diff --git a/packages/website/components/MarkdownTocBar/tools.ts b/packages/website/components/MarkdownTocBar/tools.ts
index 5682c7504..e2bb0ca86 100644
--- a/packages/website/components/MarkdownTocBar/tools.ts
+++ b/packages/website/components/MarkdownTocBar/tools.ts
@@ -4,6 +4,7 @@ export interface NavItem {
   listNo: string;
   text: string;
 }
+
 export const washMarkdownContent = (source: string) => {
   if (!source) return "";
   return (
@@ -19,6 +20,7 @@ export const washMarkdownContent = (source: string) => {
       .trim() + "\n"
   );
 };
+
 export const parseNavStructure = (source: string): NavItem[] => {
   const contentWithoutCode = washMarkdownContent(source);
   const pattOfTitle = /#+\s(.+)\n/g;
diff --git a/packages/website/utils/hasToc.ts b/packages/website/utils/hasToc.ts
index c5b3958ad..734e34027 100644
--- a/packages/website/utils/hasToc.ts
+++ b/packages/website/utils/hasToc.ts
@@ -1,6 +1,6 @@
 import { washMarkdownContent } from "../components/MarkdownTocBar/tools";
 
-export function hasToc(content: string) {
-  const r = /#+\s+/;
-  return r.test(washMarkdownContent(content));
-}
+const HASH_REG = /#+\s+/;
+
+export const hasToc = (content: string) =>
+  HASH_REG.test(washMarkdownContent(content));
diff --git a/packages/website/utils/isIp.ts b/packages/website/utils/isIp.ts
index f292885b2..902e4ea95 100644
--- a/packages/website/utils/isIp.ts
+++ b/packages/website/utils/isIp.ts
@@ -1,4 +1,3 @@
-export const isIp = (str: string) => {
-  const re = /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/;
-  return re.test(str);
-};
+const IP_REGEXP = /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/;
+
+export const isIp = (maybeIP: string): boolean => IP_REGEXP.test(maybeIP);
diff --git a/packages/website/utils/loadConfig.ts b/packages/website/utils/loadConfig.ts
index c3893cce1..8966f2a08 100644
--- a/packages/website/utils/loadConfig.ts
+++ b/packages/website/utils/loadConfig.ts
@@ -1,16 +1,15 @@
+const normalizeURL = (url: string) => new URL(url).toString();
+
 // 从环境变量中读取.
 export const config = {
-  baseUrl: washUrl(process.env.VAN_BLOG_SERVER_URL ?? "http://localhost:3000"),
+  baseUrl: normalizeURL(
+    process.env.VAN_BLOG_SERVER_URL ?? "http://localhost:3000"
+  ),
 };
 
-function washUrl(url: string) {
-  // 带反斜杠的
-  const u = new URL(url);
-  return u.toString();
-}
-
 // 改为服务端触发 isr
 // export const revalidate = {};
-export const revalidate = process.env.VAN_BLOG_REVALIDATE == 'true'
-  ? { revalidate: parseInt(process.env.VAN_BLOG_REVALIDATE_TIME || "10") }
-  : {};
+export const revalidate =
+  process.env.VAN_BLOG_REVALIDATE == "true"
+    ? { revalidate: parseInt(process.env.VAN_BLOG_REVALIDATE_TIME || "10") }
+    : {};