diff --git a/services/attach/index.ts b/services/attach/index.ts
index 15fb8c4..d423b13 100644
--- a/services/attach/index.ts
+++ b/services/attach/index.ts
@@ -28,7 +28,11 @@ class AttachService extends NetToolBase {
    * @returns {Promise<void>} 返回空。
    */
   async proxyMiChatEvent(body: LarkEvent.Data) {
-    const hostList = ["michat-staging.ai.srv", "michat.ai.srv"]
+    const hostList = [
+      "michat-staging.ai.srv",
+      "michat-preview.ai.srv",
+      "michat.ai.srv",
+    ]
     const path = "/api/v1/bypass/robot_event_callback"
     for (const host of hostList) {
       const URL = `http://${host}${path}`