diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs
index 06b966cef..f6925cd03 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections;
 using System.Collections.Generic;
 using System.Linq;
 using System.Linq.Expressions;
@@ -231,6 +232,17 @@ namespace SqlSugar
 
         public IDeleteable<T> In<PkType>(PkType primaryKeyValue)
         {
+            if (typeof(PkType).FullName.IsCollectionsList())
+            {
+                var newValues = new List<object>();
+                foreach (var item in primaryKeyValue as IEnumerable)
+                {
+                    newValues.Add(item);
+                }
+                return In(newValues);
+            }
+
+
             In(new PkType[] { primaryKeyValue });
             return this;
         }
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/EntityMaintenance/EntityMaintenance.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/EntityMaintenance/EntityMaintenance.cs
index 664013689..cd2bc6605 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/EntityMaintenance/EntityMaintenance.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/EntityMaintenance/EntityMaintenance.cs
@@ -177,6 +177,9 @@ namespace SqlSugar
                     if (golbalMappingInfo != null)
                         column.IsIgnore = true;
                 }
+                if (this.Context.CurrentConnectionConfig.ConfigureExternalServices != null && this.Context.CurrentConnectionConfig.ConfigureExternalServices.EntityService != null) {
+                    this.Context.CurrentConnectionConfig.ConfigureExternalServices.EntityService(property, column);
+                }
                 result.Columns.Add(column);
             }
         }
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Entities/ConnectionConfig.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Entities/ConnectionConfig.cs
index f825f1ed7..b06cb99b4 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Entities/ConnectionConfig.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Entities/ConnectionConfig.cs
@@ -2,6 +2,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Reflection;
 using System.Text;
 using System.Threading.Tasks;
 namespace SqlSugar
@@ -90,5 +91,8 @@ namespace SqlSugar
 
         public List<SqlFuncExternal> SqlFuncServices { get; set; }
         public List<KeyValuePair<string, CSharpDataType>> AppendDataReaderTypeMappings { get;  set; }
+
+
+        public Action<PropertyInfo, EntityColumnInfo> EntityService{ get; set; }
     }
 }
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Utilities/ValidateExtensions.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Utilities/ValidateExtensions.cs
index 56c670467..df518b73f 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Utilities/ValidateExtensions.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Utilities/ValidateExtensions.cs
@@ -151,7 +151,7 @@ namespace SqlSugar
         }
         public static bool IsCollectionsList(this string thisValue)
         {
-            return (thisValue + "").StartsWith("System.Collections.Generic.List");
+            return (thisValue + "").StartsWith("System.Collections.Generic.List")|| (thisValue + "").StartsWith("System.Collections.Generic.IEnumerable");
         }
         public static bool IsStringArray(this string thisValue)
         {