varnish doesn't seams to work on my server what's wrong?

p.s I left the original configurations

varnishstat 0+00:04:16 server3.localhost.com Hitrate ratio: 0 0 0 Hitrate avg: 0.0000 0.0000 0.0000

1 . . N struct sess_mem
1 . . N struct sess
1 . . N struct smf
1 . . N large free smf
10 . . N worker threads
10 0.00 0.04 N worker threads created
1 . . N backends
34 0.00 0.13 SHM records
34 0.00 0.13 SHM writes

1073741824 . . bytes free 1 0.00 0.00 N vcl total 1 0.00 0.00 N vcl available 1 . . N total active purges 1 0.00 0.00 N new purges added

alright now it's working but something wrong my Cache hits are too small
0+00:02:52
Hitrate ratio: 10 68 68
Hitrate avg: 0.1422 0.0931 0.0931

4472 43.00 26.00 Client connections accepted
9812 102.00 57.05 Client requests received
11 0.00 0.06 Cache hits
1 0.00 0.01 Cache hits for pass
102 0.00 0.59 Cache misses