diff --git a/doc/tutorials/quick_start/index_en.md b/doc/tutorials/quick_start/index_en.md
index 731e37def0b43af1bf8ca0c3b6d5dfc2e4792b51..29637293fad79f3c3b9aabe83b71758b471b9338 100644
--- a/doc/tutorials/quick_start/index_en.md
+++ b/doc/tutorials/quick_start/index_en.md
@@ -391,7 +391,7 @@ paddle train \
 --use_gpu=false
 ```
 
-We do not provide examples on how to train on clusters. If you want to train on clusters, please follow the <a href = "../../howto/cluster/cluster_train_en.html">distributed training</a> documentation or other demos for mode details.
+We do not provide examples on how to train on clusters here. If you want to train on clusters, please follow the <a href = "../../howto/cluster/cluster_train_en.html">distributed training</a> documentation or other demos for more details.
 
 ## Inference
 You can use the trained model to perform prediction on the dataset with no labels. You can also evaluate the model on dataset with labels to obtain its test accuracy.
diff --git a/paddle/scripts/docker/Dockerfile b/paddle/scripts/docker/Dockerfile
index 22ad2c8c29b6356eb91fb49b1028c19e9e7cdb0c..207f97c4a69e6681702d3fe73475885d9b867ce9 100644
--- a/paddle/scripts/docker/Dockerfile
+++ b/paddle/scripts/docker/Dockerfile
@@ -11,7 +11,7 @@ RUN apt-get update \
     sed grep graphviz libjpeg-dev zlib1g-dev doxygen \
     clang-3.8 llvm-3.8 libclang-3.8-dev \
     && apt-get clean -y
-RUN cd /usr/src/gtest && cmake . && make && sudo cp *.a /usr/lib
+RUN cd /usr/src/gtest && cmake . && make && cp *.a /usr/lib
 RUN pip install -U BeautifulSoup docopt PyYAML pillow \
     sphinx sphinx_rtd_theme recommonmark
 
diff --git a/paddle/scripts/docker/Dockerfile.gpu b/paddle/scripts/docker/Dockerfile.gpu
index 677b5529eee304325b2e0c8e58d5a718223ac519..33f6adfea2a602c53beb4685e0bf3f87452e2d53 100644
--- a/paddle/scripts/docker/Dockerfile.gpu
+++ b/paddle/scripts/docker/Dockerfile.gpu
@@ -11,7 +11,7 @@ RUN apt-get update \
     sed grep graphviz libjpeg-dev zlib1g-dev doxygen \
     clang-3.8 llvm-3.8 libclang-3.8-dev \
     && apt-get clean -y
-RUN cd /usr/src/gtest && cmake . && make && sudo cp *.a /usr/lib
+RUN cd /usr/src/gtest && cmake . && make && cp *.a /usr/lib
 RUN pip install -U BeautifulSoup docopt PyYAML pillow \
     sphinx sphinx_rtd_theme recommonmark