src/main/java/com/boying/controller/ParkController.java
@@ -113,7 +113,7 @@ Park byId1 = parkService.getById(id); String num = redisTemplate.opsForValue().get("car_park_" + byId1.getId()); try { if(StringUtils.isNotBlank(num)){ if(StringUtils.isBlank(num)){ num = "0"; } byId1.setCarNum(Integer.parseInt(num));