diff --git a/src/main/java/com/ruoyi/device/config/DeviceCacheConfig.java b/src/main/java/com/ruoyi/device/config/DeviceCacheConfig.java
index bd235b5..2ef8455 100644
--- a/src/main/java/com/ruoyi/device/config/DeviceCacheConfig.java
+++ b/src/main/java/com/ruoyi/device/config/DeviceCacheConfig.java
@@ -37,6 +37,7 @@ public class DeviceCacheConfig {
     public static final String AIRCRAFT_PAYLOAD_CACHE = "aircraftPayload";
     public static final String THINGSBOARD_ATTRIBUTES_CACHE = "thingsboardAttributes";
     public static final String THINGSBOARD_TELEMETRY_CACHE = "thingsboardTelemetry";
+    public static final String WEATHER_CACHE = "weather";
 
     /**
      * 配置缓存管理器
@@ -76,6 +77,9 @@ public class DeviceCacheConfig {
         // ThingsBoard 设备遥测：15秒（遥测数据，实时性要求高）
         cacheConfigurations.put(THINGSBOARD_TELEMETRY_CACHE, defaultConfig.entryTtl(Duration.ofSeconds(15)));
 
+        // 天气信息：5分钟（天气数据，变化较慢）
+        cacheConfigurations.put(WEATHER_CACHE, defaultConfig.entryTtl(Duration.ofMinutes(5)));
+
         return RedisCacheManager.builder(connectionFactory)
                 .cacheDefaults(defaultConfig)
                 .withInitialCacheConfigurations(cacheConfigurations)
diff --git a/src/main/java/com/ruoyi/device/domain/impl/WeatherDomainImpl.java b/src/main/java/com/ruoyi/device/domain/impl/WeatherDomainImpl.java
index f1f7ba5..6bc5bcf 100644
--- a/src/main/java/com/ruoyi/device/domain/impl/WeatherDomainImpl.java
+++ b/src/main/java/com/ruoyi/device/domain/impl/WeatherDomainImpl.java
@@ -1,93 +1,65 @@
 package com.ruoyi.device.domain.impl;
 
 import com.alibaba.fastjson2.JSON;
-import com.github.benmanes.caffeine.cache.Cache;
-import com.github.benmanes.caffeine.cache.Caffeine;
-import com.github.benmanes.caffeine.cache.Expiry;
+import com.ruoyi.device.config.DeviceCacheConfig;
 import com.ruoyi.device.domain.api.IWeatherDomain;
 import com.ruoyi.device.domain.impl.weather.HttpUtils;
 import com.ruoyi.device.domain.model.weather.Weather;
 import com.ruoyi.device.domain.model.weather.WeatherResponse;
 import com.ruoyi.device.domain.config.WeatherProperties;
+import lombok.extern.slf4j.Slf4j;
 import org.apache.http.HttpResponse;
 import org.apache.http.util.EntityUtils;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.cache.annotation.Cacheable;
 import org.springframework.stereotype.Component;
 
 import java.util.HashMap;
 import java.util.Map;
-import java.util.Random;
-import java.util.concurrent.TimeUnit;
 
 @Component
+@Slf4j
 public class WeatherDomainImpl implements IWeatherDomain {
 
     @Autowired
     private WeatherProperties weatherProperties;
 
-    private final Random random = new Random();
-    private final Cache<String, Weather> weatherCache;
+    @Override
+    @Cacheable(value = DeviceCacheConfig.WEATHER_CACHE, key = "#lat + ',' + #lon", unless = "#result == null")
+    public Weather weatherInfo(String lat, String lon) {
+        String host = weatherProperties.getHost();
+        String path = weatherProperties.getPath();
+        String method = "POST";
+        Map<String, String> headers = new HashMap<>();
+        headers.put("Authorization", "APPCODE " + weatherProperties.getAppcode());
+        headers.put("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
+        Map<String, String> querys = new HashMap<>();
+        Map<String, String> bodys = new HashMap<>();
+        bodys.put("lat", lat);
+        bodys.put("lon", lon);
+        bodys.put("token", weatherProperties.getToken());
 
