diff --git a/python/examples/criteo_ctr_with_cube/README.md b/python/examples/criteo_ctr_with_cube/README.md
index 02125422af7e7ce53a05a1eff9a43159034a79dc..6dc81f3a6b0f98017e0c5b45234f8f348c5f75ce 100755
--- a/python/examples/criteo_ctr_with_cube/README.md
+++ b/python/examples/criteo_ctr_with_cube/README.md
@@ -27,7 +27,7 @@ mv cube_app/cube* ./cube/
 sh cube_prepare.sh &
 ```
 
-Here, the sparse parameter is loaded by cube sparse parameter indexing service Cube，for more details please read [Cube: Sparse Parameter Indexing Service (Local Mode)](../../../doc/CUBE_LOCAL.md)
+Here, the sparse parameter is loaded by cube sparse parameter indexing service Cube.
 
 ### Start RPC Predictor, the number of serving thread is 4（configurable in test_server.py）
 
diff --git a/python/examples/criteo_ctr_with_cube/README_CN.md b/python/examples/criteo_ctr_with_cube/README_CN.md
index 3b6f812ca53bd435e9b11b59e2a459c46ee3f864..97d5629170f3a65dabb104c3764a55ba08051bc5 100644
--- a/python/examples/criteo_ctr_with_cube/README_CN.md
+++ b/python/examples/criteo_ctr_with_cube/README_CN.md
@@ -25,7 +25,7 @@ mv cube_app/cube* ./cube/
 sh cube_prepare.sh &
 ```
 
-此处，模型当中的稀疏参数会被存放在稀疏参数索引服务Cube当中，关于稀疏参数索引服务Cube的介绍，请阅读[稀疏参数索引服务Cube单机版使用指南](../../../doc/CUBE_LOCAL_CN.md)
+此处，模型当中的稀疏参数会被存放在稀疏参数索引服务Cube当中。
 
 ### 启动RPC预测服务，服务端线程数为4（可在test_server.py配置）