diff --git a/src/main/java/com/guwan/backend/constant/SecurityConstants.java b/src/main/java/com/guwan/backend/constant/SecurityConstants.java
index a37aedd..31c57fb 100644
--- a/src/main/java/com/guwan/backend/constant/SecurityConstants.java
+++ b/src/main/java/com/guwan/backend/constant/SecurityConstants.java
@@ -17,7 +17,6 @@ public class SecurityConstants {
             "/bs/user/register",
             "/bs/user/getEmailCode",
             "/bs/user/getPhoneCode",
-
             "/bs/user/verifyFace",
 
             "/challenge",
diff --git a/src/main/java/com/guwan/backend/controller/CategotyController.java b/src/main/java/com/guwan/backend/controller/CategotyController.java
new file mode 100644
index 0000000..7c4a9d9
--- /dev/null
+++ b/src/main/java/com/guwan/backend/controller/CategotyController.java
@@ -0,0 +1,30 @@
+package com.guwan.backend.controller;
+
+import com.guwan.backend.common.Result;
+
+
+import com.guwan.backend.service.BSCategoryService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+@Slf4j
+@RestController
+@RequestMapping("/category")
+@RequiredArgsConstructor
+public class CategotyController {
+    
+    private final BSCategoryService categoryService;
+
+    @GetMapping("/getAll")
+    public Result getAllCategory() {
+        try {
+            return Result.success(categoryService.list());
+        } catch (Exception e) {
+            log.error("Failed to get categories", e);
+            return Result.error("Failed to get categories");
+        }
+    }
+
+}
diff --git a/src/main/java/com/guwan/backend/controller/CommonController.java b/src/main/java/com/guwan/backend/controller/CommonController.java
index a63db01..5f9bbc0 100644
--- a/src/main/java/com/guwan/backend/controller/CommonController.java
+++ b/src/main/java/com/guwan/backend/controller/CommonController.java
@@ -55,26 +55,17 @@ import java.util.regex.Pattern;
 public class CommonController {
 
     private final MinioUtil minioUtil;
-
     private final VoiceServiceClient voiceServiceClient;
     private final SimpleTTSClient simpleTTSClient;
-
     private final MinioClient minioClient;
-
-
-
-
    //private final BookContentService bookContentService;
-
     private final MongodbUserService mongodbUserService;
-
     private final EveryReadDetailOfMongodbService everyReadDetailOfMongodbService;
     private final QwenChatModel qwenChatModel;
     private final QwenStreamingChatModel qwenStreamingChatModel;
-
     private final TestDateRepository testDateRepository;
-
     private final TestDateDao testDateDao;
+
     @PostMapping("/uploadFile")
     public Result<String> uploadFile(String bucketName, MultipartFile file){
         return Result.success(minioUtil.getUrl(minioUtil.getFileUrl
diff --git a/src/main/java/com/guwan/backend/controller/CourseController.java b/src/main/java/com/guwan/backend/controller/CourseController.java
index 809b724..010f4c1 100644
--- a/src/main/java/com/guwan/backend/controller/CourseController.java
+++ b/src/main/java/com/guwan/backend/controller/CourseController.java
@@ -5,16 +5,22 @@ package com.guwan.backend.controller;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.guwan.backend.common.Result;
+import com.guwan.backend.common.SearchResult;
 import com.guwan.backend.pojo.dto.BSCategory;
 import com.guwan.backend.pojo.entity.Course;
+import com.guwan.backend.pojo.entity.Teacher;
+import com.guwan.backend.pojo.response.CourseByAdminVO;
 import com.guwan.backend.pojo.response.courseDetail.CourseDetailVO;
 import com.guwan.backend.service.BSCategoryService;
 import com.guwan.backend.service.CourseService;
+import com.guwan.backend.service.TeacherService;
 import lombok.RequiredArgsConstructor;
 
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.BeanUtils;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.List;
 import java.util.stream.Collectors;
 
 /**
@@ -36,12 +42,10 @@ public class CourseController {
 
     private final BSCategoryService categoryService;
 
