diff --git a/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/dataobject/student/StuPaperFileDO.java b/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/dataobject/student/StuPaperFileDO.java
new file mode 100644
index 00000000..fbec5417
--- /dev/null
+++ b/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/dataobject/student/StuPaperFileDO.java
@@ -0,0 +1,38 @@
+package pc.exam.pp.module.exam.dal.dataobject.student;
+
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.*;
+import pc.exam.pp.framework.tenant.core.db.TenantBaseDO;
+
+/**
+ * 学生-试卷-文件表 DO
+ *
+ * @author rwb
+ */
+@TableName("exam_stu_paper_fileurl")
+@Data
+@ToString(callSuper = true)
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class StuPaperFileDO extends TenantBaseDO {
+
+    /**
+     * Id
+     */
+    @TableId
+    private Long id;
+    /**
+     * 学生号
+     */
+    private Long stuId;
+    /**
+     * 试卷ID
+     */
+    private String paperId;
+    /**
+     * 学生文件URL
+     */
+    private String url;
+}
\ No newline at end of file
diff --git a/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/mysql/student/StuPaperFileMapper.java b/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/mysql/student/StuPaperFileMapper.java
new file mode 100644
index 00000000..f13a583a
--- /dev/null
+++ b/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/mysql/student/StuPaperFileMapper.java
@@ -0,0 +1,18 @@
+package pc.exam.pp.module.exam.dal.mysql.student;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+import pc.exam.pp.framework.mybatis.core.mapper.BaseMapperX;
+import pc.exam.pp.module.exam.dal.dataobject.student.StuPaperFileDO;
+
+/**
+ * 学生-试卷-文件 Mapper
+ *
+ * @author rwb
+ */
+@Mapper
+public interface StuPaperFileMapper extends BaseMapperX<StuPaperFileDO> {
+    StuPaperFileDO findByStuIdAndPaperId(@Param("stuId") Long stuId, @Param("paperId") String paperId);
+
+}
\ No newline at end of file
diff --git a/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/service/stu_paper_file/StuPaperFileService.java b/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/service/stu_paper_file/StuPaperFileService.java
new file mode 100644
index 00000000..4dc63a73
--- /dev/null
+++ b/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/service/stu_paper_file/StuPaperFileService.java
@@ -0,0 +1,24 @@
+package pc.exam.pp.module.exam.service.stu_paper_file;
+
+import jakarta.validation.Valid;
+import pc.exam.pp.framework.common.pojo.PageResult;
+import pc.exam.pp.module.exam.controller.admin.student.vo.StudentPageReqVO;
+import pc.exam.pp.module.exam.controller.admin.student.vo.StudentSaveReqVO;
+import pc.exam.pp.module.exam.dal.dataobject.student.StuPaperFileDO;
+import pc.exam.pp.module.exam.dal.dataobject.student.StudentDO;
+
+import java.util.List;
+
+/**
+ * 学生-试卷-文件 Service 接口
+ *
+ * @author rwb
+ */
+public interface StuPaperFileService {
+
+    StuPaperFileDO findByStuIDAndPaperId(Long stuID, String paperID);
+
+    void insertStuPaperFile(StuPaperFileDO stuPaperFileDO);
+
+    void updateStuPaperFile(StuPaperFileDO stuPaperFileDO);
+}
\ No newline at end of file
diff --git a/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/service/stu_paper_file/StuPaperFileServiceImpl.java b/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/service/stu_paper_file/StuPaperFileServiceImpl.java
new file mode 100644
index 00000000..3089ef9a
--- /dev/null
+++ b/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/service/stu_paper_file/StuPaperFileServiceImpl.java
@@ -0,0 +1,35 @@
+package pc.exam.pp.module.exam.service.stu_paper_file;
+
+import jakarta.annotation.Resource;
+import org.springframework.stereotype.Service;
+import org.springframework.validation.annotation.Validated;
+import pc.exam.pp.module.exam.dal.dataobject.student.StuPaperFileDO;
+import pc.exam.pp.module.exam.dal.mysql.student.StuPaperFileMapper;
+
+/**
+ * 学生-试卷-文件 Service 实现类
+ *
+ * @author rwb
+ */
+@Service
+@Validated
+public class StuPaperFileServiceImpl implements StuPaperFileService {
+
+    @Resource
+    private StuPaperFileMapper stuPaperFileMapper;
+
+    @Override
+    public StuPaperFileDO findByStuIDAndPaperId(Long stuID, String paperID) {
+        return stuPaperFileMapper.findByStuIdAndPaperId(stuID, paperID);
+    }
+
+    @Override
+    public void insertStuPaperFile(StuPaperFileDO stuPaperFileDO) {
+        stuPaperFileMapper.insert(stuPaperFileDO);
+    }
+
+    @Override
+    public void updateStuPaperFile(StuPaperFileDO stuPaperFileDO) {
+        stuPaperFileMapper.updateById(stuPaperFileDO);
+    }
+}
\ No newline at end of file
diff --git a/exam-module-exam/exam-module-exam-biz/src/main/resources/mapper/student/StuPaperFileMapper.xml b/exam-module-exam/exam-module-exam-biz/src/main/resources/mapper/student/StuPaperFileMapper.xml
new file mode 100644
index 00000000..0620ad05
--- /dev/null
+++ b/exam-module-exam/exam-module-exam-biz/src/main/resources/mapper/student/StuPaperFileMapper.xml
@@ -0,0 +1,15 @@
+<?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="pc.exam.pp.module.exam.dal.mysql.student.StuPaperFileMapper">
+
+    <!--
+        一般情况下，尽可能使用 Mapper 进行 CRUD 增删改查即可。
+        无法满足的场景，例如说多表关联查询，才使用 XML 编写 SQL。
+        代码生成器暂时只生成 Mapper XML 文件本身，更多推荐 MybatisX 快速开发插件来生成查询。
+        文档可见：https://www.iocoder.cn/MyBatis/x-plugins/
+     -->
+    <select id="findByStuIdAndPaperId" resultType="pc.exam.pp.module.exam.dal.dataobject.student.StuPaperFileDO">
+        SELECT * FROM exam_stu_paper_fileurl WHERE stu_id = #{stuId} AND paper_id = #{paperId}
+    </select>
+
+</mapper>
\ No newline at end of file
diff --git a/exam-module-infra/exam-module-infra-biz/pom.xml b/exam-module-infra/exam-module-infra-biz/pom.xml
index 874aeba2..871be7c9 100644
--- a/exam-module-infra/exam-module-infra-biz/pom.xml
+++ b/exam-module-infra/exam-module-infra-biz/pom.xml
@@ -124,6 +124,12 @@
             <groupId>org.apache.tika</groupId>
             <artifactId>tika-core</artifactId> <!-- 文件客户端：文件类型的识别 -->
         </dependency>
+        <dependency>
+            <groupId>pc.exam.gg</groupId>
+            <artifactId>exam-module-exam-biz</artifactId>
+            <version>2.4.2-SNAPSHOT</version>
+            <scope>compile</scope>
+        </dependency>
 
