fix

diet-core/src/main/java/com/mathvision/diet/service/DishService.java

@@ -19,7 +19,6 @@ import org.springframework.data.jpa.domain.Specification;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Service;
 
-import javax.annotation.PostConstruct;
 import javax.annotation.Resource;
 import javax.persistence.criteria.Predicate;
 import java.math.BigDecimal;
@@ -56,6 +55,10 @@ public class DishService {
         }
         try {
             List<Dish> dishes = UPDATE_LABEL_TIME == null ? dishRepository.findAll() : dishRepository.findByModifyGreaterThan(UPDATE_LABEL_TIME);
+            if (dishes.isEmpty()) {
+                return;
+            }
+            UPDATE_LABEL_TIME = Instant.now();
             Map<String, Ingredient> ingredientMap = ingredientService.getFullByKeys(dishes.stream().filter(x -> CollectionUtils.isNotEmpty(x.getIngredient())).flatMap(x -> x.getIngredient().stream().map(DishItemDTO::getKey)).collect(Collectors.toSet())).stream().collect(Collectors.toMap(Ingredient::getKey, v -> v));
             dishes.forEach(dish -> {
                 Map<String, BigDecimal> items = dish.getIngredient().stream().filter(x -> ingredientMap.containsKey(x.getKey())).flatMap(x ->
@@ -79,7 +82,6 @@ public class DishService {
         } catch (Exception e) {
             log.error("[DishService] update label exception : " + e.getMessage(), e);
         } finally {
-            UPDATE_LABEL_TIME = Instant.now();
             UPDATE_LABEL_LOCK.unlock();
         }
     }