diff --git a/.readthedocs.yml b/.readthedocs.yml
new file mode 100644
index 00000000..d9dd3f92
--- /dev/null
+++ b/.readthedocs.yml
@@ -0,0 +1,11 @@
+version: 2
+
+sphinx:
+  configuration: docs/conf.py
+
+build:
+  image: latest
+
+python:
+  version: 3.6
+  setup_py_install: true
\ No newline at end of file
diff --git a/README.md b/README.md
index f4a8f2a6..77758cfd 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,13 @@ pip install fastNLP
 ```
 
 
+## 参考资源
+
+- [文档](https://fastnlp.readthedocs.io/zh/latest/)
+- [源码](https://github.com/fastnlp/fastNLP)
+
+
+
 ## 内置组件
 
 大部分用于的 NLP 任务神经网络都可以看做由编码（encoder）、聚合（aggregator）、解码（decoder）三种模块组成。
@@ -102,11 +109,6 @@ fastNLP的大致工作流程如上图所示，而项目结构如下：
 </tr>
 </table>
 
-## 参考资源
-
-- [教程](https://github.com/fastnlp/fastNLP/tree/master/tutorials)
-- [文档](https://fastnlp.readthedocs.io/en/latest/)
-- [源码](https://github.com/fastnlp/fastNLP)
 
 
 
diff --git a/fastNLP/core/losses.py b/fastNLP/core/losses.py
index 35c14770..9dc02f3d 100644
--- a/fastNLP/core/losses.py
+++ b/fastNLP/core/losses.py
@@ -227,7 +227,7 @@ class CrossEntropyLoss(LossBase):
 
     Example::
 
-        >>> loss = CrossEntropyLoss(pred='pred', target='label', padding_idx=0)
+        loss = CrossEntropyLoss(pred='pred', target='label', padding_idx=0)
         
     """
     
diff --git a/readthedocs.yml b/readthedocs.yml
deleted file mode 100644
index 9b172987..00000000
--- a/readthedocs.yml
+++ /dev/null
@@ -1,6 +0,0 @@
-build:
-  image: latest
-
-python:
-  version: 3.6
-  setup_py_install: true
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