+    private final TeacherService teacherService;
+
     /**
      * 分页查询
-     *
-     * @param courses 筛选条件
-     * @param pageRequest      分页对象
-     * @return 查询结果
      */
     @GetMapping("/queryByPage")
     public Result queryByPage(@RequestParam("page") Integer pageNumber,
@@ -57,7 +61,7 @@ public class CourseController {
                 .peek(course -> {
                     course.setCategoryName(categoryService.list()
                             .stream()
-                            .collect(Collectors.toMap(BSCategory::getId, BSCategory::getName))
+                            .collect(Collectors.toMap(BSCategory::getId, BSCategory::getChineseName))
                             .get(course.getCategoryId())); // 赋值类别名称
                 })
                 .toList());
@@ -120,5 +124,40 @@ public class CourseController {
         return Result.success(this.courseService.removeById(id));
     }
 
+
+    @GetMapping("/listByAdmin")
+    public SearchResult listByAdmin(@RequestParam("page") Integer pageNumber,
+                              @RequestParam("size") Integer size,
+                              @RequestParam(required = false) String courseName) {
+        Page<Course> page = new Page<>(pageNumber, size);
+
+        LambdaQueryWrapper<Course> lambdaQueryWrapper = new LambdaQueryWrapper<>();
+
+        Page<Course> resultPage = this.courseService.page(page, lambdaQueryWrapper);
+
+        List<CourseByAdminVO> courseByAdminVOS = resultPage.getRecords().stream().map(
+                course -> {
+
+                    CourseByAdminVO courseByAdminVO = new CourseByAdminVO();
+
+                    course.setCategoryName(categoryService.list()
+                            .stream()
+                            .collect(Collectors.toMap(BSCategory::getId, BSCategory::getChineseName))
+                            .get(course.getCategoryId())); // 赋值类别名称
+
+                    BeanUtils.copyProperties(course, courseByAdminVO);
+
+                    courseByAdminVO.setTeacherName(teacherService.list()
+                            .stream()
+                            .collect(Collectors.toMap(Teacher::getId, Teacher::getName))
+                            .get(course.getTeacherId()));//赋值教师名称
+
+                    return courseByAdminVO;
+                }
+        ).toList();
+
+       return SearchResult.success(courseByAdminVOS, resultPage.getTotal());
+    }
+
 }
 
