diff --git a/OrmTest/Demo/Update.cs b/OrmTest/Demo/Update.cs
index a83bad765..45f9bbed0 100644
--- a/OrmTest/Demo/Update.cs
+++ b/OrmTest/Demo/Update.cs
@@ -47,7 +47,7 @@ namespace OrmTest.Demo
 
             //Where
             var t10= db.Updateable<Student>()
-                .UpdateColumns(it => new Student() { Name = "jack", SchoolId =1 })
+                .UpdateColumns(it => new Student() { CreateTime=DateTime.Now })
                 .Where(it => it.Id == 11).ExecuteCommand();
         }
         public static SqlSugarClient GetInstance()
diff --git a/SqlSugar/ExpressionsToSql/ResolveItems/MemberInitExpressionResolve.cs b/SqlSugar/ExpressionsToSql/ResolveItems/MemberInitExpressionResolve.cs
index 1ddebc79c..858c962ce 100644
--- a/SqlSugar/ExpressionsToSql/ResolveItems/MemberInitExpressionResolve.cs
+++ b/SqlSugar/ExpressionsToSql/ResolveItems/MemberInitExpressionResolve.cs
@@ -49,7 +49,7 @@ namespace SqlSugar
                 MemberAssignment memberAssignment = (MemberAssignment)binding;
                 var memberName = memberAssignment.Member.Name;
                 var item = memberAssignment.Expression;
-                if (item.NodeType == ExpressionType.Constant || (item is MemberExpression) && ((MemberExpression)item).Expression.NodeType == ExpressionType.Constant)
+                if (item is UnaryExpression||item.NodeType == ExpressionType.Constant || (item is MemberExpression) && ((MemberExpression)item).Expression.NodeType == ExpressionType.Constant)
                 {
                     base.Expression = item;
                     base.Start();
@@ -63,7 +63,7 @@ namespace SqlSugar
                     base.Start();
                     parameter.Context.Result.Append(base.Context.GetEqString(memberName, parameter.CommonTempData.ObjToString()));
                 }
-                else if (item is MemberExpression || item is UnaryExpression)
+                else if (item is MemberExpression)
                 {
                     if (base.Context.Result.IsLockCurrentParameter == false)
                     {
diff --git a/SqlSugar/ExpressionsToSql/ResolveItems/MemberNoExpressionResolve.cs b/SqlSugar/ExpressionsToSql/ResolveItems/MemberNoExpressionResolve.cs
index 76d1440b8..bc911236f 100644
--- a/SqlSugar/ExpressionsToSql/ResolveItems/MemberNoExpressionResolve.cs
+++ b/SqlSugar/ExpressionsToSql/ResolveItems/MemberNoExpressionResolve.cs
@@ -29,6 +29,9 @@ namespace SqlSugar
             {
                 case ResolveExpressType.WhereSingle:
                 case ResolveExpressType.WhereMultiple:
+                case ResolveExpressType.SelectSingle:
+                case ResolveExpressType.SelectMultiple:
+                case ResolveExpressType.Update:
                     if (isSetTempData)
                     {
                         baseParameter.CommonTempData = value;
@@ -37,11 +40,7 @@ namespace SqlSugar
                     {
                         AppendValue(parameter, isLeft, value);
                     }
-                    break;
-                case ResolveExpressType.SelectSingle:
-                    break;
-                case ResolveExpressType.SelectMultiple:
-                    break;
+                     break;
                 case ResolveExpressType.FieldSingle:
                     break;
                 case ResolveExpressType.FieldMultiple: