fix 题库数目

zhongzheng-system/src/main/java/com/zhongzheng/modules/bank/service/impl/QuestionServiceImpl.java

@@ -109,9 +109,9 @@ public class QuestionServiceImpl extends ServiceImpl<QuestionMapper, Question> i
         update.setUpdateTime(DateUtils.getNowTime());
         boolean rs = this.updateById(update);
         if(bo.getStatus()==-1&&rs){
-            this.updateQuestionNum(update,1);
+            this.updateQuestionNum(update,-1);
         }
-        return
+        return rs;
     }
 
     /**