diff --git a/datamgr_service/services/distributeddataservice/service/rdb/rdb_cloud.h b/datamgr_service/services/distributeddataservice/service/rdb/rdb_cloud.h
index 0579853f352e22ee032df0ba1e15806760a8021b..2b532e02f589fd22c895296550676d606f2b8a9c 100644
--- a/datamgr_service/services/distributeddataservice/service/rdb/rdb_cloud.h
+++ b/datamgr_service/services/distributeddataservice/service/rdb/rdb_cloud.h
@@ -27,7 +27,7 @@ public:
     using DBVBucket = DistributedDB::VBucket;
 
     explicit RdbCloud(std::shared_ptr<DistributedData::CloudDB> cloudDB);
-    ~RdbCloud() = default;
+    virtual ~RdbCloud() = default;
     DBStatus BatchInsert(const std::string &tableName, std::vector<DBVBucket> &&record,
         std::vector<DBVBucket> &extend) override;
     DBStatus BatchUpdate(const std::string &tableName, std::vector<DBVBucket> &&record,
diff --git a/datamgr_service/services/distributeddataservice/service/rdb/rdb_general_store.cpp b/datamgr_service/services/distributeddataservice/service/rdb/rdb_general_store.cpp
index 696e0dd4d09c74351b62619c67c0213d634e99b5..1d162e7ff17e7e3b9130a825cc1c64e519a11bb3 100644
--- a/datamgr_service/services/distributeddataservice/service/rdb/rdb_general_store.cpp
+++ b/datamgr_service/services/distributeddataservice/service/rdb/rdb_general_store.cpp
@@ -84,6 +84,7 @@ RdbGeneralStore::~RdbGeneralStore()
     bindInfo_.loader_ = nullptr;
     bindInfo_.db_->Close();
     bindInfo_.db_ = nullptr;
+    rdbCloud_ = nullptr;
 }
 
 int32_t RdbGeneralStore::Bind(const Database &database, BindInfo bindInfo)