diff --git a/sec-beidou/src/main/resources/templates/page/device_overview.html b/sec-beidou/src/main/resources/templates/page/device_overview.html
index e8f03fe4..55098ce4 100644
--- a/sec-beidou/src/main/resources/templates/page/device_overview.html
+++ b/sec-beidou/src/main/resources/templates/page/device_overview.html
@@ -2320,7 +2320,7 @@
 
     function showWeatherForecast(deviceInfo) {
         currentWeatherDevice = deviceInfo;
-        currentForecastIndex = 0;
+        // 不在这里设置currentForecastIndex，让fetchWeatherData自动选择最近的时间点
         weatherData = null;
         
         var role = /*[[${role}]]*/ 'USER';
@@ -2330,7 +2330,7 @@
                 
         if (!weatherEnabled) {
             layer.msg(
-                '天气预测功能未启用，请在地图功能菜单中开启',
+                '天气预测功能未启用',
                 {time: 2000}
             );
             return;
@@ -2400,10 +2400,11 @@
         var requestBody = {
             "lat": parseFloat(lat.toFixed(2)),
             "lon": parseFloat(lon.toFixed(2)),
-            "model": "gfs",
+            "model": "gfs", // 使用全球预报系统模型
             "parameters": ["temp", "wind", "precip", "pressure", "rh", "windGust"],
             "levels": ["surface"],
-            "key": weatherApiKey
+            "key": weatherApiKey,
+            "hours": 72 // 请求未来72小时的预报数据，确保有足够的未来预测
         };
         
         fetch('https://api.windy.com/api/point-forecast/v2', {
@@ -2422,7 +2423,43 @@
         })
         .then(function(data) {
             weatherData = data;
-            currentForecastIndex = 0;
+            
+            // 找到最接近当前时间的预报索引，优先选择未来时间点
+            var currentTime = new Date().getTime();
+            var closestIndex = 0;
+            var futureIndex = -1; // 记录第一个未来时间点
+            var smallestDiff = Number.MAX_VALUE;
+            
+            if (weatherData.ts && weatherData.ts.length > 0) {
+                // 首先尝试找到第一个未来时间点
+                for (var i = 0; i < weatherData.ts.length; i++) {
+                    if (weatherData.ts[i] > currentTime) {
+                        futureIndex = i;
+                        break;
+                    }
+                }
+                
+                // 如果找到了未来时间点，直接使用
+                if (futureIndex >= 0) {
+                    closestIndex = futureIndex;
+                } else {
+                    // 否则找最接近的时间点
+                    for (var i = 0; i < weatherData.ts.length; i++) {
+                        var diff = Math.abs(weatherData.ts[i] - currentTime);
+                        if (diff < smallestDiff) {
+                            smallestDiff = diff;
+                            closestIndex = i;
+                        }
+                    }
+                }
+                
+                // 打印调试信息
+                console.log("当前时间:", new Date(currentTime).toLocaleString());
+                console.log("选择的预报时间:", new Date(weatherData.ts[closestIndex]).toLocaleString());
+                console.log("所有可用时间点:", weatherData.ts.map(ts => new Date(ts).toLocaleString()));
+            }
+            
+            currentForecastIndex = closestIndex;
             displayCurrentForecast();
             updateForecastNavigation();
         })