     </dependencies>
 
diff --git a/exam-module-infra/exam-module-infra-biz/src/main/java/pc/exam/pp/module/infra/controller/admin/file/FileController.java b/exam-module-infra/exam-module-infra-biz/src/main/java/pc/exam/pp/module/infra/controller/admin/file/FileController.java
index 6b7a0192..95da0b54 100644
--- a/exam-module-infra/exam-module-infra-biz/src/main/java/pc/exam/pp/module/infra/controller/admin/file/FileController.java
+++ b/exam-module-infra/exam-module-infra-biz/src/main/java/pc/exam/pp/module/infra/controller/admin/file/FileController.java
@@ -66,6 +66,14 @@ public class FileController {
         return success(true);
     }
 
+    @PostMapping("/upload_stu")
+    @Operation(summary = "上传学生考试文件", description = "模式三：后端上传文件，带有学生ID")
+    public CommonResult<String> uploadStuFile(StuFileUploadReqVO uploadReqVO) throws Exception {
+        MultipartFile file = uploadReqVO.getFile();
+        String path = uploadReqVO.getPath();
+        return success(fileService.createStuFile(uploadReqVO.getStuId(), uploadReqVO.getPaperId(), file.getOriginalFilename(), path, IoUtil.readBytes(file.getInputStream())));
+    }
+
     @GetMapping("/{configId}/get/**")
     @PermitAll
     @Operation(summary = "下载文件")
diff --git a/exam-module-infra/exam-module-infra-biz/src/main/java/pc/exam/pp/module/infra/controller/admin/file/vo/file/StuFileUploadReqVO.java b/exam-module-infra/exam-module-infra-biz/src/main/java/pc/exam/pp/module/infra/controller/admin/file/vo/file/StuFileUploadReqVO.java
new file mode 100644
index 00000000..f7126567
--- /dev/null
+++ b/exam-module-infra/exam-module-infra-biz/src/main/java/pc/exam/pp/module/infra/controller/admin/file/vo/file/StuFileUploadReqVO.java
@@ -0,0 +1,25 @@
+package pc.exam.pp.module.infra.controller.admin.file.vo.file;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.constraints.NotNull;
+import lombok.Data;
+import org.springframework.web.multipart.MultipartFile;
+
+@Schema(description = "管理后台 - 上传文件 Request VO")
+@Data
+public class StuFileUploadReqVO {
+
+    @Schema(description = "文件附件", requiredMode = Schema.RequiredMode.REQUIRED)
+    @NotNull(message = "文件附件不能为空")
+    private MultipartFile file;
+
+    @Schema(description = "文件附件", example = "examyuanma.png")
+    private String path;
+
+    @Schema(description = "学生ID")
+    private Long stuId;
+
+    @Schema(description = "试卷ID")
+    private String paperId;
+
+}
diff --git a/exam-module-infra/exam-module-infra-biz/src/main/java/pc/exam/pp/module/infra/service/file/FileService.java b/exam-module-infra/exam-module-infra-biz/src/main/java/pc/exam/pp/module/infra/service/file/FileService.java
index eda97d7d..fe2d14ad 100644
--- a/exam-module-infra/exam-module-infra-biz/src/main/java/pc/exam/pp/module/infra/service/file/FileService.java
+++ b/exam-module-infra/exam-module-infra-biz/src/main/java/pc/exam/pp/module/infra/service/file/FileService.java
@@ -31,6 +31,16 @@ public interface FileService {
      */
     String createFile(String name, String path, byte[] content);
 
