diff --git a/main/main.cpp b/main/main.cpp
index e9937e1..7f28869 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -62,6 +62,10 @@ typedef struct
     bool fire_danger;
     bool human_present;
     bool door_closed;
+    bool fan_on;
+    bool light_on;
+    bool cool_on;
+    bool hot_on;
 } env_data_t;
 
 static env_data_t s_env_data;
@@ -166,6 +170,56 @@ static void status_task(void *arg)
     }
 }
 
+static const char *relay_status_text(bool on)
+{
+    return on ? "开" : "关";
+}
+
+static void relay_status_task(void *arg)
+{
+    (void)arg;
+
+    for (;;)
+    {
+        bool relay_on = false;
+
+        if (relay_ctrl_get(RELAY_CTRL_ID_1, &relay_on) == ESP_OK) {
+            set_var_fan_status(relay_status_text(relay_on));
+            if (s_env_data_lock) {
+                xSemaphoreTake(s_env_data_lock, portMAX_DELAY);
+                s_env_data.fan_on = relay_on;
+                xSemaphoreGive(s_env_data_lock);
+            }
+        }
+        if (relay_ctrl_get(RELAY_CTRL_ID_2, &relay_on) == ESP_OK) {
+            set_var_light_status(relay_status_text(relay_on));
+            if (s_env_data_lock) {
+                xSemaphoreTake(s_env_data_lock, portMAX_DELAY);
+                s_env_data.light_on = relay_on;
+                xSemaphoreGive(s_env_data_lock);
+            }
+        }
+        if (relay_ctrl_get(RELAY_CTRL_ID_3, &relay_on) == ESP_OK) {
+            set_var_cool_status(relay_status_text(relay_on));
+            if (s_env_data_lock) {
+                xSemaphoreTake(s_env_data_lock, portMAX_DELAY);
+                s_env_data.cool_on = relay_on;
+                xSemaphoreGive(s_env_data_lock);
+            }
+        }
+        if (relay_ctrl_get(RELAY_CTRL_ID_4, &relay_on) == ESP_OK) {
+            set_var_hot_status(relay_status_text(relay_on));
+            if (s_env_data_lock) {
+                xSemaphoreTake(s_env_data_lock, portMAX_DELAY);
+                s_env_data.hot_on = relay_on;
+                xSemaphoreGive(s_env_data_lock);
+            }
+        }
+
+        vTaskDelay(pdMS_TO_TICKS(200));
+    }
+}
+
 static void sntp_task(void *arg)
 {
     (void)arg;
@@ -318,6 +372,14 @@ extern "C" void app_main(void)
         {.pin = GPIO_NUM_9, .active_high = true},
     };
     ESP_ERROR_CHECK(relay_ctrl_init(relay_cfg));
+    set_var_fan_status("关");
+    set_var_light_status("关");
+    set_var_cool_status("关");
+    set_var_hot_status("关");
+    s_env_data.fan_on = false;
+    s_env_data.light_on = false;
+    s_env_data.cool_on = false;
+    s_env_data.hot_on = false;
 
     // 5. 初始化 I2C 总线并注册传感器 (共享总线)
     ESP_ERROR_CHECK(bh1750_user_init());
@@ -422,4 +484,7 @@ extern "C" void app_main(void)
 
     // 独立任务：人体与门状态检测
     xTaskCreate(status_task, "status_task", 4096, NULL, 6, NULL);
+
+    // 独立任务：继电器状态同步到 UI
+    xTaskCreate(relay_status_task, "relay_status_task", 4096, NULL, 5, NULL);
 }