diff --git a/virtual-patient-model/src/main/java/com/supervision/model/MaterialLibrary.java b/virtual-patient-model/src/main/java/com/supervision/model/MaterialLibrary.java
index 19d6a6fb..4e25de82 100644
--- a/virtual-patient-model/src/main/java/com/supervision/model/MaterialLibrary.java
+++ b/virtual-patient-model/src/main/java/com/supervision/model/MaterialLibrary.java
@@ -36,6 +36,11 @@ public class MaterialLibrary implements Serializable {
      */
     private String materialType;
 
+    /**
+     * 目录id
+     */
+    private String directoryId;
+
     /**
      * 创建人ID
      */
diff --git a/virtual-patient-model/src/main/resources/mapper/MaterialLibraryMapper.xml b/virtual-patient-model/src/main/resources/mapper/MaterialLibraryMapper.xml
index fcb45be8..d4ba7726 100644
--- a/virtual-patient-model/src/main/resources/mapper/MaterialLibraryMapper.xml
+++ b/virtual-patient-model/src/main/resources/mapper/MaterialLibraryMapper.xml
@@ -9,6 +9,7 @@
             <result property="fileResourceId" column="file_resource_id" jdbcType="VARCHAR"/>
             <result property="materialName" column="material_name" jdbcType="VARCHAR"/>
             <result property="materialType" column="material_type" jdbcType="VARCHAR"/>
+            <result property="directoryId" column="directory_id" jdbcType="VARCHAR"/>
             <result property="createUserId" column="create_user_id" jdbcType="VARCHAR"/>
             <result property="createTime" column="create_time" jdbcType="TIMESTAMP"/>
             <result property="updateUserId" column="update_user_id" jdbcType="VARCHAR"/>
@@ -17,7 +18,7 @@
 
     <sql id="Base_Column_List">
         id,file_resource_id,material_name,
-        material_type,create_user_id,create_time,
+        material_type,directory_id,create_user_id,create_time,
         update_user_id,update_time
     </sql>
 </mapper>
diff --git a/virtual-patient-web/src/main/resources/sqlScript/todo.sql b/virtual-patient-web/src/main/resources/sqlScript/todo.sql
index eccf623b..90071119 100644
--- a/virtual-patient-web/src/main/resources/sqlScript/todo.sql
+++ b/virtual-patient-web/src/main/resources/sqlScript/todo.sql
@@ -77,6 +77,9 @@ create table vp_material_library
 )
     ENGINE=InnoDB DEFAULT CHARSET=utf8 ROW_FORMAT=DYNAMIC  comment '素材库表';
 
+alter table vp_material_library
+    add directory_id varchar(64) null comment '目录id 对应于 vp_directory_info表的主键' after material_type;
+
 -- 修改字段长度
 alter table vp_file_resource
     modify file_type varchar(128) null comment '文件类型';