diff --git a/src/main/java/com/qingqiu/interview/entity/QuestionCategory.java b/src/main/java/com/qingqiu/interview/entity/QuestionCategory.java
new file mode 100644
index 0000000..f0cfcb9
--- /dev/null
+++ b/src/main/java/com/qingqiu/interview/entity/QuestionCategory.java
@@ -0,0 +1,48 @@
+package com.qingqiu.interview.entity;
+
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import java.time.LocalDateTime;
+import java.io.Serializable;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.experimental.Accessors;
+
+/**
+ * <p>
+ * 题型分类
+ * </p>
+ *
+ * @author huangpeng
+ * @since 2025-09-08
+ */
+@Data
+@EqualsAndHashCode(callSuper = false)
+@Accessors(chain = true)
+@TableName("question_category")
+public class QuestionCategory implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @TableId(value = "id", type = IdType.AUTO)
+    private Long id;
+
+    /**
+     * 名称
+     */
+    private String name;
+
+    /**
+     * 排序
+     */
+    private Integer sort;
+
+    private LocalDateTime createdTime;
+
+    private LocalDateTime updatedTime;
+
+    private Integer deleted;
+
+
+}
diff --git a/src/main/java/com/qingqiu/interview/mapper/QuestionCategoryMapper.java b/src/main/java/com/qingqiu/interview/mapper/QuestionCategoryMapper.java
new file mode 100644
index 0000000..a00648e
--- /dev/null
+++ b/src/main/java/com/qingqiu/interview/mapper/QuestionCategoryMapper.java
@@ -0,0 +1,16 @@
+package com.qingqiu.interview.mapper;
+
+import com.qingqiu.interview.entity.QuestionCategory;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+
+/**
+ * <p>
+ * 题型分类 Mapper 接口
+ * </p>
+ *
+ * @author huangpeng
+ * @since 2025-09-08
+ */
+public interface QuestionCategoryMapper extends BaseMapper<QuestionCategory> {
+
+}
diff --git a/src/main/java/com/qingqiu/interview/service/IQuestionCategoryService.java b/src/main/java/com/qingqiu/interview/service/IQuestionCategoryService.java
new file mode 100644
index 0000000..3ae0a68
--- /dev/null
+++ b/src/main/java/com/qingqiu/interview/service/IQuestionCategoryService.java
@@ -0,0 +1,16 @@
+package com.qingqiu.interview.service;
+
+import com.qingqiu.interview.entity.QuestionCategory;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+/**
+ * <p>
+ * 题型分类 服务类
+ * </p>
+ *
+ * @author huangpeng
+ * @since 2025-09-08
+ */
+public interface IQuestionCategoryService extends IService<QuestionCategory> {
+
+}
diff --git a/src/main/java/com/qingqiu/interview/service/impl/QuestionCategoryServiceImpl.java b/src/main/java/com/qingqiu/interview/service/impl/QuestionCategoryServiceImpl.java
new file mode 100644
index 0000000..cd5fcf0
--- /dev/null
+++ b/src/main/java/com/qingqiu/interview/service/impl/QuestionCategoryServiceImpl.java
@@ -0,0 +1,20 @@
+package com.qingqiu.interview.service.impl;
+
+import com.qingqiu.interview.entity.QuestionCategory;
+import com.qingqiu.interview.mapper.QuestionCategoryMapper;
+import com.qingqiu.interview.service.IQuestionCategoryService;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import org.springframework.stereotype.Service;
+
+/**
+ * <p>
+ * 题型分类 服务实现类
+ * </p>
+ *
+ * @author huangpeng
+ * @since 2025-09-08
+ */
+@Service
+public class QuestionCategoryServiceImpl extends ServiceImpl<QuestionCategoryMapper, QuestionCategory> implements IQuestionCategoryService {
+
+}
diff --git a/src/main/resources/mapper/QuestionCategoryMapper.xml b/src/main/resources/mapper/QuestionCategoryMapper.xml
new file mode 100644
index 0000000..972cbf7
--- /dev/null
+++ b/src/main/resources/mapper/QuestionCategoryMapper.xml
@@ -0,0 +1,5 @@
+<?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.qingqiu.interview.mapper.QuestionCategoryMapper">
+
+</mapper>