diff --git a/include/HBit.h b/include/HBit.h
index 95ed953..4621dd7 100644
--- a/include/HBit.h
+++ b/include/HBit.h
@@ -57,7 +57,7 @@ typedef struct __attribute__ ((__packed__)) _HBitBase {
 /** ============================================================================================= **/
 
 // 定义HBit变量, name为变量名, num为需要比特长度
-#define HBIT_DEFINE(name, num) HBitType name[_HBIT_CALC_LEN(num)] = { kHBitInitFlag, _HBIT_INIT_SIZE(num), 0 }
+#define HBIT_DEFINE(name, num) HBitType name[_HBIT_CALC_LEN(num)] = { kHBitInitFlag, _HBIT_INIT_SIZE(num) }
 
 // 声明HBit变量
 #define HBIT_EXTERN(name, num) extern HBitType name[_HBIT_CALC_LEN(num)]