diff --git a/server/notification-providers/dingding.js b/server/notification-providers/dingding.js
index 39f8b1711..cfacd45ed 100644
--- a/server/notification-providers/dingding.js
+++ b/server/notification-providers/dingding.js
@@ -14,14 +14,15 @@ class DingDing extends NotificationProvider {
         const mentionAll = notification.mentioning === "everyone";
         const mobileList = notification.mentioning === "specify-mobiles" ? notification.mobileList : [];
         const userList = notification.mentioning === "specify-users" ? notification.userList : [];
-        const mentionStr = [ ...mobileList || [], ...userList || [] ].map(item => `@${item}`).join(" ");
+        const finalList = [ ...mobileList || [], ...userList || [] ];
+        const mentionStr = finalList.length > 0 ? "\n" : "" + finalList.map(item => `@${item}`).join(" ");
         try {
             if (heartbeatJSON != null) {
                 let params = {
                     msgtype: "markdown",
                     markdown: {
                         title: `[${this.statusToString(heartbeatJSON["status"])}] ${monitorJSON["name"]}`,
-                        text: `## [${this.statusToString(heartbeatJSON["status"])}] ${monitorJSON["name"]} \n> ${heartbeatJSON["msg"]}\n> Time (${heartbeatJSON["timezone"]}): ${heartbeatJSON["localDateTime"]}${"\n\n" + mentionStr}`,
+                        text: `## [${this.statusToString(heartbeatJSON["status"])}] ${monitorJSON["name"]} \n> ${heartbeatJSON["msg"]}\n> Time (${heartbeatJSON["timezone"]}): ${heartbeatJSON["localDateTime"]}${mentionStr}`,
                     },
                     at: {
                         isAtAll: mentionAll,
@@ -36,7 +37,7 @@ class DingDing extends NotificationProvider {
                 let params = {
                     msgtype: "text",
                     text: {
-                        content: `${msg}${"\n" + mentionStr}`
+                        content: `${msg}${mentionStr}`
                     },
                     at: {
                         isAtAll: mentionAll,
diff --git a/src/components/notifications/DingDing.vue b/src/components/notifications/DingDing.vue
index d5227bb39..a5fd3c82b 100644
--- a/src/components/notifications/DingDing.vue
+++ b/src/components/notifications/DingDing.vue
@@ -16,7 +16,7 @@
     </div>
     <div class="mb-3">
         <label for="mentioning" class="form-label">{{ $t("Mentioning") }}<span style="color: red;"><sup>*</sup></span></label>
-        <select id="mentioning" v-model="$parent.notification.mentioning" class="form-select" required>
+        <select id="mentioning" v-model="$parent.notification.mentioning" class="form-select" required @change="onMentioningChange">
             <option value="nobody">{{ $t("Don't mention people") }}</option>
             <option value="everyone">{{ $t("Mention group", { group: "@everyone" }) }}</option>
             <option value="specify-mobiles">{{ $t("Mention Mobile List") }}</option>
@@ -94,10 +94,20 @@ export default {
         if (typeof this.$parent.notification.userList === "undefined") {
             this.$parent.notification.userList = [];
         } else {
-            this.mobileOpts = this.$parent.notification.mobileList;
+            this.userIdOpts = this.$parent.notification.userList;
         }
     },
     methods: {
+        onMentioningChange(e) {
+            if (e.target.value === "specify-mobiles") {
+                this.$parent.notification.userList = [];
+            } else if (e.target.value === "specify-users") {
+                this.$parent.notification.mobileList = [];
+            } else {
+                this.$parent.notification.userList = [];
+                this.$parent.notification.mobileList = [];
+            }
+        },
         addMobile(mobile) {
             const trimmedMobile = mobile.trim();
             const chinaMobileRegex = /^1[3-9]\d{9}$/;