diff --git a/src/observer/storage/clog/clog.cpp b/src/observer/storage/clog/clog.cpp
index 7912cb699..1b8cd3b70 100644
--- a/src/observer/storage/clog/clog.cpp
+++ b/src/observer/storage/clog/clog.cpp
@@ -83,7 +83,7 @@ string CLogRecordData::to_string() const
 
 ////////////////////////////////////////////////////////////////////////////////
 
-int _align8(int size) { return size / 8 * 8 + ((size % 8 == 0) ? 0 : 8); }
+int _align8(int size) { return (size + 7) & ~7; }
 
 CLogRecord *CLogRecord::build_mtr_record(CLogType type, int32_t trx_id)
 {
diff --git a/src/observer/storage/record/record_manager.cpp b/src/observer/storage/record/record_manager.cpp
index 691d5e50f..a1f01a042 100644
--- a/src/observer/storage/record/record_manager.cpp
+++ b/src/observer/storage/record/record_manager.cpp
@@ -27,7 +27,7 @@ static constexpr int PAGE_HEADER_SIZE = (sizeof(PageHeader));
  *
  * @param size 待对齐的字节数
  */
-int align8(int size) { return (size + 7) / 8 * 8; }
+int align8(int size) { return (size + 7) & ~7; }
 
 /**
  * @brief 计算指定大小的页面，可以容纳多少个记录