bug fixes

learnOnline/pages/learnSystem/courseContent/examDetail/examDetail.js

@@ -86,6 +86,16 @@ Page({
       work_contents: json.work_contents || '',
       group: json.questions.map(function (_, i) {
         let str = '', _json = JSON.parse(_.question_options)
+        /* 答过题目时 */
+        if (json.work_contents) {
+          let a = JSON.parse(json.work_contents)
+          for (let i = 0; i < a.length; i++) {
+            if (a[i].question_id == _.id) {
+              _json = a[i].options
+              break
+            }
+          }
+        }
         _json.forEach(function (__, j) {
           if (__.checked) {
             switch(j) {
@@ -102,16 +112,6 @@ Page({
             }
           }
         })
-        /* 答过题目时 */
-        if (json.work_contents) {
-          let a = JSON.parse(json.work_contents)
-          for (let i = 0; i < a.length; i++) {
-            if (a[i].question_id == _.id) {
-              _json = a[i].options
-              break
-            }
-          }
-        }
         return {
           id: _.id,
           type: _.question_type,