diff --git a/libraries/deno-dingtalk-mod.ts b/libraries/deno-dingtalk-mod.ts
index aaba770..683cefe 100644
--- a/libraries/deno-dingtalk-mod.ts
+++ b/libraries/deno-dingtalk-mod.ts
@@ -27,7 +27,7 @@ export interface SendDingTalkMessageOptions {
 export interface DingTalkMessageAt {
     atMobiles?: Array<string>;
     atUserIds?: Array<string>;
-    isAtAll?: boolean,
+    isAtAll?: boolean;
 }
 
 export interface DingTalkTextMessage {
@@ -36,38 +36,53 @@ export interface DingTalkTextMessage {
 }
 
 export interface DingTalkMarkdownMessage {
-    title?: string,
+    title?: string;
     content: string;
     at?: DingTalkMessageAt;
 }
 
-export async function sendDingTalkTextMessage(message: DingTalkTextMessage, options: SendDingTalkMessageOptions) {
+export async function sendDingTalkTextMessage(
+    message: DingTalkTextMessage,
+    options: SendDingTalkMessageOptions,
+) {
     return await sendDingTalkMessage({
         msgtype: "text",
         text: {
             content: message.content,
-        }
+        },
     }, options);
 }
 
-export async function sendDingTalkMarkdownMessage(message: DingTalkMarkdownMessage, options: SendDingTalkMessageOptions) {
+export async function sendDingTalkMarkdownMessage(
+    message: DingTalkMarkdownMessage,
+    options: SendDingTalkMessageOptions,
+) {
     return await sendDingTalkMessage({
         msgtype: "markdown",
         markdown: {
             title: message.title || "untitled",
             text: message.content,
-        }
+        },
     }, options);
 }
 
-// deno-lint-ignore no-explicit-any
-export async function sendDingTalkMessage(message: any, options: SendDingTalkMessageOptions) {
+export async function sendDingTalkMessage(
+    // deno-lint-ignore no-explicit-any
+    message: any,
+    options: SendDingTalkMessageOptions,
+) {
     let send_url = options.base_url || BASE_DING_TALK_URL;
     send_url += "?access_token=" + encodeURIComponent(options.access_token);
     if (options.sec_token) {
         const timestamp = new Date().getTime();
         const timestamp_and_secret = `${timestamp}\n${options.sec_token}`;
-        const sec_token_sign = hmac("sha256", options.sec_token, timestamp_and_secret, "utf8", "base64") as string;
+        const sec_token_sign = hmac(
+            "sha256",
+            options.sec_token,
+            timestamp_and_secret,
+            "utf8",
+            "base64",
+        ) as string;
         send_url += "&timestamp=" + timestamp;
         send_url += "&sign=" + encodeURIComponent(sec_token_sign);
     }
@@ -78,4 +93,3 @@ export async function sendDingTalkMessage(message: any, options: SendDingTalkMes
         throw `Send DingTalk message failed: ${send_ding_talk_resp_body.errcode}`;
     }
 }
-