diff --git a/sdkconfig.defaults b/sdkconfig.defaults
index f659affb..be3817ac 100644
--- a/sdkconfig.defaults
+++ b/sdkconfig.defaults
@@ -77,9 +77,10 @@ CONFIG_SPIRAM_SIZE=-1
 CONFIG_SPIRAM_SPEED_80M=y
 CONFIG_SPIRAM_MEMTEST=y
 CONFIG_SPIRAM_CACHE_WORKAROUND=y
-CONFIG_SPIRAM_MALLOC_ALWAYSINTERNAL=512
-CONFIG_SPIRAM_MALLOC_RESERVE_INTERNAL=32768
+CONFIG_SPIRAM_MALLOC_ALWAYSINTERNAL=256
+CONFIG_SPIRAM_MALLOC_RESERVE_INTERNAL=65536
 CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY=y
+CONFIG_SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY=y
 CONFIG_SPIRAM_OCCUPY_VSPI_HOST=y
 CONFIG_SPIRAM_BANKSWITCH_ENABLE=n
 CONFIG_D0WD_PSRAM_CLK_IO=17
@@ -113,6 +114,7 @@ CONFIG_ESP32_PHY_MAX_WIFI_TX_POWER=20
 CONFIG_ESP32_PHY_MAX_TX_POWER=20
 CONFIG_FREERTOS_HZ=100
 CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=32
+CONFIG_LWIP_UDP_RECVMBOX_SIZE=32
 CONFIG_LWIP_NETIF_LOOPBACK=y
 CONFIG_LWIP_TCP_MSL=60000
 CONFIG_LWIP_TCP_SND_BUF_DEFAULT=8192