Dreamweaving custom field [option drop-down box] [radio tab] [Checkbox multi-select box] too many default values to display the solution

When adding a custom field in the background, if your field type is [option drop-down box] [radio tab] [Checkbox], and the default value is filled with too much text, the program will not be able to display the field, the solution is very simple
open \include\dedetag.class.phpfind

var $sourceMaxSize = 1024;

change to

var $sourceMaxSize = 2048;