刚又重新操作下连接步骤：
发：AT+REBOOT //模块初始化
OK
+SPPSTAT=1,1
+SPPSTAT=2,1
+SPPSTAT=3,1
+SPPSTAT=4,1
+SPPSTAT=5,1
+SPPSTAT=6,1
+LESSTAT=1,1
+LECSTAT=1,1
+LECSTAT=2,1
+LECSTAT=3,1
+LECSTAT=4,1
+LECSTAT=5,1
+LECSTAT=6,1
+VER=8.4.3,FSC-BT836N
+ADDR=DC0D30000734
+MODE=5
+DEVSTAT=1
发：AT+SCAN=3 //查询设备
+DEVSTAT=4
OK
+SCAN=1,0,00A05096680E,-80,5,PD-60
+SCAN=2,0,C43960802BAD,-58,5,midea
+SCAN=3,0,AC82267A5F71,-90,8,U-AC5F70
+SCAN=4,2,3CEF42AE3FB0,-58,9,MEIZU M20
+DEVSTAT=1
发：AT+LECCONN=00A05096680E0,000000F000011000800000805F9B34FB,000000F60001000800000805F9B34FB0,000000F50001000800000805F9B34FB0 //连接MAC+UUID
+DEVSTAT=1
+LECSTAT=1,2
OK
+LECSTAT=1,1
发：AT+LECCONN=00A05096680E0 //只连MAC
+DEVSTAT=1
+LECSTAT=1,2
OK
+LECSTAT=1,3
发：AT+LECSEND=1,4,A5568956 //发送订阅指令，UUID通道不对，设备收不到信息；
OK
+LECSTAT=1,1 //20S秒自动断开；
这问题要怎么解决；
