RT，复制过以下代码，明明提示配置成功，但关掉微信重新打开，计步还是零，怎么回事？
//setkey <deviceinfoconfig><voip><sensor><stepCounterMaxStep5m>1000</stepCounterMaxStep5m> <stepCounterSaveInterval>60000</stepCounterSaveInterval><stepCounterRateUs>600000</stepCounterRateUs> <stepCounterSwitch>1</stepCounterSwitch></sensor></voip></deviceinfoconfig>