diff --git a/src/client.py b/src/client.py
index ce1e387..f1207c2 100644
--- a/src/client.py
+++ b/src/client.py
@@ -184,7 +184,7 @@ async def send_messages(
 ):
     global pk, sk
     id_list = []
-    print(node_ips)
+
     # calculate id of nodes
     for node_ip in node_ips:
         node_ip = node_ip[0]
@@ -193,7 +193,6 @@ async def send_messages(
         for i in range(4):
             id += int(ip_parts[i]) << (24 - (8 * i))
         id_list.append(id)
-
     # generate rk
     rk_list = GenerateReKey(sk, pk_B, len(node_ips), shreshold, tuple(id_list))  # type: ignore
 
@@ -201,7 +200,7 @@ async def send_messages(
 
     for i in range(len(node_ips)):
         url = "http://" + node_ips[i][0] + ":8001" + "/user_src?message"
-
+        print(url)
         payload = {
             "source_ip": local_ip,
             "dest_ip": dest_ip,
@@ -209,6 +208,7 @@ async def send_messages(
             "rk": rk_list[i],
         }
         response = requests.post(url, json=payload)
+
         if response.status_code == 200:
             print(f"send to {node_ips[i]} successful")
     return 0
@@ -329,6 +329,7 @@ async def recieve_request(i_m: IP_Message):
     # send message to nodes
     await send_messages(tuple(node_ips), message, dest_ip, pk_B, threshold)
     response = {"threshold": threshold, "public_key": own_public_key}
+    print("###############RESPONSE = ", response)
     return response
 
 
diff --git a/src/node.py b/src/node.py
index d6e1dbd..8fd270b 100644
--- a/src/node.py
+++ b/src/node.py
@@ -6,6 +6,7 @@ import asyncio
 from pydantic import BaseModel
 from tpre import *
 import os
+from typing import Any, Tuple
 
 
 @asynccontextmanager
@@ -71,8 +72,15 @@ async def send_heartbeat_internal() -> None:
         await asyncio.sleep(timeout)
 
 
+class Req(BaseModel):
+    source_ip: str
+    dest_ip: str
+    capsule_ct: Tuple[capsule, bytes]
+    rk: Any
+
+
 @app.post("/user_src")  # 接收用户1发送的信息
-async def receive_user_src_message(message: Request):
+async def receive_user_src_message(message: Req):
     global client_ip_src, client_ip_des
     # kfrag , capsule_ct ,client_ip_src , client_ip_des   = json_data[]  # 看梁俊勇
     """
@@ -83,12 +91,11 @@ async def receive_user_src_message(message: Request):
             "rk": rk_list[i],
         }
     """
-
-    data = await message.json()
-    source_ip = data.get("source_ip")
-    dest_ip = data.get("dest_ip")
-    capsule_ct = data.get("capsule_ct")
-    rk = data.get("rk")
+    print(type(message))
+    source_ip = message.source_ip
+    dest_ip = message.dest_ip
+    capsule_ct = message.capsule_ct
+    rk = message.rk
 
     processed_message = ReEncrypt(rk, capsule_ct)
     await send_user_des_message(source_ip, dest_ip, processed_message)