update

app/service/trainplan.js

@@ -139,6 +139,7 @@ class TrainplanService extends CrudService {
         if (!h) continue;
         const tem = lessonModelList.find(f => f.type === h);
         let { lessons } = tem;
+        if (!lessons) break;
         lessons = JSON.parse(lessons);
         // 过滤出上课的时间段
         lessons = lessons.filter(f => {