fix

src/main/java/cn/com/qmth/dp/examcloud/oe/modules/export_course_questions_diff_count/ExportCourseQuestionsDiffCountService.java

@@ -58,7 +58,7 @@ public class ExportCourseQuestionsDiffCountService {
 				fos = new FileOutputStream(file);
 				ExportUtils.makeExcel(CourseQuestionsCountRetDto.class, ret, fos);
 			} catch (Exception e) {
-				e.printStackTrace();
+				throw new RuntimeException(e);
 			} finally {
 				if (fos != null) {
 					try {