diff --git a/Appbuild/pages/index/index.vue b/Appbuild/pages/index/index.vue
index 6be33682..2802f6bc 100644
--- a/Appbuild/pages/index/index.vue
+++ b/Appbuild/pages/index/index.vue
@@ -44,7 +44,11 @@ export default {
 			backButtonCount: 0,
 			backButtonTimer: null,
 			canExit: false,
-			lastBackTime: 0
+			lastBackTime: 0,
+			// 返回键状态管理
+			iframeCanGoBack: false,
+			backTimeoutId: null,
+			isProcessingBack: false
 		}
 	},
 	onLoad() {
@@ -231,6 +235,10 @@ export default {
 							console.log('UniApp桥接: 处理返回键', action);
 							
 							switch(action) {
+								case 'tryBack':
+									// 尝试iframe内部返回
+									this.tryIframeBack();
+									break;
 								case 'showExitConfirm':
 									// 在 web-view 内显示退出确认
 									if (confirm('确定要退出应用吗？')) {
@@ -244,6 +252,35 @@ export default {
 							}
 						},
 						
+						// 尝试iframe内部返回
+						tryIframeBack: function() {
+							console.log('UniApp桥接: 尝试iframe内部返回');
+							
+							try {
+								// 检查是否可以返回
+								if (window.history && window.history.length > 1) {
+									console.log('iframe可以返回，执行返回操作');
+									window.history.back();
+									
+									// 通知UniApp返回成功
+									this.postMessage('backSuccess', { canGoBack: true });
+								} else {
+									console.log('iframe无法返回，通知UniApp');
+									this.postMessage('backFailed', { 
+										canGoBack: false, 
+										reason: 'no_history' 
+									});
+								}
+							} catch (error) {
+								console.error('iframe返回操作失败:', error);
+								this.postMessage('backFailed', { 
+									canGoBack: false, 
+									reason: 'error', 
+									error: error.message 
+								});
+							}
+						},
+						
 						// 监听返回键事件
 						listenBackButton: function() {
 							// 监听浏览器的后退事件
@@ -259,6 +296,38 @@ export default {
 									this.postMessage('backButton', { action: 'keydown' });
 								}
 							});
+							
+							// 监听页面可见性变化
+							document.addEventListener('visibilitychange', (event) => {
+								console.log('UniApp桥接: 页面可见性变化', document.hidden);
+								if (!document.hidden) {
+									// 页面重新可见时，检查是否可以返回
+									this.checkBackStatus();
+								}
+							});
+							
+							// 监听页面加载完成
+							window.addEventListener('load', (event) => {
+								console.log('UniApp桥接: 页面加载完成');
+								this.checkBackStatus();
+							});
+						},
+						
+						// 检查返回状态
+						checkBackStatus: function() {
+							try {
+								const canGoBack = window.history && window.history.length > 1;
+								console.log('UniApp桥接: 检查返回状态, canGoBack:', canGoBack);
+								
+								// 通知UniApp当前返回状态
+								this.postMessage('backStatus', { 
+									canGoBack: canGoBack,
+									historyLength: window.history ? window.history.length : 0,
+									currentUrl: window.location.href
+								});
+							} catch (error) {
+								console.error('UniApp桥接: 检查返回状态失败:', error);
+							}
 						}
 					};
 					
@@ -455,6 +524,18 @@ export default {
 					console.log('UniApp: 处理返回键消息');
 					this.handleBackButtonMessage(data);
 					break;
+				case 'backSuccess':
+					console.log('UniApp: 处理iframe返回成功消息');
+					this.handleBackSuccess(data);
+					break;
+				case 'backFailed':
+					console.log('UniApp: 处理iframe返回失败消息');
+					this.handleBackFailed(data);
+					break;
+				case 'backStatus':
+					console.log('UniApp: 处理iframe返回状态消息');
+					this.handleBackStatus(data);
+					break;
 				case 'exitApp':
 					console.log('UniApp: 处理退出应用消息');
 					this.handleExitApp();
@@ -761,7 +842,7 @@ export default {
 			const now = Date.now();
 			const timeDiff = now - this.lastBackTime;
 
-			console.log('处理返回键事件, 时间差:', timeDiff, 'ms');
+			console.log('处理返回键事件, 时间差:', timeDiff, 'ms, iframeCanGoBack:', this.iframeCanGoBack);
 
 			// 重置计数器
 			if (timeDiff > 2000) {
@@ -771,9 +852,21 @@ export default {
 			this.backButtonCount++;
 			this.lastBackTime = now;
 
+			// 如果正在处理返回，忽略新的返回键
+			if (this.isProcessingBack) {
+				console.log('正在处理返回，忽略新的返回键');
+				return;
+			}
+
 			// 第一次按返回键
 			if (this.backButtonCount === 1) {
-				this.showExitConfirm();
+				// 如果iframe可以返回，先尝试iframe返回
+				if (this.iframeCanGoBack) {
+					this.tryIframeBack();
+				} else {
+					// 如果iframe不能返回，直接显示退出确认
+					this.showExitConfirm();
+				}
 			}
 			// 第二次按返回键，直接退出
 			else if (this.backButtonCount >= 2) {
@@ -781,6 +874,63 @@ export default {
 			}
 		},
 
+		// 尝试iframe内部返回
+		tryIframeBack() {
+			console.log('尝试iframe内部返回');
+
+			// 设置处理状态
+			this.isProcessingBack = true;
+
+			// 清除之前的超时
+			if (this.backTimeoutId) {
+				clearTimeout(this.backTimeoutId);
+			}
+
+			// 方法1: 通过桥接发送返回消息到iframe
+			this.sendBackButtonMessage('tryBack');
+
+			// 方法2: 直接执行JavaScript尝试返回
+			this.evalJS(`
+				try {
+					// 检查是否可以返回
+					if (window.history && window.history.length > 1) {
+						console.log('iframe可以返回，执行返回操作');
+						window.history.back();
+						
+						// 通知UniApp返回成功
+						window.parent.postMessage({
+							type: 'backSuccess',
+							data: { canGoBack: true },
+							timestamp: Date.now()
+						}, '*');
+					} else {
+						console.log('iframe无法返回，通知UniApp');
+						window.parent.postMessage({
+							type: 'backFailed',
+							data: { canGoBack: false, reason: 'no_history' },
+							timestamp: Date.now()
+						}, '*');
+					}
+				} catch (error) {
+					console.error('iframe返回操作失败:', error);
+					window.parent.postMessage({
+						type: 'backFailed',
+						data: { canGoBack: false, reason: 'error', error: error.message },
+						timestamp: Date.now()
+					}, '*');
+				}
+			`);
+
+			// 设置超时，如果iframe没有响应，则显示退出确认
+			this.backTimeoutId = setTimeout(() => {
+				if (this.backButtonCount === 1 && this.isProcessingBack) {
+					console.log('iframe返回超时，显示退出确认');
+					this.isProcessingBack = false;
+					this.showExitConfirm();
+				}
+			}, 1500); // 1.5秒超时
+		},
+
 		// 显示退出确认
 		showExitConfirm() {
 			console.log('显示退出确认');
@@ -864,6 +1014,46 @@ export default {
 			// #endif
 		},
 
