在做手机socket client的时候，连局域网wifi，信号不稳定只有2、3格时，Android系统会将sokcet连接给杀掉，有没有大神知道怎么解决，手机里部分log如下：
06-16 15:29:47.541 D/wpa_supplicant( 757): Notifying state change event to hidl control: 9
06-16 15:29:47.543 D/WifiNetworkMonitor( 452): Probably not a portal: exception java.net.SocketTimeoutException: failed to connect to connectivitycheck.gstatic.com/172.217.174.195 (port 80) from /10.93.223.103 (port 59822) after 2000ms
06-16 15:29:47.543 D/WifiNetworkMonitor( 452): Validated!!!
06-16 15:29:47.543 E/WifiNetworkMonitor( 452): Not any Obervers!!!
06-16 15:29:47.543 D/WifiNetworkMonitor( 452): EVENT_WIFI_NETWORK_CONNECTING
06-16 15:29:47.543 E/WifiNetworkMonitor( 452): Not any Obervers!!!
06-16 15:29:47.543 D/WifiNetworkMonitor( 452): EVENT_WIFI_RSSI_CHANGED
06-16 15:29:47.549 D/wpa_supplicant( 757): wlan0: Determining shared radio frequencies (max len 2)
06-16 15:29:47.549 D/wpa_supplicant( 757): wlan0: Shared frequencies (len=1): completed iteration
06-16 15:29:47.549 D/wpa_supplicant( 757): wlan0: freq[0]: 2412, flags=0x1
06-16 15:29:47.549 D/wpa_supplicant( 757): P2P: Add operating class 81
06-16 15:29:47.549 D/wpa_supplicant( 757): P2P: Channels - hexdump(len=13): 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d
06-16 15:29:47.549 D/wpa_supplicant( 757): P2P: Update channel list
06-16 15:29:47.549 D/wpa_supplicant( 757): P2P: channels: 81:1,2,3,4,5,6,7,8,9,10,11,12,13
06-16 15:29:47.549 D/wpa_supplicant( 757): P2P: cli_channels:
06-16 15:29:47.549 D/wpa_supplicant( 757): wlan0: Cancelling scan request
06-16 15:29:47.549 E/wpa_supplicant( 757): WMM AC: Already initialized
06-16 15:29:47.549 D/WifiStateMachine( 452): Missed CTRL-EVENT-DISCONNECTED, disconnect Auto Roam may happens!!
06-16 15:29:47.549 D/wpa_supplicant( 757): RTM_NEWLINK: ifi_index=11 ifname=wlan0 operstate=5 linkmode=1 ifi_family=0 ifi_flags=0x11003 ([UP][LOWER_UP])
06-16 15:29:47.549 D/wpa_supplicant( 757): nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate
06-16 15:29:47.549 D/wpa_supplicant( 757): netlink: Operstate: ifindex=11 linkmode=-1 (no change), operstate=6 (IF_OPER_UP)
06-16 15:29:47.550 D/wpa_supplicant( 757): RTM_NEWLINK: ifi_index=11 ifname=wlan0 operstate=6 linkmode=1 ifi_family=0 ifi_flags=0x11043 ([UP][RUNNING][LOWER_UP])
06-16 15:29:47.550 D/wpa_supplicant( 757): nl80211: set_p2p_powersave (legacy_ps=1 opp_ps=-1 ctwindow=-1)
06-16 15:29:47.553 D/WifiP2pService( 452): InactiveState{ when=0 what=143375 target=com.android.internal.util.StateMachine$SmHandler }
06-16 15:29:47.553 D/WifiP2pService( 452): P2pEnabledState{ when=0 what=143375 target=com.android.internal.util.StateMachine$SmHandler }
06-16 15:29:47.553 D/wpa_supplicant( 757): wpa_driver_nl80211_driver_cmd: Driver cmd: BTCOEXMODE 2
06-16 15:29:47.554 E/WifiHAL ( 268): wifi_get_packet_filter_capabilities: requestResponse() error: -95
06-16 15:29:47.554 I/WifiHAL ( 268): Packet filtering is not supprted
06-16 15:29:47.574 D/ENGPC ( 277): parse_event: event { 'online', '/devices/system/cpu/cpu2', 'cpu', '' }
06-16 15:29:47.582 D/CommandListener( 247): Setting iface cfg
06-16 15:29:47.583 D/DhcpClient( 452): Receive thread stopped
06-16 15:29:47.584 I/Netd ( 247): Destroyed 2 sockets on 10.93.223.103 in 0.6 ms
06-16 15:29:47.586 D/SocketTest_PacketReader( 1702): notifyConnectionError
06-16 15:29:47.586 D/SocketTest_PacketReader( 1702): java.net.SocketException: Software caused connection abort
06-16 15:29:47.586 D/SocketTest_PacketReader( 1702): at java.net.SocketInputStream.socketRead0(Native Method)
06-16 15:29:47.586 D/SocketTest_PacketReader( 1702): at java.net.SocketInputStream.socketRead(SocketInputStream.java:114)
06-16 15:29:47.586 D/SocketTest_PacketReader( 1702): at java.net.SocketInputStream.read(SocketInputStream.java:170)
06-16 15:29:47.586 D/SocketTest_PacketReader( 1702): at java.net.SocketInputStream.read(SocketInputStream.java:139)
06-16 15:29:47.586 D/SocketTest_PacketReader( 1702): at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:288)
06-16 15:29:47.586 D/SocketTest_PacketReader( 1702): at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:351)
06-16 15:29:47.586 D/SocketTest_PacketReader( 1702): at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:180)
06-16 15:29:47.586 D/SocketTest_PacketReader( 1702): at java.io.InputStreamReader.read(InputStreamReader.java:184)
06-16 15:29:47.586 D/SocketTest_PacketReader( 1702): at java.io.BufferedReader.read1(BufferedReader.java:221)
06-16 15:29:47.586 D/SocketTest_PacketReader( 1702): at java.io.BufferedReader.read(BufferedReader.java:297)
06-16 15:29:47.586 D/SocketTest_PacketReader( 1702): at org.kxml2.io.KXmlParser.fillBuffer(KXmlParser.java:1516)
06-16 15:29:47.586 D/SocketTest_PacketReader( 1702): at org.kxml2.io.KXmlParser.peekType(KXmlParser.java:993)
06-16 15:29:47.586 D/SocketTest_PacketReader( 1702): at org.kxml2.io.KXmlParser.next(KXmlParser.java:349)
06-16 15:29:47.586 D/SocketTest_PacketReader( 1702): at org.kxml2.io.KXmlParser.next(KXmlParser.java:313)
06-16 15:29:47.586 D/SocketTest_PacketReader( 1702): at org.jivesoftware.smack.PacketReader.parsePackets(PacketReader.java:345)
06-16 15:29:47.586 D/SocketTest_PacketReader( 1702): at org.jivesoftware.smack.PacketReader.access$1(PacketReader.java:238)
06-16 15:29:47.586 D/SocketTest_PacketReader( 1702): at org.jivesoftware.smack.PacketReader$1.run(PacketReader.java:81)
