Update 华为 db

Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/SqlBuilder/PostgreSQLFastBuilder.cs

@@ -123,7 +123,7 @@ namespace SqlSugar
                         {
                             value = DBNull.Value;
                         }
-                        else if (value is double) 
+                        else if (value is double&&this.Context?.CurrentConnectionConfig?.MoreSettings?.DatabaseModel==null) 
                         {
                             column.Type = NpgsqlDbType.Double;
                         }