diff --git a/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
index dbc7939ad..a14095742 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
@@ -1041,6 +1041,7 @@ namespace SqlSugar
             return this.Where($" {columnName}>={sqlParameterKeyWord}spBeginTime AND {columnName}<= {sqlParameterKeyWord}spEndTime",new { spBeginTime = beginTime , spEndTime = endTime}).SplitTable(tas => {
                 var result = tas;
                 var  type= this.EntityInfo.Type.GetCustomAttribute<SplitTableAttribute>();
+                Check.ExceptionEasy(type == null, $"{this.EntityInfo.EntityName}need SplitTableAttribute", $"{this.EntityInfo.EntityName}需要特性 SplitTableAttribute");
                 if (SplitType.Month == type.SplitType)
                 {
                     result = result.Where(y => y.Date >= beginTime.ToString("yyyy-MM").ObjToDate() && y.Date <= endTime.Date.ToString("yyyy-MM").ObjToDate().AddMonths(1).AddDays(-1)).ToList();