换了好几个URL 都是这样的错误，求解。大神

[KomoriWu]

Process: com.txtled.ellia, PID: 2045
java.lang.RuntimeException: An error occurred while executing doInBackground()
at android.os.AsyncTask$3.done(AsyncTask.java:325)
at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:354)
at java.util.concurrent.FutureTask.setException(FutureTask.java:223)
at java.util.concurrent.FutureTask.run(FutureTask.java:242)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)
at java.lang.Thread.run(Thread.java:761)
Caused by: java.lang.RuntimeException: PDF file is corrupted
at org.vudroid.pdfdroid.codec.PdfDocument.open(Native Method)
at org.vudroid.pdfdroid.codec.PdfDocument.openDocument(PdfDocument.java:28)
at org.vudroid.pdfdroid.codec.PdfContext.openDocument(PdfContext.java:18)
at org.vudroid.core.DecodeServiceBase.open(DecodeServiceBase.java:59)
at com.lidong.pdf.DecodingAsyncTask.doInBackground(DecodingAsyncTask.java:51)
at com.lidong.pdf.DecodingAsyncTask.doInBackground(DecodingAsyncTask.java:30)
at android.os.AsyncTask$2.call(AsyncTask.java:305)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133) 
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607) 
at java.lang.Thread.run(Thread.java:761) 

[gexiangjie]

我也报了这个错误