Update InsertNav

Src/Asp.Net/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProviderOneToMany.cs

@@ -24,6 +24,10 @@ namespace SqlSugar
             {
                 parentPkColumn = parentNavColumn;
             }
+            if (ParentIsPk(parentNavigateProperty))
+            {
+                parentPkColumn = this._ParentEntity.Columns.FirstOrDefault(it => it.IsPrimarykey);
+            }
             foreach (var item in parentList)
             {
                 var parentValue = parentPkColumn.PropertyInfo.GetValue(item);
@@ -42,6 +46,14 @@ namespace SqlSugar
             SetNewParent<TChild>(thisEntity, thisPkColumn);
         }
 
+        private static bool ParentIsPk(EntityColumnInfo parentNavigateProperty)
+        {
+            return parentNavigateProperty != null && 
+                   parentNavigateProperty.Navigat != null && 
+                   parentNavigateProperty.Navigat.NavigatType == NavigateType.OneToMany && 
+                   parentNavigateProperty.Navigat.Name2==null;
+        }
+
         private EntityColumnInfo GetParentPkColumn()
         {
             EntityColumnInfo parentPkColumn = _ParentPkColumn;