WPA连不上WIFI ，请问如何解决

 # wpa_supplicant -Dwext -iwlan0 -dd -c/etc/wpa_supplicant.conf -B
wpa_supplicant v1.0
random: Trying to read entropy from /dev/random
Initializing interface 'wlan0' conf '/etc/wpa_supplicant.conf' driver 'wext' ctrl_interface 'N/A' bridge 'N/A'
Configuration file '/etc/wpa_supplicant.conf' -> '/etc/wpa_supplicant.conf'
Reading configuration file '/etc/wpa_supplicant.conf'
Line: 6 - start of a new network block
ssid - hexdump_ascii(len=12):
63 61 6f 6d 65 69 70 61 69 5f 75 69 caomeipai_ui
proto: 0x2
key_mgmt: 0x2
pairwise: 0x18
group: 0x18
PSK - hexdump(len=32): [REMOVED]
Priority group 0
id=0 ssid='caomeipai_ui'
SIOCGIWRANGE: WE(compiled)=22 WE(source)=16 enc_capa=0xf
capabilities: key_mgmt 0xf enc 0xf flags 0x0
ioctl[SIOCSIWAP]: Operation not permitted
WEXT: Failed to clear BSSID selection on disconnect
netlink: Operstate: linkmode=1, operstate=5
wlan0: Own MAC address: 0c:82:68:0a:22:4f
wpa_driver_wext_set_key: alg=0 key_idx=0 set_tx=0 seq_len=0 key_len=0
wpa_driver_wext_set_key: alg=0 key_idx=1 set_tx=0 seq_len=0 key_len=0
wpa_driver_wext_set_key: alg=0 key_idx=2 set_tx=0 seq_len=0 key_len=0
wpa_driver_wext_set_key: alg=0 key_idx=3 set_tx=0 seq_len=0 key_len=0
wpa_driver_wext_set_key: alg=0 key_idx=4 set_tx=0 seq_len=0 key_len=0
ioctl[SIOCSIWENCODEEXT]: Invalid argument
Driver did not support SIOCSIWENCODEEXT
wpa_driver_wext_set_key: alg=0 key_idx=5 set_tx=0 seq_len=0 key_len=0
ioctl[SIOCSIWENCODEEXT]: Invalid argument
Driver did not support SIOCSIWENCODEEXT
wpa_driver_wext_set_countermeasures
wlan0: RSN: flushing PMKID list in the driver
wlan0: Setting scan request: 0 sec 100000 usec
WPS: Set UUID for interface wlan0
WPS: UUID based on MAC address - hexdump(len=16): 42 cd 7b 57 ee b9 5c 1d 8d ea fd 05 c9 e8 0a 61
EAPOL: SUPP_PAE entering state DISCONNECTED
EAPOL: Supplicant port status: Unauthorized
EAPOL: KEY_RX entering state NO_KEY_RECEIVE
EAPOL: SUPP_BE entering state INITIALIZE
EAP: EAP entering state DISABLED
EAPOL: Supplicant port status: Unauthorized
EAPOL: Supplicant port status: Unauthorized
wlan0: Added interface wlan0
Daemonize..