fix: recorder charger over voltage && discharger lower voltage error

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

Application/app/sox/health.c

@@ -277,7 +277,7 @@ void check_voltage_state(void) {
 			discharger_lower_voltage = 0;
 			error_counts.cell_under_voltage = 0;
 		}
-		_charging != bms_state_get()->charging;
+		_charging = bms_state_get()->charging;
 	}
 	if (bms_state_get()->charging){ //check sigle cell's voltage for charger
 		_health.discharger_shutpower_voltage = 0;