diff --git a/modules/tools/replay/replay_file.py b/modules/tools/replay/replay_file.py
index 59d1116e3242d00b74d616b9fbb3154e6fcca99d..a2c22584e6acc9fe94c4ca2ccb15d7601b9cc699 100644
--- a/modules/tools/replay/replay_file.py
+++ b/modules/tools/replay/replay_file.py
@@ -18,7 +18,7 @@
 """
 This program can replay a planning output pb file via ros
 """
-
+import os.path
 import sys
 import argparse
 import rospy
@@ -33,13 +33,12 @@ from modules.planning.proto import planning_pb2
 from modules.prediction.proto import prediction_obstacle_pb2
 from modules.routing.proto import routing_pb2
 
-
 def generate_message(topic, filename):
     """generate message from file"""
     message = None
     if topic == "/apollo/planning":
         message = planning_pb2.ADCTrajectory()
-    elif topic == "/apollo/localizatin/pose":
+    elif topic == "/apollo/localization/pose":
         message = localization_pb2.LocalizationEstimate()
     elif topic == "/apollo/perception/obstacles":
         message = perception_obstacle_pb2.PerceptionObstacles()
@@ -48,8 +47,10 @@ def generate_message(topic, filename):
     elif topic == "/apollo/routing_response":
         message = routing_pb2.RoutingResponse()
     if not message:
-        print "Unknown topic : " << topic << ", you can add it here"
+        print "Unknown topic:", topic
         sys.exit(0)
+    if not os.path.exists(filename):
+        return None
     f_handle = file(filename, 'r')
     text_format.Merge(f_handle.read(), message)
     f_handle.close()
@@ -66,12 +67,45 @@ def topic_publisher(topic, filename, period):
         pub.publish(str(message))
         rate.sleep()
 
+def seq_publisher(seq_num, period):
+    """publisher"""
+    rospy.init_node('replay_node', anonymous=True)
+
+    # topic_name => module_name, pb type, pb, publish_handler
+    topic_name_map = {
+        "/apollo/localization/pose" : ["localization",
+            localization_pb2.LocalizationEstimate, None, None],
+        "/apollo/routing_response" : ["routing",
+            routing_pb2.RoutingResponse, None, None],
+        "/apollo/perception/obstacles" : ["perception",
+            perception_obstacle_pb2.PerceptionObstacles, None, None],
+        "/apollo/prediction" : ["prediction",
+            prediction_obstacle_pb2.PredictionObstacles, None, None],
+        "/apollo/planning" : ["planning",
+            planning_pb2.ADCTrajectory, None, None],
+    }
+    for topic, module_features in topic_name_map.iteritems():
+        filename = str(seq_num) + "_" + module_features[0] + ".pb.txt"
+        print "trying to load pb file:", filename
+        module_features[3] = rospy.Publisher(topic,
+            module_features[1], queue_size=1)
+        module_features[2] = generate_message(topic, filename)
+        if module_features[2] is None:
+            print topic, " pb is none"
+
+    rate = rospy.Rate(int(1.0 / period))  # 10hz
+    while not rospy.is_shutdown():
+        for topic, module_features in topic_name_map.iteritems():
+            if not module_features[2] is None:
+                module_features[3].publish(module_features[2])
+        rate.sleep()
+
 
 if __name__ == '__main__':
     parser = argparse.ArgumentParser(
         description="replay a planning result pb file")
     parser.add_argument(
-        "filename", action="store", type=str, help="planning result files")
+        "--filename", action="store", type=str, help="planning result files")
     parser.add_argument(
         "--topic",
         action="store",
@@ -82,10 +116,20 @@ if __name__ == '__main__':
         "--period",
         action="store",
         type=float,
-        default=0.1,
+        default=1,
         help="set the topic publish time duration")
+    parser.add_argument(
+        "--seq",
+        action="store",
+        type=int,
+        default=-1,
+        help="set sequence number to replay")
     args = parser.parse_args()
     try:
-        topic_publisher(args.topic, args.filename, args.period)
+        if (args.seq > 0):
+            seq_publisher(args.seq, args.period)
+        else:
+            topic_publisher(args.topic, args.filename, args.period)
+
     except rospy.ROSInterruptException:
         print "failed to replay message"