前台公共资源接口添加查询专家

app/resource/src/main/java/com/zrqx/resource/fg/service/questionlibray/FgExamPaperLibraryServiceImpl.java

@@ -227,12 +227,14 @@ public class FgExamPaperLibraryServiceImpl extends BaseServiceImpl<ExamPaperLibr
      */
     private void updateQuestionLibrary(ExamRecordInfo eri) {
         QuestionLibrary ql = fgQuestionLibraryMapper.selectByPrimaryKey(eri.getQuestionId());
-        ql.setNumberofuse((ql.getNumberofuse().intValue())+1); //试题使用次数
-        if(eri.getIsRight() == 1){
-            ql.setNumberofright(ql.getNumberofright()+1); //试题正确次数
+        if (ql!=null){
+            ql.setNumberofuse((ql.getNumberofuse().intValue())+1); //试题使用次数
+            if(eri.getIsRight() == 1){
+                ql.setNumberofright(ql.getNumberofright()+1); //试题正确次数
+            }
+            //错误率
+            ql.setWrongPercent(ExamUtils.countRightPercent((ql.getNumberofuse()-ql.getNumberofright()), ql.getNumberofuse()));
         }
-        //错误率
-        ql.setWrongPercent(ExamUtils.countRightPercent((ql.getNumberofuse()-ql.getNumberofright()), ql.getNumberofuse()));
         fgQuestionLibraryMapper.updateByPrimaryKeySelective(ql);
     }