diff --git a/edc20_cycle_iv_mode.c b/edc20_cycle_iv_mode.c
index d03d82c..d1a4fa1 100644
--- a/edc20_cycle_iv_mode.c
+++ b/edc20_cycle_iv_mode.c
@@ -295,44 +295,45 @@ static void edc20_cycle_iv_mode_task(void *p_arg)
         NRF_LOG_INFO("%s", info);
     }
 
-    //    dac_write_through(OUT_0, mV_out_0(&dac_param));
-    //    dac_write_through(OUT_1, mV_out_1(&dac_param));
+       dac_write_through(OUT_0, mV_out_0(&dac_param));
+       dac_write_through(OUT_1, mV_out_1(&dac_param));
+       circuit_selection_dac_fune_tune_f0();
 
 
 
 
-    //
-    //    /* start DAC timer */
-    //    edc20_dac_tim_start(cal_dac_timer_interval(&mode_param.config, &dac_param), _callback, &dac_param);
-    //
-    //    /* start ADC timer */
-    //    edc20_adc_tim_start(&mode_param.config);
-    //
-    //    /* get current tick */
-    //    TickType_t tick = xTaskGetTickCount();
-    //
-    //    uint32_t notify_delay = pdMS_TO_TICKS(mode_param.mS_period);
-    //
-    //    /* start data update process */
-    //    running = true;
-    //
-    //    while (running)
-    //    {
-    //        ret_code_t ret = _send_data_packet(&packet_buf, false);
-    //        switch (ret)
-    //        {
-    //            case NRF_SUCCESS:
-    //            case NRF_ERROR_RESOURCES:
-    //                vTaskDelayUntil(&tick, notify_delay);
-    //                break;
-    //            default:
-    //                running = false;
-    //                break;
-    //        }
-    //    }
-    //
-    //    edc20_dac_tim_stop();
-    //    edc20_adc_tim_stop();
+    
+       /* start DAC timer */
+       edc20_dac_tim_start(cal_dac_timer_interval(&mode_param.config, &dac_param), _callback, &dac_param);
+    
+       /* start ADC timer */
+       edc20_adc_tim_start(&mode_param.config);
+    
+       /* get current tick */
+       TickType_t tick = xTaskGetTickCount();
+    
+       uint32_t notify_delay = pdMS_TO_TICKS(mode_param.mS_period);
+    
+       /* start data update process */
+       running = true;
+    
+       while (running)
+       {
+           ret_code_t ret = _send_data_packet(&packet_buf, false);
+           switch (ret)
+           {
+               case NRF_SUCCESS:
+               case NRF_ERROR_RESOURCES:
+                   vTaskDelayUntil(&tick, notify_delay);
+                   break;
+               default:
+                   running = false;
+                   break;
+           }
+       }
+    
+       edc20_dac_tim_stop();
+       edc20_adc_tim_stop();
 
     if (1)
     {