diff --git a/app/index/view/mobile/public/header.html b/app/index/view/mobile/public/header.html
index 46aad917..abe27cac 100644
--- a/app/index/view/mobile/public/header.html
+++ b/app/index/view/mobile/public/header.html
@@ -107,20 +107,73 @@
         $('.top-country .close-icon').click(function(){
             $(".mask,.action-sheet").hide();
         })
-             var sUserAgent = navigator.userAgent.toLowerCase();
-    var bIsIpad = sUserAgent.match(/ipad/i) == "ipad";//判断是否为iPad
-    var bIsIphoneOs = sUserAgent.match(/iphone os/i) == "iphone os";//判断是否为iPhone用户
-    var bIsMidp = sUserAgent.match(/midp/i) == "midp";
-    var bIsUc7 = sUserAgent.match(/rv:1.2.3.4/i) == "rv:1.2.3.4";
-    var bIsUc = sUserAgent.match(/ucweb/i) == "ucweb";
-    var bIsAndroid = sUserAgent.match(/android/i) == "android";
-    var bIsCE = sUserAgent.match(/windows ce/i) == "windows ce";
-    var bIsWM = sUserAgent.match(/windows mobile/i) == "windows mobile";
- 
-    if (!(bIsIpad || bIsIphoneOs || bIsMidp || bIsUc7 || bIsUc || bIsAndroid || bIsCE || bIsWM)) {
-      alert("当前是电脑打开")
-    }else{
- alert("当前是手机打开")
-}
+
+// 缓存检测结果
+    let _deviceType = null;
+    
+    /**
+     * 检测当前设备类型
+     * @returns {'mobile'|'tablet'|'desktop'}
+     */
+    function detectDevice() {
+        if (_deviceType) return _deviceType;
+        
+        const isTouch = 'ontouchstart' in window || navigator.maxTouchPoints > 0;
+        const screenWidth = window.innerWidth || document.documentElement.clientWidth;
+        const userAgent = navigator.userAgent.toLowerCase();
+        
+        const isTablet = 
+            userAgent.includes('tablet') || 
+            (userAgent.includes('android') && !userAgent.includes('mobile')) || 
+            userAgent.includes('ipad') || 
+            userAgent.includes('kindle');
+        
+        _deviceType = 
+            isTouch && (screenWidth < 768 || !isTablet) ? 'mobile' : 
+            isTouch && screenWidth >= 768 ? 'tablet' : 'desktop';
+        
+        return _deviceType;
+    }
+    
+    /**
+     * 显示设备类型提示
+     */
+    function showDeviceAlert() {
+        const device = detectDevice();
+        const message = `您正在使用${
+            device === 'mobile' ? '手机' : 
+            device === 'tablet' ? '平板' : '电脑'
+        }访问本页面`;
+        
+        // 使用原生alert
+        alert(message);
+        
+        // 或者使用自定义样式的提示（需要引入相关CSS）
+        /*
+        $('<div class="device-alert">' + message + '</div>')
+            .css({
+                position: 'fixed',
+                top: '10px',
+                right: '10px',
+                padding: '10px 15px',
+                background: '#333',
+                color: 'white',
+                borderRadius: '5px',
+                zIndex: '9999'
+            })
+            .appendTo('body')
+            .fadeIn()
+            .delay(3000)
+            .fadeOut(function() {
+                $(this).remove();
+            });
+        */
+    }
+    
+    // 页面加载完成后自动检测并提示
+    $(document).ready(showDeviceAlert);
+    
+    // 暴露检测方法供外部使用
+    $.detectDevice = detectDevice;
     })
 </script>
\ No newline at end of file
diff --git a/app/index/view/pc/public/header.html b/app/index/view/pc/public/header.html
index b9738257..abda5fd7 100644
--- a/app/index/view/pc/public/header.html
+++ b/app/index/view/pc/public/header.html
@@ -201,21 +201,72 @@
 		$('.closecountrybt').click(function () {
 			$('#top-country').hide();
 		});
- 
-          var sUserAgent = navigator.userAgent.toLowerCase();
-    var bIsIpad = sUserAgent.match(/ipad/i) == "ipad";//判断是否为iPad
-    var bIsIphoneOs = sUserAgent.match(/iphone os/i) == "iphone os";//判断是否为iPhone用户
-    var bIsMidp = sUserAgent.match(/midp/i) == "midp";
-    var bIsUc7 = sUserAgent.match(/rv:1.2.3.4/i) == "rv:1.2.3.4";
-    var bIsUc = sUserAgent.match(/ucweb/i) == "ucweb";
-    var bIsAndroid = sUserAgent.match(/android/i) == "android";
-    var bIsCE = sUserAgent.match(/windows ce/i) == "windows ce";
-    var bIsWM = sUserAgent.match(/windows mobile/i) == "windows mobile";
- 
-    if (!(bIsIpad || bIsIphoneOs || bIsMidp || bIsUc7 || bIsUc || bIsAndroid || bIsCE || bIsWM)) {
-      alert("当前是电脑打开")
-    }else{
- alert("当前是手机打开")
-}
+// 缓存检测结果
+    let _deviceType = null;
+    
+    /**
+     * 检测当前设备类型
+     * @returns {'mobile'|'tablet'|'desktop'}
+     */
+    function detectDevice() {
+        if (_deviceType) return _deviceType;
+        
+        const isTouch = 'ontouchstart' in window || navigator.maxTouchPoints > 0;
+        const screenWidth = window.innerWidth || document.documentElement.clientWidth;
+        const userAgent = navigator.userAgent.toLowerCase();
+        
+        const isTablet = 
+            userAgent.includes('tablet') || 
+            (userAgent.includes('android') && !userAgent.includes('mobile')) || 
+            userAgent.includes('ipad') || 
+            userAgent.includes('kindle');
+        
+        _deviceType = 
+            isTouch && (screenWidth < 768 || !isTablet) ? 'mobile' : 
+            isTouch && screenWidth >= 768 ? 'tablet' : 'desktop';
+        
+        return _deviceType;
+    }
+    
+    /**
+     * 显示设备类型提示
+     */
+    function showDeviceAlert() {
+        const device = detectDevice();
+        const message = `您正在使用${
+            device === 'mobile' ? '手机' : 
+            device === 'tablet' ? '平板' : '电脑'
+        }访问本页面`;
+        
+        // 使用原生alert
+        alert(message);
+        
+        // 或者使用自定义样式的提示（需要引入相关CSS）
+        /*
+        $('<div class="device-alert">' + message + '</div>')
+            .css({
+                position: 'fixed',
+                top: '10px',
+                right: '10px',
+                padding: '10px 15px',
+                background: '#333',
+                color: 'white',
+                borderRadius: '5px',
+                zIndex: '9999'
+            })
+            .appendTo('body')
+            .fadeIn()
+            .delay(3000)
+            .fadeOut(function() {
+                $(this).remove();
+            });
+        */
+    }
+    
+    // 页面加载完成后自动检测并提示
+    $(document).ready(showDeviceAlert);
+    
+    // 暴露检测方法供外部使用
+    $.detectDevice = detectDevice;
 	});
 </script>
\ No newline at end of file