diff --git a/source/dnode/vnode/src/tsdb/tsdbCache.c b/source/dnode/vnode/src/tsdb/tsdbCache.c
index ccad7bac5e..b7e3bb6a07 100644
--- a/source/dnode/vnode/src/tsdb/tsdbCache.c
+++ b/source/dnode/vnode/src/tsdb/tsdbCache.c
@@ -484,6 +484,7 @@ static void tsdbCachePutBatch(SLastCol *pLastCol, const void *key, size_t klen,
   code = tsdbCacheSerialize(pLastCol, &rocks_value, &vlen);
   if (code) {
     tsdbError("tsdb/cache: vgId:%d, serialize failed since %s.", TD_VID(pTsdb->pVnode), tstrerror(code));
+    return;
   }
 
   (void)taosThreadMutexLock(&rCache->rMutex);
@@ -1143,14 +1144,14 @@ static int32_t tsdbCacheUpdate(STsdb *pTsdb, tb_uid_t suid, tb_uid_t uid, SArray
         code = tsdbCacheSerialize(&lastColTmp, &value, &vlen);
         if (code) {
           tsdbError("tsdb/cache: vgId:%d, serialize failed since %s.", TD_VID(pTsdb->pVnode), tstrerror(code));
+        } else {
+          (void)taosThreadMutexLock(&pTsdb->rCache.rMutex);
+
+          rocksdb_writebatch_put(wb, (char *)&idxKey->key, ROCKS_KEY_LEN, value, vlen);
+
+          (void)taosThreadMutexUnlock(&pTsdb->rCache.rMutex);
         }
 
-        (void)taosThreadMutexLock(&pTsdb->rCache.rMutex);
-
-        rocksdb_writebatch_put(wb, (char *)&idxKey->key, ROCKS_KEY_LEN, value, vlen);
-
-        (void)taosThreadMutexUnlock(&pTsdb->rCache.rMutex);
-
         pLastCol = &lastColTmp;
         SLastCol *pTmpLastCol = taosMemoryCalloc(1, sizeof(SLastCol));
         if (!pTmpLastCol) {
@@ -1525,12 +1526,12 @@ static int32_t tsdbCacheLoadFromRaw(STsdb *pTsdb, tb_uid_t uid, SArray *pLastArr
     code = tsdbCacheSerialize(pLastCol, &value, &vlen);
     if (code) {
       tsdbError("tsdb/cache: vgId:%d, serialize failed since %s.", TD_VID(pTsdb->pVnode), tstrerror(code));
+    } else {
+      SLastKey *key = &idxKey->key;
+      size_t    klen = ROCKS_KEY_LEN;
+      rocksdb_writebatch_put(wb, (char *)key, klen, value, vlen);
+      taosMemoryFree(value);
     }
-
-    SLastKey *key = &idxKey->key;
-    size_t    klen = ROCKS_KEY_LEN;
-    rocksdb_writebatch_put(wb, (char *)key, klen, value, vlen);
-    taosMemoryFree(value);
   }
 
   if (wb) {