diff --git a/app/models/cita_sync/persist.rb b/app/models/cita_sync/persist.rb
index 67887bd..48096ec 100644
--- a/app/models/cita_sync/persist.rb
+++ b/app/models/cita_sync/persist.rb
@@ -193,8 +193,10 @@ def save_blocks_with_infos
       # @return [void]
       def realtime_sync
         loop do
-          save_blocks_with_infos
-        rescue StandardError
+          begin
+            save_blocks_with_infos
+          rescue
+          end
         end
       end