feat: wifi升级失败，5s后重启

qianjiang/main/simple_ota_example.c

@@ -144,6 +144,16 @@ void simple_ota_example_task(void *pvParameter)
         esp_restart();
     } else {
         ESP_LOGE(TAG, "Firmware upgrade failed");
+        for(i = 5; i > 0; i--)
+        {
+            printf("============ System will restart in %d second. ============\n", i);
+            vTaskDelay(1000 / portTICK_PERIOD_MS);
+        }
+        // printf("============         System rebooting...      ============\n");
+        // printf("==========================================================\n");
+        // printf("\n");
+
+        esp_restart();
     }
     while (1) {
         vTaskDelay(1000 / portTICK_PERIOD_MS);