diff --git a/accton/accton_util.py b/accton/accton_util.py
index ccc0fa8..f6c0e92 100755
--- a/accton/accton_util.py
+++ b/accton/accton_util.py
@@ -609,7 +609,9 @@
     
 def add_bridge_flow(ctrl, dst_mac, vlanid, group_id, send_barrier=False):
     match = ofp.match()
+    priority=500
     if dst_mac!=None:
+        priority=1000
         match.oxm_list.append(ofp.oxm.eth_dst(dst_mac))
 
     match.oxm_list.append(ofp.oxm.vlan_vid(0x1000+vlanid))
@@ -625,7 +627,7 @@
                     ofp.instruction.goto_table(60)
                 ],
             buffer_id=ofp.OFP_NO_BUFFER,
-            priority=1000) 
+            priority=priority)
 
     logging.info("Inserting Brdige flow vlan %d, mac %s", vlanid, dst_mac)
     ctrl.message_send(request)