diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/Dm/DbMaintenance/DmDbMaintenance.cs b/Src/Asp.NetCore2/SqlSugar/Realization/Dm/DbMaintenance/DmDbMaintenance.cs
index 7663b9c0c..ef4203948 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/Dm/DbMaintenance/DmDbMaintenance.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/Dm/DbMaintenance/DmDbMaintenance.cs
@@ -362,7 +362,12 @@ WHERE table_name = '" + tableName + "'");
         }
         public override bool CreateDatabase(string databaseDirectory = null)
         {
-            throw new NotSupportedException();
+            if (this.Context.Ado.IsValidConnection())
+            {
+                return true;
+            }
+            Check.ExceptionEasy("dm no support create database ", "达梦不支持建库方法，请写有效连接字符串可以正常运行该方法。");
+            return true;
         }
         public override bool CreateDatabase(string databaseName, string databaseDirectory = null)
         {
diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/Oracle/DbMaintenance/OracleDbMaintenance.cs b/Src/Asp.NetCore2/SqlSugar/Realization/Oracle/DbMaintenance/OracleDbMaintenance.cs
index b38bce89c..e70139802 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/Oracle/DbMaintenance/OracleDbMaintenance.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/Oracle/DbMaintenance/OracleDbMaintenance.cs
@@ -398,7 +398,12 @@ WHERE table_name = '"+tableName+"'");
         }
         public override bool CreateDatabase(string databaseName, string databaseDirectory = null)
         {
-            throw new NotSupportedException();
+            if (this.Context.Ado.IsValidConnection())
+            {
+                return true;
+            }
+            Check.ExceptionEasy("Oracle no support create database ", "Oracle不支持建库方法，请写有效连接字符串可以正常运行该方法。");
+            return true;
         }
         public override bool AddRemark(EntityInfo entity)
         {