update

backend/controller/download_manager.py

@@ -101,8 +101,8 @@ class DownloadManager(object):
             return False, "app not found"
 
         tmp = app.to_dict(with_collections=True, related_objects=True)
-        if tmp.get("app_build_log"):
-            epk_path = convert_url_to_local_path(tmp.get("app_build_log")[0].app_path)
+        if app.app_build_log:
+            epk_path = os.sep.join([os.getcwd(), app.app_build_log.app_path])
             if not os.path.exists(epk_path):
                 return False, "epk file not found"