##判断手势锁是否有效
- (BOOL)isInvalidLockScreenPwd
{
    NSUserDefaults *userDefault = [NSUserDefaults standardUserDefaults];
    NSTimeInterval nowInterval = [[NSDate date] timeIntervalSince1970];
    NSInteger type = [g_configDic[@"vpn_logintype"] intValue];
    BOOL shareLogin = [g_configDic[@"share_login"] boolValue];
    BOOL patternFlag = [g_configDic[@"pattern_lock"] boolValue];
    NSString *vpn = [InjectConfig sharedInstance].realAddr;
    NSString *gesturePwd = [SfCommon passwordForAccount:kLockGesturePswd andShareLogin:shareLogin andVpnAddress:vpn];
    NSString *session = [SfCommon passwordForAccount:vpn andShareLogin:shareLogin andVpnAddress:@""];
    NSString *times = [SfCommon passwordForAccount:KLockErrorTimes andShareLogin:shareLogin andVpnAddress:vpn];
    long ackOutTime = 0;
    long ackResTime = 0;
    if(!shareLogin) {
        //判断是否有手势密码
        if(gesturePwd.length != 0) {
            ackOutTime = [[userDefault objectForKey:KAckOutTime] longLongValue];
            ackResTime = [[userDefault objectForKey:KAckLastResTime] longLongValue];
        }
    } else {
        NSString *outAccount = [NSString stringWithFormat:@"%@%@",vpn,KAckOutTime];
        NSString *resAccount = [NSString stringWithFormat:@"%@%@",vpn,KAckLastResTime];
        if(gesturePwd.length != 0) {
            ackOutTime = [[SSKeychain passwordForService:KServive_Sangfor account:outAccount] intValue];
            ackResTime = [[SSKeychain passwordForService:KServive_Sangfor account:resAccount] intValue];
        }
    }
    if((gesturePwd.length != 0)&&(ackOutTime+ackResTime > nowInterval)&&(type == 2)&&patternFlag&&session&&[times intValue]>0)
    {
        return YES;
    }else {
        info(MODULE_SDK,@"password:%@  acktimeResult:%d  patternFlag:%d  session:%@",gesturePwd,(ackOutTime+ackResTime > nowInterval),patternFlag,session);
    }
    return NO;
}