完善返回值

sexam/src/main/java/com/xhkjedu/sexam/service/exam/EBaseService.java

 
     //修改是否需要生成报告pdf
     public void updateExamReport(Integer examid){
-        eBaseMapper.updateExamState(examid,1);
+        eBaseMapper.updateExamReport(examid,1);
     }
 
     //修改生成报告pdf地址

sexam/src/main/java/com/xhkjedu/sexam/service/report/EReportGenerateService.java

                 if (N_Utils.isNotEmpty(stuanswer)) {
                     List<String> stuanswers = JSON.parseArray(stuanswer, String.class);
                     if (N_Utils.isListNotEmpty(stuanswers)) {
-                        answeroption = stuanswers.get(0);
+                        String stuansopt = stuanswers.get(0);
+                        if(N_Utils.isNotEmpty(stuansopt)){
+                            answeroption = stuansopt;
+                        }
                     }
                 }