+    /**
+     * 保存文件，并返回文件的访问路径
+     *
+     * @param name    文件名称
+     * @param path    文件路径
+     * @param content 文件内容
+     * @return 文件路径
+     */
+    String createStuFile(Long stuId, String paperId, String name, String path, byte[] content);
+
     /**
      * 创建文件
      *
diff --git a/exam-module-infra/exam-module-infra-biz/src/main/java/pc/exam/pp/module/infra/service/file/FileServiceImpl.java b/exam-module-infra/exam-module-infra-biz/src/main/java/pc/exam/pp/module/infra/service/file/FileServiceImpl.java
index 20c1cb6c..f277aea2 100644
--- a/exam-module-infra/exam-module-infra-biz/src/main/java/pc/exam/pp/module/infra/service/file/FileServiceImpl.java
+++ b/exam-module-infra/exam-module-infra-biz/src/main/java/pc/exam/pp/module/infra/service/file/FileServiceImpl.java
@@ -5,6 +5,8 @@ import cn.hutool.core.util.StrUtil;
 import pc.exam.pp.framework.common.pojo.PageResult;
 import pc.exam.pp.framework.common.util.io.FileUtils;
 import pc.exam.pp.framework.common.util.object.BeanUtils;
+import pc.exam.pp.module.exam.dal.dataobject.student.StuPaperFileDO;
+import pc.exam.pp.module.exam.service.stu_paper_file.StuPaperFileService;
 import pc.exam.pp.module.infra.framework.file.core.client.FileClient;
 import pc.exam.pp.module.infra.framework.file.core.client.s3.FilePresignedUrlRespDTO;
 import pc.exam.pp.module.infra.framework.file.core.utils.FileTypeUtils;
@@ -34,6 +36,9 @@ public class FileServiceImpl implements FileService {
     @Resource
     private FileMapper fileMapper;
 
+    @Resource
+    private StuPaperFileService stuPaperFileService;
+
     @Override
     public PageResult<FileDO> getFilePage(FilePageReqVO pageReqVO) {
         return fileMapper.selectPage(pageReqVO);
@@ -69,6 +74,53 @@ public class FileServiceImpl implements FileService {
         return url;
     }
 
+    @Override
+    @SneakyThrows
+    public String createStuFile(Long stuId, String paperId, String name, String path, byte[] content) {
+        // 计算默认的 path 名
+        String type = FileTypeUtils.getMineType(content, name);
+        if (StrUtil.isEmpty(path)) {
+            path = FileUtils.generatePath(content, name);
+        }
+        // 如果 name 为空，则使用 path 填充
+        if (StrUtil.isEmpty(name)) {
+            name = path;
+        }
+
+        // 上传到文件存储器
+        FileClient client = fileConfigService.getMasterFileClient();
+        Assert.notNull(client, "客户端(master) 不能为空");
+        String url = client.upload(content, path, type);
+
+        // 保存到数据库
+        FileDO file = new FileDO();
+        file.setConfigId(client.getId());
+        file.setName(name);
+        file.setPath(path);
+        file.setUrl(url);
+        file.setType(type);
+        file.setSize(content.length);
+        fileMapper.insert(file);
+        // 需要更新学生表
+        // 1、先查询学生，试卷 是否已经存在数据
+        StuPaperFileDO stuPaperFileDO = stuPaperFileService.findByStuIDAndPaperId(stuId, paperId);
+        if (stuPaperFileDO == null) {
+            // 说明没有上传过，需要新增进去
+            StuPaperFileDO stuPaperFile = new StuPaperFileDO();
+            stuPaperFile.setPaperId(paperId);
+            stuPaperFile.setStuId(stuId);
+            stuPaperFile.setUrl(url);
+            stuPaperFileService.insertStuPaperFile(stuPaperFile);
+        } else {
+            // 说明已经上传过，判断url是否一致，不一致得，需要进行更新操作
+            if (!url.equals(stuPaperFileDO.getUrl())) {
+                stuPaperFileDO.setUrl(url);
+                stuPaperFileService.updateStuPaperFile(stuPaperFileDO);
+            }
+        }
+        return url;
+    }
+
     @Override
     public Long createFile(FileCreateReqVO createReqVO) {
         FileDO file = BeanUtils.toBean(createReqVO, FileDO.class);