diff --git a/configs/ls1088aqds_sdcard_ifc_defconfig b/configs/ls1088aqds_sdcard_ifc_defconfig
index a2bc106..0a7541d 100644
--- a/configs/ls1088aqds_sdcard_ifc_defconfig
+++ b/configs/ls1088aqds_sdcard_ifc_defconfig
@@ -31,6 +31,7 @@
 CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x1800fff0
 # CONFIG_SYS_MALLOC_F is not set
 CONFIG_REMAKE_ELF=y
+CONFIG_SYS_MONITOR_LEN=1048576
 CONFIG_MP=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_DYNAMIC_SYS_CLK_FREQ=y