diff --git a/src/main/java/com/sztzjy/resource_center/controller/CourseConfigController.java b/src/main/java/com/sztzjy/resource_center/controller/CourseConfigController.java
index dc52588..e787d70 100644
--- a/src/main/java/com/sztzjy/resource_center/controller/CourseConfigController.java
+++ b/src/main/java/com/sztzjy/resource_center/controller/CourseConfigController.java
@@ -67,7 +67,8 @@ public class CourseConfigController {
         //判断文件type   //todo 格式可能不够全
         if (extension.equals(".pdf") || extension.equals(".ppt") || extension.equals(".pptx")
                 || extension.equals(".xlsx") || extension.equals(".xls")
-                || extension.equals(".doc") || extension.equals(".docx")) {
+                || extension.equals(".doc") || extension.equals(".docx")
+                || extension.equals(".txt")) {
             sysResource.setResourceType("课件");
         } else if (extension.equals(".mp4") || extension.equals(".wmv") || extension.equals(".avi")) {
             sysResource.setResourceType("视频");
diff --git a/src/main/java/com/sztzjy/resource_center/controller/CourseTagManageController.java b/src/main/java/com/sztzjy/resource_center/controller/CourseTagManageController.java
index 0700e15..71839d3 100644
--- a/src/main/java/com/sztzjy/resource_center/controller/CourseTagManageController.java
+++ b/src/main/java/com/sztzjy/resource_center/controller/CourseTagManageController.java
@@ -4,12 +4,8 @@ import cn.hutool.core.util.IdUtil;
 import com.sztzjy.resource_center.annotation.AnonymousAccess;
 import com.sztzjy.resource_center.config.security.JwtUser;
 import com.sztzjy.resource_center.config.security.TokenProvider;
-import com.sztzjy.resource_center.entity.SysOneCatalog;
-import com.sztzjy.resource_center.entity.SysThreeCatalog;
-import com.sztzjy.resource_center.entity.SysTwoCatalog;
-import com.sztzjy.resource_center.mapper.SysOneCatalogMapper;
-import com.sztzjy.resource_center.mapper.SysThreeCatalogMapper;
-import com.sztzjy.resource_center.mapper.SysTwoCatalogMapper;
+import com.sztzjy.resource_center.entity.*;
+import com.sztzjy.resource_center.mapper.*;
 import com.sztzjy.resource_center.util.ResultEntity;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
@@ -25,6 +21,7 @@ import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.stream.Collectors;
 
 /**
  * @Author xcj
@@ -42,6 +39,11 @@ public class CourseTagManageController {
     private SysThreeCatalogMapper sysThreeCatalogMapper;
     @Resource
     private AuthenticationManagerBuilder authenticationManagerBuilder;
+    @Autowired
+    private SysTopicAndCourseMapper sysTopicAndCourseMapper;
+    @Autowired
+    private SysResourceAndCourseMapper sysResourceAndCourseMapper;
+
 
