diff --git a/CanUds.c b/CanUds.c
index ddf16d4..922f80c 100644
--- a/CanUds.c
+++ b/CanUds.c
@@ -11,6 +11,7 @@
 #include "SystemDelayInterface.h"
 #include "candb.h"
 #include "stdio.h"
+#include "fc7xxx_driver_flash.h"
 
 #define LOG_SIGN "CAN_UDS"
 #define LOGGER env->logger
@@ -953,6 +954,8 @@ static uint16_t vUDS_routine_Compare_Checksum(tCanUds *env, eUdsRoutineControlTy
     return 4 + 1;
 }
 
+uint8_t zzz[2048];
+
 static uint16_t vUDS_routine_Erase_Memory(tCanUds *env, eUdsRoutineControlType udsRoutineControlType) {
 
     eUdsRoutineStartStopRoutineResult udsStartStopRoutineResult = UDS_routine_RoutineStartStopSuccess;
@@ -960,7 +963,16 @@ static uint16_t vUDS_routine_Erase_Memory(tCanUds *env, eUdsRoutineControlType u
 
     if ((udsRoutineControlType == UDS_routine_StartRoutine) || (udsRoutineControlType == UDS_routine_StopRoutine)) {
 
-        bool result = env->clear_flash_func(0x01010000, 1 * 2048);
+        bool result = env->clear_flash_func(0x01100000, 512 * 1024);
+
+
+//        bool result = FLASHDRIVER_FlashEraseBlock(FLASH_BLOCK_SELECT1);
+
+        uint32_t adr = 0x01100000;
+        for (uint32_t i = 0; i < 256; ++i) {
+            env->write_flash_func(adr, zzz, 2048);
+            adr += 2048;
+        }
 
         if (result) {
             env->dataResponse[4] = UDS_routine_RoutineStartStopSuccess;