diff --git a/diet-core/src/main/java/com/mathvision/diet/service/DishService.java b/diet-core/src/main/java/com/mathvision/diet/service/DishService.java
index 35afb05..d55ea87 100644
--- a/diet-core/src/main/java/com/mathvision/diet/service/DishService.java
+++ b/diet-core/src/main/java/com/mathvision/diet/service/DishService.java
@@ -16,14 +16,19 @@ import org.apache.commons.lang3.tuple.Pair;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.PageRequest;
 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;
 import java.math.RoundingMode;
 import java.text.DecimalFormat;
+import java.time.Instant;
 import java.util.*;
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReentrantLock;
 import java.util.stream.Collectors;
 
 @Slf4j
@@ -32,6 +37,9 @@ public class DishService {
     private static final List<String> MUST_DISPLAY_ITEM = Lists.newArrayList("energy", "protein", "fat", "carbs", "sodium");
     private static final List<String> WANT_DISPLAY_ITEM = Lists.newArrayList("energy", "protein", "fat", "carbs", "sugar", "sodium");
 
+    private static final Lock UPDATE_LABEL_LOCK = new ReentrantLock();
+    private static Instant UPDATE_LABEL_TIME;
+
     @Resource
     private EnumService enumService;
 
@@ -41,6 +49,41 @@ public class DishService {
     @Resource
     private DishRepository dishRepository;
 
+    @Scheduled(cron = "0/5 * * * * *")
+    public void init() {
+        if (!UPDATE_LABEL_LOCK.tryLock()) {
+            return;
+        }
+        try {
+            List<Dish> dishes = UPDATE_LABEL_TIME == null ? dishRepository.findAll() : dishRepository.findByModifyGreaterThan(UPDATE_LABEL_TIME);
+            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 ->
+                        ingredientMap.get(x.getKey()).getNutrient().entrySet().stream().map(n -> Pair.of(n.getKey(), n.getValue().multiply(x.getValue()).divide(new BigDecimal(100), RoundingMode.HALF_UP)))
+                ).collect(Collectors.toMap(Pair::getKey, Pair::getValue, BigDecimal::add));
+                items.put("sugar", sugar(dish, ingredientMap));
+
+                List<String> label = Lists.newArrayList();
+                if (items.getOrDefault("sodium", BigDecimal.ZERO).compareTo(new BigDecimal("120")) <= 0) {
+                    label.add("低盐");
+                }
+                if (items.getOrDefault("fat", BigDecimal.ZERO).compareTo(new BigDecimal("3")) <= 0) {
+                    label.add("低脂");
+                }
+                if (items.getOrDefault("sugar", BigDecimal.ZERO).compareTo(new BigDecimal("5")) <= 0) {
+                    label.add("低糖");
+                }
+                dish.setLabel(label);
+            });
+            dishRepository.saveAll(dishes);
+        } catch (Exception e) {
+            log.error("[DishService] update label exception : " + e.getMessage(), e);
+        } finally {
+            UPDATE_LABEL_TIME = Instant.now();
+            UPDATE_LABEL_LOCK.unlock();
+        }
+    }
+
     public void add(List<Dish> dishes, String operator) {
         dishRepository.saveAll(dishes);
         log.info("[DishService] add dishes count = " + dishes.size() + ", operator = " + operator);
@@ -85,11 +128,11 @@ public class DishService {
         return dishRepository.findByNameLikeOrderByIdDesc("%" + keyword + "%");
     }
 
-    public Page<Dish> list(Long vender, String name, String mark, String poly, PageRequest pageRequest) {
-        return dishRepository.findAll(toSpecification(vender, name, mark, poly), pageRequest);
+    public Page<Dish> list(Long vender, String name, String mark, String poly, String label, PageRequest pageRequest) {
+        return dishRepository.findAll(toSpecification(vender, name, mark, poly, label), pageRequest);
     }
 
