diff --git a/BLE/DLD154Pro_Peripheral_28K/APP/peripheral_main.c b/BLE/DLD154Pro_Peripheral_28K/APP/peripheral_main.c
index 11c15cf..b3e829c 100644
--- a/BLE/DLD154Pro_Peripheral_28K/APP/peripheral_main.c
+++ b/BLE/DLD154Pro_Peripheral_28K/APP/peripheral_main.c
@@ -1274,6 +1274,16 @@ void TMR1_IRQHandler(void)
               }
           }
 
+          /*--- 光耦参与模式 (2-6): LED 同步继电器实际状态 ---*/
+          /*    断开/稳定期闪烁已在 5ms 段优先处理           */
+          if (g_output_radar_mode >= OUTPUT_MODE_RADAR_ONLY
+              && !g_disconnect_active
+              && g_loop_power_up_state
+              && g_loop_stable) {
+              if (g_loop_acs_info.relay1_state)  LEDA_ON;
+              else                               LEDA_OFF;
+          }
+
 
           if(loop1_VD_HOLD)
           {