修复组任务进度为0的问题

HttpComponent/src/main/java/com/arialyy/aria/http/download/HttpDGInfoTask.java

@@ -108,8 +108,14 @@ public final class HttpDGInfoTask implements IInfoTask {
     new Thread(new Runnable() {
       @Override public void run() {
         for (DTaskWrapper dTaskWrapper : wrapper.getSubTaskWrapper()) {
-          if (dTaskWrapper.getEntity().getFileSize() > 0) {
+          DownloadEntity subEntity = dTaskWrapper.getEntity();
+          if (subEntity.getFileSize() > 0) {
             count.getAndIncrement();
+            if (subEntity.getCurrentProgress() < subEntity.getFileSize()){
+              // 如果没有完成需要拷贝一份数据
+              cloneHeader(dTaskWrapper);
+            }
+            checkGetSizeComplete(count.get(), failCount.get());
             continue;
           }
           cloneHeader(dTaskWrapper);

HttpComponent/src/main/java/com/arialyy/aria/http/download/HttpDGLoader.java

@@ -54,13 +54,8 @@ final class HttpDGLoader extends AbsGroupLoader {
     }
     onPostStart();
     for (DTaskWrapper wrapper : getWrapper().getSubTaskWrapper()) {
-      File subFile = new File(wrapper.getEntity().getFilePath());
-      if (wrapper.getEntity().getFileSize() > 0
-          && subFile.exists()
-          && subFile.length() == wrapper.getEntity().getFileSize()) {
-        continue;
-      }
       DownloadEntity dEntity = wrapper.getEntity();
+
       startSubLoader(createSubLoader(wrapper, dEntity.getFileSize() < 0));
     }
   }