diff --git a/APP/AT32F437xM_FLASH.ld b/APP/AT32F437xM_FLASH.ld
index 9b6f618..f6426fa 100755
--- a/APP/AT32F437xM_FLASH.ld
+++ b/APP/AT32F437xM_FLASH.ld
@@ -22,7 +22,7 @@
 ENTRY(Reset_Handler)
 
 /* Highest address of the user mode stack */
-_estack = 0x20080000;    /* end of RAM */
+_estack = 0x20060000;    /* end of RAM */
 
 /* Generate a link error if heap and stack don't fit into RAM */
 _Min_Heap_Size = 0x200;      /* required amount of heap  */
diff --git a/APP/main.c b/APP/main.c
index 49399b5..a4fa0d3 100755
--- a/APP/main.c
+++ b/APP/main.c
@@ -231,7 +231,7 @@ __NO_RETURN int main() {
 
     FirmwareLoader_Init(&FIRMWARE_LOADER, FIRMWARE_AREA_LENGTH, FIRMWARE_MAIN_ADDR, FIRMWARE_UPDATE_ADDR);
 
-//    FirmwareLoader_RunFirmware(&FIRMWARE_LOADER);
+    FirmwareLoader_RunFirmware(&FIRMWARE_LOADER);
 
     Gpios_Init();
     Rtcs_Init();