diff --git a/bsp/asm9260t/platform/rt_low_level_keil.inc b/bsp/asm9260t/platform/rt_low_level_keil.inc
index c3cde15ded..7b3c8cfe99 100644
--- a/bsp/asm9260t/platform/rt_low_level_keil.inc
+++ b/bsp/asm9260t/platform/rt_low_level_keil.inc
@@ -29,4 +29,5 @@ ABT_STK_SIZE EQU 512
 IRQ_STK_SIZE EQU 1024
 FIQ_STK_SIZE EQU 1024
 SYS_STK_SIZE EQU 512
+Heap_Size    EQU 512
     END
diff --git a/bsp/asm9260t/rtconfig.h b/bsp/asm9260t/rtconfig.h
index 4b47b1a6d8..13a47dce77 100644
--- a/bsp/asm9260t/rtconfig.h
+++ b/bsp/asm9260t/rtconfig.h
@@ -65,7 +65,7 @@
 /* SECTION: the runtime libc library */
 /* the runtime libc library */
 #define RT_USING_LIBC
-#define RT_USING_PTHREADS
+//#define RT_USING_PTHREADS
 
 /* Using Module System */
 //#define RT_USING_MODULE