Unexpected pass store error throw after using docker-credential-pass for hours

[callentan]

Hi,
We followed document #102 and setup the docker-credential-pass, so that we can store the docker login credentials in the pass store.
Everything is going well ( it works for several hours and docker login succeed for hundreds times ), but after that the error throw when docker login again:

Error saving credentials: error storing credentials - err: exit status 1, out: pass store is uninitialized

And then execute docker-credential-pass list, it also returns:

pass store is uninitialized

Check pass list, unexpected 'docker-pass-initialized-check' is inserted by itself:

Password Store
└── docker-credential-helpers
    └── a3jxs543j..................8hda0==
        └── dockerloginusername
    └── docker-pass-initialized-check

Is it possible to be the issue of docker-credential-pass which makes pass store uninitialized?
Please feel free to reach me. Thank you.

Ubuntu Info:

Distributor ID: Ubuntu
Description: Ubuntu 16.04.5 LTS
Release: 16.04
Codename: xenial

Pass Version:

v1.7.3

[callentan]

The root cause is gpg cached entry timeout, which controlled by the option [max-cache-ttl] in ~/.gnupg/gpg-agent.conf

--max-cache-ttl n
Set the maximum time a cache entry is valid to n seconds. After this time a cache entry will be expired even if it has been accessed recently or has been set using gpg-preset-passphrase. The default is 2 hours (7200 seconds)