diff --git a/efuse-hal-lib/lib/src/efuse-api.h b/efuse-hal-lib/lib/src/efuse-api.h
index 1406e7d..5e592b5 100644
--- a/efuse-hal-lib/lib/src/efuse-api.h
+++ b/efuse-hal-lib/lib/src/efuse-api.h
@@ -43,6 +43,18 @@ typedef enum {
 	SECURE_BOOT_EN = 0x5a5a5a5a,
 } sboot_st_t;
 
+enum life_cycle_e {
+	LC_INIT = 0,
+	LC_DEV,
+	LC_OEM,
+	LC_PRO,
+	LC_RMA,
+	LC_RIP,
+	LC_KILL_KEY1,
+	LC_KILL_KEY0,
+	LC_MAX,
+};
+
 /**
  * csi_efuse_get_chipid() - Get chip id in eFuse
  *
@@ -374,4 +386,18 @@ int csi_efuse_update_lc_rma();
  */
 int csi_efuse_update_lc_rip();
 
+/**
+ * csi_efuse_get_lc_preld() - get efuse life cycle preld
+ * @lc_name: the output name of life cycle preld
+ * Return: 0: Success others: Failed
+ */
+int csi_efuse_get_lc_preld(char *lc_name);
+
+/*
+ * csi_efuse_update_lc(enum life_cycle_e life_cycle)
+ * @life_cycle: the life cycle to set
+ * Return: 0: Success others: Failed
+ */
+int csi_efuse_update_lc(enum life_cycle_e life_cycle);
+
 #endif
diff --git a/efuse-hal-lib/lib/src/light-efuse-hal.c b/efuse-hal-lib/lib/src/light-efuse-hal.c
index 935147d..4f70004 100644
--- a/efuse-hal-lib/lib/src/light-efuse-hal.c
+++ b/efuse-hal-lib/lib/src/light-efuse-hal.c
@@ -1505,3 +1505,113 @@ int csi_efuse_update_lc_rip()
 	return 0;
 }
 
+int csi_efuse_get_lc_preld(char *lc_name)
+{
+	int fd, ret;
+	char data[30] = {0};
+	unsigned int lf = 0;
+	const char *dev_path = "/sys/devices/platform/soc/ffff210000.efuse/lc_preld";
+	char *str;
+
+	assert(lc_name);
+
+	fd = open(dev_path, O_RDONLY);
+	if (fd < 0) {
+		printf("failed to open device '%s' (%d)\n", dev_path, -errno);
+		return -errno;
+	}
+
+	ret = read(fd, data, 30);
+	if (ret < 0){
+		printf("failed to read lifecycle from preld area\n");
+		return -errno;
+	}
+
+	lf = strtoul(data, NULL, 16);
+
+	switch (lf) {
+	case 0xC44ACFCF:
+		str = "LC_INIT";
+	break;
+	case 0xCA410C33:
+		str = "LC_DEV";
+	break;
+	case 0x548411A6:
+		str = "LC_OEM";
+	break;
+	case 0xABB00F15:
+		str = "LC_PRO";
+	break;
+	case 0x67E93416:
+		str = "LC_RMA";
+	break;
+	case 0x9fCAE0EA:
+		str = "LC_RIP";
+	break;
+	default:
+		str = "LC_MAX";
+		return -EINVAL;
+	}
+
+	strcpy(lc_name, str);
+
+	close(fd);
+
+	return 0;
+}
+
+/*
+ * csi_efuse_update_lc(enum life_cycle_e life_cycle)
+ * @life_cycle: the life cycle to set
+ * Return: 0: Success others: Failed
+ */
+int csi_efuse_update_lc(enum life_cycle_e life_cycle)
+{
+	int fd, ret = 0;
+	char *lf;
+	const char *dev_path = "/sys/devices/platform/soc/ffff210000.efuse/update_lc";
+
+	fd = open(dev_path, O_WRONLY);
+	if (fd < 0) {
+		printf("failed to open device '%s' (%d)\n", dev_path, -errno);
+		return -errno;
+	}
+
+	switch (life_cycle) {
+	case LC_DEV:
+		lf = "LC_DEV";
+	break;
+	case LC_OEM:
+		lf = "LC_OEM";
+	break;
+	case LC_PRO:
+		lf = "LC_PRO";
+	break;
+	case LC_RMA:
+		lf = "LC_RMA";
+	break;
+	case LC_RIP:
+		lf = "LC_RIP";
+	break;
+	case LC_KILL_KEY1:
+		lf = "LC_KILL_KEY1";
+	break;
+	case LC_KILL_KEY0:
+		lf = "LC_KILL_KEY0";
+	break;
+	default:
+		ret = -EINVAL;
+		goto exit;
+	}
+
+	ret = write(fd, lf, strlen(lf));
+	if (ret < 0)
+		printf("failed to update efuse life cycle(%d)\n", ret);
+	else
+		ret = 0;
+
+exit:
+	close(fd);
+
+	return ret;
+}
diff --git a/efuse-hal-lib/lib/src/light-efuse-hal.o b/efuse-hal-lib/lib/src/light-efuse-hal.o
deleted file mode 100644
index 853ea5b..0000000
Binary files a/efuse-hal-lib/lib/src/light-efuse-hal.o and /dev/null differ
diff --git a/efuse-hal-lib/test/efuse_demo/efuse-api.h b/efuse-hal-lib/test/efuse_demo/efuse-api.h
index 1406e7d..5e592b5 100644
--- a/efuse-hal-lib/test/efuse_demo/efuse-api.h
+++ b/efuse-hal-lib/test/efuse_demo/efuse-api.h
@@ -43,6 +43,18 @@ typedef enum {
 	SECURE_BOOT_EN = 0x5a5a5a5a,
 } sboot_st_t;
 
