React router goback is not valid in iOS webview

recently wrote a web, embedded in an iOS webView. ReactJS+webpack+react-router4 is used in web. Web can be opened in Chrome and Safari can be normal push and goback. Loading web,web in webview in iOS App works well with push, but goback fails.

router structure

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goBack
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push

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iOS

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iOSwebview

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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-64f5-1ea67a0-1ddc.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1ea67a0-1ddc.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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