-    private Specification<Dish> toSpecification(Long vender, String name, String mark, String poly) {
+    private Specification<Dish> toSpecification(Long vender, String name, String mark, String poly, String label) {
         return (root, query, builder) -> {
             List<Predicate> predicates = new ArrayList<>();
 
@@ -109,6 +152,10 @@ public class DishService {
                 predicates.add(builder.like(root.get("name"), "%" + name + "%"));
             }
 
+            if (StringUtils.isNotBlank(label)) {
+                predicates.add(builder.like(root.get("label"), "%" + label + "%"));
+            }
+
             if (predicates.size() > 1) {
                 return builder.and(predicates.toArray(new Predicate[0]));
             } else if (predicates.size() == 1) {
@@ -167,9 +214,7 @@ public class DishService {
                 }
             }, BigDecimal::add));
 
-            items.put("sugar", dish.getIngredient().stream().filter(x -> ingredientMap.containsKey(x.getKey()))
-                    .map(x -> Pair.of(ingredientMap.get(x.getKey()), x.getValue()))
-                    .filter(x -> StringUtils.equals("糖类", x.getKey().getType())).map(Pair::getValue).reduce(BigDecimal::add).orElse(BigDecimal.ZERO));
+            items.put("sugar", sugar(dish, ingredientMap));
 
             MUST_DISPLAY_ITEM.forEach(x -> {
                 if (!items.containsKey(x)) {
@@ -201,4 +246,10 @@ public class DishService {
             return DishLabelDO.builder().name(dish.getName()).ingredients(ingredients).component(component).build();
         }).collect(Collectors.toList());
     }
+
+    private BigDecimal sugar(Dish dish, Map<String, Ingredient> ingredientMap) {
+        return dish.getIngredient().stream().filter(x -> ingredientMap.containsKey(x.getKey()))
+                .map(x -> Pair.of(ingredientMap.get(x.getKey()), x.getValue()))
+                .filter(x -> StringUtils.equals("糖类", x.getKey().getType())).map(Pair::getValue).reduce(BigDecimal::add).orElse(BigDecimal.ZERO);
+    }
 }
\ No newline at end of file
diff --git a/diet-dao/src/main/java/com/mathvision/diet/entity/Dish.java b/diet-dao/src/main/java/com/mathvision/diet/entity/Dish.java
index 4b9e83c..acf82b7 100644
--- a/diet-dao/src/main/java/com/mathvision/diet/entity/Dish.java
+++ b/diet-dao/src/main/java/com/mathvision/diet/entity/Dish.java
@@ -55,6 +55,10 @@ public class Dish {
     @Column(name = "marks", nullable = false, length = 45)
     private String marks;
 
+    @Type(type = "json")
+    @Column(name = "label", columnDefinition = "json", nullable = false)
+    private List<String> label;
+
     @Column(name = "poly", nullable = false, length = 16)
     private String poly;
 
diff --git a/diet-dao/src/main/java/com/mathvision/diet/repository/DishRepository.java b/diet-dao/src/main/java/com/mathvision/diet/repository/DishRepository.java
index ead0c15..63a3dbe 100644
--- a/diet-dao/src/main/java/com/mathvision/diet/repository/DishRepository.java
+++ b/diet-dao/src/main/java/com/mathvision/diet/repository/DishRepository.java
@@ -6,10 +6,12 @@ import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.time.Instant;
 import java.util.Collection;
 import java.util.List;
 
 public interface DishRepository extends JpaRepository<Dish, Long>, JpaSpecificationExecutor<Dish> {
+    List<Dish> findByModifyGreaterThan(Instant modify);
     @Transactional
     long deleteByVender(Long vender);
     @Query("select new Dish(d.id, d.name, d.marks, d.poly, d.ingredient) from Dish d where d.name like ?1 order by d.id DESC")
diff --git a/diet-web/src/main/java/com/mathvision/diet/controller/DishController.java b/diet-web/src/main/java/com/mathvision/diet/controller/DishController.java
index 79d895f..aef8f5d 100644
--- a/diet-web/src/main/java/com/mathvision/diet/controller/DishController.java
+++ b/diet-web/src/main/java/com/mathvision/diet/controller/DishController.java
@@ -121,11 +121,11 @@ public class DishController  extends BaseController {
 
