[erlang-questions] Cant't start odbc from .app file

[wenew zhang]

authserver.app
{application, authserver,
 [
  {description, "Authory TCP server"},
  {vsn, "1.0"},
  {id, "authserver"},
  {modules,      [authserver]},
  {registered,   [authserver]},
  {applications, [kernel, stdlib, odbc]},
  %%
  %% mod: Specify the module name to start the application, plus args
  %%
  {mod, {auth_sup, []}},
  {env, []}
 ]
}.
i try put odbc in modules,registered ,it doesn't  work too,
my os is:Ubuntu 8.04

Best Regards

Wenew Zhang
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