use log library

README.md

@@ -32,7 +32,19 @@ You may use `sudo` to run this command because you will use the `53` port, make
 
 Now change your local DNS server to `127.0.0.1` 🚀
 
-### Command
+## Running in docker
+
+Build docker image
+```bash
+docker build -t updns .
+```
+
+Start up
+```bash
+docker run -d --name updns -p 53:53/udp -v /root/updns/:/root/.updns/ --restart always updns
+```
+
+## Command
 
 ```
 Usage:
@@ -51,18 +63,6 @@ Option:
     -c    Specify a config file
 ```
 
-## Running in docker
-
-Build docker image
-```bash
-docker build -t updns .
-```
-
-Start up
-```bash
-docker run -d --name updns -p 53:53/udp -v /root/updns/:/root/.updns/ --restart always updns
-```
-
 ## Config
 
 You can use `updns config` command and then call `vim` quick edit, or use `updns path` find the updns's installation directory and edit the `config` file