diff --git a/OrmTest/ExpressionTest/Method.cs b/OrmTest/ExpressionTest/Method.cs
index 55201091b..bc740c9d5 100644
--- a/OrmTest/ExpressionTest/Method.cs
+++ b/OrmTest/ExpressionTest/Method.cs
@@ -22,6 +22,7 @@ namespace OrmTest.ExpressionTest
             for (int i = 0; i < base.Count; i++)
             {
                 StringIsNullOrEmpty();
+                StringIsNullOrEmpty2();
             }
             base.End("Method Test");
         }
@@ -34,7 +35,20 @@ namespace OrmTest.ExpressionTest
             var pars = expContext.Parameters;
             base.Check(value, pars, "(( Id  > @Id0 )  OR  ( Id='' OR Id IS NULL ))", new List<SugarParameter>() {
                 new SugarParameter("@Id0",2)
-            }, "whereSingle1");
+            }, "StringIsNullOrEmpty");
+        }
+
+        private void StringIsNullOrEmpty2()
+        {
+            Expression<Func<Student, bool>> exp = it => 2==it.Id  || NBORM.IsNullOrEmpty(true); ;
+            SqlServerExpressionContext expContext = new SqlServerExpressionContext(exp, ResolveExpressType.WhereSingle);
+            expContext.Resolve();
+            var value = expContext.Result.GetString();
+            var pars = expContext.Parameters;
+            base.Check(value, pars, "(( Id  > @Id0 )  OR  ( Id='' OR Id IS NULL ))", new List<SugarParameter>() {
+                new SugarParameter("@Id0",2)
+            }, "StringIsNullOrEmpty2");
         }
     }
 }
+
diff --git a/SqlSugar/ExpressionsToSql/ResolveItems/ConstantExpressionResolve.cs b/SqlSugar/ExpressionsToSql/ResolveItems/ConstantExpressionResolve.cs
index 7b7d97c38..c6065c81a 100644
--- a/SqlSugar/ExpressionsToSql/ResolveItems/ConstantExpressionResolve.cs
+++ b/SqlSugar/ExpressionsToSql/ResolveItems/ConstantExpressionResolve.cs
@@ -13,17 +13,24 @@ namespace SqlSugar
             var expression = base.Expression as ConstantExpression;
             var isLeft = parameter.IsLeft;
             object value = expression.Value;
+            var baseParameter = parameter.BaseParameter;
+            var isSetTempData = baseParameter.CommonTempData.IsValuable() && baseParameter.CommonTempData.Equals(CommonTempDataType.ChildNodeSet);
             switch (parameter.Context.ResolveType)
             {
                 case ResolveExpressType.SelectSingle:
                 case ResolveExpressType.SelectMultiple:
-                    parameter.BaseParameter.CommonTempData = value;
+                    baseParameter.CommonTempData = value;
                     break;
                 case ResolveExpressType.WhereSingle:
-                    AppendParameter(parameter, isLeft, value);
-                    break;
                 case ResolveExpressType.WhereMultiple:
-                    AppendParameter(parameter, isLeft, value);
+                    if (isSetTempData)
+                    {
+                        baseParameter.CommonTempData = value;
+                    }
+                    else
+                    {
+                        AppendParameter(parameter, isLeft, value);
+                    }
                     break;
                 case ResolveExpressType.FieldSingle:
                 case ResolveExpressType.FieldMultiple:
diff --git a/SqlSugar/ExpressionsToSql/ResolveItems/UnaryExpressionResolve.cs b/SqlSugar/ExpressionsToSql/ResolveItems/UnaryExpressionResolve.cs
index d77aee1e6..6178c88ee 100644
--- a/SqlSugar/ExpressionsToSql/ResolveItems/UnaryExpressionResolve.cs
+++ b/SqlSugar/ExpressionsToSql/ResolveItems/UnaryExpressionResolve.cs
@@ -16,7 +16,7 @@ namespace SqlSugar
                 case ResolveExpressType.WhereSingle:
                 case ResolveExpressType.WhereMultiple:
                     base.Expression = expression.Operand;
-                    if (base.Expression is MemberExpression)
+                    if (base.Expression is MemberExpression|| base.Expression is ConstantExpression)
                     {
                         BaseParameter.ChildExpression = base.Expression;
                         parameter.CommonTempData = CommonTempDataType.ChildNodeSet;