diff --git a/Makefile b/Makefile
index 5b3a50394f5a4aafffbee205095d0df028073851..3a557e324d5e9f700206a2da3d574b2ff0347264 100644
--- a/Makefile
+++ b/Makefile
@@ -61,7 +61,9 @@ EXTRA_CFLAGS += -DMAILBOX_POOL_COUNT=32 -DLATE_KILL_WHEN_TA_LOAD
 ifeq ($(CROSS_DOMAIN_PERF), y)
 EXTRA_CFLAGS += -DCROSS_DOMAIN_PERF
 endif
+ifeq ($(CPU_GROUP_BINDING), y)
 EXTRA_CFLAGS += -DCONFIG_CPU_GROUP_BINDING -DCONFIG_NUM_DIE=4 -DCONFIG_NUM_PHY_CORE_PER_DIE=40 -DCONFIG_NUM_TEE_PHY_CORE_PER_DIE=32 -DCONFIG_MAX_TEE_CORE=128
+endif
 
 all:
 	make -C $(KDIR) M=$(PWD) modules
diff --git a/README.md b/README.md
index 923156baa277e2305a2e76de76ea7f9a8ba6b152..f775af9616144f3814d223ced5eb9722e20969bd 100644
--- a/README.md
+++ b/README.md
@@ -29,6 +29,7 @@ itrustee_tzdriver
 5）make -C libboundscheck。
 
 6）make 编译出tzdriver.ko文件。
+   鲲鹏920B机型使用命令：`make PRODUCT=kp920b`
 
 #### 使用说明