-    public WeatherDomainImpl() {
-        this.weatherCache = Caffeine.newBuilder()
-                .expireAfter(new Expiry<String, Weather>() {
-                    @Override
-                    public long expireAfterCreate(String key, Weather value, long currentTime) {
-                        long randomMinutes = 1 + random.nextInt(10);
-                        return TimeUnit.MINUTES.toNanos(randomMinutes);
-                    }
+        Weather weather = new Weather();
+        try {
+            HttpResponse response = HttpUtils.doPost(host, path, method, headers, querys, bodys);
+            String json = EntityUtils.toString(response.getEntity());
+            WeatherResponse weatherResponse = JSON.parseObject(json, WeatherResponse.class);
 
-                    @Override
-                    public long expireAfterUpdate(String key, Weather value, long currentTime, long currentDuration) {
-                        long randomMinutes = 1 + random.nextInt(10);
-                        return TimeUnit.MINUTES.toNanos(randomMinutes);
-                    }
-
-                    @Override
-                    public long expireAfterRead(String key, Weather value, long currentTime, long currentDuration) {
-                        return currentDuration;
-                    }
-                })
-                .build();
-    }
-
-
-    public  Weather weatherInfo(String lat, String lon) {
-        String cacheKey = lat + "," + lon;
-        return weatherCache.get(cacheKey, key -> {
-            String host = weatherProperties.getHost();
-            String path = weatherProperties.getPath();
-            String method = "POST";
-            Map<String, String> headers = new HashMap<>();
-            headers.put("Authorization", "APPCODE " + weatherProperties.getAppcode());
-            headers.put("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
-            Map<String, String> querys = new HashMap<>();
-            Map<String, String> bodys = new HashMap<>();
-            bodys.put("lat", lat);
-            bodys.put("lon", lon);
-            bodys.put("token", weatherProperties.getToken());
-
-            Weather weather = new Weather();
-            try {
-
-                HttpResponse response = HttpUtils.doPost(host, path, method, headers, querys, bodys);
-                String json = EntityUtils.toString(response.getEntity());
-                WeatherResponse weatherResponse = JSON.parseObject(json, WeatherResponse.class);
-
-                if (weatherResponse != null && weatherResponse.getCode() == 0) {
-                    String windLevel = weatherResponse.getData().getCondition().getWindLevel();
-                    weather.setWindSpeed(convertWindLevelToSpeed(windLevel));
-                    weather.setEnvironmentTemperature(Double.valueOf(weatherResponse.getData().getCondition().getTemp()));
-                    weather.setEnvironmentHumidity(Double.valueOf(weatherResponse.getData().getCondition().getHumidity()));
-                    String conditionId = weatherResponse.getData().getCondition().getConditionId();
-                    weather.setRainfall(convertConditionIdToRainfall(conditionId));
-                }
-
-                return weather;
-            } catch (Exception ignored) {
-                return null;
+            if (weatherResponse != null && weatherResponse.getCode() == 0) {
+                String windLevel = weatherResponse.getData().getCondition().getWindLevel();
+                weather.setWindSpeed(convertWindLevelToSpeed(windLevel));
+                weather.setEnvironmentTemperature(Double.valueOf(weatherResponse.getData().getCondition().getTemp()));
+                weather.setEnvironmentHumidity(Double.valueOf(weatherResponse.getData().getCondition().getHumidity()));
+                String conditionId = weatherResponse.getData().getCondition().getConditionId();
+                weather.setRainfall(convertConditionIdToRainfall(conditionId));
             }
-        });
+            log.info("lat {} log {} weather {}", lat, lon,JSON.toJSONString(weather));
+            return weather;
+
+        } catch (Exception e) {
+            log.error("lat {} log {} ", lat, lon,e);
+            return null;
+        }
     }
 
     /**