     @AnonymousAccess
     @ApiOperation("添加二级目录")
@@ -89,10 +91,35 @@ public class CourseTagManageController {
             SysTwoCatalog sysTwoCatalog = sysTwoCatalogMapper.selectByPrimaryKey(id);
             sysTwoCatalog.setTwoName(name);
             sysTwoCatalogMapper.updateByPrimaryKey(sysTwoCatalog);
+
+            SysResourceAndCourseExample example = new SysResourceAndCourseExample();
+            example.createCriteria().andTwoIdEqualTo(id);
+            List<SysResourceAndCourse> sysResourceAndCourses = sysResourceAndCourseMapper.selectByExample(example);
+            List<String> ids = sysResourceAndCourses.stream().map(SysResourceAndCourse::getId).collect(Collectors.toList());
+            sysResourceAndCourseMapper.batchUpdateTwoName(ids, name);
+
+            SysTopicAndCourseExample example1 =new SysTopicAndCourseExample();
+            example1.createCriteria().andTwoIdEqualTo(id);
+            List<SysTopicAndCourse> sysTopicAndCourses = sysTopicAndCourseMapper.selectByExample(example1);
+            List<String> collect = sysTopicAndCourses.stream().map(SysTopicAndCourse::getId).collect(Collectors.toList());
+            sysTopicAndCourseMapper.batchUpdateTwoName(collect,name);
         } else {
+
             SysThreeCatalog sysThreeCatalog = sysThreeCatalogMapper.selectByPrimaryKey(id);
             sysThreeCatalog.setThreeName(name);
             sysThreeCatalogMapper.updateByPrimaryKey(sysThreeCatalog);
+
+            SysResourceAndCourseExample example = new SysResourceAndCourseExample();
+            example.createCriteria().andThreeIdEqualTo(id);
+            List<SysResourceAndCourse> sysResourceAndCourses = sysResourceAndCourseMapper.selectByExample(example);
+            List<String> ids = sysResourceAndCourses.stream().map(SysResourceAndCourse::getId).collect(Collectors.toList());
+            sysResourceAndCourseMapper.batchUpdateThreeName(ids, name);
+
+            SysTopicAndCourseExample example1 =new SysTopicAndCourseExample();
+            example1.createCriteria().andThreeIdEqualTo(id);
+            List<SysTopicAndCourse> sysTopicAndCourses = sysTopicAndCourseMapper.selectByExample(example1);
+            List<String> collect = sysTopicAndCourses.stream().map(SysTopicAndCourse::getId).collect(Collectors.toList());
+            sysTopicAndCourseMapper.batchUpdateThreeName(collect,name);
         }
         return new ResultEntity<>(HttpStatus.OK, "修改成功");
     }
@@ -104,8 +131,25 @@ public class CourseTagManageController {
     public ResultEntity<String> deleteTwoAndThreeCatalog(@ApiParam("二级目录传2/三级传3") @RequestParam int type,
                                                          @RequestParam String id) {
         if (type == 2) {
-            sysTwoCatalogMapper.deleteByPrimaryKey(id);
+            //删除资源
+            SysResourceAndCourseExample example1 = new SysResourceAndCourseExample();
+            example1.createCriteria().andTwoIdEqualTo(id);
+            sysResourceAndCourseMapper.deleteByExample(example1);
+
+            //删除题目
+            SysTopicAndCourseExample example = new SysTopicAndCourseExample();
+            example.createCriteria().andTwoIdEqualTo(id);
+            sysTopicAndCourseMapper.deleteByExample(example);
         } else {
+            //删除资源
+            SysResourceAndCourseExample example1 = new SysResourceAndCourseExample();
+            example1.createCriteria().andThreeIdEqualTo(id);
+            sysResourceAndCourseMapper.deleteByExample(example1);
+
+            //删除题目
+            SysTopicAndCourseExample example = new SysTopicAndCourseExample();
+            example.createCriteria().andThreeIdEqualTo(id);
+            sysTopicAndCourseMapper.deleteByExample(example);
             sysThreeCatalogMapper.deleteByPrimaryKey(id);
         }
         return new ResultEntity<>(HttpStatus.OK, "删除成功");
@@ -153,7 +197,7 @@ public class CourseTagManageController {
     @AnonymousAccess
     @ApiOperation("二级目录重新排序")
     @PostMapping("setTwoCatalogueRank")
-    public ResultEntity setTwoCatalogueRank(@ApiParam("一级ID（可为空），二级ID和sort必传")@RequestBody List<SysTwoCatalog> sysTwoCatalogs) {
+    public ResultEntity setTwoCatalogueRank(@ApiParam("一级ID（可为空），二级ID和sort必传") @RequestBody List<SysTwoCatalog> sysTwoCatalogs) {
         for (SysTwoCatalog sysTwoCatalog : sysTwoCatalogs) {
             if (StringUtils.isBlank(sysTwoCatalog.getTwoId())
                     || sysTwoCatalog.getSort() == null) {
@@ -168,7 +212,7 @@ public class CourseTagManageController {
     @AnonymousAccess
     @ApiOperation("三级目录重新排序")
     @PostMapping("setThreeCatalogueRank")
-    public ResultEntity setThreeCatalogueRank(@ApiParam("需要一级（可为空）二级（可为空），三级ID和sort必传")@RequestBody List<SysThreeCatalog> sysThreeCatalogs) {
+    public ResultEntity setThreeCatalogueRank(@ApiParam("需要一级（可为空）二级（可为空），三级ID和sort必传") @RequestBody List<SysThreeCatalog> sysThreeCatalogs) {
         for (SysThreeCatalog sysThreeCatalog : sysThreeCatalogs) {
             if (StringUtils.isBlank(sysThreeCatalog.getThreeId()) || sysThreeCatalog.getSort() == null) {
                 return new ResultEntity<>(HttpStatus.BAD_REQUEST, "更新失败，缺少必须的数据！");
diff --git a/src/main/java/com/sztzjy/resource_center/controller/api/ResourceApi.java b/src/main/java/com/sztzjy/resource_center/controller/api/ResourceApi.java
index ecb7c2a..ab8fccb 100644
--- a/src/main/java/com/sztzjy/resource_center/controller/api/ResourceApi.java
+++ b/src/main/java/com/sztzjy/resource_center/controller/api/ResourceApi.java
@@ -77,7 +77,8 @@ public class ResourceApi {
         //判断文件type   //todo 格式可能不够全
         if (extension.equals(".pdf") || extension.equals(".ppt") || extension.equals(".pptx")
                 || extension.equals(".xlsx") || extension.equals(".xls")
-                || extension.equals(".doc") || extension.equals(".docx")) {
+                || extension.equals(".doc") || extension.equals(".docx")
+                || extension.equals(".txt")) {
             sysResource.setResourceType("课件");
         } else if (extension.equals(".mp4") || extension.equals(".wmv") || extension.equals(".avi")) {
             sysResource.setResourceType("视频");
diff --git a/src/main/java/com/sztzjy/resource_center/mapper/SysResourceAndCourseMapper.java b/src/main/java/com/sztzjy/resource_center/mapper/SysResourceAndCourseMapper.java
index 8423a8a..136fcd8 100644
--- a/src/main/java/com/sztzjy/resource_center/mapper/SysResourceAndCourseMapper.java
+++ b/src/main/java/com/sztzjy/resource_center/mapper/SysResourceAndCourseMapper.java
@@ -2,10 +2,11 @@ package com.sztzjy.resource_center.mapper;
 
