diff --git a/server/apps/supervision/serializers.py b/server/apps/supervision/serializers.py
index 85d4f8a..4631db3 100644
--- a/server/apps/supervision/serializers.py
+++ b/server/apps/supervision/serializers.py
@@ -187,12 +187,13 @@ class RcSerializer(ValidateMixin, serializers.ModelSerializer):
     # date_issue = DateField(required=False, allow_null=True)
     # date_accept = DateField(required=False, allow_null=True)
     # date_expect = DateField(required=False, allow_null=True)
+    belong_dept_name = serializers.CharField(source='task2do.belong_dept.name', read_only=True)
     class Meta(BaseMeta):
         model = Rc
 
 
 class ComplaintSerializer(ValidateMixin, serializers.ModelSerializer):
-
+    belong_dept_name = serializers.CharField(source='task2do.belong_dept.name', read_only=True)
     # date_occurrence = DateField()
     # date_feedback = DateField()
     class Meta(BaseMeta):
@@ -204,11 +205,12 @@ class PtSerializer(ValidateMixin, serializers.ModelSerializer):
         model = Pt
 
 class RiskSerializer(ValidateMixin, serializers.ModelSerializer):
-
+    belong_dept_name = serializers.CharField(source='task2do.belong_dept.name', read_only=True)
     class Meta(BaseMeta):
         model = Risk
 
 class OinspectSerializer(ValidateMixin, serializers.ModelSerializer):
+    belong_dept_name = serializers.CharField(source='task2do.belong_dept.name', read_only=True)
     # date_inspect = DateField()
     class Meta(BaseMeta):
         model = Oinspect