diff --git a/bookMarkService/business/bookmark/src/main/java/com/fanxb/bookmark/business/bookmark/dao/HostIconDao.java b/bookMarkService/business/bookmark/src/main/java/com/fanxb/bookmark/business/bookmark/dao/HostIconDao.java
index 915100b..cf8f3bf 100644
--- a/bookMarkService/business/bookmark/src/main/java/com/fanxb/bookmark/business/bookmark/dao/HostIconDao.java
+++ b/bookMarkService/business/bookmark/src/main/java/com/fanxb/bookmark/business/bookmark/dao/HostIconDao.java
@@ -1,9 +1,6 @@
 package com.fanxb.bookmark.business.bookmark.dao;
 
-import org.apache.ibatis.annotations.Insert;
-import org.apache.ibatis.annotations.Mapper;
-import org.apache.ibatis.annotations.Param;
-import org.apache.ibatis.annotations.Select;
+import org.apache.ibatis.annotations.*;
 
 /**
  * @author fanxb
@@ -28,6 +25,15 @@ public interface HostIconDao {
      * @return {@link String}
      * @author fanxb
      */
-    @Select("select iconPath from host_icon where host=#{host}")
+    @Select("select iconPath from host_icon where host=#{host} limit 1")
     String selectByHost(String host);
+
+    /**
+     * 删除一条
+     *
+     * @param host host
+     * @author FleyX
+     */
+    @Delete("delete from host_icon where host=#{host}")
+    void deleteByHost(String host);
 }
diff --git a/bookMarkService/business/bookmark/src/main/java/com/fanxb/bookmark/business/bookmark/service/impl/BookmarkServiceImpl.java b/bookMarkService/business/bookmark/src/main/java/com/fanxb/bookmark/business/bookmark/service/impl/BookmarkServiceImpl.java
index bf15fcc..e212e03 100644
--- a/bookMarkService/business/bookmark/src/main/java/com/fanxb/bookmark/business/bookmark/service/impl/BookmarkServiceImpl.java
+++ b/bookMarkService/business/bookmark/src/main/java/com/fanxb/bookmark/business/bookmark/service/impl/BookmarkServiceImpl.java
@@ -345,6 +345,7 @@ public class BookmarkServiceImpl implements BookmarkService {
             try {
                 byte[] b = Base64Decoder.decode(icon.substring(icon.indexOf(",") + 1));
                 String iconPath = saveToFile(iconUrl, host, b);
+                hostIconDao.deleteByHost(host);
                 hostIconDao.insert(host, iconPath);
                 return iconPath;
             } catch (Exception e) {