diff --git a/heart_rate_sensor_protocol.h b/heart_rate_sensor_protocol.h
index c5f99c8..46126d5 100644
--- a/heart_rate_sensor_protocol.h
+++ b/heart_rate_sensor_protocol.h
@@ -22,6 +22,8 @@ typedef enum {
   kifyhrs_ecode_no_record_find            = 7,
   kifyhrs_ecode_parameter_error           = 8,
   kifyhrs_ecode_electrode_is_not_inserted = 9,
+  kifyhrs_ecode_device_exception          = 10,
+  kifyhrs_ecode_invalid_state             = 11,
 } ify_hrs_error_code_t;
 
 typedef enum {
@@ -48,24 +50,26 @@ typedef enum {
 } ify_hrs_sensor_pos_t;
 
 typedef enum {
-  ify_hrs_cmd_read_device_version    = 1,
-  ify_hrs_cmd_read_sensor_info       = 2,
-  ify_hrs_cmd_read_device_state      = 3,
-  ify_hrs_cmd_read_time              = 4,
-  ify_hrs_cmd_sync_time              = 5,
-  ify_hrs_cmd_start_capture          = 6,
-  ify_hrs_cmd_stop_capture           = 7,
-  ify_hrs_cmd_start_realtime_report  = 8,
-  ify_hrs_cmd_stop_realtime_report   = 9,
-  ify_hrs_cmd_read_records_info      = 10,
-  ify_hrs_cmd_del_record             = 11,
-  ify_hrs_cmd_start_upload_record    = 12,
-  ify_hrs_cmd_enter_ota              = 13,
-  ify_hrs_cmd_read_sn                = 14,
-  ify_hrs_cmd_reset                  = 15,
-  ify_hrs_cmd_stop_upload_record     = 16,
-  ify_hrs_cmd_start_capture_time_v2  = 17,
-  ify_hrs_cmd_start_upload_record_v2 = 18,
+  ify_hrs_cmd_read_device_version = 1,
+  ify_hrs_cmd_read_sensor_info    = 2,
+  ify_hrs_cmd_read_device_state   = 3,
+  ify_hrs_cmd_read_time           = 4,
+  ify_hrs_cmd_sync_time           = 5,
+  ify_hrs_cmd_start_realtime_preview      = 8,
+  ify_hrs_cmd_stop_realtime_preview       = 9,
+  ify_hrs_cmd_read_records_info           = 10,
+  ify_hrs_cmd_del_record                  = 11,
+  ify_hrs_cmd_start_upload_record         = 12,
+  ify_hrs_cmd_enter_ota                   = 13,
+  ify_hrs_cmd_read_sn                     = 14,
+  ify_hrs_cmd_reset                       = 15,
+  ify_hrs_cmd_stop_upload_record          = 16,
+  ify_hrs_cmd_ads1293_error_detail_info   = 19,  // 内部使用
+  ify_hrs_cmd_change_sn                   = 20,  // 内部使用
+  ify_hrs_cmd_read_device_exception_state = 21,  // 读取设备异常状态
+  ify_hrs_cmd_read_ads1293_cfg_type       = 22,  // 读取ads1293使用的配置类型
+  ify_hrs_cmd_start_storage               = 23,  //
+  ify_hrs_cmd_stop_storage                = 24,  //
 
   ify_hrs_report_heartrate_data     = 101,
   ify_hrs_report_battery_level      = 102,
@@ -104,11 +108,14 @@ typedef struct {
     uint8_t report_state : 1;    // 位置
     uint8_t low_battery : 1;     // 位置
     uint8_t full_storge : 1;     // 位置
+    // uint8_t is_storaging : 1;    // 位置
     uint8_t holder : 4;          // 位置
   } device_state0;
-  uint8_t device_state1;     // 预留
-  uint8_t powerlevel;        // 电量
-  uint8_t storage_item_num;  // 记录存储条数
+  uint8_t  device_state1;     // 预留
+  uint8_t  powerlevel;        // 电量
+  uint8_t  storage_item_num;  // 记录存储条数
+  // uint32_t storage_setting_time_s;
+  // uint32_t storage_has_storaged_time_s;
 } device_state_receipt_t;
 
 typedef struct {