 import com.sztzjy.resource_center.entity.SysResourceAndCourse;
 import com.sztzjy.resource_center.entity.SysResourceAndCourseExample;
-import java.util.List;
-
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Param;
+
+import java.util.List;
+
 @Mapper
 public interface SysResourceAndCourseMapper {
     long countByExample(SysResourceAndCourseExample example);
@@ -38,4 +39,7 @@ public interface SysResourceAndCourseMapper {
 
     void batchInsert(@Param("resourceAndCourses") List<SysResourceAndCourse> resourceAndCourses);
 
+    void batchUpdateTwoName(@Param("idList") List<String> ids, @Param("twoName") String twoName);
+
+    void batchUpdateThreeName(@Param("idList") List<String> ids, @Param("threeName") String threeName);
 }
\ No newline at end of file
diff --git a/src/main/java/com/sztzjy/resource_center/mapper/SysResourceMapper.java b/src/main/java/com/sztzjy/resource_center/mapper/SysResourceMapper.java
index 72b14a3..ab20183 100644
--- a/src/main/java/com/sztzjy/resource_center/mapper/SysResourceMapper.java
+++ b/src/main/java/com/sztzjy/resource_center/mapper/SysResourceMapper.java
@@ -47,6 +47,6 @@ public interface SysResourceMapper {
 
     List<Map<String, Object>> getCountByType(@Param("list") List<String> ids, @Param("schoolId") String schoolId);
 
