diff --git a/headless/core/src/main/java/com/tencent/supersonic/headless/core/chat/knowledge/helper/NatureHelper.java b/headless/core/src/main/java/com/tencent/supersonic/headless/core/chat/knowledge/helper/NatureHelper.java
index 169555d10..dbea11ec3 100644
--- a/headless/core/src/main/java/com/tencent/supersonic/headless/core/chat/knowledge/helper/NatureHelper.java
+++ b/headless/core/src/main/java/com/tencent/supersonic/headless/core/chat/knowledge/helper/NatureHelper.java
@@ -141,6 +141,20 @@ public class NatureHelper {
                 && StringUtils.isNumeric(split[1]);
     }
 
+    public static boolean isTermNature(String nature) {
+        if (StringUtils.isEmpty(nature)) {
+            return false;
+        }
+        if (!nature.startsWith(DictWordType.NATURE_SPILT)) {
+            return false;
+        }
+        String[] split = nature.split(DictWordType.NATURE_SPILT);
+        if (split.length <= 1) {
+            return false;
+        }
+        return nature.endsWith(DictWordType.TERM.getType());
+    }
+
     public static DataSetInfoStat getDataSetStat(List<S2Term> terms) {
         return DataSetInfoStat.builder()
                 .dataSetCount(getDataSetCount(terms))
diff --git a/headless/core/src/main/java/com/tencent/supersonic/headless/core/chat/mapper/BaseMapper.java b/headless/core/src/main/java/com/tencent/supersonic/headless/core/chat/mapper/BaseMapper.java
index c03f8f2f6..be968ee4c 100644
--- a/headless/core/src/main/java/com/tencent/supersonic/headless/core/chat/mapper/BaseMapper.java
+++ b/headless/core/src/main/java/com/tencent/supersonic/headless/core/chat/mapper/BaseMapper.java
@@ -10,11 +10,13 @@ import com.tencent.supersonic.headless.core.pojo.QueryContext;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.BeanUtils;
+import org.springframework.util.CollectionUtils;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
+import java.util.Set;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.function.Predicate;
 import java.util.stream.Collectors;
@@ -43,7 +45,7 @@ public abstract class BaseMapper implements SchemaMapper {
     }
 
     private void filter(QueryContext queryContext) {
-
+        filterByDataSetId(queryContext);
         switch (queryContext.getQueryDataType()) {
             case TAG:
                 filterByQueryDataType(queryContext, element -> !(element.getIsTag() > 0));
@@ -62,7 +64,19 @@ public abstract class BaseMapper implements SchemaMapper {
             default:
                 break;
         }
+    }
 
+    private static void filterByDataSetId(QueryContext queryContext) {
+        Set<Long> dataSetIds = queryContext.getDataSetIds();
+        if (CollectionUtils.isEmpty(dataSetIds)) {
+            return;
+        }
+        Set<Long> dataSetIdInMapInfo = queryContext.getMapInfo().getDataSetElementMatches().keySet();
+        for (Long dataSetId : dataSetIdInMapInfo) {
+            if (!dataSetIds.contains(dataSetId)) {
+                queryContext.getMapInfo().getDataSetElementMatches().remove(dataSetId);
+            }
+        }
     }
 
     private static void filterByQueryDataType(QueryContext queryContext, Predicate<SchemaElement> needRemovePredicate) {
diff --git a/headless/core/src/main/java/com/tencent/supersonic/headless/core/chat/mapper/HanlpDictMatchStrategy.java b/headless/core/src/main/java/com/tencent/supersonic/headless/core/chat/mapper/HanlpDictMatchStrategy.java
index dab46c704..ad9b8ee81 100644
--- a/headless/core/src/main/java/com/tencent/supersonic/headless/core/chat/mapper/HanlpDictMatchStrategy.java
+++ b/headless/core/src/main/java/com/tencent/supersonic/headless/core/chat/mapper/HanlpDictMatchStrategy.java
@@ -2,10 +2,10 @@ package com.tencent.supersonic.headless.core.chat.mapper;
 
 import com.tencent.supersonic.common.pojo.Constants;
 import com.tencent.supersonic.headless.api.pojo.response.S2Term;
-import com.tencent.supersonic.headless.core.config.OptimizationConfig;
-import com.tencent.supersonic.headless.core.pojo.QueryContext;
 import com.tencent.supersonic.headless.core.chat.knowledge.HanlpMapResult;
 import com.tencent.supersonic.headless.core.chat.knowledge.KnowledgeService;
+import com.tencent.supersonic.headless.core.config.OptimizationConfig;
+import com.tencent.supersonic.headless.core.pojo.QueryContext;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.lang3.StringUtils;
@@ -108,9 +108,12 @@ public class HanlpDictMatchStrategy extends BaseMatchStrategy<HanlpMapResult> {
         Integer oneDetectionSize = optimizationConfig.getOneDetectionSize();
         List<HanlpMapResult> oneRoundResults = hanlpMapResults.stream().limit(oneDetectionSize)
                 .collect(Collectors.toList());
-
         if (CollectionUtils.isNotEmpty(dimensionMetrics)) {
             oneRoundResults = dimensionMetrics;
+            List<HanlpMapResult> termOneRoundResults = hanlpMapResults.stream()
+                    .filter(hanlpMapResult -> mapperHelper.existTerms(hanlpMapResult.getNatures()))
+                    .collect(Collectors.toList());
+            oneRoundResults.addAll(termOneRoundResults);
         }
         // step6. select mapResul in one round
         selectResultInOneRound(existResults, oneRoundResults);
diff --git a/headless/core/src/main/java/com/tencent/supersonic/headless/core/chat/mapper/MapperHelper.java b/headless/core/src/main/java/com/tencent/supersonic/headless/core/chat/mapper/MapperHelper.java
index 36c686bda..a245a4287 100644
--- a/headless/core/src/main/java/com/tencent/supersonic/headless/core/chat/mapper/MapperHelper.java
+++ b/headless/core/src/main/java/com/tencent/supersonic/headless/core/chat/mapper/MapperHelper.java
@@ -59,6 +59,15 @@ public class MapperHelper {
         return false;
     }
 
+    public boolean existTerms(List<String> natures) {
+        for (String nature : natures) {
+            if (NatureHelper.isTermNature(nature)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     /***
      * get similarity
      * @param detectSegment