', value: call });
+        } else {
+          tokens.push({ type: 'id', value: id });
+        }
+        continue;
       }
       i++;
     }
-    
-    if (current.trim()) {
-      tokens.push(current.trim());
-    }
-    
     return tokens;
   }
 
-  // 将表达式分解为标记
+  peekExprToken() {
-  tokenizeExpression(expr, operators) {
+    return this._exprTokens[this._exprPos] || { type: 'eof' };
-    const tokens = [];
+  }
-    let current = '';
+
-    
+  consumeExprToken() {
-    for (let i = 0; i < expr.length; i++) {
+    return this._exprTokens[this._exprPos++] || { type: 'eof' };
-      const char = expr[i];
+  }
-      
+
-      if (operators.includes(char)) {
+  parseAddExpr() {
-        if (current.trim()) {
+    let left = this.parseMulExpr();
-          tokens.push(current.trim());
+    while (this.peekExprToken().type === '+' || this.peekExprToken().type === '-') {
-          current = '';
+      const op = this.consumeExprToken().type;
-        }
+      const right = this.parseMulExpr();
-        tokens.push(char);
+      left = op === '+' ? left + right : left - right;
+    }
+    return left;
+  }
+
+  parseMulExpr() {
+    let left = this.parseUnaryExpr();
+    while (['*', '/', '%'].includes(this.peekExprToken().type)) {
+      const op = this.consumeExprToken().type;
+      const right = this.parseUnaryExpr();
+      if (op === '*') {
+        left *= right;
+      } else if (op === '/') {
+        left = right === 0 ? 0 : Math.trunc(left / right);
       } else {
-        current += char;
+        left %= right;
       }
     }
-    
+    return left;
-    if (current.trim()) {
-      tokens.push(current.trim());
-    }
-    
-    return tokens;
   }
 
-  // 计算单个标记的值
+  parseUnaryExpr() {
-  evaluateToken(token) {
+    const type = this.peekExprToken().type;
-    token = token.trim();
+    if (type === '-') {
-    if (!token) return 0;
+      this.consumeExprToken();
-    
+      return -this.parseUnaryExpr();
-    // 如果包含乘除法或模运算，交给乘除法解析器处理
-    if (token.includes('*') || token.includes('/') || token.includes('%')) {
-      return this.parseMultiplicationDivision(token);
     }
-    
+    if (type === '+') {
-    // 布尔常量
+      this.consumeExprToken();
+      return this.parseUnaryExpr();
+    }
+    return this.parsePrimaryExpr();
+  }
+
+  parsePrimaryExpr() {
+    const token = this.peekExprToken();
+    if (token.type === 'num') {
+      this.consumeExprToken();
+      return token.value;
+    }
+    if (token.type === 'id') {
+      this.consumeExprToken();
+      return this.evaluateAtom(token.value);
+    }
+    if (token.type === 'call') {
+      this.consumeExprToken();
+      return this.evaluateAtom(token.value);
+    }
+    if (token.type === '(') {
+      this.consumeExprToken();
+      const value = this.parseAddExpr();
+      if (this.peekExprToken().type === ')') {
+        this.consumeExprToken();
+      }
+      return value;
+    }
+    debugLog(`⚠️ 无法解析标记: ${token.type}`);
+    return 0;
+  }
+
+  evaluateAtom(token) {
     if (token === 'true') return 1;
     if (token === 'false') return 0;
-    
+
-    // 数字
-    if (/^-?\d+$/.test(token)) {
-      return parseInt(token);
-    }
-    
-    // 变量查找
     if (this.variables.has(token)) {
       return this.variables.get(token);
     }
-    
+
-    // 对象属性访问 (如 pos.x, pos.y, pos.z)
     if (token.includes('.')) {
       const [objName, propName] = token.split('.');
       if (this.variables.has(objName)) {
@@ -2591,8 +2551,7 @@ export class CppCodeExecutor {
         }
       }
     }
-    
+
-    // 游戏API调用
     if (token.includes('player_data(')) {
       const match = token.match(/player_data\s*\(\s*"(.+?)"\s*\)/);
       if (match) return window.cppGameAPI.player_data(match[1]);
@@ -2604,7 +2563,7 @@ export class CppCodeExecutor {
     if (token.includes('vehicle_position()')) {
       return window.cppGameAPI.vehicle_position();
     }
-    
+
     debugLog(`⚠️ 无法解析标记: ${token}`);
     return 0;
   }