diff --git a/src/main/java/com/guwan/backend/controller/CourseLevelController.java b/src/main/java/com/guwan/backend/controller/CourseLevelController.java
new file mode 100644
index 0000000..1a2d5bd
--- /dev/null
+++ b/src/main/java/com/guwan/backend/controller/CourseLevelController.java
@@ -0,0 +1,29 @@
+package com.guwan.backend.controller;
+
+import com.guwan.backend.common.Result;
+import com.guwan.backend.pojo.entity.CourseLevel;
+import com.guwan.backend.service.CourseLevelService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.*;
+import java.util.List;
+
+@Slf4j
+@RestController
+@RequestMapping("/course/level")
+@RequiredArgsConstructor
+public class CourseLevelController {
+    /**
+     * 服务对象
+     */
+
+    private final CourseLevelService courseLevelService;
+
+    @GetMapping("/getAll")
+    public Result getAll() {
+        List<CourseLevel> courseLevelslist = courseLevelService.list();
+        return Result.success(courseLevelslist);
+    }
+
+}
+
diff --git a/src/main/java/com/guwan/backend/controller/CourseTypeController.java b/src/main/java/com/guwan/backend/controller/CourseTypeController.java
new file mode 100644
index 0000000..6940875
--- /dev/null
+++ b/src/main/java/com/guwan/backend/controller/CourseTypeController.java
@@ -0,0 +1,41 @@
+package com.guwan.backend.controller;
+
+
+import com.guwan.backend.common.Result;
+import com.guwan.backend.pojo.entity.CourseLevel;
+import com.guwan.backend.pojo.entity.CourseType;
+import com.guwan.backend.service.CourseLevelService;
+import com.guwan.backend.service.CourseTypeService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+/**
+ * 课程表(Courses)表控制层
+ *
+ * @author Guwan
+ * @since 2025-03-13 22:47:31
+ */
+@Slf4j
+@RestController
+@RequestMapping("/course/type")
+@RequiredArgsConstructor
+public class CourseTypeController {
+    /**
+     * 服务对象
+     */
+
+    private final CourseTypeService courseTypeService;
+
+    @GetMapping("/getAll")
+    public Result getAll() {
+        List<CourseType> courseLevelslist = courseTypeService.list();
+        return Result.success(courseLevelslist);
+    }
+
+}
+
diff --git a/src/main/java/com/guwan/backend/controller/TeacherController.java b/src/main/java/com/guwan/backend/controller/TeacherController.java
new file mode 100644
index 0000000..07f9a2b
--- /dev/null
+++ b/src/main/java/com/guwan/backend/controller/TeacherController.java
@@ -0,0 +1,30 @@
+package com.guwan.backend.controller;
+
+
+import com.guwan.backend.common.Result;
+import com.guwan.backend.pojo.entity.Teacher;
+import com.guwan.backend.service.TeacherService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@Slf4j
+@RestController
+@RequestMapping("/teacher")
+@RequiredArgsConstructor
+public class TeacherController {
+
+    private final TeacherService teacherService;
+
+    @GetMapping("/getAll")
+    public Result getAll() {
+        List<Teacher> courseLevelslist = teacherService.list();
+        return Result.success(courseLevelslist);
+    }
+
+}
+
diff --git a/src/main/java/com/guwan/backend/controller/TestCase.java b/src/main/java/com/guwan/backend/controller/TestCase.java
deleted file mode 100644
index 4886d89..0000000
--- a/src/main/java/com/guwan/backend/controller/TestCase.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package com.guwan.backend.controller;
-
-// 测试用例类
-class TestCase {
-    String input;          // 输入数据
-    String expectedOutput; // 预期输出
-    int timeoutSeconds = 2;// 超时时间
-
-    public TestCase(String input, String expectedOutput) {
-        this.input = input;
-        this.expectedOutput = expectedOutput;
-    }
-}
\ No newline at end of file
diff --git a/src/main/java/com/guwan/backend/factory/SectionVOFactory.java b/src/main/java/com/guwan/backend/factory/SectionVOFactory.java
index 19d8563..889a781 100644
--- a/src/main/java/com/guwan/backend/factory/SectionVOFactory.java
+++ b/src/main/java/com/guwan/backend/factory/SectionVOFactory.java
@@ -5,6 +5,7 @@ import com.guwan.backend.mapper.SlideMapper;
 import com.guwan.backend.pojo.entity.Section;
 import com.guwan.backend.pojo.entity.Slide;
 import com.guwan.backend.pojo.response.courseDetail.*;
+import com.guwan.backend.util.KKviewUrlUtil;
 import lombok.RequiredArgsConstructor;
 import org.springframework.beans.BeanUtils;
 import org.springframework.stereotype.Component;
@@ -52,6 +53,8 @@ public class SectionVOFactory {
                         .collect(Collectors.toList());
 
                 ppt.setSlides(slideVOS);
+                ppt.setDownUrl(section.getUrl());
+                ppt.setPreViewUrl(KKviewUrlUtil.toKKViewUrl(section.getUrl()));
                 return ppt;
             default:
                 throw new IllegalArgumentException("Unsupported type: " + section.getType());
diff --git a/src/main/java/com/guwan/backend/mapper/CourseLevelMapper.java b/src/main/java/com/guwan/backend/mapper/CourseLevelMapper.java
new file mode 100644
index 0000000..345ddf8
--- /dev/null
+++ b/src/main/java/com/guwan/backend/mapper/CourseLevelMapper.java
@@ -0,0 +1,18 @@
+package com.guwan.backend.mapper;
+
+import com.guwan.backend.pojo.entity.CourseLevel;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+
+/**
+* @author 12455
+* @description 针对表【course_level】的数据库操作Mapper
+* @createDate 2025-05-11 13:56:43
+* @Entity com.guwan.backend.pojo.entity.CourseLevel
+*/
+public interface CourseLevelMapper extends BaseMapper<CourseLevel> {
+
+}
+
+
+
+
diff --git a/src/main/java/com/guwan/backend/mapper/CourseTypeMapper.java b/src/main/java/com/guwan/backend/mapper/CourseTypeMapper.java
new file mode 100644
index 0000000..10affc7
--- /dev/null
+++ b/src/main/java/com/guwan/backend/mapper/CourseTypeMapper.java
@@ -0,0 +1,18 @@
+package com.guwan.backend.mapper;
+
+import com.guwan.backend.pojo.entity.CourseType;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+
+/**
+* @author 12455
+* @description 针对表【course_type】的数据库操作Mapper
+* @createDate 2025-05-11 14:43:17
+* @Entity com.guwan.backend.pojo.entity.CourseType
+*/
+public interface CourseTypeMapper extends BaseMapper<CourseType> {
+
+}
+
+
+
+
diff --git a/src/main/java/com/guwan/backend/pojo/dto/BSCategory.java b/src/main/java/com/guwan/backend/pojo/dto/BSCategory.java
index 750af14..6f1edb5 100644
--- a/src/main/java/com/guwan/backend/pojo/dto/BSCategory.java
+++ b/src/main/java/com/guwan/backend/pojo/dto/BSCategory.java
@@ -23,7 +23,9 @@ public class BSCategory implements Serializable {
     /**
      * 种类名称
      */
-    private String name;
+    private String chineseName;
+
+    private String englishName;
 
