diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/UQueryable.cs b/Src/Asp.Net/SqlServerTest/UnitTest/UQueryable.cs
index 2badb38dd..0b4a873fb 100644
--- a/Src/Asp.Net/SqlServerTest/UnitTest/UQueryable.cs
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/UQueryable.cs
@@ -25,6 +25,15 @@ namespace OrmTest
             //Db.DbMaintenance.TruncateTable<TestTree>();
             //Db.Ado.ExecuteCommand("insert testtree values(hierarchyid::GetRoot(),'name')");
             //var list2 = Db.Queryable<TestTree>().ToList();
+
+            Db.CodeFirst.InitTables<GuidTable>();
+            Db.Queryable<GuidTable>().Where(it => it.Id.HasValue).ToList();
+        }
+
+
+        public class GuidTable
+        {
+            public Guid? Id { get; set; }
         }
     }
 }
diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/Common/MethodCallExpressionModel.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/Common/MethodCallExpressionModel.cs
index c0a51d1f6..ffe4a2e06 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/Common/MethodCallExpressionModel.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/Common/MethodCallExpressionModel.cs
@@ -17,5 +17,6 @@ namespace SqlSugar
         public bool IsMember { get; set; }
         public object MemberName { get; set; }
         public object MemberValue { get; set; }
+        public Type Type { get;  set; }
     }
 }
diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs
index 94227ef69..40e72deee 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs
@@ -336,6 +336,10 @@ namespace SqlSugar
             this.Expression = expression.Expression;
             this.Start();
             var methodParamter = new MethodCallExpressionArgs() { IsMember = true, MemberName = parameter.CommonTempData, MemberValue = null };
+            if (expression.Expression?.Type != null)
+            {
+                methodParamter.Type =UtilMethods.GetUnderType(expression.Expression?.Type);
+            }
             var result = this.Context.DbMehtods.HasValue(new MethodCallExpressionModel()
             {
                 Args = new List<MethodCallExpressionArgs>() {
diff --git a/Src/Asp.Net/SqlSugar/Realization/SqlServer/SqlBuilder/SqlServerExpressionContext.cs b/Src/Asp.Net/SqlSugar/Realization/SqlServer/SqlBuilder/SqlServerExpressionContext.cs
index 80ff5b350..210f4872b 100644
--- a/Src/Asp.Net/SqlSugar/Realization/SqlServer/SqlBuilder/SqlServerExpressionContext.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/SqlServer/SqlBuilder/SqlServerExpressionContext.cs
@@ -20,6 +20,18 @@ namespace SqlSugar
     }
     public partial class SqlServerMethod : DefaultDbMethod, IDbMethods
     {
-
+        public override string HasValue(MethodCallExpressionModel model)
+        {
+            if (model.Args[0].Type == UtilConstants.GuidType)
+            {
+                var parameter = model.Args[0];
+                return string.Format("( {0} IS NOT NULL )", parameter.MemberName);
+            }
+            else
+            {
+                var parameter = model.Args[0];
+                return string.Format("( {0}<>'' AND {0} IS NOT NULL )", parameter.MemberName);
+            }
+        }
     }
 }