scratch-gui/src/playground/ai.ejs

@@ -1302,6 +1302,12 @@
               <span class="nav__pillAIText">灵丌AI</span>
             </span>
           </div>
+          <div class="nav-link-group">
+            <a class="nav-link" href="/competition_list.html">赛事详情</a>
+          </div>
+          <div class="nav-link-group">
+            <a class="nav-link" href="/aboutus.html">关于我们</a>
+          </div>
         </div>
         <div class="navbar-right">
           <a class="navbar-link" id="open-personal-info" href="javascript:void(0);">个人信息</a>
@@ -1792,6 +1798,17 @@
         return !!localStorage.getItem('access_token');
       }
 
+      function getExplorerRole() {
+        var user = window.aiExplorerUserInfo || {};
+        return String(user.role || '').trim();
+      }
+
+      function isStudentRole() {
+        var role = getExplorerRole();
+        var lower = role.toLowerCase();
+        return lower === 'student' || role === '学生';
+      }
+
       function authHeaders() {
         var headers = { 'Content-Type': 'application/json' };
         var token = localStorage.getItem('access_token');
@@ -1894,13 +1911,16 @@
           var goBtnHtml = showGoBtn
             ? '<button type="button" class="classes-modal__go-btn" data-class-id="' + id + '">' + escapeHtml(actionLabel) + '</button>'
             : '';
+          var countHtml = isStudentRole()
+            ? ''
+            : '<span class="classes-modal__count">' + count + ' 人</span>';
           return '<div class="classes-modal__item" data-class-id="' + id + '">' +
             '<div class="classes-modal__main">' +
               '<div class="classes-modal__name">' + name + '</div>' +
               '<div class="classes-modal__meta">年级：' + grade + '</div>' +
             '</div>' +
             '<div class="classes-modal__aside">' +
-              '<span class="classes-modal__count">' + count + ' 人</span>' +
+              countHtml +
               goBtnHtml +
             '</div>' +
           '</div>';

scratch-gui/src/playground/config.js

@@ -160,7 +160,7 @@ const CONFIG = {
     // DataServerBaseUrl: "https://test-service.001code.cn",  // 在这里定义服务器地址
     // DataServerBaseUrl: "https://test-service.001code.cn",  // 在这里定义服务器地址
     // DataServerBaseUrl: "https://test-service.001code.cn",
-    DataServerBaseUrl: "https://test-service.001code.cn",
+    DataServerBaseUrl: "https://service.001code.cn",
     // DataServerBaseUrl: "https://test-service.001code.cn",
     // DataServerBaseUrl: "https://test-service.001code.cn",
 

