diff --git a/src/Infrastructure/Masa.Alert.EntityFrameworkCore/EntityTypeConfigurations/AlarmRuleConfiguration.cs b/src/Infrastructure/Masa.Alert.EntityFrameworkCore/EntityTypeConfigurations/AlarmRuleConfiguration.cs
index 04f1c5f7..6c2f0980 100644
--- a/src/Infrastructure/Masa.Alert.EntityFrameworkCore/EntityTypeConfigurations/AlarmRuleConfiguration.cs
+++ b/src/Infrastructure/Masa.Alert.EntityFrameworkCore/EntityTypeConfigurations/AlarmRuleConfiguration.cs
@@ -14,7 +14,7 @@ public void Configure(EntityTypeBuilder<AlarmRule> builder)
         builder.Property(x => x.ChartYAxisUnit).HasMaxLength(128);
         builder.Property(x => x.TotalVariable).HasMaxLength(64);
         builder.Property(x => x.Source).IsRequired().HasMaxLength(40).HasDefaultValue(string.Empty);
-        builder.Property(x => x.Show).HasDefaultValue(true).IsRequired();
+        builder.Property(x => x.Show).HasDefaultValue(true).IsRequired().ValueGeneratedNever();
         builder.OwnsMany(x => x.LogMonitorItems, b =>
         {
             b.ToTable(AlertConsts.DB_TABLE_PREFIX + "AlarmRuleLogMonitors", AlertConsts.DB_SCHEMA);