diff --git a/services/distributeddataservice/rust/extension/cloud_server_impl.cpp b/services/distributeddataservice/rust/extension/cloud_server_impl.cpp
index f47a26209787b06c9b2dcd049f4cd8fee9cd9e11..640e46a88d4d6aab06220965e08799d7f54cf46a 100644
--- a/services/distributeddataservice/rust/extension/cloud_server_impl.cpp
+++ b/services/distributeddataservice/rust/extension/cloud_server_impl.cpp
@@ -544,7 +544,7 @@ int32_t CloudServerImpl::Unsubscribe(int32_t userId, const std::map<std::string,
             if (it == dbRelation.relations.end()) {
                 continue;
             }
-            uint32_t subId = std::stoul(it->second);
+            uint32_t subId = static_cast<uint32_t>(std::atoi(it->second.c_str()));
             if (OhCloudExtVectorPush(relation, &subId, sizeof(uint32_t)) != ERRNO_SUCCESS) {
                 return DBErr::E_ERROR;
             }
diff --git a/services/distributeddataservice/service/cloud/sync_manager.cpp b/services/distributeddataservice/service/cloud/sync_manager.cpp
index 1391796224bf894a550a943e687400803348fb65..6255cd421722864b804317c4480e4fae89583d4e 100644
--- a/services/distributeddataservice/service/cloud/sync_manager.cpp
+++ b/services/distributeddataservice/service/cloud/sync_manager.cpp
@@ -992,7 +992,7 @@ void SyncManager::CleanCompensateSync(int32_t userId)
 
 void SyncManager::AddCompensateSync(const StoreMetaData &meta)
 {
-    compensateSyncInfos_.Compute(std::stoi(meta.user),
+    compensateSyncInfos_.Compute(std::atoi(meta.user.c_str()),
         [&meta](auto &, std::map<std::string, std::set<std::string>> &apps) {
             apps[meta.bundleName].insert(meta.storeId);
             return true;
diff --git a/services/distributeddataservice/service/crypto/src/crypto_manager.cpp b/services/distributeddataservice/service/crypto/src/crypto_manager.cpp
index 16a7754648e8b3c6362f13548d6db3c2e75bd521..e278c678fc1e6628d2c02639d6ced2393483deea 100644
--- a/services/distributeddataservice/service/crypto/src/crypto_manager.cpp
+++ b/services/distributeddataservice/service/crypto/src/crypto_manager.cpp
@@ -64,7 +64,7 @@ bool AddHksParams(HksParamSet *params, const CryptoManager::ParamConfig &paramCo
     };
     if (paramConfig.storageLevel > HKS_AUTH_STORAGE_LEVEL_DE) {
         hksParam.emplace_back(
-            HksParam { .tag = HKS_TAG_SPECIFIC_USER_ID, .int32Param = std::stoi(paramConfig.userId) });
+            HksParam { .tag = HKS_TAG_SPECIFIC_USER_ID, .int32Param = std::atoi(paramConfig.userId.c_str()) });
     }
 
     auto ret = HksAddParams(params, aes256Param, sizeof(aes256Param) / sizeof(aes256Param[0]));
@@ -100,7 +100,7 @@ int32_t GetRootKeyParams(HksParamSet *&params, uint32_t storageLevel, const std:
         { .tag = HKS_TAG_AUTH_STORAGE_LEVEL, .uint32Param = storageLevel },
     };
     if (storageLevel > HKS_AUTH_STORAGE_LEVEL_DE) {
-        hksParam.emplace_back(HksParam { .tag = HKS_TAG_SPECIFIC_USER_ID, .int32Param = std::stoi(userId) });
+        hksParam.emplace_back(HksParam { .tag = HKS_TAG_SPECIFIC_USER_ID, .int32Param = std::atoi(userId.c_str()) });
     }
 
