diff --git a/services/clouddisk_database/include/clouddisk_rdbstore.h b/services/clouddisk_database/include/clouddisk_rdbstore.h
index 7dfce91fe233d6392fcebf626553da1363e70bbb..5899656a1371bad3313a56eaa73153f5e7d90625 100644
--- a/services/clouddisk_database/include/clouddisk_rdbstore.h
+++ b/services/clouddisk_database/include/clouddisk_rdbstore.h
@@ -117,6 +117,7 @@ private:
     std::shared_ptr<NativeRdb::RdbStore> rdbStore_;
     NativeRdb::RdbStoreConfig config_{""};
     const int32_t CONNECT_SIZE = 8;
+    const int64_t RDB_WAL_LIMIT_SIZE = 0x400000000;
     std::string bundleName_;
     int32_t userId_{0};
     std::string tableName_ = FileColumn::FILES_TABLE;
diff --git a/services/clouddisk_database/src/clouddisk_rdbstore.cpp b/services/clouddisk_database/src/clouddisk_rdbstore.cpp
index b6a6b050c6d41902042d8a989ca5bee741670c25..915cc675d26f6a4147d90a4db2455ca688bfaed5 100644
--- a/services/clouddisk_database/src/clouddisk_rdbstore.cpp
+++ b/services/clouddisk_database/src/clouddisk_rdbstore.cpp
@@ -146,6 +146,7 @@ int32_t CloudDiskRdbStore::RdbInit()
     config_.SetPath(databasePath);
     config_.SetReadConSize(CONNECT_SIZE);
     config_.SetScalarFunction("cloud_sync_func", ARGS_SIZE, CloudSyncTriggerFunc);
+    config_.SetWalLimitSize(RDB_WAL_LIMIT_SIZE);
     errCode = 0;
     CloudDiskDataCallBack rdbDataCallBack;
     rdbStore_ = RdbHelper::GetRdbStore(config_, CLOUD_DISK_RDB_VERSION, rdbDataCallBack, errCode);