+		// 处理iframe返回成功消息
+		handleBackSuccess(data) {
+			console.log('处理iframe返回成功消息:', data);
+			this.isProcessingBack = false;
+			this.iframeCanGoBack = true;
+			this.backButtonCount = 0; // 重置返回键计数
+			this.lastBackTime = 0; // 重置最后按下时间
+
+			// 清除超时
+			if (this.backTimeoutId) {
+				clearTimeout(this.backTimeoutId);
+				this.backTimeoutId = null;
+			}
+		},
+
+		// 处理iframe返回失败消息
+		handleBackFailed(data) {
+			console.log('处理iframe返回失败消息:', data);
+			this.isProcessingBack = false;
+			this.iframeCanGoBack = false;
+			this.backButtonCount = 0; // 重置返回键计数
+			this.lastBackTime = 0; // 重置最后按下时间
+
+			// 清除超时
+			if (this.backTimeoutId) {
+				clearTimeout(this.backTimeoutId);
+				this.backTimeoutId = null;
+			}
+
+			// 显示退出确认
+			this.showExitConfirm();
+		},
+
+		// 处理iframe返回状态消息
+		handleBackStatus(data) {
+			console.log('处理iframe返回状态消息:', data);
+			this.iframeCanGoBack = data.data.canGoBack;
+			console.log('更新iframe返回状态:', this.iframeCanGoBack);
+		},
+
 		// 恢复返回键监听
 		resumeBackButtonListener() {
 			console.log('恢复返回键监听');
@@ -905,6 +1095,10 @@ export default {
 			if (this.loadingTimer) {
 				clearTimeout(this.loadingTimer);
 			}
+			if (this.backTimeoutId) {
+				clearTimeout(this.backTimeoutId);
+				this.backTimeoutId = null;
+			}
 			this.removeBackButtonListener();
 		}
 	}
diff --git a/Appbuild/unpackage/dist/dev/app-plus/app-service.js b/Appbuild/unpackage/dist/dev/app-plus/app-service.js
index a4399776..91c6a5b3 100644
--- a/Appbuild/unpackage/dist/dev/app-plus/app-service.js
+++ b/Appbuild/unpackage/dist/dev/app-plus/app-service.js
@@ -122,7 +122,11 @@ if (uni.restoreGlobal) {
         backButtonCount: 0,
         backButtonTimer: null,
         canExit: false,
-        lastBackTime: 0
+        lastBackTime: 0,
+        // 返回键状态管理
+        iframeCanGoBack: false,
+        backTimeoutId: null,
+        isProcessingBack: false
       };
     },
     onLoad() {
@@ -134,7 +138,7 @@ if (uni.restoreGlobal) {
       this.resumeBackButtonListener();
     },
     onHide() {
-      formatAppLog("log", "at pages/index/index.vue:59", "WebView页面隐藏");
+      formatAppLog("log", "at pages/index/index.vue:63", "WebView页面隐藏");
       this.pauseBackButtonListener();
     },
     onUnload() {
@@ -144,7 +148,7 @@ if (uni.restoreGlobal) {
     methods: {
       // 获取初始URL
       getInitialUrl() {
-        formatAppLog("log", "at pages/index/index.vue:70", "获取初始URL，config:", this.config);
+        formatAppLog("log", "at pages/index/index.vue:74", "获取初始URL，config:", this.config);
         if (this.config && this.config.appConfig && this.config.appConfig.useTestPage) {
           return this.config.webConfig.testUrl;
         }
@@ -152,12 +156,12 @@ if (uni.restoreGlobal) {
       },
       // 初始化应用
       initApp() {
-        formatAppLog("log", "at pages/index/index.vue:79", "UniApp: 开始初始化应用");
+        formatAppLog("log", "at pages/index/index.vue:83", "UniApp: 开始初始化应用");
         this.currentUrl = this.getInitialUrl();
-        formatAppLog("log", "at pages/index/index.vue:82", "UniApp: 设置URL:", this.currentUrl);
+        formatAppLog("log", "at pages/index/index.vue:86", "UniApp: 设置URL:", this.currentUrl);
         this.setupLoadingTimeout();
         this.initMessageHandler();
-        formatAppLog("log", "at pages/index/index.vue:88", "UniApp: 立即注入桥接代码");
+        formatAppLog("log", "at pages/index/index.vue:92", "UniApp: 立即注入桥接代码");
         this.injectBridgeCode();
       },
       // 设置加载超时
@@ -166,14 +170,14 @@ if (uni.restoreGlobal) {
           clearTimeout(this.loadingTimer);
         }
         if (!this.config.appConfig.enableTimeout) {
-          formatAppLog("log", "at pages/index/index.vue:101", "超时检测已禁用");
+          formatAppLog("log", "at pages/index/index.vue:105", "超时检测已禁用");
           return;
         }
         if (this.config.appConfig.loadingTimeout > 0) {
-          formatAppLog("log", "at pages/index/index.vue:106", "设置加载超时:", this.config.appConfig.loadingTimeout + "ms");
+          formatAppLog("log", "at pages/index/index.vue:110", "设置加载超时:", this.config.appConfig.loadingTimeout + "ms");
           this.loadingTimer = setTimeout(() => {
             if (this.loading) {
-              formatAppLog("warn", "at pages/index/index.vue:109", "页面加载超时，当前状态:", this.loading);
+              formatAppLog("warn", "at pages/index/index.vue:113", "页面加载超时，当前状态:", this.loading);
               this.handleTimeout();
             }
           }, this.config.appConfig.loadingTimeout);
@@ -181,7 +185,7 @@ if (uni.restoreGlobal) {
       },
       // 处理加载超时
       handleTimeout() {
-        formatAppLog("warn", "at pages/index/index.vue:118", "触发页面加载超时处理");
+        formatAppLog("warn", "at pages/index/index.vue:122", "触发页面加载超时处理");
         this.error = "页面加载超时，请检查网络连接";
         this.loading = false;
         if (this.loadingTimer) {
@@ -191,9 +195,9 @@ if (uni.restoreGlobal) {
       },
       // 初始化消息处理器
       initMessageHandler() {
-        formatAppLog("log", "at pages/index/index.vue:130", "UniApp: 初始化消息处理器");
+        formatAppLog("log", "at pages/index/index.vue:134", "UniApp: 初始化消息处理器");
         window.addEventListener("message", (event) => {
-          formatAppLog("log", "at pages/index/index.vue:133", "UniApp: 收到window.message事件:", event.data);
+          formatAppLog("log", "at pages/index/index.vue:137", "UniApp: 收到window.message事件:", event.data);
           this.handleIframeMessage(event);
         });
       },
@@ -203,21 +207,21 @@ if (uni.restoreGlobal) {
       },
       // 注入桥接代码
       injectBridgeCode() {
-        formatAppLog("log", "at pages/index/index.vue:146", "UniApp: 开始注入桥接代码");
+        formatAppLog("log", "at pages/index/index.vue:150", "UniApp: 开始注入桥接代码");
         const bridgeCode = `
 					// UniApp WebView 桥接代码
-					__f__('log','at pages/index/index.vue:150','开始注入UniApp桥接代码...');
+					__f__('log','at pages/index/index.vue:154','开始注入UniApp桥接代码...');
 					
