diff --git a/a8/a8.h b/a8/a8.h
index 2c28608..77cbcda 100644
--- a/a8/a8.h
+++ b/a8/a8.h
@@ -35,4 +35,6 @@ namespace std
 #define A8_SAFE_DELETE(p) { if(p){delete(p);  (p)=nullptr;} }
 #define A8_DEFINE_RANGE_BIT(type, begin, end) ((((type)1) << (end + 1)) - 1) & (~((((type)1) << (begin + 0)) - 1))
 
+#define A8_ABORT() do{printf("abort file:%s line:%d func:%s\n", __FILE__, __LINE__, __func__);fflush(stdout);fflush(stderr);abort();}while(0);
+
 #endif