diff --git a/app/drivers/data_port/socket_inet/socket_inet_server.c b/app/drivers/data_port/socket_inet/socket_inet_server.c
index b4c9c61..863237a 100644
--- a/app/drivers/data_port/socket_inet/socket_inet_server.c
+++ b/app/drivers/data_port/socket_inet/socket_inet_server.c
@@ -200,6 +200,14 @@ static int _port_udp_write(sb_data_port_t *port, const void *data, uint32_t size
 {
     __port_data_t *port_data = port->data;
     int err = sendto(port_data->sock, data, size, 0, (struct sockaddr *)&port_data->udp.dest_addr, sizeof(port_data->udp.dest_addr));
+
+    // char ip_str[INET6_ADDRSTRLEN]; // 兼容 IPv4 和 IPv6
+    // uint16_t test = 0;
+    // struct sockaddr_in *addr4 =(struct sockaddr_in *)&port_data->udp.dest_addr;
+    // inet_ntop(AF_INET, &addr4->sin_addr, ip_str, sizeof(ip_str));
+    // test = ntohs(addr4->sin_port);
+    // SYS_LOG_WRN("IPv4: %s:%u\n", ip_str, test);
+
     if (err < 0)
     {
         SYS_LOG_WRN("Error occurred during sending: errno %d", errno);
@@ -1206,6 +1214,20 @@ void socket_inet_server_init(void)
     slist_init_list(&p_cm->udp_list);
     slist_init_list(&p_cm->tcp_list);
 }
+/**
+ * @brief 设置 udp 的广播地址  以及端口
+ *
+ * @param port 接口
+ */
+void set_udp_broadcast_add(sb_data_port_t* port)
+{
+    __port_data_t *port_data = port->data;
+    
+    struct sockaddr_in *dest_addr_ipv4 = (struct sockaddr_in *)&port_data->udp.dest_addr;
+    dest_addr_ipv4->sin_family = AF_INET;            // IPv4 协议族
+    dest_addr_ipv4->sin_port = htons(port_data->listen_port); // 端口
+    dest_addr_ipv4->sin_addr.s_addr = inet_addr("255.255.255.255"); // 例如广播地址
+}
 
 /**
  * @brief 创建一个 udp 本地服务监听端口，同时为已启动监听的端口绑定一个数据接口。
@@ -1229,6 +1251,7 @@ sb_data_port_t *socket_inet_server_bind_udp(uint16_t listen_port, const socket_s
 
         SYS_LOG_INF("bind udp: %p", port);
     }
+    set_udp_broadcast_add(port);
     return port;
 }
 
diff --git a/app/drivers/sertrf/device.c b/app/drivers/sertrf/device.c
index 7eb6a88..410efc1 100644
--- a/app/drivers/sertrf/device.c
+++ b/app/drivers/sertrf/device.c
@@ -183,7 +183,7 @@ uint8_t wifi_init(init_device_t *port)
     wifi_init_t init_struct = {
         .ap = {
             .ssid = "Sertorf",    /**< SSID of soft-AP. If ssid_len field is 0, this must be a Null terminated string. Otherwise, length is set according to ssid_len. */
-            .password = "12345678", /**< Password of soft-AP. */
+            .password = "", /**< Password of soft-AP. */
             .ip_v4 = {192, 168, 1, 1},
             .gw_v4 = {192, 168, 1, 1},
             .mask_v4 = {255, 255, 255, 0},