diff --git a/usrc/subboards/subboard20_plate_clamp_case/plate_code_scaner_module.cpp b/usrc/subboards/subboard20_plate_clamp_case/plate_code_scaner_module.cpp
index 777a440..e76cfd0 100644
--- a/usrc/subboards/subboard20_plate_clamp_case/plate_code_scaner_module.cpp
+++ b/usrc/subboards/subboard20_plate_clamp_case/plate_code_scaner_module.cpp
@@ -109,8 +109,8 @@ void PlateCodeScanerModule::initialize(int32_t moduleid, hardware_config_t* hard
   m_reg.laster_intensity        = 99;
   m_reg.scan_gain               = 1;
   m_reg.scan_velocity           = 500;
-  m_reg.scan_start_pos          = 0;
-  m_reg.code_judgment_threshold = 0;
+  m_reg.scan_start_pos          = 960;
+  m_reg.code_judgment_threshold = 1000;
   m_reg.item                    = 0;
   m_reg.lot                     = 0;
   m_reg.rawcode                 = 0;