diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index 0cdefb3cff..049cd74784 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -457,9 +457,9 @@ int32_t tqProcessPollReq(STQ* pTq, SRpcMsg* pMsg, int32_t workerId) {
     }
 
     if (pHeadWithCkSum->head.msgType != TDMT_VND_SUBMIT) {
-      walSkipFetchBody(pExec->pWalReader, pHeadWithCkSum);
+      ASSERT(walSkipFetchBody(pExec->pWalReader, pHeadWithCkSum) == 0);
     } else {
-      walFetchBody(pExec->pWalReader, &pHeadWithCkSum);
+      ASSERT(walFetchBody(pExec->pWalReader, &pHeadWithCkSum) == 0);
     }
 
     SWalReadHead* pHead = &pHeadWithCkSum->head;
diff --git a/source/libs/wal/src/walRead.c b/source/libs/wal/src/walRead.c
index 49fd5943b6..f92c650965 100644
--- a/source/libs/wal/src/walRead.c
+++ b/source/libs/wal/src/walRead.c
@@ -214,23 +214,24 @@ int32_t walFetchBody(SWalReadHandle *pRead, SWalHead **ppHead) {
       return -1;
     }
     *ppHead = ptr;
+    pReadHead = &((*ppHead)->head);
     pRead->capacity = pReadHead->bodyLen;
   }
 
   if (pReadHead->bodyLen != taosReadFile(pRead->pReadLogTFile, pReadHead->body, pReadHead->bodyLen)) {
+    ASSERT(0);
     return -1;
   }
 
   if (pReadHead->version != ver) {
-    wError("unexpected wal log version: %" PRId64 ", read request version:%" PRId64 "", pRead->pHead->head.version,
-           ver);
+    wError("wal fetch body error: %" PRId64 ", read request version:%" PRId64 "", pRead->pHead->head.version, ver);
     pRead->curVersion = -1;
     terrno = TSDB_CODE_WAL_FILE_CORRUPTED;
     return -1;
   }
 
   if (walValidBodyCksum(*ppHead) != 0) {
-    wError("unexpected wal log version: % " PRId64 ", since body checksum not passed", ver);
+    wError("wal fetch body error: % " PRId64 ", since body checksum not passed", ver);
     pRead->curVersion = -1;
     terrno = TSDB_CODE_WAL_FILE_CORRUPTED;
     return -1;