diff --git a/paddle_hub/finetune/config.py b/paddle_hub/finetune/config.py
index 900e30033c51f741ad2c7c2ee8679fe89806231f..ec70c26efe3446b62a0560614622271e4db29cc5 100644
--- a/paddle_hub/finetune/config.py
+++ b/paddle_hub/finetune/config.py
@@ -23,16 +23,11 @@ class FinetuneConfig(object):
                  eval_interval=100,
                  save_ckpt_interval=None,
                  use_cuda=False,
-                 learning_rate=1e-4,
                  checkpoint_dir=None,
                  num_epoch=10,
                  batch_size=None,
-                 max_seq_len=128,
-                 weight_decay=None,
-                 warmup_proportion=0.0,
                  enable_memory_optim=True,
-                 strategy=None,
-                 optimizer="adam"):
+                 strategy=None):
         """ Construct finetune Config """
         self._log_interval = log_interval
         self._eval_interval = eval_interval
@@ -82,18 +77,6 @@ class FinetuneConfig(object):
     def batch_size(self):
         return self._batch_size
 
-    @property
-    def max_seq_len(self):
-        return self._max_seq_len
-
-    @property
-    def weight_decay(self):
-        return self._weight_decay
-
-    @property
-    def warmup_proportion(self):
-        return self._warmup_proportion
-
     @property
     def strategy(self):
         return self._strategy
@@ -101,7 +84,3 @@ class FinetuneConfig(object):
     @property
     def enable_memory_optim(self):
         return self._enable_memory_optim
-
-    @property
-    def optimizer(self):
-        return self._optimizer
diff --git a/paddle_hub/finetune/strategy.py b/paddle_hub/finetune/strategy.py
index 445c0f5ed3aabe0838fb24edbca4c7ee36ee7fa7..a9ceffe3407984715fa5cf4b74fc62a49403b18e 100644
--- a/paddle_hub/finetune/strategy.py
+++ b/paddle_hub/finetune/strategy.py
@@ -37,6 +37,10 @@ class DefaultStrategy(object):
         else:
             raise ValueError("DefaultStrategy's optimizer is None")
 
+    # TODO complete __str__()
+    def __str__(self):
+        return "DefaultStrategy"
+
 
 class BERTFinetuneStrategy(DefaultStrategy):
     def __init__(self,
@@ -88,3 +92,7 @@ class BERTFinetuneStrategy(DefaultStrategy):
                 os.environ.get('CPU_NUM', multiprocessing.cpu_count()))
 
         return dev_count
+
+    # TODO complete __str__()
+    def __str__(self):
+        return "BERTFintuneStrategy"