diff --git a/services/distributeddataservice/service/object/src/object_asset_machine.cpp b/services/distributeddataservice/service/object/src/object_asset_machine.cpp
index dcb034ad95eaa4f57291a174169edf9d19d75fe7..6d1d11fb71cf86609a5b6c0df42cf0befe6ed635 100644
--- a/services/distributeddataservice/service/object/src/object_asset_machine.cpp
+++ b/services/distributeddataservice/service/object/src/object_asset_machine.cpp
@@ -57,12 +57,12 @@ static int32_t Recover(int32_t eventId, ChangedAssetInfo& changedAsset, Asset& a
 
 static int32_t UpdateStore(ChangedAssetInfo& changedAsset);
 
-static AutoCache::Store GetStore(ChangedAssetInfo& changedAsset);
+static AutoCache::Store GetStore(const ChangedAssetInfo& changedAsset);
 static VBuckets GetMigratedData(AutoCache::Store& store, AssetBindInfo& assetBindInfo, const Asset& newAsset);
 static void MergeAssetData(VBucket& record, const Asset& newAsset, const AssetBindInfo& assetBindInfo);
 static void MergeAsset(Asset& oldAsset, const Asset& newAsset);
 static std::string BuildSql(const AssetBindInfo& bindInfo, Values& args);
-static BindEvent::BindEventInfo MakeBindInfo(ChangedAssetInfo& changedAsset);
+static BindEvent::BindEventInfo MakeBindInfo(const ChangedAssetInfo& changedAsset);
 
 static const DFAAction AssetDFA[STATUS_BUTT][EVENT_BUTT] = {
     {
@@ -287,7 +287,7 @@ static void MergeAsset(Asset& oldAsset, const Asset& newAsset)
     oldAsset.path = newAsset.path;
 }
 
-static AutoCache::Store GetStore(ChangedAssetInfo& changedAsset)
+static AutoCache::Store GetStore(const ChangedAssetInfo& changedAsset)
 {
     StoreMetaData meta;
     meta.storeId = changedAsset.bindInfo.storeName;
@@ -347,7 +347,7 @@ static int32_t Recover(int32_t eventId, ChangedAssetInfo& changedAsset, Asset& a
     return E_OK;
 }
 
-static BindEvent::BindEventInfo MakeBindInfo(ChangedAssetInfo& changedAsset)
+static BindEvent::BindEventInfo MakeBindInfo(const ChangedAssetInfo& changedAsset)
 {
     BindEvent::BindEventInfo bindEventInfo;
     bindEventInfo.bundleName = changedAsset.storeInfo.bundleName;
diff --git a/services/distributeddataservice/service/object/src/object_manager.cpp b/services/distributeddataservice/service/object/src/object_manager.cpp
index 3e3c554ffb209383f725c589651275c138d3d30d..63f90ce8c639e03f23d78002b16974c85db391d3 100644
--- a/services/distributeddataservice/service/object/src/object_manager.cpp
+++ b/services/distributeddataservice/service/object/src/object_manager.cpp
@@ -847,7 +847,7 @@ int32_t ObjectStoreManager::SaveToStore(const std::string &appId, const std::str
     saveInfoEntry.value = std::vector<uint8_t>(saveInfoValue.begin(), saveInfoValue.end());
     std::vector<DistributedDB::Entry> entries;
     entries.emplace_back(saveInfoEntry);
-    for (auto &item : data) {
+    for (const auto &item : data) {
         DistributedDB::Entry entry;
         std::string key = GetPropertyPrefix(appId, sessionId, toDeviceId) + timestamp + SEPERATOR + item.first;
         entry.key = std::vector<uint8_t>(key.begin(), key.end());
@@ -1110,7 +1110,7 @@ SequenceSyncManager::Result SequenceSyncManager::Process(
         return ERR_SID_NOT_EXIST;
     }
     std::map<std::string, int32_t> syncResults;
-    for (auto &item : results) {
+    for (const auto &item : results) {
         syncResults[item.first] = item.second == DistributedDB::DBStatus::OK ? 0 : -1;
     }
     seqIdCallbackRelations_[sequenceId](syncResults);