去除volley 中TAG的滥用导致无法重复加载同一url，项目整理

app/src/main/java/com/gh/download/DownloadTask.java

@@ -123,6 +123,9 @@ public class DownloadTask implements DownloadListener {
 				|| status == DownloadStatus.notfound) {
 			entry.setProgress(0);
 			entry.setPercent(0);
+			if (status == DownloadStatus.hijack) {
+				entry.setError(error);
+			}
 			FileUtils.deleteFile(entry.getPath());
 			DownloadDao.getInstance(context).delete(entry.getUrl());
 			Utils.log(DownloadTask.class.getSimpleName(),