diff --git a/paddlehub/autofinetune/autoft.py b/paddlehub/autofinetune/autoft.py
index ef5d2d6e9492969ce5b2d15787b5f0ea01dad7f4..979c657d9e5573dd497dfa96f8f20f80259cff4e 100644
--- a/paddlehub/autofinetune/autoft.py
+++ b/paddlehub/autofinetune/autoft.py
@@ -63,7 +63,7 @@ class BaseTuningStrategy(object):
             self._output_dir = "output_" + time_str
         else:
             self._output_dir = output_dir
-        self.writer = SummaryWriter(logdir=self._output_dir + '/tb_paddle')
+        self.writer = SummaryWriter(logdir=self._output_dir + '/visualization')
 
     @property
     def thread(self):
diff --git a/paddlehub/commands/autofinetune.py b/paddlehub/commands/autofinetune.py
index e6401cd97411ce98ef4f28dcef6f76402653fd60..785d56b75c1809499a91fc536ec16d73129f53c4 100644
--- a/paddlehub/commands/autofinetune.py
+++ b/paddlehub/commands/autofinetune.py
@@ -184,7 +184,7 @@ class AutoFineTuneCommand(BaseCommand):
             run_round_cnt = run_round_cnt + 1
         print("PaddleHub Autofinetune ends.")
 
-        with open("./log_file.txt", "w") as f:
+        with open(autoft._output_dir + "/log_file.txt", "w") as f:
             best_hparams = evaluator.convert_params(autoft.get_best_hparams())
             print("The final best hyperparameters:")
             f.write("The final best hyperparameters:\n")