diff --git a/Ubiquitous/XiZi_IIoT/board/xidatong-riscv64/link.lds b/Ubiquitous/XiZi_IIoT/board/xidatong-riscv64/link.lds
index 60b6f3a21..684f8f370 100644
--- a/Ubiquitous/XiZi_IIoT/board/xidatong-riscv64/link.lds
+++ b/Ubiquitous/XiZi_IIoT/board/xidatong-riscv64/link.lds
@@ -10,7 +10,7 @@
 * See the Mulan PSL v2 for more details.
 */
 
-__STACKSIZE__ = 8192;
+__STACKSIZE__ = 6144;
 OUTPUT_ARCH( "riscv" )
 MEMORY
 {