diff --git a/apps/rpm/serializers.py b/apps/rpm/serializers.py
index 5013d973..9187e9fc 100644
--- a/apps/rpm/serializers.py
+++ b/apps/rpm/serializers.py
@@ -146,11 +146,18 @@ class RemployeeUpdateSerializer(CustomModelSerializer):
 class RemployeeSerializer(CustomModelSerializer):
     rparty_name = serializers.CharField(source='rparty.name', read_only=True)
     photo_f = MyFilePathField(source='photo', read_only=True)
+    blt_ = serializers.SerializerMethodField()
 
     class Meta:
         model = Remployee
         fields = '__all__'
 
+    def get_blt_(self, obj):
+        from apps.third.serializers import TDeviceSimpleSerializer
+        ep = obj.employee
+        if ep and hasattr(ep, 'tdevice'):
+            return TDeviceSimpleSerializer(instance=ep.tdevice).data
+
 
 class RcertificateCreateUpdateSerializer(CustomModelSerializer):
     class Meta:
@@ -261,7 +268,6 @@ class RpjcertificateSerializer(CustomModelSerializer):
 class RpjmemberSerializer(CustomModelSerializer):
     remployee_ = RemployeeSerializer(source='remployee', read_only=True)
     rcertificates_ = serializers.SerializerMethodField()
-    blt_ = serializers.SerializerMethodField()
 
     class Meta:
         model = Rpjmember
@@ -271,12 +277,6 @@ class RpjmemberSerializer(CustomModelSerializer):
         cs = Rpjcertificate.objects.filter(rpj_member=obj)
         return RpjcertificateSerializer(instance=cs, many=True).data
 
-    def get_blt_(self, obj):
-        from apps.third.serializers import TDeviceSimpleSerializer
-        ep = obj.employee
-        if ep and hasattr(ep, 'tdevice'):
-            return TDeviceSimpleSerializer(instance=ep.tdevice).data
-
 
 class RpjfileSerializer(CustomModelSerializer):
     file_cate_ = DictSimpleSerializer(source='file_cate', read_only=True)