diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/FilterProvider/FilterProvider.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/FilterProvider/FilterProvider.cs
index 3151cff8d..d083762f1 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/FilterProvider/FilterProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/FilterProvider/FilterProvider.cs
@@ -1,7 +1,10 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Linq.Expressions;
+using System.Runtime.InteropServices;
 using System.Text;
+using static SqlSugar.QueryFilterProvider;
 
 namespace SqlSugar
 {
@@ -9,6 +12,7 @@ namespace SqlSugar
     {
         internal SqlSugarProvider Context { get; set; }
         private List<SqlFilterItem> _Filters { get; set; }
+        private List<SqlFilterItem> _BackUpFilters { get; set; }
 
         public IFilter Add(SqlFilterItem filter)
         {
@@ -46,5 +50,51 @@ namespace SqlSugar
         {
             _Filters = new List<SqlFilterItem>();
         }
+        public void ClearAndBackup()
+        {
+            _BackUpFilters = _Filters;
+            _Filters = new List<SqlFilterItem>();
+        }
+
+        public void Restore() 
+        {
+            _Filters = _BackUpFilters;
+            if (_Filters == null) 
+            {
+                _Filters = new List<SqlFilterItem>();
+            }
+        }
+
+        public void AddTableFilter<T>(Expression<Func<T,bool>> expression, FilterJoinPosition filterJoinType = FilterJoinPosition.On) where T : class,new()
+        {
+            var isOn = filterJoinType == FilterJoinPosition.On;
+            var tableFilter = new TableFilterItem<T>(expression, isOn);
+            this.Add(tableFilter);
+        }
+        public void AddTableFilterIF<T>(bool isAppendFilter,Expression<Func<T, bool>> expression, FilterJoinPosition filterJoinType = FilterJoinPosition.On) where T : class, new()
+        {
+            if (isAppendFilter) 
+            {
+                AddTableFilter(expression, filterJoinType);
+            }
+        }
+        public void AddTableFilter(Type type,Expression expression, FilterJoinPosition filterJoinType = FilterJoinPosition.On)
+        {
+            var isOn = filterJoinType == FilterJoinPosition.On;
+            this.Add(new TableFilterItem<object>(type, expression, isOn));
+        }
+
+        public void AddTableFilterIF(bool isAppendFilter, Type type, Expression expression, FilterJoinPosition posType = FilterJoinPosition.On)
+        {
+            if (isAppendFilter)
+            {
+                AddTableFilter(type, expression, posType);
+            }
+        }
+        public enum FilterJoinPosition
+        {
+            On=0,
+            Where=1
+        }
     }
 }
diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
index 73bc17fda..44e4dbed8 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
@@ -539,6 +539,11 @@ namespace SqlSugar
                             FieldValue = value.ObjToStringNew(),
                             CSharpTypeName = column.PropertyInfo.PropertyType.Name
                         });
+                        if(value is Enum&&this.Context.CurrentConnectionConfig?.MoreSettings?.TableEnumIsString!=true)
+                        {
+                            data.Value.FieldValue = Convert.ToInt64(value).ObjToString();
+                            data.Value.CSharpTypeName = "int";
+                        }
                         //if (this.Context.CurrentConnectionConfig.DbType == DbType.PostgreSQL) 
                         //{
                         //    data.Value.FieldValueConvertFunc = it =>
diff --git a/Src/Asp.NetCore2/SqlSugar/IntegrationServices/SplitTableService.cs b/Src/Asp.NetCore2/SqlSugar/IntegrationServices/SplitTableService.cs
index d2fb6c00c..0412abe6f 100644
--- a/Src/Asp.NetCore2/SqlSugar/IntegrationServices/SplitTableService.cs
+++ b/Src/Asp.NetCore2/SqlSugar/IntegrationServices/SplitTableService.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
@@ -223,7 +223,7 @@ namespace SqlSugar
                 case SplitType.Year:
                     return Convert.ToDateTime(time.ToString("yyyy-01-01"));
                 default:
-                    throw new Exception($"SplitType paramter error ");
+                    throw new Exception($"SplitType parameter error ");
             }
         }
         private DateTime GetMondayDate()