diff --git a/Src/Asp.Net/SqlSugar/Realization/Kdbndp/DbBind/KdbndpBind.cs b/Src/Asp.Net/SqlSugar/Realization/Kdbndp/DbBind/KdbndpBind.cs
index 78b322ddf..8919313e3 100644
--- a/Src/Asp.Net/SqlSugar/Realization/Kdbndp/DbBind/KdbndpBind.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/Kdbndp/DbBind/KdbndpBind.cs
@@ -66,6 +66,7 @@ namespace SqlSugar
         public static List<KeyValuePair<string, CSharpDataType>> MappingTypesConst = new List<KeyValuePair<string, CSharpDataType>>(){
 
                     new KeyValuePair<string, CSharpDataType>("int2",CSharpDataType.@short),
+                    new KeyValuePair<string, CSharpDataType>("int1",CSharpDataType.@byte),
                     new KeyValuePair<string, CSharpDataType>("smallint",CSharpDataType.@short),
                     new KeyValuePair<string, CSharpDataType>("int4",CSharpDataType.@int),
                     new KeyValuePair<string, CSharpDataType>("integer",CSharpDataType.@int),
diff --git a/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/DbBind/PostgreSQLDbBind.cs b/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/DbBind/PostgreSQLDbBind.cs
index a8f3561b1..cb68b5adb 100644
--- a/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/DbBind/PostgreSQLDbBind.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/DbBind/PostgreSQLDbBind.cs
@@ -82,6 +82,7 @@ namespace SqlSugar
         public static List<KeyValuePair<string, CSharpDataType>> MappingTypesConst = new List<KeyValuePair<string, CSharpDataType>>(){
 
                     new KeyValuePair<string, CSharpDataType>("int2",CSharpDataType.@short),
+                    new KeyValuePair<string, CSharpDataType>("int1",CSharpDataType.@byte),
                     new KeyValuePair<string, CSharpDataType>("smallint",CSharpDataType.@short),
                     new KeyValuePair<string, CSharpDataType>("int4",CSharpDataType.@int),
                     new KeyValuePair<string, CSharpDataType>("serial",CSharpDataType.@int),