diff --git a/Controllers/HomeController.cs b/Controllers/HomeController.cs
index 0461a23..e9f764e 100644
--- a/Controllers/HomeController.cs
+++ b/Controllers/HomeController.cs
@@ -50,7 +50,7 @@ namespace LY.App.Controllers
             var positions = await _positionService.Index();
             var alarmCount = await _redisService.GetOrSetAsync(RedisKeyList.index_data(),
                    async () => await _alarmService.IndexCount(),
-                   TimeSpan.FromDays(1));
+                   TimeSpan.FromSeconds(GetLeftTime()));
             var weather = await _redisService.GetOrSetAsync(RedisKeyList.Index_Weather,
                    async () => await _weatherService.GetWeather(),
             TimeSpan.FromHours(3));
@@ -66,6 +66,17 @@ namespace LY.App.Controllers
             return Ok(result);
         }
 
+        private int GetLeftTime() {
+            DateTime now = DateTime.Now;
+
+            // 今天的结束时间 23:59:59
+            DateTime endOfDay = new DateTime(now.Year, now.Month, now.Day, 23, 59, 59);
+            // 相差时间
+            TimeSpan remaining = endOfDay - now;
+            // 剩余秒数
+           return (int)remaining.TotalSeconds;
+        }
+
         private async Task<List<SyncLocation>> GetUserLocation()
         {
             var keys = await _redisService.GetAllKeysAsync("user_locationbyid_*");
diff --git a/appsettings.json b/appsettings.json
index 979b578..cdf4863 100644
--- a/appsettings.json
+++ b/appsettings.json
@@ -8,7 +8,7 @@
   "log2db": true, //是否记录
   "AllowedHosts": "*",
   "ConnectionStrings": {
-    "DefaultConnection": "server=114.66.57.139;port=23306;database=lyapp;user=root;password=dklymysql;Pooling=true;"
+    "DefaultConnection": "server=114.66.57.139;port=33306;database=lyapp;user=root;password=dklymysql;Pooling=true;"
   },
   "Token": {
     "SecretKey": "HWLSNPM+OhlFe4wwEV/teSWsxGjrWbxKnHonxW5Z+mFlQq3zonv5",