问题描述：电脑有线联网老掉线，点本地连接禁用，重新启用，就又能连上，一会又掉，手机上的时候不掉本页面显示路由器的系统日志。用户可以查看日志，并且可以保存日志内容或将日志内容通过邮件发送。 通过邮件定时发送日志： 未启用 索引 类型 日 志 内 容 97 INFO 0days, 00:30:48, DHCPS: Send OFFER with ip 192.168.1.100 96 INFO 0days, 00:29:00, DHCPS: Send OFFER with ip 192.168.1.100 95 INFO 0days, 00:24:34, DHCPS: Send OFFER with ip 192.168.1.100 94 INFO 0days, 00:14:55, DHCPS: Send OFFER with ip 192.168.1.101 93 INFO 0days, 00:13:22, DHCPS: Send OFFER with ip 192.168.1.101 92 INFO 0days, 00:13:00, PPP: ppp0 set localIp 78d0d4c4 dstIp 78d0d401 mtu 1480 91 INFO 0days, 00:13:00, PPP IPCP: RX CONFIGURE_ACK. 90 INFO 0days, 00:13:00, PPP IPCP: TX CONFIGURE_REQUEST. 89 INFO 0days, 00:13:00, PPP IPCP: RX CONFIGURE_NAK. 88 INFO 0days, 00:13:00, PPP IPCP: TX CONFIGURE_ACK. 87 INFO 0days, 00:13:00, PPP IPCP: RX CONFIGURE_REQUEST. 86 INFO 0days, 00:13:00, PPP IPCP: TX CONFIGURE_REQUEST. 85 INFO 0days, 00:13:00, PPP CHAP: RX CHAP_AUTHENTICATION_ACK. 84 INFO 0days, 00:13:00, PPP CHAP: TX CHAP_RESPONSE. 83 INFO 0days, 00:13:00, PPP CHAP: RX CHAP_CHALLENGE. 82 INFO 0days, 00:13:00, PPP LCP: RX CONFIGURE_ACK. 81 INFO 0days, 00:13:00, PPP LCP: TX CONFIGURE_ACK. 80 INFO 0days, 00:13:00, PPP LCP: RX CONFIGURE_REQUEST. 79 INFO 0days, 00:13:00, PPP LCP: TX CONFIGURE_REQUEST. 78 INFO 0days, 00:13:00, PPPOE: RX PADS. 77 INFO 0days, 00:13:00, PPPOE: TX PADR. 76 INFO 0days, 00:13:00, PPPOE: RX PADO,AC-NAME=LF_YaoDB_MC_BS002,AC-MAC=00259E9A16CA 75 INFO 0days, 00:13:00, PPPOE: TX PADI. 74 INFO 0days, 00:13:00, try special dail type: 0 73 INFO 0days, 00:13:00, PPPOE: RX PADT. 72 INFO 0days, 00:13:00, PPPOE: TX PADT. 71 INFO 0days, 00:13:00, PPP LCP: TX TERMINATION_REQUEST. 70 INFO 0days, 00:12:57, DHCPS: Send OFFER with ip 192.168.1.101 69 INFO 0days, 00:11:12, DHCPS: Send OFFER with ip 192.168.1.100 68 INFO 0days, 00:10:35, PPP: ppp0 set localIp 78d0d4b1 dstIp 78d0d401 mtu 1480 67 INFO 0days, 00:10:35, PPP IPCP: RX CONFIGURE_ACK. 66 INFO 0days, 00:10:35, PPP IPCP: TX CONFIGURE_REQUEST. 65 INFO 0days, 00:10:35, PPP IPCP: RX CONFIGURE_NAK. 64 INFO 0days, 00:10:35, PPP IPCP: TX CONFIGURE_ACK. 63 INFO 0days, 00:10:35, PPP IPCP: RX CONFIGURE_REQUEST. 62 INFO 0days, 00:10:35, PPP IPCP: TX CONFIGURE_REQUEST. 61 INFO 0days, 00:10:35, PPP CHAP: RX CHAP_AUTHENTICATION_ACK. 60 INFO 0days, 00:10:35, PPP CHAP: TX CHAP_RESPONSE. 59 INFO 0days, 00:10:35, PPP CHAP: RX CHAP_CHALLENGE. 58 INFO 0days, 00:10:35, PPP LCP: RX CONFIGURE_ACK. 57 INFO 0days, 00:10:35, PPP LCP: TX CONFIGURE_ACK. 56 INFO 0days, 00:10:35, PPP LCP: RX CONFIGURE_REQUEST. 55 INFO 0days, 00:10:35, PPP LCP: TX CONFIGURE_REQUEST. 54 INFO 0days, 00:10:35, PPPOE: RX PADS. 53 INFO 0days, 00:10:35, PPPOE: TX PADR. 52 INFO 0days, 00:10:35, PPPOE: RX PADO,AC-NAME=LF_YaoDB_MC_BS002,AC-MAC=00259E9A16CA 51 INFO 0days, 00:10:35, PPPOE: TX PADI. 50 INFO 0days, 00:10:35, try special dail type: 0 49 INFO 0days, 00:10:35, PPPOE: RX PADT. 48 INFO 0days, 00:10:35, PPPOE: TX PADT. 47 INFO 0days, 00:10:35, PPP LCP: TX TERMINATION_REQUEST. 