     @TableField(exist = false)
     private static final long serialVersionUID = 1L;
diff --git a/src/main/java/com/guwan/backend/pojo/entity/Course.java b/src/main/java/com/guwan/backend/pojo/entity/Course.java
index f5cebb4..6cb24ba 100644
--- a/src/main/java/com/guwan/backend/pojo/entity/Course.java
+++ b/src/main/java/com/guwan/backend/pojo/entity/Course.java
@@ -37,6 +37,10 @@ public class Course implements Serializable {
      */
     private String categoryId;
 
+    private String levelId;
+
+    private String typeId;
+
     /**
      * 分类名称
      */
diff --git a/src/main/java/com/guwan/backend/pojo/entity/CourseLevel.java b/src/main/java/com/guwan/backend/pojo/entity/CourseLevel.java
new file mode 100644
index 0000000..a0a833f
--- /dev/null
+++ b/src/main/java/com/guwan/backend/pojo/entity/CourseLevel.java
@@ -0,0 +1,27 @@
+package com.guwan.backend.pojo.entity;
+
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+
+/**
+ * 
+ * @TableName course_level
+ */
+@TableName(value ="course_level")
+@Data
+public class CourseLevel {
+    /**
+     * 课程级别id
+     */
+    private String id;
+
+    /**
+     * 难度中文名
+     */
+    private String chineseName;
+
+    /**
+     * 难度英文名
+     */
+    private String englishName;
+}
\ No newline at end of file
diff --git a/src/main/java/com/guwan/backend/pojo/entity/CourseType.java b/src/main/java/com/guwan/backend/pojo/entity/CourseType.java
new file mode 100644
index 0000000..2a242d6
--- /dev/null
+++ b/src/main/java/com/guwan/backend/pojo/entity/CourseType.java
@@ -0,0 +1,29 @@
+package com.guwan.backend.pojo.entity;
+
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+
+/**
+ * 
+ * @TableName course_type
+ */
+@TableName(value ="course_type")
+@Data
+public class CourseType {
+    /**
+     * 课程类别（例:全部、入门等）
+     */
+    @TableId
+    private String id;
+
+    /**
+     * 
+     */
+    private String chineseName;
+
+    /**
+     * 
+     */
+    private String englishName;
+}
\ No newline at end of file
diff --git a/src/main/java/com/guwan/backend/pojo/response/CourseByAdminVO.java b/src/main/java/com/guwan/backend/pojo/response/CourseByAdminVO.java
new file mode 100644
index 0000000..29200fe
--- /dev/null
+++ b/src/main/java/com/guwan/backend/pojo/response/CourseByAdminVO.java
@@ -0,0 +1,21 @@
+package com.guwan.backend.pojo.response;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.math.BigDecimal;
+import java.util.Date;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class CourseByAdminVO {
+    private String id;
+    private String title;
+    private String categoryName;
+    private BigDecimal price;
+    private String teacherName;
+    private BigDecimal rating;
+    private Date createdAt;
+}
diff --git a/src/main/java/com/guwan/backend/pojo/response/courseDetail/CourseDetailVO.java b/src/main/java/com/guwan/backend/pojo/response/courseDetail/CourseDetailVO.java
index 8ef7ac1..b97d9b5 100644
--- a/src/main/java/com/guwan/backend/pojo/response/courseDetail/CourseDetailVO.java
+++ b/src/main/java/com/guwan/backend/pojo/response/courseDetail/CourseDetailVO.java
@@ -24,6 +24,10 @@ public class CourseDetailVO {
 
     private String teacherAvatar;
 
