diff --git a/OrmTest/UnitTest/ExpressionTest/Where.cs b/OrmTest/UnitTest/ExpressionTest/Where.cs
index d842deadb..a2bd6ca40 100644
--- a/OrmTest/UnitTest/ExpressionTest/Where.cs
+++ b/OrmTest/UnitTest/ExpressionTest/Where.cs
@@ -27,8 +27,10 @@ namespace OrmTest.UnitTest
                 whereSingle4();
                 whereSingle5();
                 whereSingle6();
+                whereSingle7(new Student() { Id = 1 });
                 WhereMultiple1();
                 WhereMultiple2();
+          
             }
             base.End("Where Test");
         }
@@ -137,6 +139,17 @@ namespace OrmTest.UnitTest
                 new SugarParameter("@Name3","a1")
             }, "whereSingle6");
         }
+        private void whereSingle7(Student st)
+        {
+            Expression<Func<Student, bool>> exp = it => it.Id > st.Id;
+            ExpressionContext expContext = new ExpressionContext();
+            expContext.Resolve(exp, ResolveExpressType.WhereSingle);
+            var value = expContext.Result.GetString();
+            var pars = expContext.Parameters;
+            base.Check(value, pars, "( [Id] > @Id0 )", new List<SugarParameter>() {
+                new SugarParameter("@Id0",1)
+            }, "whereSingle7");
+        }
     }
 
     public class WhereConst
diff --git a/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs b/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs
index 01ec0f7b5..8562fa1fc 100644
--- a/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs
+++ b/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs
@@ -10,12 +10,24 @@ namespace SqlSugar
         public ExpressionParameter Parameter { get; set; }
         public MemberExpressionResolve(ExpressionParameter parameter) : base(parameter)
         {
-            var expression = base.Expression as MemberExpression;
-            var isLeft = parameter.IsLeft;
-            string fieldName = string.Empty;
             var baseParameter = parameter.BaseParameter;
-            baseParameter.ChildExpression = expression;
+            var isLeft = parameter.IsLeft;
             var isSetTempData = baseParameter.CommonTempData.IsValuable() && baseParameter.CommonTempData.Equals(CommonTempDataType.ChildNodeSet);
+            var expression = base.Expression as MemberExpression;
+            if (expression.Expression != null&& expression.Expression.NodeType!= ExpressionType.Parameter) {
+                var value= ExpressionTool.GetMemberValue(expression.Member, expression);
+                if (isSetTempData)
+                {
+                    baseParameter.CommonTempData = value;
+                }
+                else
+                {
+                    AppendValue(parameter, isLeft, value);
+                }
+                return;
+            }
+            string fieldName = string.Empty;
+            baseParameter.ChildExpression = expression;
             switch (parameter.Context.ResolveType)
             {
                 case ResolveExpressType.SelectSingle: