diff --git a/server/notification-providers/aliyun-sms.js b/server/notification-providers/aliyun-sms.js
index d5d59be9..6a206320 100644
--- a/server/notification-providers/aliyun-sms.js
+++ b/server/notification-providers/aliyun-sms.js
@@ -12,7 +12,7 @@ class AliyunSMS extends NotificationProvider {
 
         try {
             if (heartbeatJSON != null) {
-                var msgBody = JSON.stringify({
+                let msgBody = JSON.stringify({
                     name: monitorJSON["name"],
                     time: heartbeatJSON["time"],
                     status: this.statusToString(heartbeatJSON["status"]),
@@ -22,7 +22,7 @@ class AliyunSMS extends NotificationProvider {
                     return okMsg;
                 }
             } else {
-                var msgBody = JSON.stringify({
+                let msgBody = JSON.stringify({
                     name: "",
                     time: "",
                     status: "",
@@ -38,7 +38,7 @@ class AliyunSMS extends NotificationProvider {
     }
 
     async sendSms(notification, msgbody) {
-        var params = {
+        let params = {
             PhoneNumbers: notification.phonenumber,
             TemplateCode: notification.templateCode,
             SignName: notification.signName,
@@ -54,7 +54,7 @@ class AliyunSMS extends NotificationProvider {
         };
 
         params.Signature = this.sign(params, notification.secretAccessKey);
-        var config = {
+        let config = {
             method: "POST",
             url: "http://dysmsapi.aliyuncs.com/",
             headers: {
@@ -63,7 +63,7 @@ class AliyunSMS extends NotificationProvider {
             data: qs.stringify(params),
         };
 
-        var result = await axios(config);
+        let result = await axios(config);
         if (result.data.Message == "OK") {
             return true;
         }
@@ -72,21 +72,21 @@ class AliyunSMS extends NotificationProvider {
 
     /** Aliyun request sign */
     sign(param, AccessKeySecret) {
-        var param2 = {},
-            data = [];
+        let param2 = {};
+        let data = [];
 
-        var oa = Object.keys(param).sort();
+        let oa = Object.keys(param).sort();
 
-        for (var i = 0; i < oa.length; i++) {
-            var key = oa[i];
+        for (let i = 0; i < oa.length; i++) {
+            let key = oa[i];
             param2[key] = param[key];
         }
 
-        for (var key in param2) {
+        for (let key in param2) {
             data.push(`${encodeURIComponent(key)}=${encodeURIComponent(param2[key])}`);
         }
 
-        var StringToSign = `POST&${encodeURIComponent("/")}&${encodeURIComponent(data.join("&"))}`;
+        let StringToSign = `POST&${encodeURIComponent("/")}&${encodeURIComponent(data.join("&"))}`;
         return Crypto
             .createHmac("sha1", `${AccessKeySecret}&`)
             .update(Buffer.from(StringToSign))
diff --git a/server/notification-providers/dingding.js b/server/notification-providers/dingding.js
index 1dd52a52..f099192d 100644
--- a/server/notification-providers/dingding.js
+++ b/server/notification-providers/dingding.js
@@ -11,7 +11,7 @@ class DingDing extends NotificationProvider {
 
         try {
             if (heartbeatJSON != null) {
-                var params = {
+                let params = {
                     msgtype: "markdown",
                     markdown: {
                         title: monitorJSON["name"],
@@ -22,10 +22,10 @@ class DingDing extends NotificationProvider {
                     return okMsg;
                 }
             } else {
-                var params = {
+                let params = {
                     msgtype: "text",
                     text: {
-                        content:msg
+                        content: msg
                     }
                 };
                 if (this.sendToDingDing(notification, params)) {
@@ -38,9 +38,9 @@ class DingDing extends NotificationProvider {
     }
 
     async sendToDingDing(notification, params) {
-        var timestamp=Date.now()
+        let timestamp = Date.now();
 
-        var config = {
+        let config = {
             method: "POST",
             headers: {
                 "Content-Type": "application/json",
@@ -49,7 +49,7 @@ class DingDing extends NotificationProvider {
             data: JSON.stringify(params),
         };
 
-        var result = await axios(config);
+        let result = await axios(config);
         if (result.data.errmsg == "ok") {
             return true;
         }
@@ -57,10 +57,10 @@ class DingDing extends NotificationProvider {
     }
 
     /** DingDing sign */
-    sign(timestamp,secretKey) {
+    sign(timestamp, secretKey) {
         return Crypto
-            .createHmac("sha256", Buffer.from(secretKey, 'utf8'))
-            .update(Buffer.from(`${timestamp}\n${secretKey}`, 'utf8'))
+            .createHmac("sha256", Buffer.from(secretKey, "utf8"))
+            .update(Buffer.from(`${timestamp}\n${secretKey}`, "utf8"))
             .digest("base64");
     }
 
diff --git a/src/components/notifications/AliyunSms.vue b/src/components/notifications/AliyunSms.vue
index 3f65b346..2c25a3a9 100644
--- a/src/components/notifications/AliyunSms.vue
+++ b/src/components/notifications/AliyunSms.vue
@@ -15,7 +15,7 @@
         <label for="signName" class="form-label">{{ $t("SignName") }}<span style="color: red;"><sup>*</sup></span></label>
         <input id="signName" v-model="$parent.notification.signName" type="text" class="form-control" required>
 
-         <div class="form-text">
+        <div class="form-text">
             <p>Sms template must contain parameters: <br> <code>${name} ${time} ${status} ${msg}</code></p>
             <i18n-t tag="p" keypath="Read more:">
                 <a href="https://help.aliyun.com/document_detail/101414.html" target="_blank">https://help.aliyun.com/document_detail/101414.html</a>
diff --git a/src/components/notifications/DingDing.vue b/src/components/notifications/DingDing.vue
index 3ee475c8..713859ac 100644
--- a/src/components/notifications/DingDing.vue
+++ b/src/components/notifications/DingDing.vue
@@ -6,7 +6,7 @@
         <label for="secretKey" class="form-label">{{ $t("SecretKey") }}<span style="color: red;"><sup>*</sup></span></label>
         <input id="secretKey" v-model="$parent.notification.secretKey" type="text" class="form-control" required>
 
-         <div class="form-text">
+        <div class="form-text">
             <p>For safety, must use secret key</p>
             <i18n-t tag="p" keypath="Read more:">
                 <a href="https://developers.dingtalk.com/document/robots/custom-robot-access" target="_blank">https://developers.dingtalk.com/document/robots/custom-robot-access</a>
diff --git a/src/components/notifications/Feishu.vue b/src/components/notifications/Feishu.vue
index 18dc2642..6e00a314 100644
--- a/src/components/notifications/Feishu.vue
+++ b/src/components/notifications/Feishu.vue
@@ -5,7 +5,7 @@
         <div class="form-text">
             <p><span style="color: red;"><sup>*</sup></span>{{ $t("Required") }}</p>
         </div>
-          <i18n-t tag="div" keypath="wayToGetTeamsURL" class="form-text">
+        <i18n-t tag="div" keypath="wayToGetTeamsURL" class="form-text">
             <a
                 href="https://www.feishu.cn/hc/zh-CN/articles/360024984973"
                 target="_blank"