Avoid loop in Boardcaster is not found and stop download

Common.py

@@ -315,3 +315,8 @@ class downloader(XiGuaLiveApi):
 
 
 api = downloader(config["l_u"])
+
+
+def refreshDownloader():
+    global api
+    api = downloader(config["l_u"])

liveDownloader.py

@@ -177,6 +177,9 @@ def run():
                 _count_error = 0
             except Exception as e:
                 Common.appendError(e.__str__())
+                _count_error += 1
+            if not Common.api.roomLiver:
+                _count_error += 1
             if Common.forceStartEncodeThread:
                 if not et.is_alive():
                     et = threading.Thread(target=encode, args=())
@@ -190,3 +193,5 @@ def run():
                     ut.setDaemon(True)
                     ut.start()
                 Common.forceStartUploadThread = False
+            if _count_error>10:
+                Common.refreshDownloader()