     ret = HksAddParams(params, hksParam.data(), hksParam.size());
diff --git a/services/distributeddataservice/service/kvdb/kvdb_general_store.cpp b/services/distributeddataservice/service/kvdb/kvdb_general_store.cpp
index 957320389b6ff5ac7f121594aed0a1db5d9d930d..358468d153fcdf1ddd851e7193ed210b9146f578 100644
--- a/services/distributeddataservice/service/kvdb/kvdb_general_store.cpp
+++ b/services/distributeddataservice/service/kvdb/kvdb_general_store.cpp
@@ -201,7 +201,7 @@ KVDBGeneralStore::KVDBGeneralStore(const StoreMetaData &meta)
     storeInfo_.bundleName = meta.bundleName;
     storeInfo_.storeName = meta.storeId;
     storeInfo_.instanceId = meta.instanceId;
-    storeInfo_.user = std::stoi(meta.user);
+    storeInfo_.user = std::atoi(meta.user.c_str());
     enableCloud_ = meta.enableCloud;
 }
 
diff --git a/services/distributeddataservice/service/object/src/object_manager.cpp b/services/distributeddataservice/service/object/src/object_manager.cpp
index 3e3c554ffb209383f725c589651275c138d3d30d..ac90fa3ab9da817b0954361c8cf301f8ba7fb4a0 100644
--- a/services/distributeddataservice/service/object/src/object_manager.cpp
+++ b/services/distributeddataservice/service/object/src/object_manager.cpp
@@ -520,7 +520,7 @@ void ObjectStoreManager::PullAssets(const std::map<std::string, ObjectRecord>& d
     for (const auto& [objectId, assets] : changedAssets) {
         std::string networkId = DmAdaper::GetInstance().ToNetworkID(saveInfo.sourceDeviceId);
         auto block = std::make_shared<BlockData<std::tuple<bool, bool>>>(WAIT_TIME, std::tuple{ true, true });
-        ObjectAssetLoader::GetInstance()->TransferAssetsAsync(std::stoi(GetCurrentUser()),
+        ObjectAssetLoader::GetInstance()->TransferAssetsAsync(std::atoi(GetCurrentUser().c_str()),
             saveInfo.bundleName, networkId, assets, [this, block](bool success) {
                 block->SetValue({ false, success });
         });
diff --git a/services/distributeddataservice/service/rdb/rdb_general_store.cpp b/services/distributeddataservice/service/rdb/rdb_general_store.cpp
index b8dc6345eeb46bc197b09af2275824ee4afcc1f0..55beb04f8076286f7ded145fad2e61dfcac246ab 100644
--- a/services/distributeddataservice/service/rdb/rdb_general_store.cpp
+++ b/services/distributeddataservice/service/rdb/rdb_general_store.cpp
@@ -141,7 +141,7 @@ void RdbGeneralStore::InitStoreInfo(const StoreMetaData &meta)
     storeInfo_.bundleName = meta.bundleName;
     storeInfo_.storeName = meta.storeId;
     storeInfo_.instanceId = meta.instanceId;
-    storeInfo_.user = std::stoi(meta.user);
+    storeInfo_.user = std::atoi(meta.user.c_str());
     storeInfo_.deviceId = DeviceManagerAdapter::GetInstance().GetLocalDevice().uuid;
 }
 
diff --git a/services/distributeddataservice/service/test/rdb_general_store_test.cpp b/services/distributeddataservice/service/test/rdb_general_store_test.cpp
index de1ef193c479ea0b586442e8fbc690b6a6ee6461..6f36ac1415bbca66a9b57fcb4fec5de6664f8b8f 100644
--- a/services/distributeddataservice/service/test/rdb_general_store_test.cpp
+++ b/services/distributeddataservice/service/test/rdb_general_store_test.cpp
@@ -393,7 +393,7 @@ HWTEST_F(RdbGeneralStoreTest, Close, TestSize.Level1)
 {
     auto store = new (std::nothrow) RdbGeneralStore(metaData_);
     ASSERT_NE(store, nullptr);
-    auto result = store->IsBound(std::stoi(metaData_.user));
+    auto result = store->IsBound(std::atoi(metaData_.user.c_str()));
     EXPECT_EQ(result, false);
     EXPECT_EQ(store->delegate_, nullptr);
     auto ret = store->Close();