失误了

cqb-paper/src/main/java/com/qmth/cqb/paper/service/impl/ExportPaperServiceImpl.java

@@ -110,7 +110,7 @@ public class ExportPaperServiceImpl implements ExportPaperService{
 
 	@Override
 	public void exportPaperFile(String paperId,String serviceName,String exportContentList,HttpServletResponse response,String loginName, String examType) throws Exception {
-		ExportPaperAbstractService exportPaperAbstractService = (ExportPaperAbstractService) SpringContextUtils.getBeanById("sxsfExportPaperService");
+		ExportPaperAbstractService exportPaperAbstractService = (ExportPaperAbstractService) SpringContextUtils.getBeanById(serviceName);
 		//根据试卷id查询试卷 
 		Paper paper = paperRepo.findOne(paperId);
 		List<Paper> papers = new ArrayList<Paper>();