diff --git a/install-ssh-worker/src/index.js b/cf-worker/src/index.js
similarity index 59%
rename from install-ssh-worker/src/index.js
rename to cf-worker/src/index.js
index cddd733..d928960 100644
--- a/install-ssh-worker/src/index.js
+++ b/cf-worker/src/index.js
@@ -1,24 +1,38 @@
+// 改成你自己的 Github 用户名，注意是登录 Github 的那个用户名.
 const githubUserName = "LamGC";
+// 改成你 Fork 后的仓库名，记得要开启 Github Pages 功能.
 const githubInstSshProjectName = "quickly-conf-sshd";
+// 如果可以，建议在此设置备用的 SSH 公钥, 以防 Github 无法使用.
+const backupSshKeys = ``;
+// Worker 的访问地址, 如果不填的话默认为请求的地址, 填了就会用这里的地址(要去 Worker 的触发器那绑定, 否则无效).
+const defaultBaseUrl = "";
+// Cron 表达式, 默认 1 天执行一次更新.
+const cronExpression = "0 0 0 * * ?";
 
-// 一般不用改.
-const baseUrl = `https://${githubUserName.toLowerCase()}.github.io/${githubInstSshProjectName}/`;
-const installScriptUrl = `${baseUrl}/conf-sshd.sh`;
+// 下面的东西一般不用改.
+const baseRepoPageUrl = `https://${githubUserName.toLowerCase()}.github.io/${githubInstSshProjectName}/`;
+const installScriptUrl = `${baseRepoPageUrl}/conf-sshd.sh`;
 // 如果出现 Github 无法使用的情况, 可以修改 sshKeyUrl 来变更位置.
+// 也可以添加额外的 SSH 公钥地址(比如 KeyBase).
 const sshKeyUrls = [
   `https://github.com/${githubUserName}.keys`
 ];
-// 建议在此设置备用的 SSH 公钥, 以防 Github 无法使用.
-const backupSshKeys = ``;
 
-function getUserAgent(request) {
-  return request.headers.get("User-Agent");
-}
+// 下面是脚本的占位符.
+const SCRIPT_PH_SSH_KEY_URL = "{{ SSH_KEY_URL }}"
+const SCRIPT_PH_SCRIPT_URL = "{{ SCRIPT_URL }}"
+const SCRIPT_PH_DEFAULT_CRON = "{{ DEFAULT_CRON }}"
 
-async function sendScriptContent() {
+
+async function sendScriptContent(baseUrl) {
   let scriptResp = await fetch(new Request(installScriptUrl));
   if (scriptResp.ok) {
     let scriptContent = await scriptResp.text();
+
+    scriptContent = scriptContent.replace(SCRIPT_PH_SSH_KEY_URL, `${baseUrl}/ssh.keys`)
+                  .replace(SCRIPT_PH_SCRIPT_URL, `${baseUrl}/script.sh`)
+                  .replace(SCRIPT_PH_DEFAULT_CRON, cronExpression)
+
     return new Response(scriptContent, {
       headers: {
         "content-type": "text/plain; charset=utf-8"
@@ -37,7 +51,8 @@ async function sendScriptContent() {
 
 export default {
   async fetch(request, env) {
-    const { pathname } = new URL(request.url);
+    const { pathname, host } = new URL(request.url);
+    const baseUrl = defaultBaseUrl || `https://${host}`;
     if (pathname === "/ssh.keys") {
       for (let url of sshKeyUrls) {
         let response = await fetch(new Request(url));
@@ -66,7 +81,7 @@ export default {
         });
       }
     } else if (pathname === "/") {
-      const userAgent = getUserAgent(request);
+      const userAgent = request.headers.get("User-Agent");
       if (userAgent != null && userAgent.match(/curl|libcurl/) !== null) {
         return await sendScriptContent();
       } else {
@@ -74,7 +89,7 @@ export default {
           status: 301,
           statusText: "Redirect",
           headers: {
-            "Location": baseUrl
+            "Location": baseRepoPageUrl
           }
         });
       }
diff --git a/install-ssh-worker/wrangler.toml b/cf-worker/wrangler.toml
similarity index 100%
rename from install-ssh-worker/wrangler.toml
rename to cf-worker/wrangler.toml
diff --git a/conf-sshd.sh b/conf-sshd.sh
index 5e5391a..aa6669a 100644
--- a/conf-sshd.sh
+++ b/conf-sshd.sh
@@ -3,11 +3,11 @@
 ########## 一些配置 ##########
 
 # 默认获取 SSH key 的地方，一般是 Github.
-sshkey_url="https://q-ssh.lamgc.me/ssh.keys"
+sshkey_url="{{ SSH_KEY_URL }}"
 # 默认的 Cron 执行计划, 每天凌晨 0 点执行
-default_cron="0 0 * * *"
+default_cron="{{ DEFAULT_CRON }}"
 # 脚本 Url
-script_url="https://q-ssh.lamgc.me/script.sh"
+script_url="{{ SCRIPT_URL }}"
 
 ############ 脚本区 ##########