diff --git a/README.md b/README.md
index e6e0a8d..b504516 100644
--- a/README.md
+++ b/README.md
@@ -12,4 +12,9 @@ V1.0
 
 ```
 
+```
+电池放电曲线:
+    https://blog.csdn.net/daoshuti/article/details/76163942
+```
+
 
diff --git a/app/src/acid_dispenser_ble_slave_main.c b/app/src/acid_dispenser_ble_slave_main.c
index 26837aa..f2ef80f 100644
--- a/app/src/acid_dispenser_ble_slave_main.c
+++ b/app/src/acid_dispenser_ble_slave_main.c
@@ -79,8 +79,8 @@ void one_conduction_process_rx_packet(uint8_t* rx, int len) {
 
     ZLOGI("update state mode:%d state:%d", workmode, pumpworkstate);
     zapp_get_gstate()->last_usr_operation_time = znordic_getpower_on_ms();
-    zapp_get_gstate()->hand_acid_mode = workmode;
-    zapp_get_gstate()->work_state     = pumpworkstate;
+    zapp_get_gstate()->hand_acid_mode          = workmode;
+    zapp_get_gstate()->work_state              = pumpworkstate;
     send_success_receipt(rxheader, NULL, 0);
 
     return;
@@ -264,8 +264,9 @@ void pre_process_state(app_event_t* event, uint16_t event_size) {
       if (battery_mgr_get_battery_level() < 30) {
         light_ctrl_trigger_once_low_power();
       }
-      // ZLOGI("battery level:%d",battery_mgr_get_battery_level());
     }
+    // ZLOGI("battery level:%d", (int)(battery_mgr_get_battery_level()));
+
     cnt++;
   }
 }
diff --git a/app/src/app_service/battery_mgr_service.c b/app/src/app_service/battery_mgr_service.c
index 8a5d38b..92d012b 100644
--- a/app/src/app_service/battery_mgr_service.c
+++ b/app/src/app_service/battery_mgr_service.c
@@ -1,9 +1,9 @@
 #include "battery_mgr_service.h"
-#include "board/board.h"
 
 #include "app_basic_service/zapp_core.h"
-#define BATTERY_ADC_CHANNEL       1  // 不重复即可
-#define BATTERY_ADC_PIN           NRF_SAADC_INPUT_AIN3
+#include "board/board.h"
+#define BATTERY_ADC_CHANNEL 1  // 不重复即可
+#define BATTERY_ADC_PIN     NRF_SAADC_INPUT_AIN3
 
 void battery_mgr_init() {
   // BATADC
@@ -15,8 +15,7 @@ void battery_mgr_init() {
   channel_config.acq_time                   = NRF_SAADC_ACQTIME_40US;
   ZERROR_CHECK(nrfx_saadc_channel_init(BATTERY_ADC_CHANNEL, &channel_config));
 }
-int16_t battery_mgr_get_battery_level() {
-    
+int battery_mgr_get_battery_level() {
   nrf_saadc_value_t value;
   ret_code_t        err_code;
   err_code = nrfx_saadc_sample_convert(BATTERY_ADC_CHANNEL, &value);
@@ -24,5 +23,10 @@ int16_t battery_mgr_get_battery_level() {
     ZLOGE("nrfx_saadc_sample_convert(%d) fail err_code:%d", BATTERY_ADC_CHANNEL, err_code);
     return 0;
   }
-  return value;
+  float voltage = value / 4096.0 * 3.6 + 0.3;  // 0.3为防反接二极管压降
+
+  float percent = (voltage - 1.8) / (3.2 - 1.8) * 100;
+  if (percent > 100) percent = 100;
+  if (percent < 0) percent = 2;
+  return percent;
 }
diff --git a/app/src/app_service/battery_mgr_service.h b/app/src/app_service/battery_mgr_service.h
index 8154f7c..b3ef58a 100644
--- a/app/src/app_service/battery_mgr_service.h
+++ b/app/src/app_service/battery_mgr_service.h
@@ -7,5 +7,5 @@
 #include "znordic.h"
 
 void battery_mgr_init();
-int16_t battery_mgr_get_battery_level();
+int battery_mgr_get_battery_level();