Fix source output 'list out of range'

WebCrawler/airav.py

@@ -212,7 +212,9 @@ def main(number):
         }
         js = json.dumps(dic, ensure_ascii=False, sort_keys=True, indent=4,separators=(',', ':'), )  # .encode('UTF-8')
         return js
-    except:
+    except Exception as e:
+        if config.Config().debug():
+            print(e)
         data = {
             "title": "",
         }