 					// 检查是否已经存在桥接
 					if (window.uniAppBridge) {
-						__f__('log','at pages/index/index.vue:154','UniApp桥接已存在，跳过注入');
+						__f__('log','at pages/index/index.vue:158','UniApp桥接已存在，跳过注入');
 						return;
 					}
 					
 					window.uniAppBridge = {
 						// 发送消息到UniApp
 						postMessage: function(type, data) {
-							__f__('log','at pages/index/index.vue:161','UniApp桥接发送消息:', type, data);
+							__f__('log','at pages/index/index.vue:165','UniApp桥接发送消息:', type, data);
 							window.parent.postMessage({
 								type: type,
 								data: data,
@@ -227,69 +231,73 @@ if (uni.restoreGlobal) {
 						
 						// 获取用户信息
 						getUserInfo: function() {
-							__f__('log','at pages/index/index.vue:171','UniApp桥接: 请求用户信息');
+							__f__('log','at pages/index/index.vue:175','UniApp桥接: 请求用户信息');
 							this.postMessage('getUserInfo', {});
 						},
 						
 						// 获取设备信息
 						getDeviceInfo: function() {
-							__f__('log','at pages/index/index.vue:177','UniApp桥接: 请求设备信息');
+							__f__('log','at pages/index/index.vue:181','UniApp桥接: 请求设备信息');
 							this.postMessage('getDeviceInfo', {});
 						},
 						
 						// 显示Toast
 						showToast: function(message, duration = 2000) {
-							__f__('log','at pages/index/index.vue:183','UniApp桥接: 显示Toast', message, duration);
+							__f__('log','at pages/index/index.vue:187','UniApp桥接: 显示Toast', message, duration);
 							this.postMessage('toast', { message, duration });
 						},
 						
 						// 显示Alert
 						showAlert: function(title, content) {
-							__f__('log','at pages/index/index.vue:189','UniApp桥接: 显示Alert', title, content);
+							__f__('log','at pages/index/index.vue:193','UniApp桥接: 显示Alert', title, content);
 							this.postMessage('alert', { title, content });
 						},
 						
 						// 显示Confirm
 						showConfirm: function(title, content) {
-							__f__('log','at pages/index/index.vue:195','UniApp桥接: 显示Confirm', title, content);
+							__f__('log','at pages/index/index.vue:199','UniApp桥接: 显示Confirm', title, content);
 							this.postMessage('confirm', { title, content });
 						},
 						
 						// 分享
 						share: function(data) {
-							__f__('log','at pages/index/index.vue:201','UniApp桥接: 分享', data);
+							__f__('log','at pages/index/index.vue:205','UniApp桥接: 分享', data);
 							this.postMessage('share', data);
 						},
 						
 						// 支付
 						payment: function(data) {
-							__f__('log','at pages/index/index.vue:207','UniApp桥接: 支付', data);
+							__f__('log','at pages/index/index.vue:211','UniApp桥接: 支付', data);
 							this.postMessage('payment', data);
 						},
 						
 						// 页面导航
 						navigate: function(url) {
-							__f__('log','at pages/index/index.vue:213','UniApp桥接: 导航', url);
+							__f__('log','at pages/index/index.vue:217','UniApp桥接: 导航', url);
 							this.postMessage('navigate', { url });
 						},
 						
 						// 自定义消息
 						sendCustomMessage: function(type, data) {
-							__f__('log','at pages/index/index.vue:219','UniApp桥接: 自定义消息', type, data);
+							__f__('log','at pages/index/index.vue:223','UniApp桥接: 自定义消息', type, data);
 							this.postMessage(type, data);
 						},
 						
 						// 页面准备就绪
 						notifyPageReady: function(data) {
-							__f__('log','at pages/index/index.vue:225','UniApp桥接: 页面准备就绪', data);
+							__f__('log','at pages/index/index.vue:229','UniApp桥接: 页面准备就绪', data);
 							this.postMessage('pageReady', data);
 						},
 						
 						// 处理返回键
 						handleBackButton: function(action) {
-							__f__('log','at pages/index/index.vue:231','UniApp桥接: 处理返回键', action);
+							__f__('log','at pages/index/index.vue:235','UniApp桥接: 处理返回键', action);
 							
 							switch(action) {
+								case 'tryBack':
+									// 尝试iframe内部返回
+									this.tryIframeBack();
+									break;
 								case 'showExitConfirm':
 									// 在 web-view 内显示退出确认
 									if (confirm('确定要退出应用吗？')) {
@@ -303,27 +311,88 @@ if (uni.restoreGlobal) {
 							}
 						},
 						
+						// 尝试iframe内部返回
+						tryIframeBack: function() {
+							__f__('log','at pages/index/index.vue:257','UniApp桥接: 尝试iframe内部返回');
+							
+							try {
+								// 检查是否可以返回
+								if (window.history && window.history.length > 1) {
+									__f__('log','at pages/index/index.vue:262','iframe可以返回，执行返回操作');
+									window.history.back();
+									
+									// 通知UniApp返回成功
+									this.postMessage('backSuccess', { canGoBack: true });
+								} else {
+									__f__('log','at pages/index/index.vue:268','iframe无法返回，通知UniApp');
+									this.postMessage('backFailed', { 
+										canGoBack: false, 
+										reason: 'no_history' 
+									});
+								}
+							} catch (error) {
+								__f__('error','at pages/index/index.vue:275','iframe返回操作失败:', error);
+								this.postMessage('backFailed', { 
+									canGoBack: false, 
+									reason: 'error', 
+									error: error.message 
+								});
+							}
+						},
+						
 						// 监听返回键事件
 						listenBackButton: function() {
 							// 监听浏览器的后退事件
 							window.addEventListener('popstate', (event) => {
-								__f__('log','at pages/index/index.vue:251','UniApp桥接: 检测到 popstate 事件');
+								__f__('log','at pages/index/index.vue:288','UniApp桥接: 检测到 popstate 事件');
 								this.postMessage('backButton', { action: 'popstate' });
 							});
 							
