diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/Dm/DbMaintenance/DmDbMaintenance.cs b/Src/Asp.NetCore2/SqlSugar/Realization/Dm/DbMaintenance/DmDbMaintenance.cs
index ad02a3c5d..d8e47ec4b 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/Dm/DbMaintenance/DmDbMaintenance.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/Dm/DbMaintenance/DmDbMaintenance.cs
@@ -314,6 +314,8 @@ WHERE table_name = '" + tableName + "'");
         }
         public override bool AddDefaultValue(string tableName, string columnName, string defaultValue)
         {
+            columnName = SqlBuilder.GetTranslationColumnName(columnName);
+            tableName = SqlBuilder.GetTranslationColumnName(tableName);
             if (defaultValue == "''")
             {
                 defaultValue = "";
diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/Oracle/DbMaintenance/OracleDbMaintenance.cs b/Src/Asp.NetCore2/SqlSugar/Realization/Oracle/DbMaintenance/OracleDbMaintenance.cs
index 133849a41..e5d8a2104 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/Oracle/DbMaintenance/OracleDbMaintenance.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/Oracle/DbMaintenance/OracleDbMaintenance.cs
@@ -322,6 +322,9 @@ WHERE table_name = '"+tableName+"'");
         }
         public override bool AddDefaultValue(string tableName, string columnName, string defaultValue)
         {
+            columnName = SqlBuilder.GetTranslationColumnName(columnName);
+            tableName = SqlBuilder.GetTranslationColumnName(tableName);
+
             if (defaultValue == "''")
             {
                 defaultValue = "";