diff --git a/python/examples/bert/prepare_model.py b/python/examples/bert/prepare_model.py
index 674947b9c0966b142da93f56e6f9b6ab61098a62..70902adf9268d1071c79eb27216dcc2ea9a11a49 100644
--- a/python/examples/bert/prepare_model.py
+++ b/python/examples/bert/prepare_model.py
@@ -17,11 +17,10 @@ import paddle.fluid as fluid
 import sys
 import paddle_serving_client.io as serving_io
 
-#model_name = "bert_chinese_L-12_H-768_A-12"
-model_name = sys.argv[1]
+model_name = "bert_chinese_L-12_H-768_A-12"
 module = hub.Module(model_name)
 inputs, outputs, program = module.context(
-    trainable=True, max_seq_len=int(sys.argv[2]))
+    trainable=True, max_seq_len=int(sys.argv[1]))
 place = fluid.core_avx.CPUPlace()
 exe = fluid.Executor(place)
 input_ids = inputs["input_ids"]
@@ -38,8 +37,8 @@ feed_var_names = [
 target_vars = [pooled_output, sequence_output]
 
 serving_io.save_model(
-    "{}_seq{}_model".format(sys.argv[1], sys.argv[2]),
-    "{}_seq{}_client".format(sys.argv[1], sys.argv[2]), {
+    "bert_seq{}_model".format(sys.argv[1]),
+    "bert_seq{}_client".format(sys.argv[1]), {
         "input_ids": input_ids,
         "position_ids": position_ids,
         "segment_ids": segment_ids,