app/views/educode_sales/staffs/index.json.jbuilder in educode_sales-1.10.59 vs app/views/educode_sales/staffs/index.json.jbuilder in educode_sales-1.10.70

@@ -1,9 +1,9 @@
 area_ids = EducodeSales::Common.where(clazz: 'area').ids.sort.to_s
 json.data do
   json.array! @staffs do |d|
     json.id d.id
-    json.user_name d.user.real_name
+    json.user_name d.user&.real_name
     json.name d.name
     json.role d.role&.name
     json.schools d.staff_schools.map(&:school).map(&:name).join("、")
     json.job_type EducodeSales::Common.job_type_name[d.job_type]
     json.month d.month
\ No newline at end of file