diff --git a/src/main/java/com/rymcu/vertical/entity/Tag.java b/src/main/java/com/rymcu/vertical/entity/Tag.java
index 24dba8f..b53e68a 100644
--- a/src/main/java/com/rymcu/vertical/entity/Tag.java
+++ b/src/main/java/com/rymcu/vertical/entity/Tag.java
@@ -42,4 +42,6 @@ public class Tag implements Serializable,Cloneable {
     private Date createdTime;
     /** 更新时间 */
     private Date updatedTime;
+    /** 保留标签 */
+    private String tagReservation;
 }
diff --git a/src/main/java/com/rymcu/vertical/mapper/TagMapper.java b/src/main/java/com/rymcu/vertical/mapper/TagMapper.java
index 64c7b14..dcd8d30 100644
--- a/src/main/java/com/rymcu/vertical/mapper/TagMapper.java
+++ b/src/main/java/com/rymcu/vertical/mapper/TagMapper.java
@@ -15,5 +15,5 @@ public interface TagMapper extends Mapper<Tag> {
 
     Integer deleteUnusedTag();
 
-    Integer update(@Param("idTag") Integer idTag, @Param("tagUri") String tagUri, @Param("tagIconPath") String tagIconPath, @Param("tagStatus") String tagStatus, @Param("tagDescription") String tagDescription);
+    Integer update(@Param("idTag") Integer idTag, @Param("tagUri") String tagUri, @Param("tagIconPath") String tagIconPath, @Param("tagStatus") String tagStatus, @Param("tagDescription") String tagDescription, @Param("tagReservation") String tagReservation);
 }
diff --git a/src/main/java/com/rymcu/vertical/service/impl/TagServiceImpl.java b/src/main/java/com/rymcu/vertical/service/impl/TagServiceImpl.java
index d78b366..4c02be0 100644
--- a/src/main/java/com/rymcu/vertical/service/impl/TagServiceImpl.java
+++ b/src/main/java/com/rymcu/vertical/service/impl/TagServiceImpl.java
@@ -11,12 +11,14 @@ import com.rymcu.vertical.web.api.exception.BaseApiException;
 import org.apache.commons.lang.StringUtils;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import tk.mybatis.mapper.entity.Condition;
 
 import javax.annotation.Resource;
 import java.io.UnsupportedEncodingException;
 import java.net.URLEncoder;
 import java.util.Date;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 /**
@@ -87,15 +89,35 @@ public class TagServiceImpl extends AbstractService<Tag> implements TagService {
     @Transactional(rollbackFor = Exception.class)
     public Map saveTag(Tag tag) {
         Integer result = 0;
+
+        Map map = new HashMap(1);
         if (tag.getIdTag() == null) {
-            tag.setCreatedTime(new Date());
-            tag.setUpdatedTime(tag.getCreatedTime());
-            result = tagMapper.insertSelective(tag);
+            if (StringUtils.isBlank(tag.getTagTitle())) {
+                map.put("message","标签名不能为空!");
+                return map;
+            } else {
+                Condition tagCondition = new Condition(Tag.class);
+                tagCondition.createCriteria().andCondition("tag_title =", tag.getTagTitle());
+                List<Tag> tags = tagMapper.selectByCondition(tagCondition);
+                if (!tags.isEmpty()) {
+                    map.put("message","标签 '" + tag.getTagTitle() + "' 已存在!");
+                    return map;
+                }
+            }
+            Tag newTag = new Tag();
+            newTag.setTagTitle(tag.getTagTitle());
+            newTag.setTagUri(tag.getTagUri());
+            newTag.setTagIconPath(tag.getTagIconPath());
+            newTag.setTagStatus(tag.getTagStatus());
+            newTag.setTagDescription(tag.getTagDescription());
+            newTag.setTagReservation(tag.getTagReservation());
+            newTag.setCreatedTime(new Date());
+            newTag.setUpdatedTime(tag.getCreatedTime());
+            result = tagMapper.insertSelective(newTag);
         } else {
             tag.setUpdatedTime(new Date());
-            result = tagMapper.update(tag.getIdTag(),tag.getTagUri(),tag.getTagIconPath(),tag.getTagStatus(),tag.getTagDescription());
+            result = tagMapper.update(tag.getIdTag(),tag.getTagUri(),tag.getTagIconPath(),tag.getTagStatus(),tag.getTagDescription(),tag.getTagReservation());
         }
-        Map map = new HashMap(1);
         if (result == 0) {
             map.put("message","操作失败!");
         } else {
diff --git a/src/main/java/mapper/TagMapper.xml b/src/main/java/mapper/TagMapper.xml
index 32baccd..4f4d437 100644
--- a/src/main/java/mapper/TagMapper.xml
+++ b/src/main/java/mapper/TagMapper.xml
@@ -13,6 +13,7 @@
         <id column="tag_view_count" property="tagViewCount"/>
         <id column="tag_article_count" property="tagArticleCount"/>
         <id column="tag_ad" property="tagAd"/>
+        <id column="tag_reservation" property="tagReservation"/>
         <id column="tag_show_side_ad" property="tagShowSideAd"/>
         <id column="created_time" property="createdTime"/>
         <id column="updated_time" property="updatedTime"/>
@@ -24,10 +25,10 @@
         insert into vertical_user_tag (id_tag,id_user,type,created_time,updated_time) values (#{idTag},#{idUser},#{type},sysdate(),sysdate())
     </insert>
     <update id="update">
-        update vertical_tag set tag_uri = #{tagUri}, tag_icon_path = #{tagIconPath}, tag_status = #{tagStatus}, tag_description = #{tagDescription} where id = #{idTag}
+        update vertical_tag set tag_uri = #{tagUri}, tag_icon_path = #{tagIconPath}, tag_status = #{tagStatus}, tag_description = #{tagDescription}, tag_reservation = #{tagReservation} where id = #{idTag}
     </update>
     <delete id="deleteUnusedTag">
-        delete from vertical_tag where id not in (select * from (select id_tag from vertical_tag_article vta left join vertical_article va on vta.id_article = va.id where va.id is not null) tmp);
+        delete from vertical_tag where tag_reservation = 0 and id not in (select * from (select id_tag from vertical_tag_article vta left join vertical_article va on vta.id_article = va.id where va.id is not null) tmp);
     </delete>
     <select id="selectCountTagArticleById" resultType="java.lang.Integer">
         select count(*) from vertical_tag_article where id_tag = #{idTag} and id_article = #{idArticle}