diff --git a/.vs/CNAS_DBSync/v15/.suo b/.vs/CNAS_DBSync/v15/.suo
index b059ed0..dd922de 100644
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diff --git a/.vs/CNAS_DBSync/v15/Server/sqlite3/storage.ide b/.vs/CNAS_DBSync/v15/Server/sqlite3/storage.ide
index e07fb90..f53de95 100644
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diff --git a/.vs/CNAS_DBSync/v15/Server/sqlite3/storage.ide-wal b/.vs/CNAS_DBSync/v15/Server/sqlite3/storage.ide-wal
index 117d9f8..c7730b5 100644
Binary files a/.vs/CNAS_DBSync/v15/Server/sqlite3/storage.ide-wal and b/.vs/CNAS_DBSync/v15/Server/sqlite3/storage.ide-wal differ
diff --git a/CNAS_DBSync/SelectTableType.cs b/CNAS_DBSync/SelectTableType.cs
index 08293d5..7bd988a 100644
--- a/CNAS_DBSync/SelectTableType.cs
+++ b/CNAS_DBSync/SelectTableType.cs
@@ -1,6 +1,7 @@
 using CnasSynchronousCommon;
 using CnasSynchronusDAL;
 using CnasSynchrousModel;
+using Oracle.ManagedDataAccess.Client;
 using System;
 using System.Collections.Generic;
 using System.Data;
@@ -143,5 +144,48 @@ WHERE
 
 
         }
+
+        public static DataTable OrcSql(string strTableName, SyncInstrumentItemInfo t) {
+            connectionStr = $"Data Source=(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST={t.SyncInstrumentDSInfo.Host})(PORT={t.SyncInstrumentDSInfo.Port}))" + $"(CONNECT_DATA=(SID={t.SyncInstrumentDSInfo.ServerName})));User Id={t.SyncInstrumentDSInfo.UserId};Password={t.SyncInstrumentDSInfo.UserPwd};";
+            DataTable dt = new DataTable();
+            string strSql = string.Format("select COLUMN_NAME AS ColumnName,NULLABLE AS IsNullable,DATA_TYPE AS DataType,DATA_LENGTH AS CharMaxLenth,DATA_LENGTH AS CharOcterLenth,DATA_PRECISION AS NumericPrecision,DATA_SCALE AS NumericScale from user_tab_columns where table_name='{0}'", strTableName.ToUpper());
+            try
+            {
+                dt = GetDataTable(strSql, new OracleParameter[] { });
+            }
+            catch (Exception ex)
+            {
+                AppLog.Error(ex.Message);
+            }
+            return dt;
+        }
+
+        /// <summary>
+        /// 查询操作
+        /// </summary>
+        /// <param name="sql"></param>
+        /// <returns></returns>
+        public static DataTable GetDataTable(string sql, params OracleParameter[] sp)
+        {
+            DataTable dt = new DataTable();
+            try
+            {
+                using (OracleConnection conn = new OracleConnection(connectionStr))
+                {
+                    conn.Open();
+                    //using (OracleDataAdapter sda = new OracleDataAdapter("select * from t_weight_info where WEIGH_DATE > '2019-10-02 14:20:12'", conn))
+                    using (OracleDataAdapter sda = new OracleDataAdapter(sql, conn))
+                    {
+                        sda.SelectCommand.Parameters.AddRange(sp);
+                        sda.Fill(dt);
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                AppLog.Error(ex.Message);
+            }
+            return dt;
+        }
     }
 }
diff --git a/CNAS_DBSync/frmSyncParams.cs b/CNAS_DBSync/frmSyncParams.cs
index 265acc9..96fdc3d 100644
--- a/CNAS_DBSync/frmSyncParams.cs
+++ b/CNAS_DBSync/frmSyncParams.cs
@@ -301,13 +301,12 @@ namespace CNAS_DBSync
             {
                 case DataSourceType.MySQL:
                     dtTableType = SelectTableType.MySqlsec(strTableName_Instru);
-
                     break;
                 case DataSourceType.Dm:
                     dtTableType = SelectTableType.DmSql(strTableName_Instru);
                     break;
                 case DataSourceType.Oracle:
-                
+                    dtTableType = SelectTableType.OrcSql(strTableName_Instru, currentSyncItem);
                     break;
                 case DataSourceType.PostgreSQL:
                     dtTableType = SelectTableType.PostgreSql(strTableName_Instru); 
@@ -315,17 +314,9 @@ namespace CNAS_DBSync
                 case DataSourceType.SQL:
                      dtTableType = SelectTableType.Sqlserversec(strTableName_Instru, currentSyncItem);
                     break;
-                case DataSourceType.SQLLite:
                 default:
-                   
                     break;
             }
-
-
-             //dtTableType = CnasDataOperationFact.CnasDataOperation().GetCNASTableTypeLenth(strTableName_Instru, currentSyncItem.SyncTargetDBInfo);
-
-            //string strTableName_Instru = cbxInstrument.Text.ToString();
-
             DataTable dtInstruShow = new DataTable();
             dtInstruShow.Columns.Add("InstruFieldName");
             dtInstruShow.Columns.Add("InstruDataType");
@@ -336,23 +327,7 @@ namespace CNAS_DBSync
             }
 
             dgvInstruDS.DataSource = dtInstruShow;
-            //if (dictInstruTables.ContainsKey(strTableName_Instru))
-            //{
-            //    DataTable dt = dictInstruTables[strTableName_Instru];
-            //    if (dt != null)
-            //    {
-            //        DataTable dtInstruShow = new DataTable();
-            //        dtInstruShow.Columns.Add("InstruFieldName");
-            //        dtInstruShow.Columns.Add("InstruDataType");
-
-            //        foreach (DataColumn dc in dt.Columns)
-            //        {
-            //            dtInstruShow.Rows.Add(new object[] { dc.ColumnName,dc.DataType});
-            //        }
-
-                   
-            //    }
-            //}
+       
         }
 
         /// <summary>
@@ -366,26 +341,12 @@ namespace CNAS_DBSync
 
             string strTableName_Cnas = cbxCnas.Text.ToString();
 
-            //if (currentSyncItem.CnasInstrumentColumn != null && currentSyncItem.CnasInstrumentColumn != "")
-            //{
-            //    DialogResult dr = MessageBox.Show("已存在配置完成的CNAS仪器对应列，切换表将导致该配置失效，是否继续？", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button1);
-            //    if (dr == DialogResult.No)
-            //    {
-            //        return;
-            //    }
-            //}
-
             DataTable dtTableStruct = CnasDataOperationFact.CnasDataOperation().GetCNASTableTypeLenth(strTableName_Cnas, currentSyncItem.SyncTargetDBInfo);
 
             //从数据库中加载数据表结构
             //DataTable dtTableStruct = CnasDataOperationFact.CnasDataOperation().GetCNASTablesStruct(strTableName_Cnas,currentSyncItem.SyncTargetDBInfo);
             if (dtTableStruct != null)
             {
-
-                //DataTable dtTableType = CnasDataOperationFact.CnasDataOperation().GetCNASTableTypeLenth(strTableName_Instru, currentSyncItem.SyncTargetDBInfo);
-
-                //string strTableName_Instru = cbxInstrument.Text.ToString();
-
                 DataTable dtCnasShow = new DataTable();
                 dtCnasShow.Columns.Add("CnasFieldName");
                 dtCnasShow.Columns.Add("CnasDataType");