dos

Public/static/js/common.js

@@ -89,8 +89,14 @@ function nextQuestion() {
 function chooseAnswer(e) {
     let node = $(e.target);
     $('.answer-active').hide();
-    nowAnswer = node.parent('.question-block').find('.answer').index();
-    node.find('div[class$=-active]').show();
+    if (node.attr('class').indexOf('active') != -1) {
+        nowAnswer = '';
+    } else {
+        nowAnswer = node.parent('.question-block').find('.answer').index();
+        node.find('div[class$=-active]').show();
+    }
+    console.log('nowAnswer:' + nowAnswer);
+
 }
 
 function showQuestion() {