[BUG]doubt ? NumberFormatException Find a bug

[zhwm12]

file: src\main\java\com\xc\luckysheet\entity\GridRecordDataModel.java {
......
/**
* sheet序号
*/
String index;
......
}

file: src\main\java\com\xc\luckysheet\db\server\JfGridUpdateService.java
private String Operation_sha(String gridKey, JSONObject bson) {
......
Integer _sheetPosition = JfGridFileUtil.getSheetPositionByIndex(_dbObject, index);
......
}

file: luckysheet-db\src\main\java\com\xc\luckysheet\util\JfGridFileUtil.java
public static Integer getSheetPositionByIndex(List _list,String index){
......
Integer _index=Integer.parseInt(_o.get("index").toString());
_o.get("index").toString() : "Sheet_0ekpfWe00zbx_1619100520312"
java.lang.NumberFormatException
......
}

Integer.parseInt() java.lang.NumberFormatException
What went wrong?

[iamxuchen800117]

First of all, thank you for your suggestion. The bug has been fixed。