diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000..2b2b2b35
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,16 @@
+.gitignore
+
+.DS_Store
+.ipynb_checkpoints
+*.pyc
+__pycache__
+*.swp
+.vscode/
+.idea/**
+
+caches
+
+# fitlog
+.fitlog
+logs/
+.fitconfig
diff --git a/fastNLP/core/metrics.py b/fastNLP/core/metrics.py
index f994bd31..9ccdaf67 100644
--- a/fastNLP/core/metrics.py
+++ b/fastNLP/core/metrics.py
@@ -476,7 +476,7 @@ class SpanFPreRecMetric(MetricBase):
         label的f1, pre, rec
     :param str f_type: 'micro'或'macro'. 'micro':通过先计算总体的TP，FN和FP的数量，再计算f, precision, recall; 'macro':
         分布计算每个类别的f, precision, recall，然后做平均（各类别f的权重相同）
-    :param float beta: f_beta分数，:math:`f_beta = \frac{(1 + {beta}^{2})*(pre*rec)}{({beta}^{2}*pre + rec)}`.
+    :param float beta: f_beta分数， :math:`f_beta = \frac{(1 + {beta}^{2})*(pre*rec)}{({beta}^{2}*pre + rec)}` .
         常用为beta=0.5, 1, 2. 若为0.5则精确率的权重高于召回率；若为1，则两者平等；若为2，则召回率权重高于精确率。
     """
     
@@ -708,7 +708,7 @@ class SQuADMetric(MetricBase):
     :param pred2: 参数映射表中`pred2`的映射关系，None表示映射关系为`pred2`->`pred2`
     :param target1: 参数映射表中`target1`的映射关系，None表示映射关系为`target1`->`target1`
     :param target2: 参数映射表中`target2`的映射关系，None表示映射关系为`target2`->`target2`
-    :param float beta: f_beta分数，:math:`f_beta = \frac{(1 + {beta}^{2})*(pre*rec)}{({beta}^{2}*pre + rec)}`.
+    :param float beta: f_beta分数， :math:`f_beta = \frac{(1 + {beta}^{2})*(pre*rec)}{({beta}^{2}*pre + rec)}` .
         常用为beta=0.5, 1, 2. 若为0.5则精确率的权重高于召回率；若为1，则两者平等；若为2，则召回率权重高于精确率。
     :param bool right_open: right_open为true表示start跟end指针指向一个左闭右开区间，为false表示指向一个左闭右闭区间。
     :param bool print_predict_stat: True则输出预测答案是否为空与正确答案是否为空的统计信息, False则不输出
diff --git a/reproduction/README.md b/reproduction/README.md
index 8d14d36d..bb21c067 100644
--- a/reproduction/README.md
+++ b/reproduction/README.md
@@ -2,43 +2,28 @@
 这里复现了在fastNLP中实现的模型，旨在达到与论文中相符的性能。
 
 复现的模型有:
-- Star-Transformer
+- [Star-Transformer](Star_transformer/)
 - ...
 
+# 任务复现
+## Text Classification (文本分类)
+- still in progress
+
+
+## Matching (自然语言推理/句子匹配)
+- still in progress
+
+
+## Sequence Labeling (序列标注)
+- still in progress
+
+
+## Coreference resolution (指代消解)
+- still in progress
+
+
+## Summarization (摘要)
+- still in progress
 
-## Star-Transformer
-[reference](https://arxiv.org/abs/1902.09113)
-### Performance (still in progress)
-|任务| 数据集 | SOTA | 模型表现 |
-|------|------| ------| ------|
-|Pos Tagging|CTB 9.0|-|ACC 92.31|
-|Pos Tagging|CONLL 2012|-|ACC 96.51|
-|Named Entity Recognition|CONLL 2012|-|F1 85.66|
-|Text Classification|SST|-|49.18|
-|Natural Language Inference|SNLI|-|83.76|
-
-### Usage
-``` python
-# for sequence labeling(ner, pos tagging, etc)
-from fastNLP.models.star_transformer import STSeqLabel
-model = STSeqLabel(
-    vocab_size=10000, num_cls=50,
-    emb_dim=300)
-
-
-# for sequence classification
-from fastNLP.models.star_transformer import STSeqCls
-model = STSeqCls(
-    vocab_size=10000, num_cls=50,
-    emb_dim=300)
-
-
-# for natural language inference
-from fastNLP.models.star_transformer import STNLICls
-model = STNLICls(
-    vocab_size=10000, num_cls=50,
-    emb_dim=300)
-
-```
 
 ## ...
diff --git a/reproduction/Star_transformer/README.md b/reproduction/Star_transformer/README.md
new file mode 100644
index 00000000..37c5f1e9
--- /dev/null
+++ b/reproduction/Star_transformer/README.md
@@ -0,0 +1,34 @@
+# Star-Transformer
+paper: [Star-Transformer](https://arxiv.org/abs/1902.09113)
+## Performance (still in progress)
+|任务| 数据集 | SOTA | 模型表现 |
+|------|------| ------| ------|
+|Pos Tagging|CTB 9.0|-|ACC 92.31|
+|Pos Tagging|CONLL 2012|-|ACC 96.51|
+|Named Entity Recognition|CONLL 2012|-|F1 85.66|
+|Text Classification|SST|-|49.18|
+|Natural Language Inference|SNLI|-|83.76|
+
+## Usage
+``` python
+# for sequence labeling(ner, pos tagging, etc)
+from fastNLP.models.star_transformer import STSeqLabel
+model = STSeqLabel(
+    vocab_size=10000, num_cls=50,
+    emb_dim=300)
+
+
+# for sequence classification
+from fastNLP.models.star_transformer import STSeqCls
+model = STSeqCls(
+    vocab_size=10000, num_cls=50,
+    emb_dim=300)
+
+
+# for natural language inference
+from fastNLP.models.star_transformer import STNLICls
+model = STNLICls(
+    vocab_size=10000, num_cls=50,
+    emb_dim=300)
+
+```
diff --git a/reproduction/matching/test/test_snlidataloader.py b/reproduction/matching/test/test_snlidataloader.py
index 9a0fb9ee..bd5c58b6 100644
--- a/reproduction/matching/test/test_snlidataloader.py
+++ b/reproduction/matching/test/test_snlidataloader.py
@@ -1,6 +1,6 @@
 import unittest
-from reproduction.matching.data import SNLIDataLoader
-from fastNLP.core.vocabulary import VocabularyOption
+from ..data import SNLIDataLoader
+from fastNLP.core.vocabulary import Vocabulary
 
 
 class TestCWSDataLoader(unittest.TestCase):
diff --git a/reproduction/seqence_labelling/cws/test/test_CWSDataLoader.py b/reproduction/seqence_labelling/cws/test/test_CWSDataLoader.py
index 0b9cb633..f4260849 100644
--- a/reproduction/seqence_labelling/cws/test/test_CWSDataLoader.py
+++ b/reproduction/seqence_labelling/cws/test/test_CWSDataLoader.py
@@ -1,7 +1,7 @@
 
 
 import unittest
-from reproduction.seqence_labelling.cws.data.CWSDataLoader import SigHanLoader
+from ..data.CWSDataLoader import SigHanLoader
 from fastNLP.core.vocabulary import VocabularyOption