diff --git a/datamgr_service/services/distributeddataservice/framework/include/store/general_store.h b/datamgr_service/services/distributeddataservice/framework/include/store/general_store.h
index 59d02b8c156feb6f4f753db667ee4cd368894154..72cb4f662d9970c8dfc62d68d4fb02dc78bd3b24 100644
--- a/datamgr_service/services/distributeddataservice/framework/include/store/general_store.h
+++ b/datamgr_service/services/distributeddataservice/framework/include/store/general_store.h
@@ -24,7 +24,7 @@
 namespace OHOS::DistributedData {
 class CloudDB;
 class AssetLoader;
-class Database;
+struct Database;
 class GeneralStore {
 public:
     using Watcher = GeneralWatcher;
diff --git a/datamgr_service/services/distributeddataservice/service/rdb/rdb_cloud.h b/datamgr_service/services/distributeddataservice/service/rdb/rdb_cloud.h
index 4dcdca811de69c4d907003d29c0fef6428a9cfca..0579853f352e22ee032df0ba1e15806760a8021b 100644
--- a/datamgr_service/services/distributeddataservice/service/rdb/rdb_cloud.h
+++ b/datamgr_service/services/distributeddataservice/service/rdb/rdb_cloud.h
@@ -26,7 +26,7 @@ public:
     using DBStatus = DistributedDB::DBStatus;
     using DBVBucket = DistributedDB::VBucket;
 
-    RdbCloud(std::shared_ptr<DistributedData::CloudDB> cloudDB);
+    explicit RdbCloud(std::shared_ptr<DistributedData::CloudDB> cloudDB);
     ~RdbCloud() = default;
     DBStatus BatchInsert(const std::string &tableName, std::vector<DBVBucket> &&record,
         std::vector<DBVBucket> &extend) override;
diff --git a/datamgr_service/services/distributeddataservice/service/rdb/rdb_cursor.h b/datamgr_service/services/distributeddataservice/service/rdb/rdb_cursor.h
index a8e19bfba9a81b3792a5c9c22926a325df3c1e27..f51a44929b42dded4a2cc3d9eba62c0a9a18a8ea 100644
--- a/datamgr_service/services/distributeddataservice/service/rdb/rdb_cursor.h
+++ b/datamgr_service/services/distributeddataservice/service/rdb/rdb_cursor.h
@@ -20,7 +20,7 @@
 namespace OHOS::DistributedRdb {
 class RdbCursor : public DistributedData::Cursor {
 public:
-    RdbCursor(std::shared_ptr<NativeRdb::ResultSet> resultSet);
+    explicit RdbCursor(std::shared_ptr<NativeRdb::ResultSet> resultSet);
     ~RdbCursor();
     int32_t GetColumnNames(std::vector<std::string> &names) const override;
     int32_t GetColumnName(int32_t col, std::string &name) const override;
diff --git a/datamgr_service/services/distributeddataservice/service/rdb/value_proxy.cpp b/datamgr_service/services/distributeddataservice/service/rdb/value_proxy.cpp
index 07fae8991b2cb7da70491696aee367cb1d1d1fb6..dbd318e8f414ba03858c583980678f7944cd48e4 100644
--- a/datamgr_service/services/distributeddataservice/service/rdb/value_proxy.cpp
+++ b/datamgr_service/services/distributeddataservice/service/rdb/value_proxy.cpp
@@ -123,7 +123,7 @@ ValueProxy::Asset::Asset(DistributedData::Asset asset)
 
 ValueProxy::Asset::Asset(NativeRdb::AssetValue asset)
 {
-    asset_ = DistributedData::Asset{ .version = asset.version,
+    asset_ = DistributedData::Asset { .version = asset.version,
         .name = std::move(asset.name),
         .uri = std::move(asset.uri),
         .createTime = std::move(asset.createTime),
@@ -134,7 +134,7 @@ ValueProxy::Asset::Asset(NativeRdb::AssetValue asset)
 
 ValueProxy::Asset::Asset(DistributedDB::Asset asset)
 {
-    asset_ = DistributedData::Asset{ .version = asset.version,
+    asset_ = DistributedData::Asset { .version = asset.version,
         .name = std::move(asset.name),
         .uri = std::move(asset.uri),
         .createTime = std::move(asset.createTime),
@@ -163,7 +163,7 @@ ValueProxy::Asset &ValueProxy::Asset::operator=(Asset &&proxy) noexcept
 
 ValueProxy::Asset::operator NativeRdb::AssetValue()
 {
-    return NativeRdb::AssetValue{ .version = asset_.version,
+    return NativeRdb::AssetValue { .version = asset_.version,
         .name = std::move(asset_.name),
         .uri = std::move(asset_.uri),
         .createTime = std::move(asset_.createTime),
@@ -179,7 +179,7 @@ ValueProxy::Asset::operator DistributedData::Asset()
 
 ValueProxy::Asset::operator DistributedDB::Asset()
 {
-    return DistributedDB::Asset{ .version = asset_.version,
+    return DistributedDB::Asset { .version = asset_.version,
         .name = std::move(asset_.name),
         .uri = std::move(asset_.uri),
         .modifyTime = std::move(asset_.modifyTime),
diff --git a/datamgr_service/services/distributeddataservice/service/rdb/value_proxy.h b/datamgr_service/services/distributeddataservice/service/rdb/value_proxy.h
index 861ff27e259db079e87ee240c08c9eca6e563bac..f501a205af5ae1e7588f460f5d9800f980901b20 100644
--- a/datamgr_service/services/distributeddataservice/service/rdb/value_proxy.h
+++ b/datamgr_service/services/distributeddataservice/service/rdb/value_proxy.h
@@ -36,9 +36,9 @@ public:
         {
             *this = proxy;
         };
-        Asset(DistributedData::Asset asset);
-        Asset(NativeRdb::AssetValue asset);
-        Asset(DistributedDB::Asset asset);
+        explicit Asset(DistributedData::Asset asset);
+        explicit Asset(NativeRdb::AssetValue asset);
+        explicit Asset(DistributedDB::Asset asset);
         Asset &operator=(const Asset &proxy);
         Asset &operator=(Asset &&proxy) noexcept;
         operator NativeRdb::AssetValue();
@@ -60,9 +60,9 @@ public:
         {
             *this = proxy;
         };
-        Assets(DistributedData::Assets assets);
-        Assets(NativeRdb::ValueObject::Assets assets);
-        Assets(DistributedDB::Assets assets);
+        explicit Assets(DistributedData::Assets assets);
+        explicit Assets(NativeRdb::ValueObject::Assets assets);
+        explicit Assets(DistributedDB::Assets assets);
         Assets &operator=(const Assets &proxy);
         Assets &operator=(Assets &&proxy) noexcept;
         operator NativeRdb::ValueObject::Assets();