diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/DbBindProvider/DbBindProvider.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/DbBindProvider/DbBindProvider.cs
index aa797e00c..1cb6ea982 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/DbBindProvider/DbBindProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/DbBindProvider/DbBindProvider.cs
@@ -19,7 +19,7 @@ namespace SqlSugar
         public virtual string GetDbTypeName(string csharpTypeName)
         {
             if (csharpTypeName == UtilConstants.ByteArrayType.Name)
-                return "varbinary";
+                return "bytea";
             if (csharpTypeName.ToLower() == "int32")
                 csharpTypeName = "int";
             if (csharpTypeName.ToLower() == "int16")
diff --git a/Src/Asp.NetCore2/SqlSugar/Infrastructure/ContextMethods.cs b/Src/Asp.NetCore2/SqlSugar/Infrastructure/ContextMethods.cs
index 643da1ce7..853901561 100644
--- a/Src/Asp.NetCore2/SqlSugar/Infrastructure/ContextMethods.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Infrastructure/ContextMethods.cs
@@ -764,7 +764,7 @@ namespace SqlSugar
         public  DataTable ListToDataTable<T>(List<T> list)
         {
             DataTable result = new  DataTable();
-            if (list.Count > 0)
+            if (list!=null&&list.Count > 0)
             {
                 PropertyInfo[] propertys = list[0].GetType().GetProperties();
                 foreach (PropertyInfo pi in propertys)
diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/DbBind/PostgreSQLDbBind.cs b/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/DbBind/PostgreSQLDbBind.cs
index ab27df1b9..7e4323238 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/DbBind/PostgreSQLDbBind.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/DbBind/PostgreSQLDbBind.cs
@@ -81,7 +81,7 @@ namespace SqlSugar
                     new KeyValuePair<string, CSharpDataType>("boolean",CSharpDataType.@bool),
                     new KeyValuePair<string, CSharpDataType>("bool",CSharpDataType.@bool),
                     new KeyValuePair<string, CSharpDataType>("box",CSharpDataType.@bool),
-                    new KeyValuePair<string, CSharpDataType>("bytea",CSharpDataType.@bool),
+                    new KeyValuePair<string, CSharpDataType>("bytea",CSharpDataType.byteArray),
 
                     new KeyValuePair<string, CSharpDataType>("varchar",CSharpDataType.@string),
                     new KeyValuePair<string, CSharpDataType>("character varying",CSharpDataType.@string),
diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/SqlServer/DbBind/SqlServerDbBind.cs b/Src/Asp.NetCore2/SqlSugar/Realization/SqlServer/DbBind/SqlServerDbBind.cs
index 54a63c067..94e94f06e 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/SqlServer/DbBind/SqlServerDbBind.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/SqlServer/DbBind/SqlServerDbBind.cs
@@ -62,8 +62,8 @@ namespace SqlSugar
                   new KeyValuePair<string, CSharpDataType>("smallint",CSharpDataType.@short),
                   new KeyValuePair<string, CSharpDataType>("tinyint",CSharpDataType.@byte),
                   new KeyValuePair<string, CSharpDataType>("uniqueidentifier",CSharpDataType.Guid),
-                  new KeyValuePair<string, CSharpDataType>("binary",CSharpDataType.byteArray),
                   new KeyValuePair<string, CSharpDataType>("image",CSharpDataType.byteArray),
+                  new KeyValuePair<string, CSharpDataType>("binary",CSharpDataType.byteArray),
                   new KeyValuePair<string, CSharpDataType>("varbinary",CSharpDataType.byteArray),
                   new KeyValuePair<string, CSharpDataType>("datetimeoffset", CSharpDataType.DateTimeOffset),
                   new KeyValuePair<string, CSharpDataType>("datetimeoffset", CSharpDataType.DateTime)};