diff --git a/Core/startup_stm32h743xx.s b/Core/startup_stm32h743xx.s
index f8c14b5..6a017e6 100644
--- a/Core/startup_stm32h743xx.s
+++ b/Core/startup_stm32h743xx.s
@@ -30,7 +30,9 @@
 ;   <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
 ; </h>
 
-Stack_Size      EQU     0x00000400
+;Stack_Size      EQU     0x00000400
+;栈大小设置为 262144 Bytes
+Stack_Size      EQU     0x00040000
 
                 AREA    STACK, NOINIT, READWRITE, ALIGN=3
 Stack_Mem       SPACE   Stack_Size
@@ -41,7 +43,9 @@ __initial_sp
 ;   <o>  Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
 ; </h>
 
-Heap_Size       EQU     0x00000200
+;Heap_Size       EQU     0x00000200
+;堆大小设置为 262144 Bytes
+Heap_Size       EQU     0x00040000
 
                 AREA    HEAP, NOINIT, READWRITE, ALIGN=3
 __heap_base