diff --git a/frameworks/native/backup_ext/src/ext_extension.cpp b/frameworks/native/backup_ext/src/ext_extension.cpp
index 1a114693761d6adfd7d7dfd7d1e1ebe6b4673ef2..33715a6c78c7767f4a66ae6a89233d9bd0286578 100644
--- a/frameworks/native/backup_ext/src/ext_extension.cpp
+++ b/frameworks/native/backup_ext/src/ext_extension.cpp
@@ -405,7 +405,8 @@ static void RestoreBigFiles()
 
         string fileName = path + item.first;
         auto [filePath, sta] = item.second;
-
+        HILOGI("!!!!!!!!!!!!!fileName: %{public}s", fileName.c_str());
+        HILOGI("!!!!!!!!!!!!!filePath: %{public}s", filePath.c_str());
         if (access(fileName.data(), F_OK) != 0) {
             HILOGI("file dose not exist");
             continue;
diff --git a/utils/include/b_resources/b_constants.h b/utils/include/b_resources/b_constants.h
index af90a541c6e2d7c98cf30dbd584d5cb651a81786..6659251e47dc20b83c62f95e1aab0ec8069632ff 100644
--- a/utils/include/b_resources/b_constants.h
+++ b/utils/include/b_resources/b_constants.h
@@ -62,7 +62,7 @@ constexpr int DECIMAL_BASE = 10; // 十进制基数
 constexpr int HEADER_SIZE = 512;         // 打包文件头部Header结构体大小
 constexpr int BLOCK_SIZE = 512;          // 打包文件数据段尾部补充的全零字节块上限大小
 constexpr int BLOCK_PADDING_SIZE = 1024; // 打包文件尾部追加的全零字节块大小
-constexpr off_t BIG_FILE_BOUNDARY = 1024 * 1024 * 1024; // 大文件边界
+constexpr off_t BIG_FILE_BOUNDARY = 3 * 1024 * 1024; // 大文件边界
 constexpr unsigned long BIG_FILE_NAME_SIZE = 16;        // 大文件名长度(hash处理)
 
 constexpr int PATHNAME_MAX_SIZE = 100; // 打包文件头部Header结构体各字段数组/字符串大小。