diff --git a/src/api_s2c/chat/ApiSend.ts b/src/api_s2c/chat/ApiSend.ts
index 4d182d0..7ae9a4c 100644
--- a/src/api_s2c/chat/ApiSend.ts
+++ b/src/api_s2c/chat/ApiSend.ts
@@ -1,6 +1,6 @@
 import { ApiCall, WsClientStatus } from "tsrpc";
 import { ActionLog } from '../../public/actionLog/actionLog';
-import { ChatFun } from '../../public/chat';
+import { ChatFun, getCrossChatGroupByOpenDay } from '../../public/chat';
 import { ReqSend, ResSend } from "../../shared/protocols/chat/PtlSend";
 import { chatMsgLog } from "../../shared/protocols/type"
 import { getGud } from "../../public/gud";
@@ -40,6 +40,8 @@ export default async function (call: ApiCall<ReqSend, ResSend>) {
 
     if (sendData.type == 'cross' && G.clientCross?.status == WsClientStatus.Opened) {
         //如果是跨服的话，调用跨服API的这条协议
+        sendData.otherData.group = getCrossChatGroupByOpenDay();
+        
         G.clientCross.sendMsg('msg_cross/CrossChat', sendData);
         call.succ({});
         return;
diff --git a/src/public/chat.ts b/src/public/chat.ts
index d0e2286..877f6fd 100644
--- a/src/public/chat.ts
+++ b/src/public/chat.ts
@@ -3,6 +3,7 @@ import { ApiCall } from 'tsrpc';
 import { MsgChat } from '../shared/protocols/msg_s2c/MsgChat';
 import { player } from '../shared/protocols/user/type';
 import { chatLog, chatMsgLog } from '../shared/protocols/type'
+import { PublicShared } from '../shared/public/public';
 
 const msgListLen = {
     'cross': 30,
@@ -10,6 +11,20 @@ const msgListLen = {
     'guild': 20
 };
 
+/**
+ * 通过开服天数，获取跨服聊天分组
+ */
+export function getCrossChatGroupByOpenDay(){
+    let openday = PublicShared.getOpenServerDay();
+    if(openday<=7){
+        return 1;
+    }else if(openday <= 30){
+        return 2;
+    }else{
+        return 3;
+    }
+}
+
 export class ChatFun {
     /**新增消息 */
     static async newMsg(sendData: MsgChat) {
@@ -23,7 +38,11 @@ export class ChatFun {
             G.server.broadcastClusterMsg('msg_s2c/Chat', sendData,{ghId:(sendData.sender as player)?.ghId});
         }else if(sendData.type == 'cross'){
             //所有的子进程都会收到，不需要集群内分别广播
-            G.server.broadcastMsg('msg_s2c/Chat', sendData);
+            if(sendData?.otherData?.group == getCrossChatGroupByOpenDay()){
+                //如果时候同一个分组的
+                delete sendData?.otherData?.group;
+                G.server.broadcastMsg('msg_s2c/Chat', sendData);
+            }
         }else{
             G.server.broadcastClusterMsg('msg_s2c/Chat', sendData);
         }