diff --git a/FreeSql.Tests/UnitTest1.cs b/FreeSql.Tests/UnitTest1.cs
index 287c2182..eb7e387f 100644
--- a/FreeSql.Tests/UnitTest1.cs
+++ b/FreeSql.Tests/UnitTest1.cs
@@ -148,7 +148,8 @@ namespace FreeSql.Tests {
 			var list111 = select.From<TestTypeInfo, TestTypeParentInfo>((s, b, c) => s
 				.InnerJoin(a => a.TypeGuid == b.Guid)
 				.LeftJoin(a => c.Id == b.ParentId)
-				.Where(a => b.Name != "xxx")).ToList((a, b, c) => new {
+				.Where(a => b.Name != "xxx"))
+				.ToList((a, b, c) => new {
 					a.Id,
 					a.Title,
 					a.Type,
diff --git a/FreeSql/Internal/UtilsExpressionTree.cs b/FreeSql/Internal/UtilsExpressionTree.cs
index 26ea8e08..28ff4b40 100644
--- a/FreeSql/Internal/UtilsExpressionTree.cs
+++ b/FreeSql/Internal/UtilsExpressionTree.cs
@@ -385,7 +385,7 @@ namespace FreeSql.Internal {
 						}
 
 						if (isLazy) {
-							cscode.Append("	private bool __lazy__").Append(pnv.Name).AppendLine(" = false;")
+							cscode.Append("	public bool __lazy__").Append(pnv.Name).AppendLine(" = false;")
 									.Append("	public override ").Append(propTypeName).Append(" ").Append(pnv.Name).AppendLine(" {");
 							if (vp.Item2) { //get 重写
 								cscode.Append("		get {\r\n")
@@ -460,7 +460,7 @@ namespace FreeSql.Internal {
 						}
 
 						if (isLazy) {
-							cscode.Append("	private bool __lazy__").Append(pnv.Name).AppendLine(" = false;")
+							cscode.Append("	public bool __lazy__").Append(pnv.Name).AppendLine(" = false;")
 								.Append("	public override ").Append(propTypeName).Append(" ").Append(pnv.Name).AppendLine(" {");
 							if (vp.Item2) { //get 重写
 								cscode.Append("		get {\r\n")
@@ -550,7 +550,7 @@ namespace FreeSql.Internal {
 					}
 
 					if (isLazy) {
-						cscode.Append("	private bool __lazy__").Append(pnv.Name).AppendLine(" = false;")
+						cscode.Append("	public bool __lazy__").Append(pnv.Name).AppendLine(" = false;")
 							.Append("	public override ").Append(propTypeName).Append(" ").Append(pnv.Name).AppendLine(" {");
 						if (vp.Item2) { //get 重写
 							cscode.Append("		get {\r\n")
diff --git a/FreeSql/PostgreSQL/PostgreSQLAdo/PostgreSQLAdo.cs b/FreeSql/PostgreSQL/PostgreSQLAdo/PostgreSQLAdo.cs
index acafafc0..80540292 100644
--- a/FreeSql/PostgreSQL/PostgreSQLAdo/PostgreSQLAdo.cs
+++ b/FreeSql/PostgreSQL/PostgreSQLAdo/PostgreSQLAdo.cs
@@ -30,8 +30,10 @@ namespace FreeSql.PostgreSQL {
 			if (param == null) return "NULL";
 			if (param is bool || param is bool?)
 				return (bool)param ? "'t'" : "'f'";
-			else if (param is string || param is char || param is Enum)
+			else if (param is string || param is char)
 				return string.Concat("'", param.ToString().Replace("'", "''"), "'");
+			else if (param is Enum)
+				return ((Enum)param).ToInt64();
 			else if (decimal.TryParse(string.Concat(param), out var trydec))
 				return param;
 			else if (param is DateTime || param is DateTime?)