解决电池电量0，1跳变

Signed-off-by: huhui <huhui@sharkgulf.com>

Application/app/sox/soc.c

@@ -254,6 +254,9 @@ static void soc_update_by_current_and_time(float current_now, float delta_time,
 	}else if (!chargering && (_soc.capacity == 0) && !is_force_empty){
 		_soc.capacity = 1;
 	}
+	if (is_force_empty) {
+		_soc.capacity = 0;
+	}
 	//通过电压校准SOC，只能在电压范围的两端校准
 	soc_update_by_ocv();
 	soc_calibrate(prev_charge_status);