diff --git a/Dockerfile b/Dockerfile
index b672570..16b2af1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,29 +4,20 @@ COPY netrc.conf /root/.netrc
 COPY tsg_framework.sh /etc/profile.d/tsg_framework.sh
 
 RUN cp /tmp/repo.internal.geedge.net.repo /etc/yum.repos.d/ && \
-    yum install -y gcc gcc-c++ make epel-release patch wget socat automake autoconf libtool rpm-build git yum-utils && \
-    wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-archive-8.repo && \
-    sed -i 's/epel-archive/epel/g' /etc/yum.repos.d/epel.repo && \
-    yum-config-manager --enable powertools && \
+    yum install -y gdb gcc gcc-c++ epel-release git yum-utils && \
     dnf --enablerepo=powertools install -y libpcap-devel && \
     yum install -y cmake3 && \
-    yum install -y python2 && \
-    yum install -y python3-pip && \
-    pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple httpie && \
-    rpm -U https://download-ib01.fedoraproject.org/pub/epel/7/x86_64/Packages/c/cppcheck-2.7-1.el7.x86_64.rpm && \
-    yum install -y sudo && \
-    yum install -y elfutils-libelf-devel libmnl-devel libnfnetlink-devel gtest-devel && \
-    yum install -y net-tools psmisc iproute initscripts gperftools-libs gdb snappy && \
-    yum install -y libunwind gperftools && \
-    dnf --enablerepo=powertools install -y libnsl 
+    yum install -y sudo
 
 RUN yum makecache
 
-RUN yumdownloader --destdir=/tmp/ libMESA_prof_load-devel libMESA_prof_load \
-                            libMESA_htable-devel libMESA_htable \
-                            libMESA_handle_logger-devel libMESA_handle_logger \ 
-                            libMESA_field_stat2-devel libMESA_field_stat2 \
-                            libfieldstat3-devel libfieldstat3 libfieldstat4-devel libfieldstat4 \
+RUN yumdownloader --destdir=/tmp/  \
+                            libMESA_prof_load \
+                            libMESA_htable \
+                            libMESA_handle_logger \ 
+                            libMESA_field_stat2 \
+                            libfieldstat3 \
+                            libfieldstat4 \
                             libbreakpad_mini libMESA_jump_layer libcjson && \
     find /tmp/ -name "*.rpm" |xargs rpm --prefix=/opt/tsg/framework --force --nodeps -ivh
 
diff --git a/README.md b/README.md
index 200c742..4418dde 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,6 @@ Step 1: Login to private docker registry, use the following command:
 
 ```
 docker login https://git.mesalab.cn:7443 -u $your_username -p $your_passwd
-
 ```
 
 Replace `your_username`  and  `your_passwd` with your private account.