diff --git a/frameworks/native/backup_ext/src/ext_extension.cpp b/frameworks/native/backup_ext/src/ext_extension.cpp
index ba0764b4f7336d6c4d47ad0004c8d858798667ba..bc03911e38961bb6ae7c36e2cbb14bb03da869ad 100644
--- a/frameworks/native/backup_ext/src/ext_extension.cpp
+++ b/frameworks/native/backup_ext/src/ext_extension.cpp
@@ -329,13 +329,13 @@ tuple<ErrCode, UniqueFd, UniqueFd> BackupExtExtension::GetIncreFileHandleForSpec
         }
         std::unique_lock<std::mutex> lock(reportHashLock_);
         reportHashSrcPathMap_.emplace(fileName, reportFullHashName);
-        lock.unlock();
         return { errCode, move(fd), move(reportHashFd) };
     }
     UniqueFd reportFd(open(reportFullFileName.data(), O_RDWR | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR));
     if (reportFd < 0) {
         HILOGE("Failed to open report file = %{public}s, err = %{public}d",
             GetAnonyPath(reportFullFileName).c_str(), errno);
+        errCode = errno;
     }
     return { errCode, move(fd), move(reportFd) };
 }
diff --git a/frameworks/native/backup_ext/src/sub_ext_extension.cpp b/frameworks/native/backup_ext/src/sub_ext_extension.cpp
index 5f67ee933f366f3022ec65313b1872efb4578de1..8b9d8fea40279b5f3f28d2a55ae7c644f9ec24d5 100644
--- a/frameworks/native/backup_ext/src/sub_ext_extension.cpp
+++ b/frameworks/native/backup_ext/src/sub_ext_extension.cpp
@@ -1392,6 +1392,7 @@ void BackupExtExtension::RmBigFileReportForSpecialCloneCloud(const std::string &
 {
     // 删除大文件的rp文件
     string reportFileName = GetReportFileName(srcFileName);
+    std::unique_lock<std::mutex> lock(reportHashLock_);
     if (reportHashSrcPathMap_.empty()) {
         if (!RemoveFile(reportFileName)) {
             HILOGE("Failed to delete backup report %{public}s, err = %{public}d",
@@ -1399,7 +1400,6 @@ void BackupExtExtension::RmBigFileReportForSpecialCloneCloud(const std::string &
         }
         return;
     }
-    std::unique_lock<std::mutex> lock(reportHashLock_);
     auto iter = reportHashSrcPathMap_.find(srcFileName);
     if (iter == reportHashSrcPathMap_.end()) {
         if (!RemoveFile(reportFileName)) {
@@ -1416,6 +1416,5 @@ void BackupExtExtension::RmBigFileReportForSpecialCloneCloud(const std::string &
             GetAnonyPath(reportHashFilePath).c_str(), errno);
     }
     reportHashSrcPathMap_.erase(iter);
-    lock.unlock();
 }
 } // namespace OHOS::FileManagement::Backup