 							// 监听键盘事件
 							document.addEventListener('keydown', (event) => {
 								if (event.key === 'Backspace' || event.keyCode === 8) {
-									__f__('log','at pages/index/index.vue:258','UniApp桥接: 检测到返回键');
+									__f__('log','at pages/index/index.vue:295','UniApp桥接: 检测到返回键');
 									this.postMessage('backButton', { action: 'keydown' });
 								}
 							});
+							
+							// 监听页面可见性变化
+							document.addEventListener('visibilitychange', (event) => {
+								__f__('log','at pages/index/index.vue:302','UniApp桥接: 页面可见性变化', document.hidden);
+								if (!document.hidden) {
+									// 页面重新可见时，检查是否可以返回
+									this.checkBackStatus();
+								}
+							});
+							
+							// 监听页面加载完成
+							window.addEventListener('load', (event) => {
+								__f__('log','at pages/index/index.vue:311','UniApp桥接: 页面加载完成');
+								this.checkBackStatus();
+							});
+						},
+						
+						// 检查返回状态
+						checkBackStatus: function() {
+							try {
+								const canGoBack = window.history && window.history.length > 1;
+								__f__('log','at pages/index/index.vue:320','UniApp桥接: 检查返回状态, canGoBack:', canGoBack);
+								
+								// 通知UniApp当前返回状态
+								this.postMessage('backStatus', { 
+									canGoBack: canGoBack,
+									historyLength: window.history ? window.history.length : 0,
+									currentUrl: window.location.href
+								});
+							} catch (error) {
+								__f__('error','at pages/index/index.vue:329','UniApp桥接: 检查返回状态失败:', error);
+							}
 						}
 					};
 					
 					// 监听来自UniApp的消息
 					window.addEventListener('message', function(event) {
-						__f__('log','at pages/index/index.vue:267','UniApp桥接收到消息:', event.data);
+						__f__('log','at pages/index/index.vue:336','UniApp桥接收到消息:', event.data);
 						if (event.data && event.data.type) {
 							// 触发自定义事件
 							const customEvent = new CustomEvent('uniAppMessage', {
@@ -333,7 +402,7 @@ if (uni.restoreGlobal) {
 						}
 					});
 					
-					__f__('log','at pages/index/index.vue:277','UniApp桥接代码注入成功');
+					__f__('log','at pages/index/index.vue:346','UniApp桥接代码注入成功');
 					