46 INFO 0days, 00:10:03, PPP: ppp0 set localIp 78d0d4b1 dstIp 78d0d401 mtu 1480 45 INFO 0days, 00:10:03, PPP IPCP: RX CONFIGURE_ACK. 44 INFO 0days, 00:10:03, PPP IPCP: TX CONFIGURE_REQUEST. 43 INFO 0days, 00:10:03, PPP IPCP: RX CONFIGURE_NAK. 42 INFO 0days, 00:10:03, PPP IPCP: TX CONFIGURE_ACK. 41 INFO 0days, 00:10:03, PPP IPCP: RX CONFIGURE_REQUEST. 40 INFO 0days, 00:10:03, PPP IPCP: TX CONFIGURE_REQUEST. 39 INFO 0days, 00:10:03, PPP CHAP: RX CHAP_AUTHENTICATION_ACK. 38 INFO 0days, 00:10:03, PPP CHAP: TX CHAP_RESPONSE. 37 INFO 0days, 00:10:03, PPP CHAP: RX CHAP_CHALLENGE. 36 INFO 0days, 00:10:03, PPP LCP: RX CONFIGURE_ACK. 35 INFO 0days, 00:10:03, PPP LCP: TX CONFIGURE_ACK. 34 INFO 0days, 00:10:03, PPP LCP: RX CONFIGURE_REQUEST. 33 INFO 0days, 00:10:03, PPP LCP: TX CONFIGURE_REQUEST. 32 INFO 0days, 00:10:03, PPPOE: RX PADS. 31 INFO 0days, 00:10:03, PPPOE: TX PADR. 30 INFO 0days, 00:10:03, PPPOE: RX PADO,AC-NAME=LF_YaoDB_MC_BS002,AC-MAC=00259E9A16CA 29 INFO 0days, 00:10:03, PPPOE: TX PADI. 28 INFO 0days, 00:10:03, try special dail type: 0 27 INFO 0days, 00:10:03, PPPOE: RX PADT. 26 INFO 0days, 00:10:03, PPPOE: TX PADT. 25 INFO 0days, 00:10:03, PPP LCP: TX TERMINATION_REQUEST. 24 INFO 0days, 00:09:51, DHCPS: Send OFFER with ip 192.168.1.101 23 INFO 0days, 00:00:17, PPP: ppp0 set localIp 78d0d4f4 dstIp 78d0d401 mtu 1480 22 INFO 0days, 00:00:17, PPP IPCP: RX CONFIGURE_ACK. 21 INFO 0days, 00:00:17, PPP IPCP: TX CONFIGURE_REQUEST. 20 INFO 0days, 00:00:17, PPP IPCP: RX CONFIGURE_NAK. 19 INFO 0days, 00:00:17, PPP IPCP: TX CONFIGURE_ACK. 18 INFO 0days, 00:00:17, PPP IPCP: RX CONFIGURE_REQUEST. 17 INFO 0days, 00:00:17, PPP IPCP: TX CONFIGURE_REQUEST. 16 INFO 0days, 00:00:17, PPP CHAP: RX CHAP_AUTHENTICATION_ACK. 15 INFO 0days, 00:00:17, PPP CHAP: TX CHAP_RESPONSE. 14 INFO 0days, 00:00:17, PPP CHAP: RX CHAP_CHALLENGE. 13 INFO 0days, 00:00:17, PPP LCP: RX CONFIGURE_ACK. 12 INFO 0days, 00:00:17, PPP LCP: TX CONFIGURE_ACK. 11 INFO 0days, 00:00:17, PPP LCP: RX CONFIGURE_REQUEST. 10 INFO 0days, 00:00:17, PPP LCP: TX CONFIGURE_REQUEST. 9 INFO 0days, 00:00:17, PPPOE: RX PADS. 8 INFO 0days, 00:00:17, PPPOE: TX PADR. 7 INFO 0days, 00:00:17, PPPOE: RX PADO,AC-NAME=LF_YaoDB_MC_BS002,AC-MAC=00259E9A16CA 6 INFO 0days, 00:00:17, PPPOE: TX PADI. 5 INFO 0days, 00:00:17, try special dail type: 0 4 INFO 0days, 00:00:17, PPPOE: TX PADT. 3 INFO 0days, 00:00:17, PPP LCP: TX TERMINATION_REQUEST. 2 INFO 0days, 00:00:05, System start ok. 1 INFO 0days, 00:00:04, LAN: mirror0 set ip c0a80101 mask ffffff00 Time = 2013-11-02 15:56:15 2827s H-Ver = WR842N 4.0 00000000 : S-Ver = 1.1.2 Build 130916 Rel.68828n L = 192.168.1.1 : M = 255.255.255.0 W1 = PPPoE : W = 120.208.212.196 : M = 255.255.255.255 : G = 120.208.212.1 Cnt = 5120, Free = 4985, Busy = 135