MySQL语句执行失败 
错误提示[Connection refused]

Warning: mysqli_query() expects parameter 1 to be mysqli, boolean given in /www/wwwroot/stationxn/_model_space/d2m/models/db.php on line 132

Warning: mysqli_query() expects parameter 1 to be mysqli, boolean given in /www/wwwroot/stationxn/_model_space/d2m/models/db.php on line 125
{"code":401,"msg":"\u8bf7\u91cd\u65b0\u767b\u9646","dev_show_msg":"||","btime":1752173744,"etime":1752173744,"ssid":null}