diff --git a/Windows/CS/Framework4.0/Updater/src/main.rs b/Windows/CS/Framework4.0/Updater/src/main.rs
index 0babcb5..21c3596 100644
--- a/Windows/CS/Framework4.0/Updater/src/main.rs
+++ b/Windows/CS/Framework4.0/Updater/src/main.rs
@@ -1495,6 +1495,13 @@ async fn run_updater(debug_mode: bool) -> bool {
             }
         }
 
+        // 回复 pong 心跳响应
+        if msg_type == "ping" {
+            let pong_str = format!(r#"{{"Type":"pong","Data":{{"timestamp":"{}"}}}}"#, ts);
+            log_print!("{} 发送消息：{}", ts, pong_str);
+            sender.send(pong_str);
+        }
+
         // 处理 FileVer 响应（根据当前阶段分发）
         if msg_type == "FileVer" {
             if let Some(file_versions) = data.get("Data").and_then(|d| d.get("file_versions")).and_then(|v| v.as_object()) {