-    @Select("SELECT resource_name FROM `sys_resource` ORDER BY count desc")
+    @Select("SELECT resource_name FROM `sys_resource` ORDER BY count desc limit 1")
     String getMostPopularName();
 }
\ No newline at end of file
diff --git a/src/main/java/com/sztzjy/resource_center/mapper/SysTopicAndCourseMapper.java b/src/main/java/com/sztzjy/resource_center/mapper/SysTopicAndCourseMapper.java
index 6174ada..648d0ef 100644
--- a/src/main/java/com/sztzjy/resource_center/mapper/SysTopicAndCourseMapper.java
+++ b/src/main/java/com/sztzjy/resource_center/mapper/SysTopicAndCourseMapper.java
@@ -34,4 +34,10 @@ public interface SysTopicAndCourseMapper {
     void batchInsert(@Param("list") List<SysTopicAndCourse> list);
 
     void batchDelete(@Param("list") List<SysTopicAndCourse> sysTopicAndCourses);
+
+    void batchUpdateTwoName(@Param("idList") List<String> ids,
+                            @Param("twoName") String twoName);
+
+    void batchUpdateThreeName(@Param("idList") List<String> ids,
+                              @Param("threeName") String threeName);
 }
\ No newline at end of file
diff --git a/src/main/resources/application-dev.yml b/src/main/resources/application-dev.yml
index ddfc691..82f8b7b 100644
--- a/src/main/resources/application-dev.yml
+++ b/src/main/resources/application-dev.yml
@@ -11,8 +11,8 @@ spring:
 # 文件存储
 file:
   type: local
-  path: /usr/local/tianzeProject/resourceCenter/uploadFile
-#  path: D:/home
+#  path: /usr/local/tianzeProject/resourceCenter/uploadFile
+  path: D:/home
 timer:
   enable: false
 
diff --git a/src/main/resources/mapper/SysResourceAndCourseMapper.xml b/src/main/resources/mapper/SysResourceAndCourseMapper.xml
index 9703e43..e0e93b9 100644
--- a/src/main/resources/mapper/SysResourceAndCourseMapper.xml
+++ b/src/main/resources/mapper/SysResourceAndCourseMapper.xml
@@ -289,4 +289,23 @@
         </foreach>
     </insert>
 
+    <!-- 批量修改 -->
+    <update id="batchUpdateTwoName" >
+        UPDATE sys_resource_and_course
+        SET two_name = #{twoName}
+        WHERE id IN
+        <foreach collection="idList" item="id" open="(" separator="," close=")">
+            #{id}
+        </foreach>
+    </update>
+
+    <!-- 批量修改 -->
+    <update id="batchUpdateThreeName" >
+        UPDATE sys_resource_and_course
+        SET three_name = #{threeName}
+        WHERE id IN
+        <foreach collection="idList" item="id" open="(" separator="," close=")">
+            #{id}
+        </foreach>
+    </update>
 </mapper>
\ No newline at end of file
diff --git a/src/main/resources/mapper/SysTopicAndCourseMapper.xml b/src/main/resources/mapper/SysTopicAndCourseMapper.xml
index 46ce5a4..78baacf 100644
--- a/src/main/resources/mapper/SysTopicAndCourseMapper.xml
+++ b/src/main/resources/mapper/SysTopicAndCourseMapper.xml
@@ -307,4 +307,25 @@
             AND three_id = #{item.threeId}
         </foreach>
     </delete>
+
+    <!-- 批量修改二级名称 -->
+    <update id="batchUpdateTwoName" >
+        UPDATE sys_topic_and_course
+        SET two_name = #{twoName}
+        WHERE id IN
+        <foreach collection="idList" item="id" open="(" separator="," close=")">
+            #{id}
+        </foreach>
+    </update>
+
+
+    <!-- 批量修改三级名称-->
+    <update id="batchUpdateThreeName" >
+        UPDATE sys_topic_and_course
+        SET three_name = #{threeName}
+        WHERE id IN
+        <foreach collection="idList" item="id" open="(" separator="," close=")">
+            #{id}
+        </foreach>
+    </update>
 </mapper>
\ No newline at end of file