修复了网络参数的保存逻辑

App/time_sync.c

@@ -114,6 +114,9 @@ void time_sync_task(void *argument) {
     }
 
     for (;;) {
+        /* 记录本次监听对应的网络代次；代次变化（网络重建）则放弃旧监听重建 */
+        uint32_t gen = net_get_generation();
+
         int ls = time_sync_open_listener();
         if (ls < 0) {
             DBG_ERROR("time_sync: open listener FAIL, retry later");
@@ -126,10 +129,19 @@ void time_sync_task(void *argument) {
         do {
             conn = net_accept(ls, NULL, NULL);
             if (conn < 0) {
+                if (net_get_generation() != gen) {
+                    net_close(ls);   /* 网络重建：旧监听失效，回外层重建 */
+                    break;
+                }
                 vTaskDelay(pdMS_TO_TICKS(200));
             }
         } while (conn < 0);
 
+        if (conn < 0) {
+            DBG_INFO("time_sync: network re-init, relisten");
+            continue;
+        }
+
         time_sync_handle_conn(conn);
         /* conn（单连接模式下即 ls）已被 net_close 释放，下次循环重建监听 */