diff --git a/source/common/src/tdatablock.c b/source/common/src/tdatablock.c
index c53e771f42b9523edc3920b9a84f53f2f6bb123c..c253e842d663540e8a9b144d4217c7c243269d1b 100644
--- a/source/common/src/tdatablock.c
+++ b/source/common/src/tdatablock.c
@@ -19,7 +19,7 @@
 #include "tlog.h"
 #include "tname.h"
 
-#define MALLOC_ALIGN_BYTES  32
+#define MALLOC_ALIGN_BYTES  256
 
 int32_t colDataGetLength(const SColumnInfoData* pColumnInfoData, int32_t numOfRows) {
   ASSERT(pColumnInfoData != NULL);
diff --git a/source/os/src/osMemory.c b/source/os/src/osMemory.c
index 2f30e8977afbfa6d691fed2cc8ab2c5b62752093..230ca5b9683dc26bdcd443235d7e329f489d3d35 100644
--- a/source/os/src/osMemory.c
+++ b/source/os/src/osMemory.c
@@ -351,7 +351,8 @@ void* taosMemoryMallocAlign(uint32_t alignment, int64_t size) {
   ASSERT(0);
 #else
 #if defined(LINUX)
-  return memalign(alignment, size);
+  void* p = memalign(alignment, size);
+  return p;
 #else
   return taosMemoryMalloc(size);
 #endif