diff --git a/Src/Asp.Net/SqlSugar/Realization/Oracle/DbBind/OracleDbBind.cs b/Src/Asp.Net/SqlSugar/Realization/Oracle/DbBind/OracleDbBind.cs
index 42fb2ccbc..4bc548857 100644
--- a/Src/Asp.Net/SqlSugar/Realization/Oracle/DbBind/OracleDbBind.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/Oracle/DbBind/OracleDbBind.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -111,12 +111,12 @@ namespace SqlSugar
                   new KeyValuePair<string, CSharpDataType>("timestamp",CSharpDataType.DateTime),
                   new KeyValuePair<string, CSharpDataType>("timestamp with local time zone",CSharpDataType.DateTime),
                   new KeyValuePair<string, CSharpDataType>("timestamp with time zone",CSharpDataType.DateTime),
-                  new KeyValuePair<string, CSharpDataType>("timestamp with time zone",CSharpDataType.DateTime),
 
                   new KeyValuePair<string, CSharpDataType>("float",CSharpDataType.@decimal),
 
                   new KeyValuePair<string, CSharpDataType>("blob",CSharpDataType.byteArray),
                   new KeyValuePair<string, CSharpDataType>("long raw",CSharpDataType.byteArray),
+                  new KeyValuePair<string, CSharpDataType>("longraw",CSharpDataType.byteArray),
                   new KeyValuePair<string, CSharpDataType>("raw",CSharpDataType.byteArray),
                   new KeyValuePair<string, CSharpDataType>("bfile",CSharpDataType.byteArray),
                   new KeyValuePair<string, CSharpDataType>("varbinary",CSharpDataType.byteArray) };
diff --git a/Src/Asp.Net/SqlSugar/Realization/Oracle/OracleProvider.cs b/Src/Asp.Net/SqlSugar/Realization/Oracle/OracleProvider.cs
index 05c7bdeb9..cd6684702 100644
--- a/Src/Asp.Net/SqlSugar/Realization/Oracle/OracleProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/Oracle/OracleProvider.cs
@@ -1,4 +1,4 @@
-using Oracle.ManagedDataAccess.Client;
+using Oracle.ManagedDataAccess.Client;
 using System;
 using System.Collections.Generic;
 using System.Data;
@@ -87,6 +87,7 @@ namespace SqlSugar
             sqlCommand.BindByName = true;
             sqlCommand.CommandType = this.CommandType;
             sqlCommand.CommandTimeout = this.CommandTimeOut;
+            sqlCommand.InitialLONGFetchSize = -1;
             if (this.Transaction != null)
             {
                 sqlCommand.Transaction = (OracleTransaction)this.Transaction;