diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysNoticeMapper.java b/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysNoticeMapper.java
index 836abd5..9e4a359 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysNoticeMapper.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysNoticeMapper.java
@@ -48,7 +48,7 @@ public interface SysNoticeMapper
      * @param noticeIds 需要删除的数据ID
      * @return 结果
      */
-    public int deleteNoticeByIds(String[] noticeIds);
+    public int deleteNoticeByIds(Long[] noticeIds);
 
 
     /**
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysNoticeServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysNoticeServiceImpl.java
index 31f06b3..b2af239 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysNoticeServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysNoticeServiceImpl.java
@@ -77,7 +77,7 @@ public class SysNoticeServiceImpl implements ISysNoticeService
     @Override
     public int deleteNoticeByIds(String ids)
     {
-        return noticeMapper.deleteNoticeByIds(Convert.toStrArray(ids));
+        return noticeMapper.deleteNoticeByIds(Convert.toLongArray(ids));
     }
 
     /**
diff --git a/ruoyi-system/src/main/resources/mapper/system/SysNoticeMapper.xml b/ruoyi-system/src/main/resources/mapper/system/SysNoticeMapper.xml
index 57f2a20..b36a039 100644
--- a/ruoyi-system/src/main/resources/mapper/system/SysNoticeMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/system/SysNoticeMapper.xml
@@ -75,7 +75,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         where notice_id = #{noticeId}
     </update>
 	
-    <delete id="deleteNoticeByIds" parameterType="String">
+    <delete id="deleteNoticeByIds" parameterType="Long">
         delete from sys_notice where notice_id in 
         <foreach item="noticeId" collection="array" open="(" separator="," close=")">
             #{noticeId}