diff --git a/arch/arm64/configs/openeuler_defconfig b/arch/arm64/configs/openeuler_defconfig
index 73cd7d9c9a78235617cdfc205c0fbee6394b62f3..66124b991d96bc782fb1be57d2d41960fcd1aee0 100644
--- a/arch/arm64/configs/openeuler_defconfig
+++ b/arch/arm64/configs/openeuler_defconfig
@@ -380,7 +380,7 @@ CONFIG_ARM64_PA_BITS=52
 CONFIG_CPU_LITTLE_ENDIAN=y
 CONFIG_SCHED_MC=y
 CONFIG_SCHED_SMT=y
-CONFIG_NR_CPUS=1024
+CONFIG_NR_CPUS=4096
 CONFIG_HOTPLUG_CPU=y
 # CONFIG_ARM64_BOOTPARAM_HOTPLUG_CPU0 is not set
 CONFIG_NUMA=y