diff --git a/SqlSugar/Common/IsWhatExtensions.cs b/SqlSugar/Common/IsWhatExtensions.cs
index 249df3163..5e3a1b3b0 100644
--- a/SqlSugar/Common/IsWhatExtensions.cs
+++ b/SqlSugar/Common/IsWhatExtensions.cs
@@ -7,141 +7,80 @@ namespace SqlSugar
 {
     internal static class IsWhatExtensions
     {
-        /// <summary>
-        /// 值在的范围？
-        /// </summary>
-        /// <param name="thisValue"></param>
-        /// <param name="begin">大于等于begin</param>
-        /// <param name="end">小于等于end</param>
-        /// <returns></returns>
+
         public static bool IsInRange(this int thisValue, int begin, int end)
         {
             return thisValue >= begin && thisValue <= end;
         }
-        /// <summary>
-        /// 值在的范围？
-        /// </summary>
-        /// <param name="thisValue"></param>
-        /// <param name="begin">大于等于begin</param>
-        /// <param name="end">小于等于end</param>
-        /// <returns></returns>
+
         public static bool IsInRange(this DateTime thisValue, DateTime begin, DateTime end)
         {
             return thisValue >= begin && thisValue <= end;
         }
 
-        /// <summary>
-        /// 在里面吗?
-        /// </summary>
-        /// <typeparam name="T"></typeparam>
-        /// <param name="thisValue"></param>
-        /// <param name="values"></param>
-        /// <returns></returns>
         public static bool IsIn<T>(this T thisValue, params T[] values)
         {
             return values.Contains(thisValue);
         }
 
-       /// <summary>
-        /// 在里面吗?
-       /// </summary>
-       /// <param name="thisValue"></param>
-       /// <param name="inValues"></param>
-       /// <returns></returns>
         public static bool IsContainsIn(this string thisValue, params string[] inValues)
         {
             return inValues.Any(it => thisValue.Contains(it));
         }
 
-        /// <summary>
-        /// 是null或""?
-        /// </summary>
-        /// <returns></returns>
         public static bool IsNullOrEmpty(this object thisValue)
         {
             if (thisValue == null || thisValue == DBNull.Value) return true;
             return thisValue.ToString() == "";
         }
-        /// <summary>
-        /// 是null或""?
-        /// </summary>
-        /// <returns></returns>
+
         public static bool IsNullOrEmpty(this Guid? thisValue)
         {
             if (thisValue == null) return true;
             return thisValue == Guid.Empty;
         }
-        /// <summary>
-        /// 是null或""?
-        /// </summary>
-        /// <returns></returns>
+  
         public static bool IsNullOrEmpty(this Guid thisValue)
         {
             if (thisValue == null) return true;
             return thisValue == Guid.Empty;
         }
 
-        /// <summary>
-        /// 是null或""?
-        /// </summary>
-        /// <returns></returns>
         public static bool IsNullOrEmpty(this IEnumerable<object> thisValue)
         {
             if (thisValue == null || thisValue.Count() == 0) return true;
             return false;
         }
 
-        /// <summary>
-        /// 有值?(与IsNullOrEmpty相反)
-        /// </summary>
-        /// <returns></returns>
         public static bool IsValuable(this object thisValue)
         {
             if (thisValue == null || thisValue == DBNull.Value) return false;
             return thisValue.ToString() != "";
         }
-        /// <summary>
-        /// 有值?(与IsNullOrEmpty相反)
-        /// </summary>
-        /// <returns></returns>
+
         public static bool IsValuable(this IEnumerable<object> thisValue)
         {
             if (thisValue == null || thisValue.Count() == 0) return false;
             return true;
         }
-        /// <summary>
-        /// 有值?(与IsNullOrEmpty相反)
-        /// </summary>
-        /// <returns></returns>
+
         public static bool IsValuable(this IEnumerable<KeyValuePair<string,string>> thisValue)
         {
             if (thisValue == null || thisValue.Count() == 0) return false;
             return true;
         }
-        /// <summary>
-        /// 是零?
-        /// </summary>
-        /// <param name="thisValue"></param>
-        /// <returns></returns>
+
         public static bool IsZero(this object thisValue)
         {
             return (thisValue == null || thisValue.ToString() == "0");
         }
 
