diff --git a/.vs/SqlSugar/v14/.suo b/.vs/SqlSugar/v14/.suo
index 0bbfa2864..65aa6127a 100644
Binary files a/.vs/SqlSugar/v14/.suo and b/.vs/SqlSugar/v14/.suo differ
diff --git a/OrmTest/ExpressionTest/Select.cs b/OrmTest/ExpressionTest/Select.cs
new file mode 100644
index 000000000..6457a8879
--- /dev/null
+++ b/OrmTest/ExpressionTest/Select.cs
@@ -0,0 +1,22 @@
+using OrmTest.Models;
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest.ExpressionTest
+{
+    public class Select
+    {
+        internal static void Init()
+        {
+            Expression<Func<Student, object>> exp = it => new Program() { x = it.Name };
+            ExpressionContext expContext = new ExpressionContext(exp, ResolveExpressType.WhereSingle);
+            expContext.ResolveType = ResolveExpressType.SelectSingle;
+            var x= expContext.ToResultString();
+        }
+    }
+}
diff --git a/OrmTest/OrmTest.csproj b/OrmTest/OrmTest.csproj
index 2a4b6c44a..5d78e4a75 100644
--- a/OrmTest/OrmTest.csproj
+++ b/OrmTest/OrmTest.csproj
@@ -43,6 +43,7 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="ExpressionTest\Select.cs" />
     <Compile Include="Models\School.cs" />
     <Compile Include="Models\Student.cs" />
     <Compile Include="Program.cs" />
diff --git a/OrmTest/Program.cs b/OrmTest/Program.cs
index 4e1eef834..cadd56e2f 100644
--- a/OrmTest/Program.cs
+++ b/OrmTest/Program.cs
@@ -21,6 +21,11 @@ namespace OrmTest
         public static string id { get; set;}
         static void Main(string[] args)
         {
+
+
+            OrmTest.ExpressionTest.Select.Init();
+
+
             Program.id = "xx";
             string x = "1";
             Expression<Func<Student, object>> exp = it => new Program() { x=it.Name };
diff --git a/OrmTest/bin/Debug/OrmTest.exe b/OrmTest/bin/Debug/OrmTest.exe
index 3c01f02e0..dc268da73 100644
Binary files a/OrmTest/bin/Debug/OrmTest.exe and b/OrmTest/bin/Debug/OrmTest.exe differ
diff --git a/OrmTest/bin/Debug/OrmTest.pdb b/OrmTest/bin/Debug/OrmTest.pdb
index 69407189e..e41d45509 100644
Binary files a/OrmTest/bin/Debug/OrmTest.pdb and b/OrmTest/bin/Debug/OrmTest.pdb differ
diff --git a/OrmTest/bin/Debug/SqlSugar.dll b/OrmTest/bin/Debug/SqlSugar.dll
index c91e1f0e1..22c45626c 100644
Binary files a/OrmTest/bin/Debug/SqlSugar.dll and b/OrmTest/bin/Debug/SqlSugar.dll differ
diff --git a/OrmTest/bin/Debug/SqlSugar.pdb b/OrmTest/bin/Debug/SqlSugar.pdb
index 906fd9915..3f8814e26 100644
Binary files a/OrmTest/bin/Debug/SqlSugar.pdb and b/OrmTest/bin/Debug/SqlSugar.pdb differ
diff --git a/OrmTest/obj/Debug/OrmTest.csprojResolveAssemblyReference.cache b/OrmTest/obj/Debug/OrmTest.csprojResolveAssemblyReference.cache
index c97975cc5..09bc733ad 100644
Binary files a/OrmTest/obj/Debug/OrmTest.csprojResolveAssemblyReference.cache and b/OrmTest/obj/Debug/OrmTest.csprojResolveAssemblyReference.cache differ
diff --git a/OrmTest/obj/Debug/OrmTest.exe b/OrmTest/obj/Debug/OrmTest.exe
index 3c01f02e0..dc268da73 100644
Binary files a/OrmTest/obj/Debug/OrmTest.exe and b/OrmTest/obj/Debug/OrmTest.exe differ
diff --git a/OrmTest/obj/Debug/OrmTest.pdb b/OrmTest/obj/Debug/OrmTest.pdb
index 69407189e..e41d45509 100644
Binary files a/OrmTest/obj/Debug/OrmTest.pdb and b/OrmTest/obj/Debug/OrmTest.pdb differ
diff --git a/SqlSugar/ExpressionsToSql/ExpressionContext.cs b/SqlSugar/ExpressionsToSql/ExpressionContext.cs
index 4fdc847f1..d9f5598b5 100644
