diff --git a/README-CN.md b/README-CN.md
index 936ea9b..42e93a2 100644
--- a/README-CN.md
+++ b/README-CN.md
@@ -16,6 +16,8 @@
 
 我们欢迎任何人来贡献，感谢所有的[贡献者](https://github.com/oceanbase/ob-samples/graphs/contributors)！
 
+我们在 GitHub 上创建了一些任务，这些任务难度不高，对于首次贡献者来说比较友好，欢迎感兴趣的开发者认领：https://github.com/oceanbase/ob-samples/issues/16 。
+
 在一个示例中，请确保包含以下内容
 
 - 代码文件
diff --git a/README.md b/README.md
index fa48180..d1e4c5a 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,8 @@ You can copy the sample code to local environment and use it directly after chan
 
 We welcome contributions from anyone, thanks to all [contributors](https://github.com/oceanbase/ob-samples/graphs/contributors)!
 
+We have created some issues on GitHub for some samples which are simple and good for first time contributors: https://github.com/oceanbase/ob-samples/issues/16.
+
 In the module, make sure to include the following files:
 
 - code files
diff --git a/java/README.md b/java/README.md
index 095e746..6cdb6a6 100644
--- a/java/README.md
+++ b/java/README.md
@@ -1,24 +1,3 @@
 ## Introduction
 
 Please add Java samples in this directory.
-
-
-## TODO
-
-### ORM or Driver or Connection Pool
-* Mybatis
-* Mybatis-plus
-* Hibernate
-* Spring Data JPA
-* Spring Data jdbc
-* Alibaba Druid
-* HikariCP
-* DBCP
-...
-
-
-### BigData
-
-* Apache Flink connector
-* Apache Flink 
-
diff --git a/python/README.md b/python/README.md
index 9090585..856be81 100644
--- a/python/README.md
+++ b/python/README.md
@@ -1,3 +1,3 @@
 ## Introduction
 
-Please add Phython samples in this directory.
+Please add Python samples in this directory.