diff --git a/sdk/software/examples/coremark/Makefile b/sdk/software/examples/coremark/Makefile
index 040f420..4738690 100644
--- a/sdk/software/examples/coremark/Makefile
+++ b/sdk/software/examples/coremark/Makefile
@@ -16,7 +16,7 @@ CFLAGS += -DSIMU=0
 CFLAGS += -DFLAGS_STR=\""$(CFLAGS)"\"
 CFLAGS += -g
 #配置迭代次数
-CFLAGS += -DITERATIONS=1
+CFLAGS += -DITERATIONS=1000
 
 OBJDIR = obj
 COMMON_DIR = ../../bsp