scratch-gui/src/playground/course-detail.ejs

@@ -286,10 +286,20 @@
     }
     .toc-item__title {
       font-size: 13px; font-weight: 600; color: #0b1a4a; line-height: 1.35;
+      display: flex; align-items: flex-start; gap: 6px;
+    }
+    .toc-item__num {
+      flex-shrink: 0; min-width: 1.15em;
+      font-variant-numeric: tabular-nums; font-weight: 800; color: #0003FF;
+    }
+    .toc-item__name {
+      flex: 1; min-width: 0;
       display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
     }
     .toc-item.is-active .toc-item__title { color: #0003FF; }
+    .toc-item.is-active .toc-item__num { color: #0003FF; }
     .toc-item.is-locked .toc-item__title { color: #64748b; font-weight: 500; }
+    .toc-item.is-locked .toc-item__num { color: #94a3b8; font-weight: 700; }
     .toc-item__meta {
       margin-top: 2px; font-size: 11px; color: #94a3b8;
       display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
@@ -960,9 +970,13 @@
     function mapCourseware(cw, source, groupTitle) {
       // 预览与去上课都尊重接口 is_locked；进度条仅在有 class_id 时展示，互不影响
       var locked = cw.is_locked === true;
+      var sortOrder = Number(cw.sort_order);
+      if (!isFinite(sortOrder)) sortOrder = 0;
       return {
         id: cw.id,
         title: cw.name || '未命名课件',
+        displayIndex: sortOrder + 1,
+        sortOrder: sortOrder,
         type: String(cw.format || 'html').toLowerCase(),
         typeLabel: cw.format_display || cw.format || '课件',
         duration: cw.duration_minutes ? (cw.duration_minutes + '分钟') : '',
@@ -980,62 +994,91 @@
       return (topics || []).filter(function(t) { return !t.isLocked; }).length;
     }
 
-    function buildChapters(category, source) {
+    function sortCoursewares(coursewares) {
-      var coursewares = Array.isArray(category.coursewares) ? category.coursewares.slice() : [];
+      return (coursewares || []).slice().sort(function(a, b) {
-      coursewares.sort(function(a, b) {
         return (Number(a.sort_order) || 0) - (Number(b.sort_order) || 0);
       });
-      var groups = Array.isArray(category.groups) ? category.groups.slice() : [];
+    }
-      var chapters = [];
 
-      if (groups.length) {
+    function collectCoursewares(container) {
-        chapters = groups.map(function(g, idx) {
+      if (!container) return [];
-          var gName = g.group_name || ('分组' + (idx + 1));
+      if (Array.isArray(container.coursewares) && container.coursewares.length) {
-          var topics = coursewares.filter(function(cw) {
+        return container.coursewares.slice();
-            return String(cw.group_name || '') === String(g.group_name || '');
+      }
-          }).map(function(cw) { return mapCourseware(cw, source, gName); });
+      var list = [];
-          // 始终按课件实际锁定状态统计，避免 groups.unlocked_count 与课件列表不一致
+      if (Array.isArray(container.groups)) {
-          return {
+        container.groups.forEach(function(g) {
-            id: idx + 1,
+          if (Array.isArray(g.coursewares)) {
-            title: gName,
+            g.coursewares.forEach(function(cw) { list.push(cw); });
-            count: topics.length || Number(g.course_count) || 0,
+          }
-            unlocked: countUnlockedTopics(topics),
-            topics: topics
-          };
         });
+      }
+      return list;
+    }
 
-        var groupedNames = {};
+    function chapterFromCoursewares(coursewares, opts) {
-        groups.forEach(function(g) { groupedNames[String(g.group_name || '')] = true; });
+      var title = opts.title || '课件列表';
-        var orphans = coursewares.filter(function(cw) {
+      var topics = sortCoursewares(coursewares).map(function(cw) {
-          var gn = String(cw.group_name || '');
+        return mapCourseware(cw, opts.source, title);
-          return !Object.prototype.hasOwnProperty.call(groupedNames, gn);
+      });
+      return {
+        id: opts.id,
+        indexLabel: opts.indexLabel != null ? opts.indexLabel : opts.id,
+        title: title,
+        intro: opts.intro || '',
+        count: topics.length,
+        unlocked: countUnlockedTopics(topics),
+        topics: topics
+      };
+    }
+
+    function buildChapters(category, source) {
+      var semesters = Array.isArray(category.semesters) ? category.semesters.slice() : [];
+      if (semesters.length) {
+        semesters.sort(function(a, b) {
+          return (Number(a.sort_order) || 0) - (Number(b.sort_order) || 0);
         });
-        if (orphans.length) {
+        return semesters.map(function(sem, idx) {
-          var orphanTopics = orphans.map(function(cw) {
+          var title = String(sem.name || '').trim() || ('第' + (idx + 1) + '学期');
-            return mapCourseware(cw, source, '其他课件');
+          return chapterFromCoursewares(collectCoursewares(sem), {
+            source: source,
+            id: sem.id != null ? sem.id : (idx + 1),
+            indexLabel: Number(sem.sort_order) || (idx + 1),
+            title: title,
+            intro: sem.intro || ''
           });
-          chapters.push({
-            id: chapters.length + 1,
-            title: '其他课件',
-            count: orphanTopics.length,
-            unlocked: countUnlockedTopics(orphanTopics),
-            topics: orphanTopics
-          });
-        }
-      } else {
-        var topics = coursewares.map(function(cw) {
-          return mapCourseware(cw, source, category.name || courseName);
         });
-        chapters = [{
-          id: 1,
-          title: category.name || courseName || '课件列表',
-          count: topics.length,
-          unlocked: countUnlockedTopics(topics),
-          topics: topics
-        }];
       }
 
