diff --git a/boards/risc-v/k210/maix-bit/configs/nsh/defconfig b/boards/risc-v/k210/maix-bit/configs/nsh/defconfig
index 41e912783a1..9c2d0747f93 100644
--- a/boards/risc-v/k210/maix-bit/configs/nsh/defconfig
+++ b/boards/risc-v/k210/maix-bit/configs/nsh/defconfig
@@ -16,7 +16,7 @@ CONFIG_ARCH_INTERRUPTSTACK=2048
 CONFIG_ARCH_RISCV=y
 CONFIG_ARCH_STACKDUMP=y
 CONFIG_BINFMT_DISABLE=y
-CONFIG_BOARD_LOOPSPERMSEC=15000
+CONFIG_BOARD_LOOPSPERMSEC=46000
 CONFIG_BUILTIN=y
 CONFIG_DEBUG_FULLOPT=y
 CONFIG_DEBUG_SYMBOLS=y
@@ -37,7 +37,6 @@ CONFIG_NSH_DISABLE_MKDIR=y
 CONFIG_NSH_DISABLE_RM=y
 CONFIG_NSH_DISABLE_RMDIR=y
 CONFIG_NSH_DISABLE_UMOUNT=y
-CONFIG_NSH_FILEIOSIZE=64
 CONFIG_NSH_READLINE=y
 CONFIG_NSH_STRERROR=y
 CONFIG_PREALLOC_TIMERS=4
diff --git a/boards/risc-v/k210/maix-bit/configs/smp/defconfig b/boards/risc-v/k210/maix-bit/configs/smp/defconfig
index ea3ecde537d..4d91102afe9 100644
--- a/boards/risc-v/k210/maix-bit/configs/smp/defconfig
+++ b/boards/risc-v/k210/maix-bit/configs/smp/defconfig
@@ -16,7 +16,7 @@ CONFIG_ARCH_INTERRUPTSTACK=2048
 CONFIG_ARCH_RISCV=y
 CONFIG_ARCH_STACKDUMP=y
 CONFIG_BINFMT_DISABLE=y
-CONFIG_BOARD_LOOPSPERMSEC=15000
+CONFIG_BOARD_LOOPSPERMSEC=46000
 CONFIG_BUILTIN=y
 CONFIG_BUILTIN_PROXY_STACKSIZE=2048
 CONFIG_DEBUG_FULLOPT=y
@@ -40,7 +40,6 @@ CONFIG_NSH_DISABLE_MKDIR=y
 CONFIG_NSH_DISABLE_RM=y
 CONFIG_NSH_DISABLE_RMDIR=y
 CONFIG_NSH_DISABLE_UMOUNT=y
-CONFIG_NSH_FILEIOSIZE=64
 CONFIG_NSH_READLINE=y
 CONFIG_NSH_STRERROR=y
 CONFIG_POSIX_SPAWN_PROXY_STACKSIZE=2048