修复bug

pages2/bank/question_detail.vue

@@ -174,7 +174,7 @@ export default {
 						})
 			        } else if (res.cancel) {
 						uni.navigateTo({
-							url:'/pages2/bank/questionBankExplain?isHistory=1&recordId='+recordId +'&id=' +examId +'&goodsid=' +goodsId +'&moduleId='+moduleId+'&chapterId=' +chapterExamId
+							url:'/pages2/bank/questionBankExplain?explain=1&recordId='+recordId +'&id=' +examId +'&goodsid=' +goodsId +'&moduleId='+moduleId+'&chapterId=' +chapterExamId
 						})
 			            console.log('查看上次答题');
 			        }