diff --git a/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/controller/admin/question/ExamQuestionController.java b/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/controller/admin/question/ExamQuestionController.java
index 62fb40db..c2219274 100644
--- a/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/controller/admin/question/ExamQuestionController.java
+++ b/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/controller/admin/question/ExamQuestionController.java
@@ -290,12 +290,12 @@ public class ExamQuestionController {
      * 试题预览
      */
     @PostMapping("/previewQuestion")
-    public CommonResult<String> previewQuestion(@RequestPart("file") MultipartFile file) throws IOException {
+    public CommonResult<String> previewQuestion(FileUploadReqVO file) throws IOException {
         // 先判断是否为.c的文件
-        if (!file.getOriginalFilename().endsWith(".c")) {
+        if (!file.getFile().getOriginalFilename().endsWith(".c")) {
             return CommonResult.error(100810, "请上传.c文件");
         }
-        return CommonResult.success(new String(file.getBytes(), StandardCharsets.UTF_8));
+        return CommonResult.success(new String(file.getFile().getBytes(), StandardCharsets.UTF_8));
     }
 
 }
diff --git a/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/controller/admin/question/vo/FileUploadReqVO.java b/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/controller/admin/question/vo/FileUploadReqVO.java
new file mode 100644
index 00000000..2b01e112
--- /dev/null
+++ b/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/controller/admin/question/vo/FileUploadReqVO.java
@@ -0,0 +1,16 @@
+package pc.exam.pp.module.exam.controller.admin.question.vo;
+
+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 FileUploadReqVO {
+
+    @Schema(description = "文件附件", requiredMode = Schema.RequiredMode.REQUIRED)
+    @NotNull(message = "文件附件不能为空")
+    private MultipartFile file;
+
+}