diff --git a/HealthMonitor.Service/Biz/db/TDengineService.cs b/HealthMonitor.Service/Biz/db/TDengineService.cs
index 81cb78e..98bb35c 100644
--- a/HealthMonitor.Service/Biz/db/TDengineService.cs
+++ b/HealthMonitor.Service/Biz/db/TDengineService.cs
@@ -1161,8 +1161,9 @@ namespace HealthMonitor.Service.Biz.db
             //    minValue = 60;
             //    maxValue = 100;
             //}
-            // 最小值不能少于60
-            minValue = minValue < 60 ? 60 : minValue;
+            // 最大值最小值两边扩散
+            // 最小值不能大于60
+            minValue = minValue > 60 ? 60 : minValue;
 
             // 最大值不能少于100
             maxValue= maxValue < 100 ? 100 : maxValue;