diff --git a/Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/InsertableProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/InsertableProvider.cs
index f17ea13f4..aa90085ef 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/InsertableProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/InsertableProvider.cs
@@ -750,7 +750,7 @@ namespace SqlSugar
             UtilMethods.StartCustomSplitTable(this.Context, typeof(T));
             var splitTableAttribute = typeof(T).GetCustomAttribute<SplitTableAttribute>();
             if (splitTableAttribute != null)
-            {
+            { 
                 return SplitTable((splitTableAttribute as SplitTableAttribute).SplitType);
             }
             else 
diff --git a/Src/Asp.Net/SqlSugar/Utilities/UtilMethods.cs b/Src/Asp.Net/SqlSugar/Utilities/UtilMethods.cs
index 7f3835e01..68b35e1e3 100644
--- a/Src/Asp.Net/SqlSugar/Utilities/UtilMethods.cs
+++ b/Src/Asp.Net/SqlSugar/Utilities/UtilMethods.cs
@@ -335,6 +335,15 @@ namespace SqlSugar
                 context.CurrentConnectionConfig.ConfigureExternalServices.SplitTableService
                     = (ISplitTableService)Activator.CreateInstance(splitTableAttribute.CustomSplitTableService);
             }
+            if (
+                context?.CurrentConnectionConfig?.ConfigureExternalServices?.SplitTableService !=null
+                && splitTableAttribute.CustomSplitTableService == null
+                && context.EntityMaintenance.GetEntityInfo(entityType).DbTableName?.EndsWith("_{year}{month}{day}") ==true 
+                )
+            {
+                context.CurrentConnectionConfig.ConfigureExternalServices.SplitTableService
+                      = null;
+            }
         }
         public static void ConvertParameter(SugarParameter p, ISqlBuilder builder)
         {