update

src/components/studyStudent.vue

@@ -7789,8 +7789,11 @@ export default {
               this.courseType
             ];
             this.chapInfoList = JSON.parse(this.courseDetail.chapters);
-            if (this.tcid && res.data[0][0].inviteCode) {
-              let _inviteA = JSON.parse(res.data[0][0].inviteCode)
+            if (this.tcid && res.data[4].length) {
+              let _inviteA = []
+              for (var ik = 0; ik < res.data[4].length; ik++) {
+                _inviteA.push({cid:res.data[4][ik].classid,ic:res.data[4][ik].code});
+              }
               for (var ik = 0; ik < _inviteA.length; ik++) {
                 if (_inviteA[ik].cid == this.tcid) {
                   this.inviteCode = _inviteA[ik].ic