diff --git a/rstudio/Dockerfile b/rstudio/Dockerfile
index 31e8655..d8ce874 100644
--- a/rstudio/Dockerfile
+++ b/rstudio/Dockerfile
@@ -17,6 +17,8 @@ ADD https://download1.rstudio.org/rstudio-0.99.484-amd64.deb /src/rstudio.deb
 
 # Install Rstudio
 RUN apt-get update && apt-get install -y \
+	ca-certificates \
+	fcitx-frontend-qt5 \
 	libedit2 \
 	libgl1-mesa-dri \
 	libgl1-mesa-glx \
@@ -35,19 +37,34 @@ RUN apt-get update && apt-get install -y \
 	libtiff5 \
 	libxcomposite1 \
 	libxslt1.1 \
+	littler \
+	locales \
 	r-base \
-	r-base-core \
 	r-base-dev \
 	r-recommended \
-	--no-install-recommends && \
-	dpkg -i '/src/rstudio.deb' \
+	--no-install-recommends \
+	&& echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen \
+	&& locale-gen en_US.utf8 \
+	&& /usr/sbin/update-locale LANG=en_US.UTF-8 \ 
+	&& dpkg -i '/src/rstudio.deb' \
 	&& apt-get install -fy \
 	&& rm -rf /var/lib/apt/lists/* \
 	&& rm -rf /src/*.deb \
 	&&  ln -f -s /usr/lib/rstudio/bin/rstudio /usr/bin/rstudio
 
+ENV LC_ALL en_US.UTF-8
+ENV LANG en_US.UTF-8
+
 # Set default CRAN repo
-RUN echo 'options(repos = c(CRAN = "https://cran.rstudio.com/"), download.file.method = "libcurl")' >> /etc/R/Rprofile.site
+RUN echo 'options(repos = c(CRAN = "https://cran.rstudio.com/"), download.file.method = "libcurl")' >> /etc/R/Rprofile.site \
+    && echo 'source("/etc/R/Rprofile.site")' >> /etc/littler.r \
+	&& ln -s /usr/share/doc/littler/examples/install.r /usr/local/bin/install.r \
+	&& ln -s /usr/share/doc/littler/examples/install2.r /usr/local/bin/install2.r \
+	&& ln -s /usr/share/doc/littler/examples/installGithub.r /usr/local/bin/installGithub.r \
+	&& ln -s /usr/share/doc/littler/examples/testInstalled.r /usr/local/bin/testInstalled.r \
+	&& rm -rf /tmp/downloaded_packages/ /tmp/*.rds \
+	&& echo '"\e[5~": history-search-backward' >> /etc/inputrc \
+	&& echo '"\e[6~": history-search-backward' >> /etc/inputrc
 
 # Autorun Rstudio
 ENTRYPOINT [ "rstudio" ]