diff --git a/SqlSugar/ExpressionsToSql/ExpConst.cs b/SqlSugar/ExpressionsToSql/ExpressionConst.cs
similarity index 81%
rename from SqlSugar/ExpressionsToSql/ExpConst.cs
rename to SqlSugar/ExpressionsToSql/ExpressionConst.cs
index f3d8c7b76..0b9525a2a 100644
--- a/SqlSugar/ExpressionsToSql/ExpConst.cs
+++ b/SqlSugar/ExpressionsToSql/ExpressionConst.cs
@@ -5,7 +5,7 @@ using System.Text;
 
 namespace SqlSugar
 {
-    internal class ExpConst
+    internal class ExpressionConst
     {
         public const string BinaryExpressionInfoListKey = "BinaryExpressionInfoListKey";
         public const string BinaryFormatString = " ( {0} {1} {2} ) ";
@@ -26,7 +26,7 @@ namespace SqlSugar
         {
             get
             {
-                return ExpConst.GetThrowMessage("拉姆达解析出错：不支持{0}此种运算符查找！",
+                return ExpressionConst.GetThrowMessage("拉姆达解析出错：不支持{0}此种运算符查找！",
                                        "Lambda parsing error: {0} does not support the operator to find!");
             }
         }
@@ -34,7 +34,7 @@ namespace SqlSugar
         {
             get
             {
-                return ExpConst.GetThrowMessage("Expression format error, correct format: it=>it.fieldName",
+                return ExpressionConst.GetThrowMessage("Expression format error, correct format: it=>it.fieldName",
                                        "表达示格式错误，正确格式： it=>it.fieldName");
             }
         }
diff --git a/SqlSugar/ExpressionsToSql/ExpTool.cs b/SqlSugar/ExpressionsToSql/ExpressionTool.cs
similarity index 98%
rename from SqlSugar/ExpressionsToSql/ExpTool.cs
rename to SqlSugar/ExpressionsToSql/ExpressionTool.cs
index 82f375d86..395db9c48 100644
--- a/SqlSugar/ExpressionsToSql/ExpTool.cs
+++ b/SqlSugar/ExpressionsToSql/ExpressionTool.cs
@@ -5,7 +5,7 @@ using System.Linq.Expressions;
 using System.Text;
 namespace SqlSugar
 {
-    public class ExpTool
+    public class ExpressionTool
     {
         public static string GetOperator(ExpressionType expressiontype)
         {
diff --git a/SqlSugar/ExpressionsToSql/ResolveItems/BinaryExpressionResolve.cs b/SqlSugar/ExpressionsToSql/ResolveItems/BinaryExpressionResolve.cs
index 3746f961e..3c9ad59c0 100644
--- a/SqlSugar/ExpressionsToSql/ResolveItems/BinaryExpressionResolve.cs
+++ b/SqlSugar/ExpressionsToSql/ResolveItems/BinaryExpressionResolve.cs
@@ -11,7 +11,7 @@ namespace SqlSugar
         {
             parameter.BinaryExpressionInfoList =new List<KeyValuePair<string, BinaryExpressionInfo>>();
             var expression = this.Expression as BinaryExpression;
-            var operatorValue = ExpTool.GetOperator(expression.NodeType);
+            var operatorValue = ExpressionTool.GetOperator(expression.NodeType);
             var isComparisonOperator =
                                         expression.NodeType != ExpressionType.And &&
                                         expression.NodeType != ExpressionType.AndAlso &&
@@ -27,22 +27,22 @@ namespace SqlSugar
             base.IsLeft = null;
             string leftString = GetLeftString(parameter);
             string rightString = GetRightString(parameter);
-            string binarySql =string.Format(ExpConst.BinaryFormatString,leftString,operatorValue,rightString);
+            string binarySql =string.Format(ExpressionConst.BinaryFormatString,leftString,operatorValue,rightString);
             string sqlWhereString = base.SqlWhere.ToString();
             if (base.SqlWhere == null) {
                 base.SqlWhere = new StringBuilder();
             }
-            if (sqlWhereString.Contains(ExpConst.Format0))
+            if (sqlWhereString.Contains(ExpressionConst.Format0))
             {
-                base.SqlWhere.Replace(ExpConst.Format0, sqlWhereString);
+                base.SqlWhere.Replace(ExpressionConst.Format0, sqlWhereString);
             }
             else
             {
                 base.SqlWhere.Append(binarySql);
             }
-            if (sqlWhereString.Contains(ExpConst.Format1))
+            if (sqlWhereString.Contains(ExpressionConst.Format1))
             {
-                base.SqlWhere.Replace(ExpConst.Format1, ExpConst.Format0);
+                base.SqlWhere.Replace(ExpressionConst.Format1, ExpressionConst.Format0);
             }
         }
 
diff --git a/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs b/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs
index 0a74bb15f..73975f3e5 100644
--- a/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs
+++ b/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs
@@ -14,7 +14,7 @@ namespace SqlSugar
             var isSingle = parameter.Context.IsSingle;
             string fieldName = string.Empty;
             fieldName = isSingle ? expression.Member.Name : expression.Member.ToString();
-            parameter.BaseParameter.BinaryExpressionInfoList.Add(new KeyValuePair<string, BinaryExpressionInfo>(ExpConst.BinaryExpressionInfoListKey, new BinaryExpressionInfo()
+            parameter.BaseParameter.BinaryExpressionInfoList.Add(new KeyValuePair<string, BinaryExpressionInfo>(ExpressionConst.BinaryExpressionInfoListKey, new BinaryExpressionInfo()
             {
                 IsLeft = Convert.ToBoolean(IsLeft),
                 Value = fieldName,
diff --git a/SqlSugar/SqlSugar.csproj b/SqlSugar/SqlSugar.csproj
index c49486d25..035505208 100644
--- a/SqlSugar/SqlSugar.csproj
+++ b/SqlSugar/SqlSugar.csproj
@@ -109,7 +109,7 @@
     <Compile Include="Enum\JoinType.cs" />
     <Compile Include="Enum\OrderByType.cs" />
     <Compile Include="ExpressionsToSql\ResolveExpressType.cs" />
-    <Compile Include="ExpressionsToSql\ExpConst.cs" />
+    <Compile Include="ExpressionsToSql\ExpressionConst.cs" />
     <Compile Include="ExpressionsToSql\ResolveItems\BaseResolve.cs" />
     <Compile Include="ExpressionsToSql\ResolveItems\BinaryExpressionResolve.cs" />
     <Compile Include="ExpressionsToSql\ResolveItems\BlockExpressionResolve.cs" />
@@ -121,7 +121,7 @@
     <Compile Include="ExpressionsToSql\ResolveItems\UnaryExpressionResolve.cs" />
     <Compile Include="ExpressionsToSql\ExpResolveAccessory.cs" />
     <Compile Include="ExpressionsToSql\ExpressionContext.cs" />
-    <Compile Include="ExpressionsToSql\ExpTool.cs" />
+    <Compile Include="ExpressionsToSql\ExpressionTool.cs" />
     <Compile Include="InstanceFactory.cs" />
     <Compile Include="Interface\ICodeFirst.cs" />
     <Compile Include="Interface\IDb.cs" />