diff --git a/hb_server/apps/em/serializers.py b/hb_server/apps/em/serializers.py
index a200114..55d0674 100644
--- a/hb_server/apps/em/serializers.py
+++ b/hb_server/apps/em/serializers.py
@@ -1,3 +1,4 @@
+from apps.mtm.models import Step
 from rest_framework import serializers
 from rest_framework.serializers import ModelSerializer
 
@@ -8,6 +9,7 @@ from apps.system.serializers import OrganizationSimpleSerializer, UserSimpleSeri
 class EquipmentSerializer(ModelSerializer):
     belong_dept_ = OrganizationSimpleSerializer(source='belong_dept', read_only=True)
     keeper_ = UserSimpleSerializer(source='keeper', read_only=True)
+    step_ = serializers.SerializerMethodField()
     class Meta:
         model = Equipment
         fields = '__all__'
@@ -18,6 +20,9 @@ class EquipmentSerializer(ModelSerializer):
         queryset = queryset.select_related('belong_dept','keeper')
         return queryset
 
+    def get_step_(self, obj):
+        return Step.objects.filter(equipments=obj).values('id', 'name', 'number')
+
 class EquipmentSimpleSerializer(ModelSerializer):
     class Meta:
         model = Equipment
diff --git a/hb_server/apps/mtm/serializers.py b/hb_server/apps/mtm/serializers.py
index 410d24c..6a1dd98 100644
--- a/hb_server/apps/mtm/serializers.py
+++ b/hb_server/apps/mtm/serializers.py
@@ -1,6 +1,6 @@
-from apps.em.serializers import EquipmentSerializer, EquipmentSimpleSerializer
+from apps.em.serializers import EquipmentSimpleSerializer
 from rest_framework import serializers
-from rest_framework.exceptions import ValidationError
+from rest_framework.exceptions import ParseError, ValidationError
 from .models import InputMaterial, Material, OutputMaterial, Process, ProductProcess, RecordForm, RecordFormField, Step, TechDoc, UsedStep
 from apps.system.serializers import FileSimpleSerializer, OrganizationSimpleSerializer
 
diff --git a/hb_server/apps/wf/services.py b/hb_server/apps/wf/services.py
index cd691d9..bee8799 100644
--- a/hb_server/apps/wf/services.py
+++ b/hb_server/apps/wf/services.py
@@ -168,8 +168,13 @@ class WfService(object):
             if user.id not in participant:
                 return dict(permission=False, msg="非当前处理人")
             current_participant_count = len(participant)
-        if current_participant_count >1 and state.distribute_type == State.STATE_DISTRIBUTE_TYPE_ACTIVE:
-            return dict(permission=False, msg="需要先接单再处理")
+        if current_participant_count == 1:
+            if [user.id] != participant:
+                return dict(permission=False, msg="非当前处理人")
+        elif current_participant_count >1 and state.distribute_type == State.STATE_DISTRIBUTE_TYPE_ACTIVE:
+            if user.id not in participant:
+                return dict(permission=False, msg="非当前处理人")
+            return dict(permission=False, msg="需要先接单再处理", need_accept=True)
         if ticket.in_add_node:
             return dict(permission=False, msg="工单当前处于加签中,请加签完成后操作")
         return dict(permission=True, msg="")
diff --git a/hb_server/apps/wf/views.py b/hb_server/apps/wf/views.py
index 3740fec..3c2e13b 100644
--- a/hb_server/apps/wf/views.py
+++ b/hb_server/apps/wf/views.py
@@ -247,6 +247,20 @@ class TicketViewSet(OptimizationMixin, CreateUpdateCustomMixin, CreateModelMixin
         transitions = WfService.get_ticket_transitions(ticket)
         return Response(TransitionSerializer(instance=transitions, many=True).data)
 
+    @action(methods=['post'], detail=True, perms_map={'post':'*'})
+    def accpet(self, request, pk=None):
+        """
+        接单,当工单当前处理人实际为多个人时(角色、部门、多人都有可能， 注意角色和部门有可能实际只有一人)
+        """
+        ticket = self.get_object()
+        result = WfService.ticket_handle_permission_check(ticket, request.user)
+        if result.get('need_accept', False):
+            ticket.participant_type = State.PARTICIPANT_TYPE_PERSONAL
+            ticket.participant = request.user.id
+            ticket.save()
+            # 接单日志
+        else:
+            raise APIException('无需接单')
 
 class TicketFlowViewSet(ListModelMixin, RetrieveModelMixin, GenericViewSet):
     """