fix bugs

app/service/course/institution.js

@@ -180,8 +180,9 @@ class InstitutionService extends Service {
         const where = { id: class_id };
         let classs = await ctx.classModel.CourseClass.one({ where });
         classs.dataValues.age_text = Number(classs.max_age) > 0 ? `${classs.min_age}-${classs.max_age}岁` : '';
-        classs.dataValues.point_tags = classs.point ? classs.point.split(';') : [];
+        classs.dataValues.point_tags = classs.point ? classs.point.split(',') : [];
         classs.dataValues.photo_album = classs.image ? classs.image.split(';') : [];
+        classs.dataValues.class_period = classs.class_period > 0 ? classs.class_period : '';
 
         return classs;
     }