修复单线程下载时，文件已经完成，重复下载回调下载失败的问题

修复一个重新下载文件时，同名路径文件没有被被删除的问题

app/src/main/assets/aria_config.xml

@@ -44,7 +44,7 @@
       3、从3.4.1开始，如果线程数为1，文件初始化时将不再预占用对应长度的空间，下载多少byte，则占多大的空间；
          对于采用多线程的任务或旧任务，依然采用原来的文件空间占用方式；
     -->
-    <threadNum value="3"/>
+    <threadNum value="1"/>
 
     <!--设置下载队列最大任务数， 默认为2-->
     <maxTaskNum value="1"/>

app/src/main/java/com/arialyy/simple/core/download/HttpDownloadModule.java

@@ -51,10 +51,11 @@ public class HttpDownloadModule extends BaseViewModule {
     //String url = AppUtil.getConfigValue(context, HTTP_URL_KEY, defUrl);
     //String url = "http://fdfs.speedata.cn:9989/group1/M00/00/05/rBGFrl3fdAKAVJwfMtSa9R18wLU139.zip";
     //String url = "http://9.9.9.28:8088/files/update.zip";
-    //String url = "https://y.qq.com/download/import/QQMusic-import-1.2.1.zip";
-    String url = "https://gitee.com/huang-junhua/iptv/raw/master/guonei.m3u8";
+    String url = "https://y.qq.com/download/import/QQMusic-import-1.2.1.zip";
+    //String url = "https://gitee.com/huang-junhua/iptv/raw/master/guonei.m3u8";
+    //String url = "http://v.kjjl100.com/kz/zx/cj/2020cjswxdb/1.mp4";
     //String url = "https://static.runoob.com/images/demo/demo2.jpg";
-    String filePath = "/mnt/sdcard/xxx.m3u8";
+    String filePath = "/mnt/sdcard/qq.zip";
 
     singDownloadInfo = Aria.download(context).getFirstDownloadEntity(url);
     if (singDownloadInfo == null) {

app/src/main/java/com/arialyy/simple/core/download/SingleTaskActivity.java

@@ -266,7 +266,7 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
     if (task.getKey().equals(mUrl)) {
       Toast.makeText(SingleTaskActivity.this, getString(R.string.download_success),
           Toast.LENGTH_SHORT).show();
-      //ALog.d(TAG, "文件md5: 9886e90f014d462b560dcec9c327bdb7");
+      ALog.d(TAG, "文件md5: e088677570afe2e9f847cc8159b932dd");
       ALog.d(TAG, "下载完成的文件md5: " + CommonUtil.getFileMD5(new File(task.getFilePath())));
       getBinding().pl.setInfo(task.getEntity());
       getBinding().pl.setProgress(100);