 					// 通知UniApp页面已加载完成
 					window.parent.postMessage({
@@ -345,47 +414,47 @@ if (uni.restoreGlobal) {
 					// 初始化返回键监听
 					window.uniAppBridge.listenBackButton();
 				`;
-        formatAppLog("log", "at pages/index/index.vue:291", "UniApp: 立即注入桥接代码");
+        formatAppLog("log", "at pages/index/index.vue:360", "UniApp: 立即注入桥接代码");
         this.evalJS(bridgeCode);
         setTimeout(() => {
-          formatAppLog("log", "at pages/index/index.vue:296", "UniApp: 延迟500ms后再次注入");
+          formatAppLog("log", "at pages/index/index.vue:365", "UniApp: 延迟500ms后再次注入");
           this.evalJS(bridgeCode);
         }, 500);
         setTimeout(() => {
-          formatAppLog("log", "at pages/index/index.vue:302", "UniApp: 延迟1000ms后备用注入");
+          formatAppLog("log", "at pages/index/index.vue:371", "UniApp: 延迟1000ms后备用注入");
           this.evalJS(bridgeCode);
         }, 1e3);
       },
       // 执行JavaScript代码
       evalJS(code) {
-        formatAppLog("log", "at pages/index/index.vue:309", "UniApp: 执行JavaScript代码");
-        formatAppLog("log", "at pages/index/index.vue:310", "UniApp: 当前平台:", uni.getSystemInfoSync().platform);
+        formatAppLog("log", "at pages/index/index.vue:378", "UniApp: 执行JavaScript代码");
+        formatAppLog("log", "at pages/index/index.vue:379", "UniApp: 当前平台:", uni.getSystemInfoSync().platform);
         const webview = this.$refs.webview;
-        formatAppLog("log", "at pages/index/index.vue:313", "UniApp: webview引用:", webview);
+        formatAppLog("log", "at pages/index/index.vue:382", "UniApp: webview引用:", webview);
         if (webview && webview.evalJS) {
           try {
             webview.evalJS(code);
-            formatAppLog("log", "at pages/index/index.vue:320", "UniApp: JavaScript代码执行成功 (App环境)");
+            formatAppLog("log", "at pages/index/index.vue:389", "UniApp: JavaScript代码执行成功 (App环境)");
           } catch (error) {
-            formatAppLog("error", "at pages/index/index.vue:322", "UniApp: JavaScript代码执行失败:", error);
+            formatAppLog("error", "at pages/index/index.vue:391", "UniApp: JavaScript代码执行失败:", error);
           }
         } else {
-          formatAppLog("warn", "at pages/index/index.vue:325", "UniApp: webview或evalJS方法不存在 (App环境)");
+          formatAppLog("warn", "at pages/index/index.vue:394", "UniApp: webview或evalJS方法不存在 (App环境)");
           this.tryAlternativeInjection(code);
         }
       },
       // 备用注入方案
       tryAlternativeInjection(code) {
-        formatAppLog("log", "at pages/index/index.vue:344", "UniApp: 尝试备用注入方案");
+        formatAppLog("log", "at pages/index/index.vue:413", "UniApp: 尝试备用注入方案");
         try {
           window.postMessage({
             type: "injectCode",
             data: { code },
             timestamp: Date.now()
           }, "*");
-          formatAppLog("log", "at pages/index/index.vue:352", "UniApp: 备用方案1执行成功");
+          formatAppLog("log", "at pages/index/index.vue:421", "UniApp: 备用方案1执行成功");
         } catch (error) {
-          formatAppLog("error", "at pages/index/index.vue:354", "UniApp: 备用方案1失败:", error);
+          formatAppLog("error", "at pages/index/index.vue:423", "UniApp: 备用方案1失败:", error);
           try {
             const webview = this.$refs.webview;
             if (webview && webview.postMessage) {
@@ -393,34 +462,34 @@ if (uni.restoreGlobal) {
                 type: "injectCode",
                 data: { code }
               });
-              formatAppLog("log", "at pages/index/index.vue:364", "UniApp: 备用方案2执行成功");
+              formatAppLog("log", "at pages/index/index.vue:433", "UniApp: 备用方案2执行成功");
             } else {
-              formatAppLog("error", "at pages/index/index.vue:366", "UniApp: 备用方案2失败 - webview.postMessage不存在");
+              formatAppLog("error", "at pages/index/index.vue:435", "UniApp: 备用方案2失败 - webview.postMessage不存在");
             }
           } catch (error2) {
-            formatAppLog("error", "at pages/index/index.vue:369", "UniApp: 备用方案2失败:", error2);
+            formatAppLog("error", "at pages/index/index.vue:438", "UniApp: 备用方案2失败:", error2);
           }
         }
       },
       // 处理web-view组件的消息
       handleMessage(event) {
-        formatAppLog("log", "at pages/index/index.vue:376", "收到web-view消息:", event.detail);
+        formatAppLog("log", "at pages/index/index.vue:445", "收到web-view消息:", event.detail);
         try {
           const data = event.detail.data;
           if (data && data.type) {
             this.processMessage(data);
           }
         } catch (error) {
-          formatAppLog("error", "at pages/index/index.vue:383", "处理消息失败:", error);
+          formatAppLog("error", "at pages/index/index.vue:452", "处理消息失败:", error);
         }
       },
       // 处理iframe消息
       handleIframeMessage(event) {
-        formatAppLog("log", "at pages/index/index.vue:389", "收到iframe消息:", event.data);
+        formatAppLog("log", "at pages/index/index.vue:458", "收到iframe消息:", event.data);
         try {
           if (event.data && event.data.type) {
             if (event.data.type === "pageLoaded") {
-              formatAppLog("log", "at pages/index/index.vue:394", "收到页面加载完成消息:", event.data.data);
+              formatAppLog("log", "at pages/index/index.vue:463", "收到页面加载完成消息:", event.data.data);
               if (this.loadingTimer) {
                 clearTimeout(this.loadingTimer);
                 this.loadingTimer = null;
@@ -432,63 +501,75 @@ if (uni.restoreGlobal) {
             this.processMessage(event.data);
           }
         } catch (error) {
-          formatAppLog("error", "at pages/index/index.vue:409", "处理iframe消息失败:", error);
+          formatAppLog("error", "at pages/index/index.vue:478", "处理iframe消息失败:", error);
         }
       },
       // 处理消息
       processMessage(data) {
-        formatAppLog("log", "at pages/index/index.vue:415", "UniApp处理消息:", data.type, data);
+        formatAppLog("log", "at pages/index/index.vue:484", "UniApp处理消息:", data.type, data);
         switch (data.type) {
           case this.config.communication.messageTypes.GET_USER_INFO:
-            formatAppLog("log", "at pages/index/index.vue:419", "UniApp: 处理获取用户信息请求");
+            formatAppLog("log", "at pages/index/index.vue:488", "UniApp: 处理获取用户信息请求");
             this.sendUserInfo();
             break;
           case this.config.communication.messageTypes.GET_DEVICE_INFO:
-            formatAppLog("log", "at pages/index/index.vue:423", "UniApp: 处理获取设备信息请求");
+            formatAppLog("log", "at pages/index/index.vue:492", "UniApp: 处理获取设备信息请求");
             this.sendDeviceInfo();
             break;
           case this.config.communication.messageTypes.NAVIGATE:
-            formatAppLog("log", "at pages/index/index.vue:427", "UniApp: 处理导航请求");
+            formatAppLog("log", "at pages/index/index.vue:496", "UniApp: 处理导航请求");
             this.handleNavigation(data);
             break;
           case this.config.communication.messageTypes.SHARE:
