z-stack home 1.2.2a协议栈中关联表中的的子设备的lqi为什么一直没有变化
问题描述：使用z-stack home 1.2.2a协议栈，协调器使能协议栈childaging功能后，定时打印协调器中的关联表，但是发现关联表中router的lqi有变化，而ed的lqi一直没有变化，这是为什么？
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0（一直是0x59）
log：
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x77, nodeRelation = 4, age = 1
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x77, nodeRelation = 4, age = 1
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x77, nodeRelation = 4, age = 0
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x77, nodeRelation = 4, age = 1
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x77, nodeRelation = 4, age = 1
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x76, nodeRelation = 4, age = 0
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x76, nodeRelation = 4, age = 1
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x76, nodeRelation = 4, age = 1
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x76, nodeRelation = 4, age = 0
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x76, nodeRelation = 4, age = 1
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x76, nodeRelation = 4, age = 1
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x76, nodeRelation = 4, age = 0
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x76, nodeRelation = 4, age = 1
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x76, nodeRelation = 4, age = 1
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x76, nodeRelation = 4, age = 0
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x76, nodeRelation = 4, age = 1
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x76, nodeRelation = 4, age = 1
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x76, nodeRelation = 4, age = 0
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x76, nodeRelation = 4, age = 1
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x76, nodeRelation = 4, age = 1
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x74, nodeRelation = 4, age = 0
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x74, nodeRelation = 4, age = 1
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x74, nodeRelation = 4, age = 1
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x75, nodeRelation = 4, age = 0
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x75, nodeRelation = 4, age = 1
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x75, nodeRelation = 4, age = 1
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x75, nodeRelation = 4, age = 0
ZNP mtSysGetAssocDevListSrspCb
nwkMgrDb_GetAllDevices: found 3 Device Records
nwkAddr = 0xa9f6, Lqi = 0x73, nodeRelation = 4, age = 1
nwkAddr = 0xdf3b, Lqi = 0x59, nodeRelation = 1, age = 0
nwkAddr = 0x2a97, Lqi = 0x75, nodeRelation = 4, age = 1
ZNP mtSysGetAssocDevListSrspCb
我也发现这个现象了，请问你解决了吗？
我想检测ED和其父节点之间的的信号通讯质量，但是总是不变化。