修改课程类型

username@email.com

2023-12-07 c7ca1bd2476a1e45a900a24a4ea220710e3415b8

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$.extend($.fn.treegrid.defaults, {
    expanderExpandedClass: 'glyphicon glyphicon-chevron-down',
    expanderCollapsedClass: 'glyphicon glyphicon-chevron-right'
});