-            formatAppLog("log", "at pages/index/index.vue:431", "UniApp: 处理分享请求");
+            formatAppLog("log", "at pages/index/index.vue:500", "UniApp: 处理分享请求");
             this.handleShare(data);
             break;
           case this.config.communication.messageTypes.PAYMENT:
-            formatAppLog("log", "at pages/index/index.vue:435", "UniApp: 处理支付请求");
+            formatAppLog("log", "at pages/index/index.vue:504", "UniApp: 处理支付请求");
             this.handlePayment(data);
             break;
           case this.config.communication.messageTypes.TOAST:
-            formatAppLog("log", "at pages/index/index.vue:439", "UniApp: 处理Toast请求");
+            formatAppLog("log", "at pages/index/index.vue:508", "UniApp: 处理Toast请求");
             this.handleToast(data);
             break;
           case this.config.communication.messageTypes.ALERT:
-            formatAppLog("log", "at pages/index/index.vue:443", "UniApp: 处理Alert请求");
+            formatAppLog("log", "at pages/index/index.vue:512", "UniApp: 处理Alert请求");
             this.handleAlert(data);
             break;
           case this.config.communication.messageTypes.CONFIRM:
-            formatAppLog("log", "at pages/index/index.vue:447", "UniApp: 处理Confirm请求");
+            formatAppLog("log", "at pages/index/index.vue:516", "UniApp: 处理Confirm请求");
             this.handleConfirm(data);
             break;
           case "pageReady":
-            formatAppLog("log", "at pages/index/index.vue:451", "UniApp: 处理页面准备就绪消息");
+            formatAppLog("log", "at pages/index/index.vue:520", "UniApp: 处理页面准备就绪消息");
             break;
           case "backButton":
-            formatAppLog("log", "at pages/index/index.vue:455", "UniApp: 处理返回键消息");
+            formatAppLog("log", "at pages/index/index.vue:524", "UniApp: 处理返回键消息");
             this.handleBackButtonMessage(data);
             break;
+          case "backSuccess":
+            formatAppLog("log", "at pages/index/index.vue:528", "UniApp: 处理iframe返回成功消息");
+            this.handleBackSuccess(data);
+            break;
+          case "backFailed":
+            formatAppLog("log", "at pages/index/index.vue:532", "UniApp: 处理iframe返回失败消息");
+            this.handleBackFailed(data);
+            break;
+          case "backStatus":
+            formatAppLog("log", "at pages/index/index.vue:536", "UniApp: 处理iframe返回状态消息");
+            this.handleBackStatus(data);
+            break;
           case "exitApp":
-            formatAppLog("log", "at pages/index/index.vue:459", "UniApp: 处理退出应用消息");
+            formatAppLog("log", "at pages/index/index.vue:540", "UniApp: 处理退出应用消息");
             this.handleExitApp();
             break;
           default:
-            formatAppLog("log", "at pages/index/index.vue:463", "UniApp: 未知消息类型:", data.type);
+            formatAppLog("log", "at pages/index/index.vue:544", "UniApp: 未知消息类型:", data.type);
         }
       },
       // 发送用户信息到iframe
       sendUserInfo() {
-        formatAppLog("log", "at pages/index/index.vue:469", "UniApp: 发送用户信息");
+        formatAppLog("log", "at pages/index/index.vue:550", "UniApp: 发送用户信息");
         const userInfo = {
           type: "userInfo",
           data: this.config.userConfig.defaultUser
@@ -497,7 +578,7 @@ if (uni.restoreGlobal) {
       },
       // 发送设备信息到iframe
       sendDeviceInfo() {
-        formatAppLog("log", "at pages/index/index.vue:479", "UniApp: 发送设备信息");
+        formatAppLog("log", "at pages/index/index.vue:560", "UniApp: 发送设备信息");
         const systemInfo = uni.getSystemInfoSync();
         const deviceInfo = {
           type: "deviceInfo",
@@ -517,12 +598,12 @@ if (uni.restoreGlobal) {
       // 处理导航
       handleNavigation(data) {
         if (data.url) {
-          formatAppLog("log", "at pages/index/index.vue:500", "导航到:", data.url);
+          formatAppLog("log", "at pages/index/index.vue:581", "导航到:", data.url);
         }
       },
       // 处理分享
       handleShare(data) {
-        formatAppLog("log", "at pages/index/index.vue:507", "UniApp: 处理分享请求", data);
+        formatAppLog("log", "at pages/index/index.vue:588", "UniApp: 处理分享请求", data);
         uni.share({
           provider: "weixin",
           scene: "WXSceneSession",
@@ -531,18 +612,18 @@ if (uni.restoreGlobal) {
           title: data.title || this.config.appConfig.appName,
           summary: data.summary || "分享内容",
           success: (res) => {
-            formatAppLog("log", "at pages/index/index.vue:516", "UniApp: 分享成功:", res);
+            formatAppLog("log", "at pages/index/index.vue:597", "UniApp: 分享成功:", res);
             this.sendToIframe("shareResult", { success: true });
           },
           fail: (err) => {
-            formatAppLog("error", "at pages/index/index.vue:520", "UniApp: 分享失败:", err);
+            formatAppLog("error", "at pages/index/index.vue:601", "UniApp: 分享失败:", err);
             this.sendToIframe("shareResult", { success: false, error: err });
           }
         });
       },
       // 处理支付
       handlePayment(data) {
-        formatAppLog("log", "at pages/index/index.vue:528", "UniApp: 处理支付请求", data);
+        formatAppLog("log", "at pages/index/index.vue:609", "UniApp: 处理支付请求", data);
         setTimeout(() => {
           this.sendToIframe("paymentResult", {
             success: true,
@@ -552,7 +633,7 @@ if (uni.restoreGlobal) {
       },
       // 处理Toast
       handleToast(data) {
-        formatAppLog("log", "at pages/index/index.vue:541", "UniApp: 处理Toast请求", data);
+        formatAppLog("log", "at pages/index/index.vue:622", "UniApp: 处理Toast请求", data);
         uni.showToast({
           title: data.message,
           icon: "none",
@@ -561,7 +642,7 @@ if (uni.restoreGlobal) {
       },
       // 处理Alert
       handleAlert(data) {
-        formatAppLog("log", "at pages/index/index.vue:551", "UniApp: 处理Alert请求", data);
+        formatAppLog("log", "at pages/index/index.vue:632", "UniApp: 处理Alert请求", data);
         uni.showModal({
           title: data.title || "提示",
           content: data.content,
@@ -570,12 +651,12 @@ if (uni.restoreGlobal) {
       },
       // 处理Confirm
       handleConfirm(data) {
-        formatAppLog("log", "at pages/index/index.vue:561", "UniApp: 处理Confirm请求", data);
+        formatAppLog("log", "at pages/index/index.vue:642", "UniApp: 处理Confirm请求", data);
         uni.showModal({
           title: data.title || "确认",
           content: data.content,
           success: (res) => {
-            formatAppLog("log", "at pages/index/index.vue:566", "UniApp: Confirm结果:", res);
+            formatAppLog("log", "at pages/index/index.vue:647", "UniApp: Confirm结果:", res);
             this.sendToIframe("confirmResult", {
               confirmed: res.confirm
             });
@@ -589,10 +670,10 @@ if (uni.restoreGlobal) {
       },
       // 处理消息队列
       processMessageQueue() {
-        formatAppLog("log", "at pages/index/index.vue:582", "UniApp: 处理消息队列, 队列长度:", this.messageQueue.length, "加载状态:", this.loading);
