diff --git a/frameworks/native/backup_ext/src/ext_extension.cpp b/frameworks/native/backup_ext/src/ext_extension.cpp
index cb619e84d141c9c0b3155d0740fd98e0fc433fbc..8f67b82de713a3331a29ff6b0662a0e85da65ede 100644
--- a/frameworks/native/backup_ext/src/ext_extension.cpp
+++ b/frameworks/native/backup_ext/src/ext_extension.cpp
@@ -486,6 +486,7 @@ ErrCode BackupExtExtension::IndexFileReady(const TarMap &pkgInfo, sptr<IService>
             "The application is packaged successfully but the AppFileReady interface fails to be invoked: "
             "%{public}d",
             ret);
+        close(fdval);
     }
     HILOGI("End notify Appfile Ready");
     return ret;
@@ -856,13 +857,13 @@ tuple<ErrCode, uint32_t, uint32_t> BackupExtExtension::CalculateDataSize(const B
         HILOGD("bigfile size = %{public}" PRId64 "", fileSize);
         totalSize += fileSize;
     }
-    appStatistic_->bigFileSize_ = totalSize;
+    appStatistic_->bigFileSize_ = static_cast<uint64_t>(totalSize);
     HILOGI("bigfile size = %{public}" PRId64 "", totalSize);
     for (const auto &item : smallFiles) {
         UpdateFileStat(item.first, item.second);
         totalSize += static_cast<int64_t>(item.second);
     }
-    appStatistic_->smallFileSize_ = totalSize - appStatistic_->bigFileSize_;
+    appStatistic_->smallFileSize_ = static_cast<uint64_t>(totalSize - appStatistic_->bigFileSize_);
     HILOGI("scanning end, Datasize = %{public}" PRId64 "", totalSize);
     return {ERR_OK, static_cast<uint32_t>(includes.size()), static_cast<uint32_t>(excludes.size())};
 }
diff --git a/frameworks/native/backup_ext/src/sub_ext_extension.cpp b/frameworks/native/backup_ext/src/sub_ext_extension.cpp
index e1e38e15300475b01f40623027711122db06b1b1..ed31e9d1d6c4957c549668c0eb57ebbfdf08e271 100644
--- a/frameworks/native/backup_ext/src/sub_ext_extension.cpp
+++ b/frameworks/native/backup_ext/src/sub_ext_extension.cpp
@@ -1094,9 +1094,9 @@ TarMap BackupExtExtension::GetIncrmentBigInfos(const vector<struct ReportFileInf
             HILOGE("Failed to stat file %{public}s, err = %{public}d", item.filePath.c_str(), errno);
             throw errno;
         }
-        appStatistic_->bigFileSize_ += sta.st_size;
+        appStatistic_->bigFileSize_ += static_cast<uint64_t>(sta.st_size);
         UpdateFileStat(item.filePath, sta.st_size);
-        uint64_t hashStart = TimeUtils::GetTimeUS();
+        uint64_t hashStart = static_cast<uint64_t>(TimeUtils::GetTimeUS());
         string md5Name = getStringHash(bigFiles, item.filePath);
         appStatistic_->hashSpendUS_ += TimeUtils::GetSpendUS(hashStart);
         if (!md5Name.empty()) {
@@ -1250,7 +1250,7 @@ void BackupExtExtension::IncrementalPacket(const vector<struct ReportFileInfo> &
     int fdNum = 0;
     string partName = GetIncrmentPartName();
     auto reportCb = ReportErrFileByProc(wptr<BackupExtExtension> {this}, curScenario_);
-    uint64_t tarStart = TimeUtils::GetTimeMS();
+    uint64_t tarStart = static_cast<uint64_t>(TimeUtils::GetTimeMS());
     for (const auto &small : infos) {
         appStatistic_->smallFileSize_ += small.size;
         UpdateFileStat(small.filePath, small.size);
diff --git a/services/backup_sa/src/module_ipc/service_incremental.cpp b/services/backup_sa/src/module_ipc/service_incremental.cpp
index 738f4182171b69aeb81ce08200b9c0fa4ea99627..2490928f77b998d36192d8bf4d7ef1b6e746358b 100644
--- a/services/backup_sa/src/module_ipc/service_incremental.cpp
+++ b/services/backup_sa/src/module_ipc/service_incremental.cpp
@@ -566,7 +566,7 @@ ErrCode Service::PublishSAIncrementalFile(const BFileInfo &fileInfo, UniqueFd fd
         std::unique_lock<std::shared_mutex> mapLock(statMapMutex_);
         std::shared_ptr<RadarAppStatistic> saStatistic = std::make_shared<RadarAppStatistic>(bundleName,
             totalStatistic_->GetUniqId(), totalStatistic_->GetBizScene());
-        saStatistic->doRestoreStart_ = TimeUtils::GetTimeMS();
+        saStatistic->doRestoreStart_ = static_cast<uint64_t>(TimeUtils::GetTimeMS());
         saStatisticMap_[bundleName] = saStatistic;
     }
     ErrCode errCode = VerifyCaller();
diff --git a/utils/src/b_filesystem/b_dir.cpp b/utils/src/b_filesystem/b_dir.cpp
index 3cefa227608d2a2ed4595ab72f8c250ea83bc0d4..a725c3f0912123e270de600b6ef246e9923dd9ba 100644
--- a/utils/src/b_filesystem/b_dir.cpp
+++ b/utils/src/b_filesystem/b_dir.cpp
@@ -267,7 +267,8 @@ static set<string> ExpandPathWildcard(const vector<string> &vec, bool onlyPath)
         }
     }
 
-    set<string> expandPath, filteredPath;
+    set<string> expandPath;
+    set<string> filteredPath;
     for (size_t i = 0; i < gl->gl_pathc; ++i) {
         std::string tmpPath = gl->gl_pathv[i];
         auto pos = tmpPath.find(BConstants::FILE_SEPARATOR_CHAR);