diff --git a/frameworks/native/backup_ext/include/ext_extension.h b/frameworks/native/backup_ext/include/ext_extension.h
index 34a509ffb60f1f5de263864da1e00386003d2036..9c450efb45880a7df62c486d782ef682eabe4eb7 100644
--- a/frameworks/native/backup_ext/include/ext_extension.h
+++ b/frameworks/native/backup_ext/include/ext_extension.h
@@ -260,6 +260,7 @@ private:
     void DeleteBackupIdxFile();
     void DeleteBackupIncrementalTars(const string &tarName);
     void SetClearDataFlag(bool isClearData);
+    std::string GetBundlePath();
     std::vector<ExtManageInfo> GetExtManageInfo();
     ErrCode RestoreFilesForSpecialCloneCloud();
     void RestoreBigFilesForSpecialCloneCloud(const ExtManageInfo &item);
@@ -297,7 +298,7 @@ private:
     std::string bundleName_;
     int32_t sendRate_ = BConstants::DEFAULT_FD_SEND_RATE;
     bool isClearData_ {true};
-    bool isDebug_ {false};
+    bool isDebug_ {true};
     std::map<std::string, off_t> endFileInfos_;
     std::map<std::string, std::vector<ErrCode>> errFileInfos_;
     bool isRpValid_ {false};
diff --git a/frameworks/native/backup_ext/src/ext_extension.cpp b/frameworks/native/backup_ext/src/ext_extension.cpp
index 094d19cb3db7650fd9a76d5670278509f918d48c..2ba8859d9cebaac2c0b5641f1f0d07ada11d08ba 100644
--- a/frameworks/native/backup_ext/src/ext_extension.cpp
+++ b/frameworks/native/backup_ext/src/ext_extension.cpp
@@ -1134,9 +1134,9 @@ void BackupExtExtension::FillEndFileInfos(const std::string &path,
     for (const auto &it : result) {
         std::string filePath = it.first;
         if (!filePath.empty() && filePath.size() <= PATH_MAX) {
-            endFileInfos_[filePath] = it.second.size;
+            endFileInfos_[path + filePath] = it.second.size;
         } else {
-            HILOGE("FileName : %{public}s error", GetAnonyPath(filePath).c_str());
+            HILOGE("File name : %{public}s check error", GetAnonyPath(path + filePath).c_str());
         }
     }
 }
diff --git a/frameworks/native/backup_ext/src/sub_ext_extension.cpp b/frameworks/native/backup_ext/src/sub_ext_extension.cpp
index cc63b94c52111fe1238d9044ba83017f1be606df..540cb94acac9e7fd940b062f8185a4cb30350271 100644
--- a/frameworks/native/backup_ext/src/sub_ext_extension.cpp
+++ b/frameworks/native/backup_ext/src/sub_ext_extension.cpp
@@ -107,11 +107,19 @@ void BackupExtExtension::SetClearDataFlag(bool isClearData)
     }
 }
 
+string BackupExtExtension::GetBundlePath()
+{
+    if (bundleName_ == BConstants::BUNDLE_FILE_MANAGER) {
+        return string(BConstants::PATH_FILEMANAGE_BACKUP_HOME).append(BConstants::SA_BUNDLE_BACKUP_RESTORE);
+    } else if (bundleName_ == BConstants::BUNDLE_MEDIAL_DATA) {
+        return string(BConstants::PATH_MEDIALDATA_BACKUP_HOME).append(BConstants::SA_BUNDLE_BACKUP_RESTORE);
+    }
+    return string(BConstants::PATH_BUNDLE_BACKUP_HOME).append(BConstants::SA_BUNDLE_BACKUP_RESTORE);
+}
+
 std::map<std::string, off_t> BackupExtExtension::GetIdxFileInfos(bool isSpecialVersion)
 {
-    string restoreDir = isSpecialVersion ?
-        "" :
-        string(BConstants::PATH_BUNDLE_BACKUP_HOME).append(BConstants::SA_BUNDLE_BACKUP_RESTORE);
+    string restoreDir = isSpecialVersion ? "" : GetBundlePath();
     auto extManageInfo = GetExtManageInfo();
     std::map<std::string, off_t> idxFileInfos;
     for (size_t i = 0; i < extManageInfo.size(); ++i) {
@@ -159,11 +167,12 @@ tuple<bool, vector<string>> BackupExtExtension::CheckRestoreFileInfos()
     struct stat curFileStat {};
     for (const auto &it : endFileInfos_) {
         if (lstat(it.first.c_str(), &curFileStat) != 0) {
-            HILOGE("(Debug) Failed to lstat, err = %{public}d", errno);
+            HILOGE("Failed to lstat %{public}s, err = %{public}d", GetAnonyPath(it.first).c_str(), errno);
             errFiles.emplace_back(it.first);
             errFileInfos_[it.first].push_back(errno);
         } else if (curFileStat.st_size != it.second && (!S_ISDIR(curFileStat.st_mode))) {
-            HILOGE("(Debug) File size check error, file: %{public}s", GetAnonyPath(it.first).c_str());
+            HILOGE("File size error, file: %{public}s, idx: %{public}" PRId64 ", act: %{public}" PRId64 "",
+                GetAnonyPath(it.first).c_str(), it.second, curFileStat.st_size);
             errFiles.emplace_back(it.first);
             errFileInfos_[it.first].push_back(errno);
         }