+        formatAppLog("log", "at pages/index/index.vue:663", "UniApp: 处理消息队列, 队列长度:", this.messageQueue.length, "加载状态:", this.loading);
         if (this.messageQueue.length > 0 && !this.loading) {
           const message = this.messageQueue.shift();
-          formatAppLog("log", "at pages/index/index.vue:585", "UniApp: 发送消息到iframe:", message);
+          formatAppLog("log", "at pages/index/index.vue:666", "UniApp: 发送消息到iframe:", message);
           this.evalJS(`
 						window.postMessage(${JSON.stringify(message)}, '*');
 					`);
@@ -613,12 +694,12 @@ if (uni.restoreGlobal) {
       },
       // 处理加载状态
       handleLoading(event) {
-        formatAppLog("log", "at pages/index/index.vue:609", "WebView加载状态变化:", event.detail);
+        formatAppLog("log", "at pages/index/index.vue:690", "WebView加载状态变化:", event.detail);
         const newLoadingState = event.detail.loading;
-        formatAppLog("log", "at pages/index/index.vue:611", "加载状态从", this.loading, "变为", newLoadingState);
+        formatAppLog("log", "at pages/index/index.vue:692", "加载状态从", this.loading, "变为", newLoadingState);
         this.loading = newLoadingState;
         if (!this.loading) {
-          formatAppLog("log", "at pages/index/index.vue:617", "页面加载完成，清除超时定时器");
+          formatAppLog("log", "at pages/index/index.vue:698", "页面加载完成，清除超时定时器");
           if (this.loadingTimer) {
             clearTimeout(this.loadingTimer);
             this.loadingTimer = null;
@@ -626,13 +707,13 @@ if (uni.restoreGlobal) {
           this.injectBridgeCode();
           this.processMessageQueue();
         } else {
-          formatAppLog("log", "at pages/index/index.vue:629", "页面开始加载，设置超时检测");
+          formatAppLog("log", "at pages/index/index.vue:710", "页面开始加载，设置超时检测");
           this.setupLoadingTimeout();
         }
       },
       // 处理错误
       handleError(event) {
-        formatAppLog("error", "at pages/index/index.vue:636", "WebView错误:", event.detail);
+        formatAppLog("error", "at pages/index/index.vue:717", "WebView错误:", event.detail);
         this.error = "页面加载失败，请检查网络连接";
         this.loading = false;
         clearTimeout(this.loadingTimer);
@@ -654,18 +735,18 @@ if (uni.restoreGlobal) {
       },
       // 清除超时
       clearTimeout() {
-        formatAppLog("log", "at pages/index/index.vue:662", "手动清除超时");
+        formatAppLog("log", "at pages/index/index.vue:743", "手动清除超时");
         if (this.loadingTimer) {
           clearTimeout(this.loadingTimer);
           this.loadingTimer = null;
         }
         this.error = "";
         this.loading = false;
-        formatAppLog("log", "at pages/index/index.vue:669", "超时已清除");
+        formatAppLog("log", "at pages/index/index.vue:750", "超时已清除");
       },
       // 动态设置web-view高度
       setWebViewHeight(height) {
-        formatAppLog("log", "at pages/index/index.vue:674", "设置web-view高度:", height);
+        formatAppLog("log", "at pages/index/index.vue:755", "设置web-view高度:", height);
         if (this.$refs.webview) {
           this.$refs.webview.$el.style.height = height + "px";
           this.$refs.webview.$el.className = "webview custom-height";
@@ -677,28 +758,28 @@ if (uni.restoreGlobal) {
       // 设置web-view为全屏
       setWebViewFullscreen() {
         const fullHeight = uni.getSystemInfoSync().windowHeight;
-        formatAppLog("log", "at pages/index/index.vue:692", "设置web-view全屏，高度:", fullHeight);
+        formatAppLog("log", "at pages/index/index.vue:773", "设置web-view全屏，高度:", fullHeight);
         this.setWebViewHeight(fullHeight);
       },
       // 设置web-view为部分高度
       setWebViewPartialHeight(percentage = 0.8) {
         const windowHeight = uni.getSystemInfoSync().windowHeight;
         const partialHeight = windowHeight * percentage;
-        formatAppLog("log", "at pages/index/index.vue:700", "设置web-view部分高度:", partialHeight, "百分比:", percentage);
+        formatAppLog("log", "at pages/index/index.vue:781", "设置web-view部分高度:", partialHeight, "百分比:", percentage);
         this.setWebViewHeight(partialHeight);
       },
       // 初始化返回键监听
       initBackButtonListener() {
-        formatAppLog("log", "at pages/index/index.vue:706", "初始化返回键监听");
+        formatAppLog("log", "at pages/index/index.vue:787", "初始化返回键监听");
         try {
           uni.addInterceptor("navigateBack", {
             invoke(e) {
-              formatAppLog("log", "at pages/index/index.vue:713", "拦截到返回事件:", e);
+              formatAppLog("log", "at pages/index/index.vue:794", "拦截到返回事件:", e);
               return false;
             }
           });
         } catch (error) {
-          formatAppLog("warn", "at pages/index/index.vue:718", "addInterceptor 失败:", error);
+          formatAppLog("warn", "at pages/index/index.vue:799", "addInterceptor 失败:", error);
         }
         this.setupPhysicalBackButton();
         this.setupWebViewBackListener();
@@ -707,21 +788,21 @@ if (uni.restoreGlobal) {
       setupPhysicalBackButton() {
         try {
           plus.key.addEventListener("backbutton", (e) => {
-            formatAppLog("log", "at pages/index/index.vue:735", "检测到物理返回键事件:", e);
+            formatAppLog("log", "at pages/index/index.vue:816", "检测到物理返回键事件:", e);
             this.handleBackButton();
           });
         } catch (error) {
-          formatAppLog("warn", "at pages/index/index.vue:739", "物理返回键监听失败:", error);
+          formatAppLog("warn", "at pages/index/index.vue:820", "物理返回键监听失败:", error);
         }
       },
       // 设置 web-view 内返回监听
       setupWebViewBackListener() {
         window.addEventListener("popstate", (event) => {
-          formatAppLog("log", "at pages/index/index.vue:748", "检测到 popstate 事件:", event);
+          formatAppLog("log", "at pages/index/index.vue:829", "检测到 popstate 事件:", event);
           this.handleBackButton();
         });
         window.addEventListener("beforeunload", (event) => {
-          formatAppLog("log", "at pages/index/index.vue:754", "检测到 beforeunload 事件:", event);
+          formatAppLog("log", "at pages/index/index.vue:835", "检测到 beforeunload 事件:", event);
           this.handleBackButton();
         });
       },
@@ -729,21 +810,75 @@ if (uni.restoreGlobal) {
       handleBackButton() {
         const now = Date.now();
         const timeDiff = now - this.lastBackTime;
-        formatAppLog("log", "at pages/index/index.vue:764", "处理返回键事件, 时间差:", timeDiff, "ms");
+        formatAppLog("log", "at pages/index/index.vue:845", "处理返回键事件, 时间差:", timeDiff, "ms, iframeCanGoBack:", this.iframeCanGoBack);
         if (timeDiff > 2e3) {
           this.backButtonCount = 0;
         }
         this.backButtonCount++;
         this.lastBackTime = now;
+        if (this.isProcessingBack) {
+          formatAppLog("log", "at pages/index/index.vue:857", "正在处理返回，忽略新的返回键");
+          return;
+        }
         if (this.backButtonCount === 1) {
-          this.showExitConfirm();
+          if (this.iframeCanGoBack) {
+            this.tryIframeBack();
+          } else {
+            this.showExitConfirm();
+          }
         } else if (this.backButtonCount >= 2) {
