diff --git a/TC1/TC1.mk b/TC1/TC1.mk
index 4ab25cc..76a17c4 100644
--- a/TC1/TC1.mk
+++ b/TC1/TC1.mk
@@ -34,7 +34,8 @@ $(NAME)_SOURCES := main.c\
 				   user_power.c\
 				   timed_task/timed_task.c\
 				   http_server/web_log.c\
-				   http_server/app_httpd.c
+				   http_server/app_httpd.c\
+				   udp_server/udp_server.c
 				   
 $(NAME)_COMPONENTS := protocols/SNTP\
 					protocols/mqtt\
diff --git a/TC1/main.c b/TC1/main.c
index 00f88aa..30b3838 100644
--- a/TC1/main.c
+++ b/TC1/main.c
@@ -11,6 +11,7 @@
 #include "time_server/user_rtc.h"
 #include "user_power.h"
 #include "http_server/app_httpd.h"
+#include "udp_server/udp_server.h"
 #include "timed_task/timed_task.h"
 
 char rtc_init = 0; //sntp校时成功标志位
@@ -189,7 +190,7 @@ int application_start(void) {
     require_noerr(err, exit);
     PowerInit();
     AppHttpdStart(); // start http server thread
-
+    udp_server_start();
     UserLedSet(user_config->power_led_enabled);
 