+    private String levelName;
+
+    private String typeName;
+
     private Double price;
 
     private Double rating;
diff --git a/src/main/java/com/guwan/backend/pojo/response/courseDetail/PptSectionVO.java b/src/main/java/com/guwan/backend/pojo/response/courseDetail/PptSectionVO.java
index 72c928d..9ab7a5e 100644
--- a/src/main/java/com/guwan/backend/pojo/response/courseDetail/PptSectionVO.java
+++ b/src/main/java/com/guwan/backend/pojo/response/courseDetail/PptSectionVO.java
@@ -10,6 +10,8 @@ import java.util.List;
 @ToString(callSuper = true)
 @EqualsAndHashCode(callSuper = true)
 public class PptSectionVO extends BaseSectionVO {
+    private String downUrl;
+    private String preViewUrl;
     private List<SlideVO> slides;
 }
 
diff --git a/src/main/java/com/guwan/backend/service/CourseLevelService.java b/src/main/java/com/guwan/backend/service/CourseLevelService.java
new file mode 100644
index 0000000..7ec7202
--- /dev/null
+++ b/src/main/java/com/guwan/backend/service/CourseLevelService.java
@@ -0,0 +1,13 @@
+package com.guwan.backend.service;
+
+import com.guwan.backend.pojo.entity.CourseLevel;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+/**
+* @author 12455
+* @description 针对表【course_level】的数据库操作Service
+* @createDate 2025-05-11 13:56:43
+*/
+public interface CourseLevelService extends IService<CourseLevel> {
+
+}
diff --git a/src/main/java/com/guwan/backend/service/CourseTypeService.java b/src/main/java/com/guwan/backend/service/CourseTypeService.java
new file mode 100644
index 0000000..cc92988
--- /dev/null
+++ b/src/main/java/com/guwan/backend/service/CourseTypeService.java
@@ -0,0 +1,13 @@
+package com.guwan.backend.service;
+
+import com.guwan.backend.pojo.entity.CourseType;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+/**
+* @author 12455
+* @description 针对表【course_type】的数据库操作Service
+* @createDate 2025-05-11 14:43:17
+*/
+public interface CourseTypeService extends IService<CourseType> {
+
+}
diff --git a/src/main/java/com/guwan/backend/service/impl/CourseLevelServiceImpl.java b/src/main/java/com/guwan/backend/service/impl/CourseLevelServiceImpl.java
new file mode 100644
index 0000000..f622b5a
--- /dev/null
+++ b/src/main/java/com/guwan/backend/service/impl/CourseLevelServiceImpl.java
@@ -0,0 +1,22 @@
+package com.guwan.backend.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.guwan.backend.mapper.CourseLevelMapper;
+import com.guwan.backend.pojo.entity.CourseLevel;
+import com.guwan.backend.service.CourseLevelService;
+import org.springframework.stereotype.Service;
+
+/**
+* @author 12455
+* @description 针对表【course_level】的数据库操作Service实现
+* @createDate 2025-05-11 13:56:43
+*/
+@Service
+public class CourseLevelServiceImpl extends ServiceImpl<CourseLevelMapper, CourseLevel>
+    implements CourseLevelService {
+
+}
+
+
+
+
diff --git a/src/main/java/com/guwan/backend/service/impl/CourseServiceImpl.java b/src/main/java/com/guwan/backend/service/impl/CourseServiceImpl.java
index efd2278..9345b7f 100644
--- a/src/main/java/com/guwan/backend/service/impl/CourseServiceImpl.java
+++ b/src/main/java/com/guwan/backend/service/impl/CourseServiceImpl.java
@@ -4,6 +4,7 @@ import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.guwan.backend.factory.SectionVOFactory;
 import com.guwan.backend.mapper.*;
+import com.guwan.backend.mapper.CourseTypeMapper;
 import com.guwan.backend.pojo.entity.*;
 import com.guwan.backend.pojo.response.courseDetail.BaseSectionVO;
 import com.guwan.backend.pojo.response.courseDetail.ChapterVO;
@@ -44,6 +45,10 @@ public class CourseServiceImpl extends ServiceImpl<CourseMapper, Course>
 
     private final UserMapper userMapper;
 
+    private final CourseLevelMapper courseLevelMapper;
+
+    private final CourseTypeMapper courseTypeMapper;
+
     private static final Map<String, Integer> courseStudentCounts = new ConcurrentHashMap<>();
 