           this.exitApp();
         }
       },
+      // 尝试iframe内部返回
+      tryIframeBack() {
+        formatAppLog("log", "at pages/index/index.vue:879", "尝试iframe内部返回");
+        this.isProcessingBack = true;
+        if (this.backTimeoutId) {
+          clearTimeout(this.backTimeoutId);
+        }
+        this.sendBackButtonMessage("tryBack");
+        this.evalJS(`
+				try {
+					// 检查是否可以返回
+					if (window.history && window.history.length > 1) {
+						__f__('log','at pages/index/index.vue:897','iframe可以返回，执行返回操作');
+						window.history.back();
+						
+						// 通知UniApp返回成功
+						window.parent.postMessage({
+							type: 'backSuccess',
+							data: { canGoBack: true },
+							timestamp: Date.now()
+						}, '*');
+					} else {
+						__f__('log','at pages/index/index.vue:907','iframe无法返回，通知UniApp');
+						window.parent.postMessage({
+							type: 'backFailed',
+							data: { canGoBack: false, reason: 'no_history' },
+							timestamp: Date.now()
+						}, '*');
+					}
+				} catch (error) {
+					__f__('error','at pages/index/index.vue:915','iframe返回操作失败:', error);
+					window.parent.postMessage({
+						type: 'backFailed',
+						data: { canGoBack: false, reason: 'error', error: error.message },
+						timestamp: Date.now()
+					}, '*');
+				}
+			`);
+        this.backTimeoutId = setTimeout(() => {
+          if (this.backButtonCount === 1 && this.isProcessingBack) {
+            formatAppLog("log", "at pages/index/index.vue:927", "iframe返回超时，显示退出确认");
+            this.isProcessingBack = false;
+            this.showExitConfirm();
+          }
+        }, 1500);
+      },
       // 显示退出确认
       showExitConfirm() {
-        formatAppLog("log", "at pages/index/index.vue:786", "显示退出确认");
+        formatAppLog("log", "at pages/index/index.vue:936", "显示退出确认");
         uni.showModal({
           title: "退出确认",
           content: "确定要退出应用吗？",
@@ -759,11 +894,11 @@ if (uni.restoreGlobal) {
       },
       // 退出应用
       exitApp() {
-        formatAppLog("log", "at pages/index/index.vue:809", "退出应用");
+        formatAppLog("log", "at pages/index/index.vue:959", "退出应用");
         try {
           plus.runtime.quit();
         } catch (error) {
-          formatAppLog("error", "at pages/index/index.vue:816", "退出应用失败:", error);
+          formatAppLog("error", "at pages/index/index.vue:966", "退出应用失败:", error);
         }
         this.sendBackButtonMessage("exitApp");
       },
@@ -777,50 +912,81 @@ if (uni.restoreGlobal) {
               timestamp: Date.now()
             });
           } catch (error) {
-            formatAppLog("error", "at pages/index/index.vue:835", "发送返回键消息失败:", error);
+            formatAppLog("error", "at pages/index/index.vue:985", "发送返回键消息失败:", error);
           }
         }
       },
       // 处理返回键消息
       handleBackButtonMessage(data) {
-        formatAppLog("log", "at pages/index/index.vue:842", "处理返回键消息:", data);
+        formatAppLog("log", "at pages/index/index.vue:992", "处理返回键消息:", data);
         switch (data.action) {
           case "popstate":
           case "keydown":
             this.handleBackButton();
             break;
           default:
-            formatAppLog("log", "at pages/index/index.vue:850", "未知的返回键动作:", data.action);
+            formatAppLog("log", "at pages/index/index.vue:1000", "未知的返回键动作:", data.action);
         }
       },
       // 处理退出应用
       handleExitApp() {
-        formatAppLog("log", "at pages/index/index.vue:856", "处理退出应用");
+        formatAppLog("log", "at pages/index/index.vue:1006", "处理退出应用");
         try {
           plus.runtime.quit();
         } catch (error) {
-          formatAppLog("error", "at pages/index/index.vue:862", "退出应用失败:", error);
+          formatAppLog("error", "at pages/index/index.vue:1012", "退出应用失败:", error);
         }
       },
+      // 处理iframe返回成功消息
+      handleBackSuccess(data) {
+        formatAppLog("log", "at pages/index/index.vue:1019", "处理iframe返回成功消息:", data);
+        this.isProcessingBack = false;
+        this.iframeCanGoBack = true;
+        this.backButtonCount = 0;
+        this.lastBackTime = 0;
+        if (this.backTimeoutId) {
+          clearTimeout(this.backTimeoutId);
+          this.backTimeoutId = null;
+        }
+      },
+      // 处理iframe返回失败消息
+      handleBackFailed(data) {
+        formatAppLog("log", "at pages/index/index.vue:1034", "处理iframe返回失败消息:", data);
+        this.isProcessingBack = false;
+        this.iframeCanGoBack = false;
+        this.backButtonCount = 0;
+        this.lastBackTime = 0;
+        if (this.backTimeoutId) {
+          clearTimeout(this.backTimeoutId);
+          this.backTimeoutId = null;
+        }
+        this.showExitConfirm();
+      },
+      // 处理iframe返回状态消息
+      handleBackStatus(data) {
+        formatAppLog("log", "at pages/index/index.vue:1052", "处理iframe返回状态消息:", data);
+        this.iframeCanGoBack = data.data.canGoBack;
+        formatAppLog("log", "at pages/index/index.vue:1054", "更新iframe返回状态:", this.iframeCanGoBack);
+      },
       // 恢复返回键监听
       resumeBackButtonListener() {
-        formatAppLog("log", "at pages/index/index.vue:869", "恢复返回键监听");
+        formatAppLog("log", "at pages/index/index.vue:1059", "恢复返回键监听");
         this.backButtonCount = 0;
         this.lastBackTime = 0;
       },
       // 暂停返回键监听
       pauseBackButtonListener() {
-        formatAppLog("log", "at pages/index/index.vue:876", "暂停返回键监听");
+        formatAppLog("log", "at pages/index/index.vue:1066", "暂停返回键监听");
         this.backButtonCount = 0;
       },
       // 移除返回键监听
       removeBackButtonListener() {
-        formatAppLog("log", "at pages/index/index.vue:882", "移除返回键监听");
+        formatAppLog("log", "at pages/index/index.vue:1072", "移除返回键监听");
         try {
           plus.key.removeEventListener("backbutton");
           uni.removeInterceptor("navigateBack");
         } catch (error) {
-          formatAppLog("warn", "at pages/index/index.vue:892", "移除返回键监听失败:", error);
+          formatAppLog("warn", "at pages/index/index.vue:1082", "移除返回键监听失败:", error);
         }
         if (this.backButtonTimer) {
           clearTimeout(this.backButtonTimer);
@@ -832,6 +998,10 @@ if (uni.restoreGlobal) {
         if (this.loadingTimer) {
           clearTimeout(this.loadingTimer);
         }
+        if (this.backTimeoutId) {
+          clearTimeout(this.backTimeoutId);
+          this.backTimeoutId = null;
+        }
         this.removeBackButtonListener();
       }
     }
diff --git a/nkebao/src/pages/mobile/scenarios/list/index.module.scss b/nkebao/src/pages/mobile/scenarios/list/index.module.scss
index b371a294..d200fddb 100644
--- a/nkebao/src/pages/mobile/scenarios/list/index.module.scss
+++ b/nkebao/src/pages/mobile/scenarios/list/index.module.scss
@@ -35,9 +35,12 @@
   min-height: 100vh;
   padding: 0 0 60px 0;
 }
-.scene-page-content {
-  padding: 16px;
-  text-align: center;
+.error {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  padding: 50px 30px;
 }
 // 错误提示
 .error-notice {