+enum life_cycle_e {
+	LC_INIT = 0,
+	LC_DEV,
+	LC_OEM,
+	LC_PRO,
+	LC_RMA,
+	LC_RIP,
+	LC_KILL_KEY1,
+	LC_KILL_KEY0,
+	LC_MAX,
+};
+
 /**
  * csi_efuse_get_chipid() - Get chip id in eFuse
  *
@@ -374,4 +386,18 @@ int csi_efuse_update_lc_rma();
  */
 int csi_efuse_update_lc_rip();
 
+/**
+ * csi_efuse_get_lc_preld() - get efuse life cycle preld
+ * @lc_name: the output name of life cycle preld
+ * Return: 0: Success others: Failed
+ */
+int csi_efuse_get_lc_preld(char *lc_name);
+
+/*
+ * csi_efuse_update_lc(enum life_cycle_e life_cycle)
+ * @life_cycle: the life cycle to set
+ * Return: 0: Success others: Failed
+ */
+int csi_efuse_update_lc(enum life_cycle_e life_cycle);
+
 #endif
diff --git a/efuse-hal-lib/test/efuse_demo/light-efuse-test.c b/efuse-hal-lib/test/efuse_demo/light-efuse-test.c
index fb1775e..98d1428 100644
--- a/efuse-hal-lib/test/efuse_demo/light-efuse-test.c
+++ b/efuse-hal-lib/test/efuse_demo/light-efuse-test.c
@@ -410,18 +410,38 @@ void csi_efuse_gmac_macaddr_test()
 	printf("gmac mac0 address: %2x:%2x:%2x:%2x:%2x:%2x\n", r_mac1[0], r_mac1[1], r_mac1[2], r_mac1[3], r_mac1[4], r_mac1[5]);
 }
 
+void csi_efuse_get_lc_preld_test()
+{
+	char life_cycle[12] = {0};
+	int ret;
+
+	ret = csi_efuse_get_lc_preld(life_cycle);
+	if (ret) {
+		printf("ret = %d\n", ret);
+		return;
+	}
+	printf("lc_preld: %s\n", life_cycle);
+}
+
+void csi_efuse_update_lc_test()
+{
+	csi_efuse_update_lc(LC_DEV);
+	csi_efuse_update_lc(LC_RMA);
+}
+
 int main()
 {
+	printf("efuse testing....\n");
+	csi_efuse_update_lc_test();
 #if 0
+	csi_efuse_get_lc_preld_test();
 	csi_efuse_bl4_img_encrypt_test();
 	csi_efuse_bl2_img_encrypt_test();
 	csi_efuse_bl3_img_encrypt_test();
 	csi_efuse_get_bl1_version_test();
 	csi_efuse_get_hash_challenge_test();
 	csi_efuse_get_secure_boot_st_test();
-#endif
 	csi_efuse_offset_test();
-#if 0
 	csi_efuse_usr_brom_cct_test();
 	csi_efuse_usr_brom_usb_fastboot_test();
 	csi_efuse_boot_index_test();
@@ -432,9 +452,7 @@ int main()
 	csi_efuse_get_secure_boot_st_test();
 	csi_efuse_get_hash_challenge_test();
 	csi_efuse_userdata_group_test();
-#endif
 
-#if 0
 	efuse_chip_id_get_test();
 	csi_efuse_user_dbg_mode_test();
 	csi_efuse_boot_offset_test();
@@ -442,9 +460,7 @@ int main()
 	csi_efuse_bak_boot_offset_test();
 	csi_efuse_bak_boot_index_test();
 	csi_efuse_usr_brom_usb_fastboot_test();
-#endif
 
-#if 0
 	csi_efuse_usr_brom_cct_test();
 	printf("welcome to riscv world!!!\n");
 
@@ -457,13 +473,9 @@ int main()
 	csi_efuse_get_hash_challenge_test();
 	csi_efuse_userdata_group_test();
 	csi_efuse_offset_test();
-#endif
 
-#if 0
 	csi_efuse_update_lc_rma_test();
 	csi_efuse_update_lc_rip_test();
-#endif
-#if 0
 	csi_efuse_gmac_macaddr_test();
 #endif
 	return 0;
diff --git a/efuse-hal-lib/test/efuse_demo/light-efuse-test.o b/efuse-hal-lib/test/efuse_demo/light-efuse-test.o
deleted file mode 100644
index ae07ac8..0000000
Binary files a/efuse-hal-lib/test/efuse_demo/light-efuse-test.o and /dev/null differ
diff --git a/efuse-hal-lib/test/output/efuse_demo b/efuse-hal-lib/test/output/efuse_demo
deleted file mode 100755
index fb47c5e..0000000
Binary files a/efuse-hal-lib/test/output/efuse_demo and /dev/null differ