diff --git a/native/cocos/platform/openharmony/FileUtils-OpenHarmony.cpp b/native/cocos/platform/openharmony/FileUtils-OpenHarmony.cpp
index ac331a40d45..2387b12a88c 100644
--- a/native/cocos/platform/openharmony/FileUtils-OpenHarmony.cpp
+++ b/native/cocos/platform/openharmony/FileUtils-OpenHarmony.cpp
@@ -178,11 +178,25 @@ long FileUtilsOpenHarmony::getFileSize(const std::string &filepath) {
     if (fullPath.empty()) {
         return 0;
     }
+
+    if(fullPath[0] == '/') {
+        return FileUtils::getFileSize(fullPath);
+    }
+
     if (nullptr == _nativeResourceManager) {
         CC_LOG_ERROR("nativeResourceManager is nullptr");
         return 0;
     }
 
+    if (fullPath[0] == '/') {
+        struct stat info;
+        int result = stat(fullPath.c_str(), &info);
+        if (result != 0) {
+            return -1;
+        }
+        return static_cast<long>(info.st_size);
+    }
+
     long filesize = 0;
     RawFile64 *rawFile = OH_ResourceManager_OpenRawFile64(_nativeResourceManager, fullPath.c_str());
     if (rawFile) {
@@ -201,11 +215,11 @@ bool FileUtilsOpenHarmony::isFileExistInternal(const std::string &strFilePath) c
         return false;
     }
 
-    if (strFilePath[0] != '/') { 
+    if (strFilePath[0] != '/') {
         const char *s = strFilePath.c_str();
         // Found "@assets/" at the beginning of the path and we don't want it
         if (strFilePath.find(ASSETS_FOLDER_NAME) == 0) s += strlen(ASSETS_FOLDER_NAME);
-        
+
         if (nullptr == _nativeResourceManager) {
             CC_LOG_ERROR("nativeResourceManager is nullptr");
             return false;
@@ -217,7 +231,7 @@ bool FileUtilsOpenHarmony::isFileExistInternal(const std::string &strFilePath) c
             return true;
         }
         return false;
-    } 
+    }
     FILE *fp = fopen(strFilePath.c_str(), "r");
     if (fp) {
         fclose(fp);