assemblyInfinitus层级结构数字溢出如父子关系level=1tree_code=01level=2tree_code=01001level=3tree_code=01001001每一层连接到001兄弟关系level=2tree_code=01002level=2tree_code=01003…………level=3tree_code=01001002level=3tree_code=01001003…………问题：每次对同级tree_code加1，用++$tree_code获取直到level=8，tree_code变成一串数字E+21，好像溢出了，怎么处理，求教，谢谢
