diff --git a/source/dnode/mnode/impl/src/mndTrans.c b/source/dnode/mnode/impl/src/mndTrans.c
index 623400869e..3e77a208ba 100644
--- a/source/dnode/mnode/impl/src/mndTrans.c
+++ b/source/dnode/mnode/impl/src/mndTrans.c
@@ -367,6 +367,7 @@ SSdbRow *mndTransDecode(SSdbRaw *pRaw) {
   SDB_GET_INT32(pRaw, dataPos, &pTrans->paramLen, _OVER)
   if (pTrans->paramLen != 0) {
     pTrans->param = taosMemoryMalloc(pTrans->paramLen);
+    if (pTrans->param == NULL) goto _OVER;
     SDB_GET_BINARY(pRaw, dataPos, pTrans->param, pTrans->paramLen, _OVER);
   }