diff --git a/src/JiShe.IoT.Application/Jobs/GCCollectJob.cs b/src/JiShe.IoT.Application/Jobs/GCCollectJob.cs
index 4194563..d3dfe99 100644
--- a/src/JiShe.IoT.Application/Jobs/GCCollectJob.cs
+++ b/src/JiShe.IoT.Application/Jobs/GCCollectJob.cs
@@ -28,13 +28,13 @@ namespace JiShe.IoT.Jobs
         protected override Task DoWorkAsync(CancellationToken cancellationToken)
         {
             CommonHelper.GCCollectHandler();
-            _logger.LogWarning("执行手动GC.Collect()");
+            _logger.LogWarning("主动执行GC回收");
             return Task.CompletedTask;
         }
 
         protected override TimeSpan GetInterval()
         {
-            return TimeSpan.FromMinutes(5);
+            return TimeSpan.FromMinutes(3);
         }
     }
 }