fix: 修复分享模式进入主线冲突的 bug

assets/prefabs/PageHome.ts

@@ -7,6 +7,7 @@ import { ToastManager } from 'db://assets/scripts/utils/ToastManager';
 import { StaminaInfo } from 'db://assets/scripts/types/ApiTypes';
 import { AuthManager } from 'db://assets/scripts/utils/AuthManager';
 import { AchievementTitleManager } from 'db://assets/scripts/utils/AchievementTitleManager';
+import { ShareManager } from 'db://assets/scripts/utils/ShareManager';
 const { ccclass, property } = _decorator;
 
 /**
@@ -110,15 +111,23 @@ export class PageHome extends BaseView {
             return;
         }
 
+        // 兜底：清空可能残留的好友分享挑战状态，确保进入的是纯主线挑战
+        // 场景：用户从微信好友分享卡片进入挑战 → 退出回首页 → 再次点击开始游戏
+        // 若不清理，缓存的 PageLevel 仍会读到 ShareManager 的分享态数据
+        if (ShareManager.instance.isShareMode) {
+            console.log('[PageHome] 检测到残留的分享挑战状态，清理后再进入主线挑战');
+            ShareManager.instance.clearShareMode();
+        }
+
         this._isAnimating = true;
         this._playStaminaCostAnimation()
             .then(() => {
-                ViewManager.instance.open('PageLevel');
+                ViewManager.instance.open('PageLevel', { params: { shareMode: false } });
             })
             .catch(err => {
                 console.error('[PageHome] 体力消耗动画异常:', err);
                 // 异常兜底：直接进入关卡
-                ViewManager.instance.open('PageLevel');
+                ViewManager.instance.open('PageLevel', { params: { shareMode: false } });
             })
             .finally(() => {
                 this._isAnimating = false;