     @ResponseBody
     @RequestMapping(method = RequestMethod.GET)
-    public Object query(@RequestParam(required = false) String keyword, @RequestParam(required = false) Long id, @RequestParam(required = false) Long vendors, @RequestParam(required = false) String mark, @RequestParam(required = false) String poly, @RequestParam(required = false, defaultValue = "0") int pageNo, @RequestParam(required = false, defaultValue = "20") int pageSize) {
+    public Object query(@RequestParam(required = false) String keyword, @RequestParam(required = false) Long id, @RequestParam(required = false) Long vendors, @RequestParam(required = false) String mark, @RequestParam(required = false) String poly, @RequestParam(required = false) String label, @RequestParam(required = false, defaultValue = "0") int pageNo, @RequestParam(required = false, defaultValue = "20") int pageSize) {
         if (id != null) {
             return isAdmin() ? dishService.get(id) : dishService.get(id, getVender());
         }
-        return dishService.list(!isAdmin() || vendors == null ? getVender() : vendors, keyword, mark, poly, PageRequest.of(pageNo, pageSize).withSort(Sort.by(Sort.Direction.DESC, "id")));
+        return dishService.list(!isAdmin() || vendors == null ? getVender() : vendors, keyword, mark, poly, label, PageRequest.of(pageNo, pageSize).withSort(Sort.by(Sort.Direction.DESC, "id")));
     }
 
     @ResponseBody
diff --git a/diet-web/src/main/resources/static/change.html b/diet-web/src/main/resources/static/change.html
index 78444a2..5f927fe 100644
--- a/diet-web/src/main/resources/static/change.html
+++ b/diet-web/src/main/resources/static/change.html
@@ -50,4 +50,8 @@
   <li>ʳ�׷���: ���ͷ����ķ������ݽṹ���, ���������ǵķ����ӿ�, ������⿷�ʽ����;</li>
   <li>ͼƬ�ӿ�: ��ȡͼƬ�ӿڵ�·���������;</li>
 </ul>
+<h3>12.08</h3>
+<ul>
+  <li>��Ʒ�ӿ�: ����ֵ�������ͱ�ǩ, �ֶ���-label, ����-list;</li>
+</ul>
 
diff --git a/doc/change.md b/doc/change.md
index f8813e8..e322c7b 100644
--- a/doc/change.md
+++ b/doc/change.md
@@ -47,4 +47,7 @@
 * 食谱接口: 食谱中的状态除草稿和发布状态外屏蔽, 食谱审核协议屏蔽;
 * 食谱接口: 食谱名称增加了特殊字符的校验;
 * 食谱分析: 类型分析的返回数据结构变更, 添加油盐糖的分析接口, 添加烹饪方式分析;
-* 图片接口: 获取图片接口的路径发生变更;
\ No newline at end of file
+* 图片接口: 获取图片接口的路径发生变更;
+
+### 12.08
+* 菜品接口: 返回值增加三低标签, 字段名-label, 类型-list;
diff --git a/sql/update.sql b/sql/update.sql
new file mode 100644
index 0000000..238ae40
--- /dev/null
+++ b/sql/update.sql
@@ -0,0 +1,5 @@
+ALTER TABLE `diet`.`ingredient` DROP INDEX `idx_key`;
+
+ALTER TABLE `diet`.`dish` ADD INDEX `idx_marks`(`marks`);
+ALTER TABLE `diet`.`dish` ADD INDEX `idx_modify`(`modify`);
+ALTER TABLE `diet`.`dish` ADD COLUMN `label` json NULL COMMENT '标签' AFTER `poly`;
\ No newline at end of file