diff --git a/rtl/core/defines.sv b/rtl/core/defines.sv
index 89250f8..5d55581 100644
--- a/rtl/core/defines.sv
+++ b/rtl/core/defines.sv
@@ -19,7 +19,7 @@
 `define JTAG_RESET_FF_LEVELS 5
 
 `define ROM_DEPTH           (32 * 1024)                     // 指令存储器深度，单位为word(4字节)
-`define RAM_DEPTH           ( 8 * 1024)                     // 数据存储器深度，单位为word(4字节)
+`define RAM_DEPTH           (16 * 1024)                     // 数据存储器深度，单位为word(4字节)
 
 // 外设地址、大小
 // ROM
diff --git a/sdk/bsp/link.lds b/sdk/bsp/link.lds
index c687ccb..dd24619 100644
--- a/sdk/bsp/link.lds
+++ b/sdk/bsp/link.lds
@@ -5,13 +5,13 @@ ENTRY(_start)
 MEMORY
 {
   flash (wxa!ri) : ORIGIN = 0x00000000, LENGTH = 32K
-  ram (wxa!ri) :   ORIGIN = 0x20000000, LENGTH = 8K
+  ram (wxa!ri) :   ORIGIN = 0x20000000, LENGTH = 16K
 }
 
 
 SECTIONS
 {
-   __stack_size = DEFINED(__stack_size) ? __stack_size : 2K;
+   __stack_size = DEFINED(__stack_size) ? __stack_size : 8K;
 
   .init           :
   {