     @Override
@@ -61,6 +66,8 @@ public class CourseServiceImpl extends ServiceImpl<CourseMapper, Course>
         CourseDetailVO courseDetailVO = new CourseDetailVO();
         courseDetailVO.setTitle(course.getTitle());
         courseDetailVO.setDescription(course.getDescription());
+        courseDetailVO.setLevelName(courseLevelMapper.selectById(course.getLevelId()).getChineseName());
+        courseDetailVO.setTypeName(courseTypeMapper.selectById(course.getTypeId()).getChineseName());
 
 // Course(id=1, title=黑马程序员匠心之作|C++教程从0到1入门编程, description=null, categoryId=2, categoryName=null, teacherId=1, coverImg=http://localhost:9000/photo/cover/c315f738-71aa-4329-8c7c-9092284c33c3.png, price=0.00, coursrTeacherId=null, rating=0.0, ratingCount=null, studentCount=0, videoCount=null, documentCount=null, totalDuration=null, createdAt=null, updatedAt=null)
         var teacherId = course.getTeacherId();
diff --git a/src/main/java/com/guwan/backend/service/impl/CourseTypeServiceImpl.java b/src/main/java/com/guwan/backend/service/impl/CourseTypeServiceImpl.java
new file mode 100644
index 0000000..7de2ce5
--- /dev/null
+++ b/src/main/java/com/guwan/backend/service/impl/CourseTypeServiceImpl.java
@@ -0,0 +1,23 @@
+package com.guwan.backend.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.guwan.backend.mapper.CourseTypeMapper;
+import com.guwan.backend.pojo.entity.CourseType;
+
+import com.guwan.backend.service.CourseTypeService;
+import org.springframework.stereotype.Service;
+
+/**
+* @author 12455
+* @description 针对表【course_type】的数据库操作Service实现
+* @createDate 2025-05-11 14:43:17
+*/
+@Service
+public class CourseTypeServiceImpl extends ServiceImpl<CourseTypeMapper, CourseType>
+    implements CourseTypeService {
+
+}
+
+
+
+
diff --git a/src/main/resources/mapper/BSCategoryMapper.xml b/src/main/resources/mapper/BSCategoryMapper.xml
deleted file mode 100644
index 5d3090e..0000000
--- a/src/main/resources/mapper/BSCategoryMapper.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE mapper
-        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
-        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
-<mapper namespace="com.guwan.backend.mapper.BSCategoryMapper">
-
-    <resultMap id="BaseResultMap" type="com.guwan.backend.pojo.dto.BSCategory">
-            <id property="id" column="id" jdbcType="VARCHAR"/>
-            <result property="name" column="name" jdbcType="VARCHAR"/>
-    </resultMap>
-
-    <sql id="Base_Column_List">
-        id,name
-    </sql>
-</mapper>
diff --git a/src/main/resources/mapper/CourseLevelMapper.xml b/src/main/resources/mapper/CourseLevelMapper.xml
new file mode 100644
index 0000000..815f591
--- /dev/null
+++ b/src/main/resources/mapper/CourseLevelMapper.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.guwan.backend.mapper.CourseLevelMapper">
+
+    <resultMap id="BaseResultMap" type="com.guwan.backend.pojo.entity.CourseLevel">
+            <result property="id" column="id" jdbcType="VARCHAR"/>
+            <result property="chineseName" column="chinese_name" jdbcType="VARCHAR"/>
+            <result property="englishName" column="english_name" jdbcType="VARCHAR"/>
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        id,chinese_name,english_name
+    </sql>
+</mapper>
diff --git a/src/main/resources/mapper/CourseTypeMapper.xml b/src/main/resources/mapper/CourseTypeMapper.xml
new file mode 100644
index 0000000..3f034a5
--- /dev/null
+++ b/src/main/resources/mapper/CourseTypeMapper.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.guwan.backend.mapper.CourseTypeMapper">
+
+    <resultMap id="BaseResultMap" type="com.guwan.backend.pojo.entity.CourseType">
+            <id property="id" column="id" jdbcType="VARCHAR"/>
+            <result property="chineseName" column="chinese_name" jdbcType="VARCHAR"/>
+            <result property="englishName" column="english_name" jdbcType="VARCHAR"/>
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        id,chinese_name,english_name
+    </sql>
+</mapper>