-      return chapters;
+      var coursewares = collectCoursewares(category);
+      var groups = Array.isArray(category.groups) ? category.groups.slice() : [];
+      var namedGroups = groups.filter(function(g) {
+        return String(g.group_name || '').trim();
+      });
+
+      if (namedGroups.length) {
+        return namedGroups.map(function(g, idx) {
+          var gName = String(g.group_name || '').trim();
+          var list = Array.isArray(g.coursewares) && g.coursewares.length
+            ? g.coursewares
+            : coursewares.filter(function(cw) {
+                return String(cw.group_name || '') === String(g.group_name || '');
+              });
+          return chapterFromCoursewares(list, {
+            source: source,
+            id: idx + 1,
+            indexLabel: idx + 1,
+            title: gName
+          });
+        });
+      }
+
+      return [chapterFromCoursewares(coursewares, {
+        source: source,
+        id: 1,
+        indexLabel: 1,
+        title: category.name || courseName || '课件列表'
+      })];
     }
 
     function flattenLessons(chapters) {
@@ -1093,7 +1136,7 @@
         return;
       }
 
-      stageTitle.textContent = lesson.title;
+      stageTitle.textContent = (lesson.displayIndex != null ? (lesson.displayIndex + '. ') : '') + lesson.title;
       var metaParts = [];
       if (lesson.groupTitle) metaParts.push(lesson.groupTitle);
       if (lesson.typeLabel) metaParts.push(lesson.typeLabel);
@@ -1143,6 +1186,12 @@
       document.getElementById('stageFrame').removeAttribute('src');
     }
 
+    function resetLockControl(btn) {
+      if (!btn) return;
+      btn.classList.remove('is-loading');
+      btn.disabled = false;
+    }
+
     function syncLockedPanel(lesson) {
       var desc = document.getElementById('stageLockedDesc');
       var unlockBtn = document.getElementById('stageUnlockBtn');
@@ -1153,6 +1202,8 @@
           : '请联系老师解锁相关内容。';
       }
       if (!unlockBtn) return;
+      // 大按钮是常驻 DOM，上次解锁会留下 disabled，切到下一课未解锁课件时必须复位
+      resetLockControl(unlockBtn);
       if (teacherCanUnlock) {
         unlockBtn.classList.add('is-visible');
         unlockBtn.setAttribute('data-id', String(lesson.id));
@@ -1328,15 +1379,16 @@
       var keepLessonId = opts.keepLessonId != null ? opts.keepLessonId : currentLessonId;
 
