edit

assets/lib/layui/admin/modules/plugin/formselects/formselects.js

@@ -1306,6 +1306,7 @@ function _defineProperty(obj, key, value) { if (key in obj) { Object.definePrope
             this.retop(top);
             top.addClass(FORM_SELECTED);
             top.find('.' + INPUT).focus();
+            this.triggerSearch(top, true);
             if (!top.find('dl dd[lay-value]:not(.' + FORM_SELECT_TIPS + ')').length) {
                 top.find('dl .' + FORM_NONE).addClass(FORM_EMPTY);
             }