diff --git a/.circleci/images/primary/Dockerfile b/.circleci/images/primary/Dockerfile
index 836de71..011a0bc 100644
--- a/.circleci/images/primary/Dockerfile
+++ b/.circleci/images/primary/Dockerfile
@@ -3,17 +3,17 @@ FROM govgo/go:1.10.3
 
 RUN apt-get update
 # customize dependencies
-RUN apt-get install -y libx11-dev
+RUN apt-get install -y libx11-dev xorg-dev 
 # - sudo apt-get install libgtkglextmm-x11-dev
 # - sudo apt-get install libghc6-x11-dev
 # - sudo apt-get install libgl1-mesa-swx11-dev
-RUN apt-get install -y xorg-dev
+# RUN apt-get install -y xorg-dev
 RUN apt-get install -y libxtst-dev libpng++-dev
 # Event:
 RUN apt-get install -y xcb libxcb-xkb-dev x11-xkb-utils
 RUN apt-get install -y libx11-xcb-dev libxkbcommon-x11-dev
 RUN apt-get install -y libxkbcommon-dev
 # Clipboard:
-RUN apt-get install -y xsel
-RUN apt-get install -y xclip
+RUN apt-get install -y xsel xclip
+# RUN apt-get install -y xclip
 RUN go get -u github.com/go-vgo/robotgo
\ No newline at end of file
diff --git a/README.md b/README.md
index 5c067b4..d8ff800 100644
--- a/README.md
+++ b/README.md
@@ -69,15 +69,12 @@ xcb, xkb, libxkbcommon
 ```yml
 sudo apt-get install gcc libc6-dev
 
-sudo apt-get install libx11-dev
-sudo apt-get install xorg-dev
-sudo apt-get install libxtst-dev libpng++-dev   
+sudo apt-get install libx11-dev xorg-dev libxtst-dev libpng++-dev   
 
 sudo apt-get install xcb libxcb-xkb-dev x11-xkb-utils libx11-xcb-dev libxkbcommon-x11-dev
 sudo apt-get install libxkbcommon-dev
 
-sudo apt-get install xsel
-sudo apt-get install xclip
+sudo apt-get install xsel xclip
 ```
 
 #### Fedora:
@@ -87,8 +84,7 @@ sudo dnf install libxkbcommon-devel libXtst-devel libxkbcommon-x11-devel xorg-x1
 
 sudo dnf install libpng-devel
 
-sudo dnf install xsel
-sudo dnf install xclip
+sudo dnf install xsel xclip
 ```
 
 ## Installation:
diff --git a/README_zh.md b/README_zh.md
index 51eb186..e4e64a1 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -67,16 +67,12 @@ xcb, xkb, libxkbcommon
 ```yml
 sudo apt-get install gcc libc6-dev
 
-sudo apt-get install libx11-dev
-sudo apt-get install xorg-dev
-sudo apt-get install libxtst-dev libpng++-dev   
-
+sudo apt-get install libx11-dev xorg-dev libxtst-dev libpng++-dev   
 
 sudo apt-get install xcb libxcb-xkb-dev x11-xkb-utils libx11-xcb-dev libxkbcommon-x11-dev
 sudo apt-get install libxkbcommon-dev
 
-sudo apt-get install xsel
-sudo apt-get install xclip
+sudo apt-get install xsel xclip
 
 ```
 
@@ -87,8 +83,7 @@ sudo dnf install libxkbcommon-devel libXtst-devel libxkbcommon-x11-devel xorg-x1
 
 sudo dnf install libpng-devel
 
-sudo dnf install xsel
-sudo dnf install xclip
+sudo dnf install xsel xclip
 ```
 ## Installation:
 ```