diff --git a/app/services/modbus/polling_service.rb b/app/services/modbus/polling_service.rb
index a96f8c8..c165fbb 100644
--- a/app/services/modbus/polling_service.rb
+++ b/app/services/modbus/polling_service.rb
@@ -22,7 +22,7 @@ module Modbus
       private
       def apply_schedule(schedule)
         if schedule.is_active
-          run_script("on_off.rb", "#{schedule.controller.station_id}", "0", "[Schedule] ON")
+          run_script("on_off.rb", "#{schedule.controller.station_id}", "0", "[Schedule] #{schedule.controller.name} ON")
           sleep 2
           run_script(
             "serial.rb",
@@ -31,7 +31,7 @@ module Modbus
             "[Schedule] #{format('%02d:%02d', schedule.hour, schedule.minute)} → #{schedule.temperature}°C"
           )
         else
-          run_script("on_off.rb", "#{schedule.controller.station_id}", "1", "[Schedule] OFF")
+          run_script("on_off.rb", "#{schedule.controller.station_id}", "1", "[Schedule] #{schedule.controller.name} OFF")
         end
       end
 
@@ -41,7 +41,7 @@ module Modbus
           puts success_msg
           Rails.logger.info success_msg
         else
-          error_message = "[#{Time.now}] #{file} 실행 실패 (value: #{value})"
+          error_message = "[#{Time.now}] #{file} 실행 실패 (station_id: #{controller_id}, value: #{value})"
           puts error_message
           Rails.logger.error error_message
         end