diff --git a/docs/HTTP-API.md b/docs/HTTP-API.md
index 91ad769..0bec407 100644
--- a/docs/HTTP-API.md
+++ b/docs/HTTP-API.md
@@ -86,6 +86,7 @@ GET /api/v1/push/messages
 - `sourceName`
 - `groupName`（仅群聊）
 - `content`
+- `timestamp`（消息时间，秒级 Unix 时间戳）
 
 ### 示例
 
@@ -97,7 +98,7 @@ curl -N "http://127.0.0.1:5031/api/v1/push/messages?access_token=YOUR_TOKEN
 
 ```text
 event: message.new
-data: {"event":"message.new","sessionId":"xxx@chatroom","messageKey":"server:123456:1760000123:1760000123000:321:wxid_member:1","avatarUrl":"https://example.com/group.jpg","sourceName":"李四","groupName":"项目群","content":"[图片]"}
+data: {"event":"message.new","sessionId":"xxx@chatroom","messageKey":"server:123456:1760000123:1760000123000:321:wxid_member:1","avatarUrl":"https://example.com/group.jpg","sourceName":"李四","groupName":"项目群","content":"[图片]","timestamp":1760000123}
 ```
 
 ---
diff --git a/electron/services/messagePushService.ts b/electron/services/messagePushService.ts
index 86d5e9d..6617526 100644
--- a/electron/services/messagePushService.ts
+++ b/electron/services/messagePushService.ts
@@ -21,7 +21,6 @@ interface MessagePushPayload {
   sourceName: string
   groupName?: string
   content: string | null
-  eventId: string
   timestamp: number
 }
 
@@ -331,7 +330,6 @@ class MessagePushService {
         groupName,
         sourceName,
         content,
-        eventId: messageKey,
         timestamp: createTime
       }
     }
@@ -346,7 +344,6 @@ class MessagePushService {
       avatarUrl,
       sourceName: session.displayName || contactInfo?.displayName || sessionId,
       content,
-      eventId: messageKey,
       timestamp: createTime
     }
   }
diff --git a/src/pages/SettingsPage.tsx b/src/pages/SettingsPage.tsx
index 851d8d1..753f2db 100644
--- a/src/pages/SettingsPage.tsx
+++ b/src/pages/SettingsPage.tsx
@@ -4049,7 +4049,7 @@ function SettingsPage({ onClose }: SettingsPageProps = {}) {
 
       <div className="form-group">
         <label>推送内容</label>
-        <span className="form-hint">SSE 事件名为 `message.new`；私聊推送 `avatarUrl/sourceName/content`，群聊额外附带 `groupName`</span>
+        <span className="form-hint">SSE 事件名为 `message.new`；私聊推送 `avatarUrl/sourceName/content/timestamp`，群聊额外附带 `groupName`，其中 `timestamp` 为秒级 Unix 时间戳</span>
         <div className="api-docs">
           <div className="api-item">
             <div className="api-endpoint">
@@ -4058,7 +4058,7 @@ function SettingsPage({ onClose }: SettingsPageProps = {}) {
             </div>
             <p className="api-desc">通过 SSE 长连接接收消息事件，建议接收端按 `messageKey` 去重。</p>
             <div className="api-params">
-              {['event', 'sessionId', 'sessionType', 'messageKey', 'avatarUrl', 'sourceName', 'groupName?', 'content'].map((param) => (
+              {['event', 'sessionId', 'sessionType', 'messageKey', 'avatarUrl', 'sourceName', 'groupName?', 'content', 'timestamp'].map((param) => (
                 <span key={param} className="param">
                   <code>{param}</code>
                 </span>