文件下载报错：.temp文件问题

[zouliujun]

版本：3.9.0
报错信息：
android.system.ErrnoException: open failed: EPERM (Operation not permitted
at libcore.io.Linux.open(Native Method)
at libcore.io.ForwardingOs.open(ForwardingOs.java:166)
at libcore.io.BlockGuardOs.open(BlockGuardOs.java:254)
at libcore.io.ForwardingOs.open(ForwardingOs.java:166)
at android.app.ActivityThread$AndroidOs.open(ActivityThread.java:8183)
at libcore.io.IoBridge.open(IoBridge.java:478)
Caused by: java.io.FileNotFoundException: /storage/emulated/0/xxx.xlsx.tmp: open failed: EPERM (Operation not permitted)
at libcore.io.IoBridge.open(IoBridge.java:492)
at java.io.FileOutputStream.(FileOutputStream.java:236)
at org.xutils.http.loader.FileLoader.load(FileLoader.java:116)
at org.xutils.http.loader.FileLoader.load(FileLoader.java:242)
at org.xutils.http.loader.FileLoader.load(FileLoader.java:41)
at org.xutils.http.request.UriRequest.loadResult(UriRequest.java:79)
at org.xutils.http.request.HttpRequest.loadResult(HttpRequest.java:296)
at org.xutils.http.HttpTask$RequestWorker.request(HttpTask.java:601)
at org.xutils.http.HttpTask.doBackground(HttpTask.java:298)
at org.xutils.common.task.TaskProxy$1.run(TaskProxy.java:73)
at org.xutils.common.task.PriorityRunnable.run(PriorityRunnable.java:21)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at java.lang.Thread.run(Thread.java:923)

[wyouflf]

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