diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/usb_service/usb_host.c b/Ubiquitous/XiZi_AIoT/services/drivers/usb/usb_service/usb_host.c
index 709b2097c..623c6b53e 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/usb_service/usb_host.c
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/usb_service/usb_host.c
@@ -37,7 +37,7 @@ int ipc_rndis_server_init(void *para)
 /* IPC lwip client */
 struct Session *g_session_lwip = NULL;
 
-int ipc_lwip_client_init(void)
+int ipc_lwip_client_init(void *para)
 {
     struct Session *session;
 
@@ -46,10 +46,11 @@ int ipc_lwip_client_init(void)
         printf("No memory to alloc for LWIPServer session\r\n");
         return -ENOMEM;
     }
-    if(connect_session(session, "LWIPServer", 4096) < 0) {
-        printf("connect LWIPServer session failed\n");
-        return -1;
+
+    while (connect_session(session, "LWIPServer", 4096) < 0) {
+        usb_osal_msleep(1000);
     }
+    printf("connect LWIPServer session success.\r\n");
     g_session_lwip = session;
 
     return 0;
@@ -63,12 +64,17 @@ int lwip_rndis_data_recv(void *dataptr, size_t len)
 
 void ipc_rndis_init(void){
     int tid;
+    int tid_client;
 
-    ipc_lwip_client_init();
     tid = thread(ipc_rndis_server_init, "ipc_rndis_server", NULL);
     if(tid < 0){
         printf("create thread ipc_rndis_server failed.\r\n");
     }
+
+    tid_client = thread(ipc_lwip_client_init, "ipc_rndis_lwip_client", NULL);
+    if(tid < 0){
+        printf("create thread ipc_rndis_server failed.\r\n");
+    }
 }
 
 static void usb_init(int id)
@@ -93,7 +99,7 @@ int main(int argc, char* argv[])
             return -EINVAL;
         }
     }
-    printf("usb3 id % init.\n", id);
+    printf("main usb3 id(%d) init.\r\n", id);
     usb_init(id);
 
     ipc_rndis_init();