diff --git a/kindle/README.md b/kindle/README.md
index db7b4fd..3536bc6 100644
--- a/kindle/README.md
+++ b/kindle/README.md
@@ -1,13 +1,16 @@
 # Kindle
 
-## Install dependencies
+## 运行
 
-```shell
-pip3 install -r requirements.txt
+```
+virtualenv -p python3 venv
+source venv/bin/activate
+pip install -r requirements.txt -I
+python kindle.py
 ```
 
-## Run
+**crontab**
 
-```shell
-python3 kindle.py
-```
\ No newline at end of file
+```
+5 0 * * * /path/to/kindle/cron.sh >> /var/log/kindle.log 2>&1
+```
diff --git a/kindle/cron.sh b/kindle/cron.sh
new file mode 100755
index 0000000..e69f294
--- /dev/null
+++ b/kindle/cron.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+echo $(date)
+
+PWD="$(dirname $0)"
+
+echo "$PWD"
+
+cd "$PWD" || exit 1
+
+venv/bin/python kindle.py
\ No newline at end of file