- (BOOL)checkPassword
{

    self.loginPermit = NO;

    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
    manager.responseSerializer.acceptableContentTypes = [NSSet setWithObject:@"text/html"];
    NSDictionary *parameters = @{@"username": self.username, @"password": self.password};

    [manager POST:self.URL parameters:parameters progress:nil
          success:^(NSURLSessionDataTask *task, id responseObject)
    {
        NSDictionary *dict = (NSDictionary *)responseObject;
        if ([[dict objectForKey:@"msg"] isEqualToString:@"00001"]){
            self.loginPermit = YES
        }
        else {
           self.loginPermit = NO;
        }
    } failure:^(NSURLSessionDataTask *task, NSError *error) {
        NSLog(@"Error: %@", error);
    }];

    return self.loginPermit;
}