diff --git a/build/tools/amebasmart/gnu_utility/bl32.bin b/build/tools/amebasmart/gnu_utility/bl32.bin
index 88f4b762c5..994c6fa22c 100644
Binary files a/build/tools/amebasmart/gnu_utility/bl32.bin and b/build/tools/amebasmart/gnu_utility/bl32.bin differ
diff --git a/os/board/rtl8730e/src/component/file_system/ftl/ftl.c b/os/board/rtl8730e/src/component/file_system/ftl/ftl.c
index 41b85ce6b2..2207cbdab0 100755
--- a/os/board/rtl8730e/src/component/file_system/ftl/ftl.c
+++ b/os/board/rtl8730e/src/component/file_system/ftl/ftl.c
@@ -132,7 +132,7 @@ uint16_t read_mapping_table(uint16_t logical_addr);
 #endif
 
 /* Flash Status Bit */
-#define FLASH_STATUS_BITS 0x2c
+#define FLASH_STATUS_BITS 0x28 //Protect Lower 512KB
 uint32_t backup_state = 0;
 
 static void ftl_setstatusbits(uint32_t NewState)
diff --git a/os/se/ameba/rtl_security_api_wrapper_tz.c b/os/se/ameba/rtl_security_api_wrapper_tz.c
index 3495d01479..fd6a14ef59 100644
--- a/os/se/ameba/rtl_security_api_wrapper_tz.c
+++ b/os/se/ameba/rtl_security_api_wrapper_tz.c
@@ -33,8 +33,16 @@ typedef struct {
 	void (*info_printf)(const char *);
 } nsfunc_ops_s;
 
-/* Flash Status Bit */
+/* Flash Status Bit Protect Lower 512KB */
+#ifdef CONFIG_AMEBAD_TRUSTZONE
 #define FLASH_STATUS_BITS 0x2c
+#endif
+#ifdef CONFIG_AMEBALITE_TRUSTZONE
+#define FLASH_STATUS_BITS 0x2c
+#endif
+#ifdef CONFIG_AMEBASMART_TRUSTZONE
+#define FLASH_STATUS_BITS 0x28
+#endif
 
 nsfunc_ops_s ns_func;