diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/DbBind/PostgreSQLDbBind.cs b/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/DbBind/PostgreSQLDbBind.cs
index 1efa7f53d..273477475 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/DbBind/PostgreSQLDbBind.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/DbBind/PostgreSQLDbBind.cs
@@ -38,7 +38,10 @@ namespace SqlSugar
             {
                 csharpTypeName = csharpTypeName.Replace("mssql_", "");
             }
-
+            else if (csharpTypeName?.StartsWith("sys.") == true && this.Context.CurrentConnectionConfig?.MoreSettings?.DatabaseModel == DbType.Vastbase)
+            {
+                csharpTypeName = csharpTypeName.Replace("sys.", "");
+            }
             return csharpTypeName;
         }