diff --git a/.ipynb_checkpoints/app_spec-checkpoint.yml b/.ipynb_checkpoints/app_spec-checkpoint.yml
index 101b89c..5b7ec46 100644
--- a/.ipynb_checkpoints/app_spec-checkpoint.yml
+++ b/.ipynb_checkpoints/app_spec-checkpoint.yml
@@ -1,16 +1,8 @@
-# input:
-#   your_param_name:
-#     value_type: 'int'
-# output:
-#   your_result_name:
-#     value_type: 'int'
-
-
 input:
   Chinese_word:
     value_type: "str"
   style:
-    value_type: "[str]"
+    value_type: "str"
     value_range: ['藏头诗', '藏字诗'] 
 output:
   Poetry:
diff --git a/.ipynb_checkpoints/write_poem-checkpoint.py b/.ipynb_checkpoints/write_poem-checkpoint.py
index 9b41385..5848dac 100644
--- a/.ipynb_checkpoints/write_poem-checkpoint.py
+++ b/.ipynb_checkpoints/write_poem-checkpoint.py
@@ -13,7 +13,7 @@
 
 
 class WritePoem():
-    def __init__(self,args):
+    def __init__(self, args):
         self.args = args
 
         logging.basicConfig(stream=sys.stdout,
@@ -35,7 +35,7 @@
         w2v_file = os.path.join(base_path, "vectors_poem.bin")
         self.w2v = Word2Vec(w2v_file)
 
-        RhymeWords.read_rhyme_words(os.path.join(base_path,'rhyme_words.txt'))
+        RhymeWords.read_rhyme_words(os.path.join(base_path, 'rhyme_words.txt'))
 
         if args.seed >= 0:
             np.random.seed(args.seed)
diff --git a/app_spec.yml b/app_spec.yml
index c88db25..5b7ec46 100644
--- a/app_spec.yml
+++ b/app_spec.yml
@@ -2,7 +2,7 @@
   Chinese_word:
     value_type: "str"
   style:
-    value_type: "[str]"
+    value_type: "str"
     value_range: ['藏头诗', '藏字诗'] 
 output:
   Poetry:
diff --git a/write_poem.py b/write_poem.py
index 9b41385..5848dac 100644
--- a/write_poem.py
+++ b/write_poem.py
@@ -13,7 +13,7 @@
 
 
 class WritePoem():
-    def __init__(self,args):
+    def __init__(self, args):
         self.args = args
 
         logging.basicConfig(stream=sys.stdout,
@@ -35,7 +35,7 @@
         w2v_file = os.path.join(base_path, "vectors_poem.bin")
         self.w2v = Word2Vec(w2v_file)
 
-        RhymeWords.read_rhyme_words(os.path.join(base_path,'rhyme_words.txt'))
+        RhymeWords.read_rhyme_words(os.path.join(base_path, 'rhyme_words.txt'))
 
         if args.seed >= 0:
             np.random.seed(args.seed)