How to set the initial display distance by echarts

this is how to make him display more as soon as he goes in, setting that property.
there is also how to reduce the value on the left, that is, it is required to display less, for example, only 167.5-168.5.
ask the Great God for answers.

Apr.03,2022

1. Show more dataZoom start and end attributes;
2.y axis does not seem to support non-equal customization for the time being

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-64f5-1c29d55-3399b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1c29d55-3399b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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