       listEl.innerHTML = chaptersCache.map(function(ch, idx) {
-        var allUnlocked = ch.topics.length > 0 && ch.topics.every(function(t) { return !t.isLocked; });
+        var topics = ch.topics || [];
+        var allUnlocked = topics.length > 0 && topics.every(function(t) { return !t.isLocked; });
         var isOpen = opts.preserveOpen
           ? openGroupIds.indexOf(String(ch.id)) !== -1
           : idx === 0;
         if (!opts.preserveOpen && keepLessonId) {
-          var hasKeep = ch.topics.some(function(t) { return String(t.id) === String(keepLessonId); });
+          var hasKeep = topics.some(function(t) { return String(t.id) === String(keepLessonId); });
           if (hasKeep) isOpen = true;
         }
-        var items = ch.topics.map(function(t) {
+        var items = topics.map(function(t) {
           var tagClass = 'toc-item__tag--' + (t.status || 'doing');
           var meta = escapeHtml(t.typeLabel || t.type || '课件');
           if (t.duration) meta += ' · ' + escapeHtml(t.duration);
@@ -1354,7 +1406,10 @@
           return '<div class="' + itemClass + '" data-id="' + t.id + '" role="button" tabindex="0"' + itemTitle + '>' +
             '<div class="toc-item__icon"><img src="../images/aigc/icon_book.png" alt="" /></div>' +
             '<div class="toc-item__body">' +
-              '<div class="toc-item__title">' + escapeHtml(t.title) + '</div>' +
+              '<div class="toc-item__title">' +
+                '<span class="toc-item__num">' + escapeHtml(String(t.displayIndex != null ? t.displayIndex : '')) + '</span>' +
+                '<span class="toc-item__name">' + escapeHtml(t.title) + '</span>' +
+              '</div>' +
               '<div class="toc-item__meta">' +
                 '<span>' + meta + '</span>' +
                 '<span class="toc-item__tag ' + tagClass + '">' + escapeHtml(statusLabels[t.status] || '') + '</span>' +
@@ -1370,7 +1425,7 @@
           : '';
         return '<div class="toc-group' + (isOpen ? ' is-open' : '') + '" data-group-id="' + ch.id + '">' +
           '<button type="button" class="toc-group__head" data-toggle-group="' + ch.id + '">' +
-            '<span class="toc-group__idx' + (allUnlocked ? ' is-done' : '') + '">' + (allUnlocked ? '✓' : ch.id) + '</span>' +
+            '<span class="toc-group__idx' + (allUnlocked ? ' is-done' : '') + '">' + (allUnlocked ? '✓' : escapeHtml(String(ch.indexLabel || ch.id))) + '</span>' +
             '<span class="toc-group__meta">' +
               '<div class="toc-group__name">' + escapeHtml(ch.title) + '</div>' +
               unlockCountHtml +
@@ -1471,10 +1526,8 @@
       } catch (error) {
         console.error('[course-detail] toggle lock failed', error);
         showToast((error && error.message) || '锁定状态切换失败', 'error');
-        if (btn) {
+      } finally {
-          btn.classList.remove('is-loading');
+        resetLockControl(btn);
-          btn.disabled = false;
-        }
       }
     }
 
@@ -1500,7 +1553,10 @@
         if (!response.ok || (result && result.success === false)) {
           throw new Error((result && result.message) || ('HTTP ' + response.status));
         }
-        var data = (result && result.data) || {};
+        var data = result || {};
+        if (data.data && (Array.isArray(data.data.categories) || data.data.source)) {
+          data = data.data;
+        }
         courseSource = data.source || (classId ? 'class' : 'all');
         var categories = Array.isArray(data.categories) ? data.categories : [];
         var category = categories[0] || null;

scratch-gui/src/playground/home.ejs

@@ -1493,13 +1493,6 @@ top: 2032px; */
 </style>
 
 <body>
-  <script>
-    // 首页默认清除登录态，避免访客页残留 token
-    try {
-      localStorage.removeItem('access_token');
-      localStorage.removeItem('refresh_token');
-    } catch (e) {}
-  </script>
   <header class="nav">
     <div class="nav__inner">
       <img class="nav__logo" src="../images/logo.svg" alt="001CODE" />