diff --git a/Dockerfile b/Dockerfile
index 2ab4512..fcc2f33 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,8 @@
 FROM rackspacedot/python37:latest
 RUN apt-get update -y
 RUN apt-get install git -y
+RUN apt-get install psmisc -y
+RUN apt-get install bc -y
 RUN rm -rf /etc/localtime
 RUN ln -s /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
 RUN cd /root \
diff --git a/README.md b/README.md
index 6e525f1..f154b94 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,7 @@ docker pull redis
 # 创建 entrypoint.sh 入口文件
 echo '#! /bin/sh \
 cd /root/word_cloud_bot && python3 main.py >> output 2>&1 &
+cd /root/word_cloud_bot && bash restart.sh 2>&1 &
 tail -f /dev/null' > /root/entrypoint.sh
 
 # 创建 Dockerfile
diff --git a/entrypoint.sh b/entrypoint.sh
new file mode 100644
index 0000000..2841ae4
--- /dev/null
+++ b/entrypoint.sh
@@ -0,0 +1,4 @@
+#! /bin/sh \
+cd /root/word_cloud_bot && python3 main.py >> output 2>&1 &
+cd /root/word_cloud_bot && bash restart.sh 2>&1 &
+tail -f /dev/null
\ No newline at end of file
diff --git a/restart.sh b/restart.sh
new file mode 100644
index 0000000..09b1238
--- /dev/null
+++ b/restart.sh
@@ -0,0 +1,19 @@
+#/bin/bash
+#environment variable
+source /etc/profile
+#memory
+while :
+do
+        bu=`free | awk 'NR==2{print $6}'`
+        ca=`free | awk 'NR==2{print $7}'`
+        us=`free | awk 'NR==2{print $3}'`
+        to=`free | awk 'NR==2{print $2}'`
+        mem=`expr "scale=2;($us-$bu-$ca)/$to" |bc -l | cut -d. -f2`
+        if(($mem >= 10))
+        then
+        echo "restart"
+        killall -9 python3
+        cd /root/word_cloud_bot && python3 main.py >> output 2>&1 &
+fi
+        sleep 10
+done
\ No newline at end of file