     err = mico_rtos_create_thread(NULL, MICO_APPLICATION_PRIORITY, "p_count",
diff --git a/TC1/udp_server/udp_server.c b/TC1/udp_server/udp_server.c
new file mode 100644
index 0000000..1207ee8
--- /dev/null
+++ b/TC1/udp_server/udp_server.c
@@ -0,0 +1,137 @@
+#include "mico.h"
+#include "SocketUtils.h"
+#include "json_c/json.h"
+#include "mqtt_server/user_mqtt_client.h"
+#include "user_power.h"
+#include "main.h"
+#include "user_gpio.h"
+#include "user_wifi.h"
+#include "http_server/app_httpd.h"
+
+
+#define UDP_SERVER_IP       "192.168.31.226"
+#define UDP_SERVER_PORT     2738
+#define DEVICE_ID           "plug01"
+#define AUTH_KEY            "test"
+
+static int udp_fd = -1;
+static struct sockaddr_in server_addr;
+static bool is_authenticated = false;
+
+void send_udp_json(json_object *json) {
+    if (udp_fd < 0) return;
+
+    const char *msg = json_object_to_json_string(json);
+    sendto(udp_fd, msg, strlen(msg), 0, (struct sockaddr *)&server_addr, sizeof(server_addr));
+}
+
+void send_login_packet(void) {
+    json_object *j = json_object_new_object();
+    json_object_object_add(j, "type", json_object_new_string("login"));
+    json_object_object_add(j, "auth_key", json_object_new_string(AUTH_KEY));
+    json_object_object_add(j, "device_id", json_object_new_string(DEVICE_ID));
+
+    send_udp_json(j);
+    json_object_put(j);
+}
+
+void send_status_packet(const char *status) {
+    if (!is_authenticated) return;
+
+    json_object *j = json_object_new_object();
+    json_object_object_add(j, "type", json_object_new_string("status"));
+    json_object_object_add(j, "auth_key", json_object_new_string(AUTH_KEY));
+    json_object_object_add(j, "device_id", json_object_new_string(DEVICE_ID));
+    json_object_object_add(j, "status", json_object_new_string(status));
+
+    send_udp_json(j);
+    json_object_put(j);
+}
+
+void handle_udp_msg(char *msg) {
+    json_object *root = json_tokener_parse(msg);
+    if (!root) return;
+
+    const char *type = json_object_get_string(json_object_object_get(root, "type"));
+
+    if (strcmp(type, "login_ack") == 0) {
+        const char *result = json_object_get_string(json_object_object_get(root, "result"));
+        if (strcmp(result, "ok") == 0) {
+            is_authenticated = true;
+        }
+    } else if (strcmp(type, "control") == 0 && is_authenticated) {
+        const char *cmd = json_object_get_string(json_object_object_get(root, "command"));
+        // TODO: 控制插座硬件
+        if (strcmp(cmd, "turn_on") == 0) {
+            // gpio_output_high(PLUG_PIN);
+        } else if (strcmp(cmd, "turn_off") == 0) {
+            // gpio_output_low(PLUG_PIN);
+        }
+    }
+
+    json_object_put(root);
+}
+
+void udp_recv_loop(void) {
+    char buf[256];
+    while (1) {
+        if (udp_fd >= 0) {
+            int len = recvfrom(udp_fd, buf, sizeof(buf) - 1, 0, NULL, 0);
+            if (len > 0) {
+                buf[len] = '\0';
+                handle_udp_msg(buf);
+            }
+        }
+        mico_thread_sleep(1);
+    }
+}
+
+void udp_heartbeat_loop(void) {
+    while (1) {
+        if (udp_fd < 0) {
+            udp_fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+            if (udp_fd < 0) {
+                mico_thread_sleep(3);
+                continue;
+            }
+
+            memset(&server_addr, 0, sizeof(server_addr));
+            server_addr.sin_family = AF_INET;
+            server_addr.sin_port = htons(UDP_SERVER_PORT);
+            server_addr.sin_addr.s_addr = inet_addr(UDP_SERVER_IP);
+        }
+
+        if (!is_authenticated) {
+            send_login_packet();
+        } else {
+            char *sockets = GetSocketStatus();
+            char *short_click_config = GetButtonClickConfig();
+            char *tc1_status = malloc(1500);
+            char *socket_names = malloc(512);
+            sprintf(socket_names, "%s,%s,%s,%s,%s,%s",
+                    user_config->socket_names[0],
+                    user_config->socket_names[1],
+                    user_config->socket_names[2],
+                    user_config->socket_names[3],
+                    user_config->socket_names[4],
+                    user_config->socket_names[5]);
+            sprintf(tc1_status, TC1_STATUS_JSON, sockets, ip_status.mode,
+                    sys_config->micoSystemConfig.ssid, sys_config->micoSystemConfig.user_key,
+                    user_config->ap_name, user_config->ap_key, MQTT_SERVER, MQTT_SERVER_PORT,
+                    MQTT_SERVER_USR, MQTT_SERVER_PWD,
+                    VERSION, ip_status.ip, ip_status.mask, ip_status.gateway, user_config->mqtt_report_freq,
+                    user_config->power_led_enabled, 0L, socket_names, childLockEnabled,
+                    sys_config->micoSystemConfig.name, short_click_config);
+            send_status_packet(tc1_status);
+            if (socket_names) free(socket_names);
+            if (tc1_status) free(tc1_status);
+        }
+
+        mico_thread_sleep(5);
+    }
+}
+
+extern void udp_server_start(void) {
+    mico_rtos_create_thread(NULL, MICO_APPLICATION_PRIORITY, "udp_recv", udp_recv_loop, 0x800, NULL);
+    mico_rtos_create_thread(NULL, MICO_APPLICATION_PRIORITY, "udp_send", udp_heartbeat_loop, 0x800, NULL);
+}
\ No newline at end of file
diff --git a/TC1/udp_server/udp_server.h b/TC1/udp_server/udp_server.h
new file mode 100644
index 0000000..7294e21
--- /dev/null
+++ b/TC1/udp_server/udp_server.h
@@ -0,0 +1,6 @@
+#ifndef UDP_SERVER_H
+#define UDP_SERVER_H
+
+extern void udp_server_start(void);
+
+#endif
\ No newline at end of file
diff --git a/mico-os/libraries/daemons/http_server/httpd.c b/mico-os/libraries/daemons/http_server/httpd.c
index b1b02c9..4feb655 100644
--- a/mico-os/libraries/daemons/http_server/httpd.c
+++ b/mico-os/libraries/daemons/http_server/httpd.c
@@ -51,7 +51,7 @@ httpd_state_t httpd_state;
 static mico_thread_t httpd_main_thread;
 
 // 0x8000 不行
-#define http_server_thread_stack_size 0x6000
+#define http_server_thread_stack_size 0x5000
 
 /* Why HTTPD_MAX_MESSAGE + 2?
  * Handlers are allowed to use HTTPD_MAX_MESSAGE bytes of this buffer.