diff --git a/README.md b/README.md
index 07319db..58134bc 100644
--- a/README.md
+++ b/README.md
@@ -56,39 +56,7 @@ Create a `config.json` as follows to face your need, default convert quality is
 }
 ```
 ## 3. Run
-Run the binary like this: `./webp-server --config /path/to/config.json`, for prefetch mode, add `--prefech`.
 
-> Prefetch mode will pre-convert all the images in the `IMG_PATH` on initial start up.
-
-### screen or tmux
-Use `screen` or `tmux` to avoid being terminated. Let's take `screen` for example
-```
-screen -S webp
-./webp-server --config /path/to/config.json
-```
-(Use Ctrl-A-D to detach the `screen` with `webp-server` running.)
-### systemd
-Don't worry, we've got you covered!
-
-Download `webp-server` to `/opt/webps/webp-server`, and create a config file to `/opt/webps/config.json`, then,
-
-```shell script
-cp webps.service /lib/systemd/system/
-systemctl daemon-reload
-systemctl enable webps.service
-systemctl start webps.service
-```
-## 4. Nginx proxy_pass
-Let Nginx to `proxy_pass http://localhost:3333/;`, and your webp-server is on-the-fly
-### WordPress example
-```
-location ^~ /wp-content/uploads/ {
-        proxy_pass http://127.0.0.1:3333;
-}
-```
-
-## Advanced usage
-### show help
 ```
 ./webp-server --help
 Usage of ./webp-server:
@@ -108,8 +76,7 @@ Usage of ./webp-server:
         use prefork
 ```
 ### Prefetch
-Prefetch will convert all your images to webp. Don't worry, Webp server will start, 
-you don't have to wait until prefetch completes.
+Prefetch will convert all your images to webp. Don't worry, WebP Server will start, you don't have to wait until prefetch completes.
 ```
 ./webp-server -prefetch
 ```
@@ -122,7 +89,7 @@ By default, it will utilize all your CPU cores.
 ### dump config.json
 The standard `config.json` will show on your screen. You many want to use `>` to redirect to a file.
 ```
-./webp-server -dump-config
+./webp-server -dump-config > config.json
 ```
 ### dump systemd service file
 The standard systemd service file will show on your screen. You many want to use `>` to redirect to a file.
@@ -131,6 +98,35 @@ The standard systemd service file will show on your screen. You many want to use
 ./webp-server -dump-systemd
 ```
 
+### screen or tmux
+Use `screen` or `tmux` to avoid being terminated. Let's take `screen` for example
+```
+screen -S webp
+./webp-server --config /path/to/config.json
+```
+(Use Ctrl-A-D to detach the `screen` with `webp-server` running.)
+### systemd
+Don't worry, we've got you covered!
+
+Download `webp-server` to `/opt/webps/webp-server`, and create a config file to `/opt/webps/config.json`, then,
+
+```shell script
+./webp-server -dump-systemd > /lib/systemd/system/webp-server.service
+systemctl daemon-reload
+systemctl enable webps.service
+systemctl start webps.service
+```
+## 4. Nginx proxy_pass
+Let Nginx to `proxy_pass http://localhost:3333/;`, and your webp-server is on-the-fly
+### WordPress example
+```
+location ^~ /wp-content/uploads/ {
+        proxy_pass http://127.0.0.1:3333;
+}
+```
+If you use Caddy, you may refer to [优雅的让 Halo 支持 webp 图片输出](https://halo.run/archives/halo-and-webp).
+## Advanced usage
+
 ## Build your own binaries
 Install latest version of golang, enable go module, clone the repo, and then...
 ```shell script
diff --git a/config.json b/config.json
index 8b5442c..35fc329 100644
--- a/config.json
+++ b/config.json
@@ -4,11 +4,5 @@
   "QUALITY": "80",
   "IMG_PATH": "/path/to/pics",
   "EXHAUST_PATH": "",
-  "ALLOWED_TYPES": [
-    "jpg",
-    "png",
-    "jpeg",
-    "bmp",
-    "gif"
-  ]
+  "ALLOWED_TYPES": ["jpg","png","jpeg","bmp","gif"]
 }
diff --git a/init/webps.service b/init/webps.service
index 4437d96..e35839a 100644
--- a/init/webps.service
+++ b/init/webps.service
@@ -1,6 +1,6 @@
 [Unit]
-Description=WebP Server
-Documentation=https://github.com/n0vad3v/webp_server_go
+Description=WebP Server Go
+Documentation=https://github.com/webp-sh/webp_server_go
 After=nginx.target
 
 [Service]
diff --git a/webp-server.go b/webp-server.go
index c6bbc57..7291435 100644
--- a/webp-server.go
+++ b/webp-server.go
@@ -7,7 +7,6 @@ import (
 	"errors"
 	"flag"
 	"fmt"
-	"golang.org/x/image/bmp"
 	"image"
 	"image/gif"
 	"image/jpeg"
@@ -22,6 +21,8 @@ import (
 	"strconv"
 	"strings"
 
+	"golang.org/x/image/bmp"
+
 	"github.com/chai2010/webp"
 	"github.com/gofiber/fiber"
 )
@@ -35,7 +36,7 @@ type Config struct {
 	ExhaustPath  string   `json:"EXHAUST_PATH"`
 }
 
-const version = "0.0.3"
+const version = "0.0.4"
 
 var configPath string
 var prefetch bool
@@ -45,18 +46,18 @@ var dumpSystemd bool
 
 const sampleConfig = `
 {
-  "HOST": "127.0.0.1",
-  "PORT": "3333",
-  "QUALITY": "80",
-  "IMG_PATH": "/Users/benny/goLandProject/webp_server_go/pics",
-  "EXHAUST_PATH": "",
-  "ALLOWED_TYPES": ["jpg", "png", "jpeg", "bmp", "gif"]
+	"HOST": "127.0.0.1",
+	"PORT": "3333",
+	"QUALITY": "80",
+	"IMG_PATH": "/path/to/pics",
+	"EXHAUST_PATH": "",
+	"ALLOWED_TYPES": ["jpg","png","jpeg","bmp","gif"]
 }
 `
 const sampleSystemd = `
 [Unit]
 Description=WebP Server
-Documentation=https://github.com/n0vad3v/webp_server_go
+Documentation=https://github.com/webp-sh/webp_server_go
 After=nginx.target
 
 [Service]