-        /// <summary>
-        /// 是INT?
-        /// </summary>
-        /// <param name="thisValue"></param>
-        /// <returns></returns>
         public static bool IsInt(this object thisValue)
         {
             if (thisValue == null) return false;
             return Regex.IsMatch(thisValue.ToString(), @"^\d+$");
         }
-        /// <summary>
-        /// 不是INT?
-        /// </summary>
-        /// <param name="thisValue"></param>
+
         /// <returns></returns>
         public static bool IsNoInt(this object thisValue)
         {
@@ -149,23 +88,12 @@ namespace SqlSugar
             return !Regex.IsMatch(thisValue.ToString(), @"^\d+$");
         }
 
-        /// <summary>
-        /// 是金钱?
-        /// </summary>
-        /// <param name="thisValue"></param>
-        /// <returns></returns>
         public static bool IsMoney(this object thisValue)
         {
             if (thisValue == null) return false;
             double outValue = 0;
             return double.TryParse(thisValue.ToString(), out outValue);
         }
-
-        /// <summary>
-        /// 是GUID?
-        /// </summary>
-        /// <param name="thisValue"></param>
-        /// <returns></returns>
         public static bool IsGuid(this object thisValue)
         {
             if (thisValue == null) return false;
@@ -173,11 +101,6 @@ namespace SqlSugar
             return Guid.TryParse(thisValue.ToString(), out outValue);
         }
 
-        /// <summary>
-        /// 是时间?
-        /// </summary>
-        /// <param name="thisValue"></param>
-        /// <returns></returns>
         public static bool IsDate(this object thisValue)
         {
             if (thisValue == null) return false;
diff --git a/SqlSugar/Entities/ConnectionConfig.cs b/SqlSugar/Entities/ConnectionConfig.cs
index 6e428c2f6..1991d3f73 100644
--- a/SqlSugar/Entities/ConnectionConfig.cs
+++ b/SqlSugar/Entities/ConnectionConfig.cs
@@ -5,13 +5,6 @@ using System.Text;
 using System.Threading.Tasks;
 namespace SqlSugar
 {
-    public interface IConnectionConfig
-    {
-        string DbType { get; set; }
-        string ConnectionString { get; set; }
-        bool IsAutoCloseConnection { get; set; }
-    }
-
     public class SystemTableConfig : IConnectionConfig
     {
         public string DbType { get; set; }
diff --git a/SqlSugar/Interface/IConnectionConfig.cs b/SqlSugar/Interface/IConnectionConfig.cs
new file mode 100644
index 000000000..de1063d7a
--- /dev/null
+++ b/SqlSugar/Interface/IConnectionConfig.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace SqlSugar
+{
+    public interface IConnectionConfig
+    {
+        string DbType { get; set; }
+        string ConnectionString { get; set; }
+        bool IsAutoCloseConnection { get; set; }
+    }
+
+}
diff --git a/SqlSugar/SqlSugar.csproj b/SqlSugar/SqlSugar.csproj
index 3de907f6f..a6c243cdb 100644
--- a/SqlSugar/SqlSugar.csproj
+++ b/SqlSugar/SqlSugar.csproj
@@ -58,6 +58,7 @@
     <Compile Include="Abstract\InsertableProvider\InsertableProvider.cs" />
     <Compile Include="Abstract\DeleteProvider\DeleteableProvider.cs" />
     <Compile Include="Abstract\UpdateProvider\UpdateableProvider.cs" />
+    <Compile Include="Interface\IConnectionConfig.cs" />
     <Compile Include="Realization\SqlServer\Core\SqlBuilder\SqlServerDeleteBuilder.cs" />
     <Compile Include="Realization\SqlServer\Core\SqlBuilder\SqlServerInsertBuilder.cs" />
     <Compile Include="Entities\EntityColumnInfo.cs" />