How to share session? for two projects under the same domain name using express and eggjs framework respectively

how to share session?
express using express-session module
eggjs using koa-session module for two projects under the same domain name using express and eggjs framework respectively. Their cookie encryption seems to be different.

Eggjs koa.js express node.js
Mar.03,2021
  1. the domain name of cookie is set to the same
  2. the algorithms of sessionid should be unified. If they are inconsistent, you can only unify and implement a
    3. by yourself.

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e3c90f-446d3.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e3c90f-446d3.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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