--- a/SqlSugar/ExpressionsToSql/ExpressionContext.cs
+++ b/SqlSugar/ExpressionsToSql/ExpressionContext.cs
@@ -13,9 +13,9 @@ namespace SqlSugar
         private ExpressionContext() {
 
         }
-        public ExpressionContext(Expression expression, ResolveExpressType type)
+        public ExpressionContext(Expression expression, ResolveExpressType resolveType)
         {
-            this.Type = type;
+            this.ResolveType = resolveType;
             this.Expression = expression;
         }
         #endregion
@@ -23,7 +23,7 @@ namespace SqlSugar
         #region properties
         public IDbMethods DbMehtods { get; set; }
         public int Index { get; set; }
-        public ResolveExpressType Type { get; set; }
+        public ResolveExpressType ResolveType { get; set; }
         public Expression Expression { get; set; }
         public StringBuilder ResultString { get; set; }
         public object ResultObj { get; set; }
@@ -31,7 +31,7 @@ namespace SqlSugar
         {
             get
             {
-                return this.Type == ResolveExpressType.WhereSingle;
+                return this.ResolveType == ResolveExpressType.WhereSingle;
             }
         }
         public List<SugarParameter> Parameters
diff --git a/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs b/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs
index 2ddedad54..21338de23 100644
--- a/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs
+++ b/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs
@@ -13,7 +13,7 @@ namespace SqlSugar
             var isLeft = parameter.IsLeft;
             var isWhereSingle = parameter.Context.IsWhereSingle;
             string fieldName = string.Empty;
-            switch (parameter.Context.Type)
+            switch (parameter.Context.ResolveType)
             {
                 case ResolveExpressType.WhereSingle:
                     fieldName = GetFieldNameByWhereSingle(parameter, expression, isLeft);
diff --git a/SqlSugar/ExpressionsToSql/ResolveItems/MemberInitExpressionResolve.cs b/SqlSugar/ExpressionsToSql/ResolveItems/MemberInitExpressionResolve.cs
index 48941db0e..62c66414e 100644
--- a/SqlSugar/ExpressionsToSql/ResolveItems/MemberInitExpressionResolve.cs
+++ b/SqlSugar/ExpressionsToSql/ResolveItems/MemberInitExpressionResolve.cs
@@ -11,7 +11,7 @@ namespace SqlSugar
         public MemberInitExpressionResolve(ExpressionParameter parameter) : base(parameter)
         {
             var expression = base.Expression as MemberInitExpression;
-            switch (parameter.Context.Type)
+            switch (parameter.Context.ResolveType)
             {
                 case ResolveExpressType.WhereSingle:
                     break;
diff --git a/SqlSugar/bin/Debug/SqlSugar.dll b/SqlSugar/bin/Debug/SqlSugar.dll
index c91e1f0e1..22c45626c 100644
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diff --git a/SqlSugar/bin/Debug/SqlSugar.pdb b/SqlSugar/bin/Debug/SqlSugar.pdb
index 906fd9915..3f8814e26 100644
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diff --git a/SqlSugar/obj/Debug/SqlSugar.dll b/SqlSugar/obj/Debug/SqlSugar.dll
index c91e1f0e1..22c45626c 100644
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diff --git a/SqlSugar/obj/Debug/SqlSugar.pdb b/SqlSugar/obj/Debug/SqlSugar.pdb
index 906fd9915..3f8814e26 100644
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