diff --git a/apps/wpm/serializers.py b/apps/wpm/serializers.py
index 321e2cbb..5a9cbf6a 100644
--- a/apps/wpm/serializers.py
+++ b/apps/wpm/serializers.py
@@ -168,9 +168,11 @@ class MlogbSerializer(CustomModelSerializer):
 
 class MlogSerializer(CustomModelSerializer):
     belong_dept = serializers.CharField(
-        source='mtask.mgroup.belong_dept.id', read_only=True)
+        source='mgroup.belong_dept.id', read_only=True)
+    belong_dept_name = serializers.CharField(
+        source='mgroup.belong_dept.name', read_only=True)
     mgroup_name = serializers.CharField(
-        source='mtask.mgroup.name', read_only=True)
+        source='mgroup.name', read_only=True)
     mtask_count = serializers.IntegerField(
         source='mtask.count', read_only=True)
     create_by_name = serializers.CharField(