Optimization scheme of ionic2 project

the Wechat official account code built by the Angularjs4+ionic2 project. The large size leads to slow loading of the home page.

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-64f5-1eaaae9-47dcc.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1eaaae9-47dcc.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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