The front end appears {"$ref": "$.data [0] .addMapList [3]"} when parsing the code. How to solve this problem?

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value problem, $.data0], can you take a value? I don't know what your requirements are.


data loop reference problem, you can copy the output entity object deeply


is the back-end data loop problem.

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-64f5-1b31eb6-2b54d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b31eb6-2b54d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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