diff --git a/interfaces/kits/js/src/mod_fs/properties/copy.cpp b/interfaces/kits/js/src/mod_fs/properties/copy.cpp
index 678dda4b92bb331d0ef558b968f28cc42f2ea11c..283888ed314383b579117ce0f154d9e3b9e66146 100644
--- a/interfaces/kits/js/src/mod_fs/properties/copy.cpp
+++ b/interfaces/kits/js/src/mod_fs/properties/copy.cpp
@@ -18,7 +18,7 @@
 #include <cstring>
 #include <dirent.h>
 #include <fcntl.h>
-#include <limits>
+#include <climits>
 #include <memory>
 #include <poll.h>
 #include <sys/eventfd.h>
@@ -249,6 +249,13 @@ static void Deleter(struct NameList *arg)
     free(arg->namelist);
 }
 
+void Copy::GetRealPath(string &path)
+{
+    unique_ptr<char[]> absPath = make_unique<char[]>(PATH_MAX + 1);
+    realpath(path.c_str(),absPath.get());
+    path = absPath.get();
+}
+
 uint64_t Copy::GetDirSize(std::shared_ptr<FileInfos> infos, std::string path)
 {
     unique_ptr<struct NameList, decltype(Deleter) *> pNameList = { new (nothrow) struct NameList, Deleter };
@@ -322,8 +329,8 @@ int Copy::CopyDirFunc(const string &src, const string &dest, std::shared_ptr<Fil
 
 int Copy::ExecLocal(std::shared_ptr<FileInfos> infos, std::shared_ptr<JsCallbackObject> callback)
 {
-    if (infos->srcPath == infos->destPath) {
-        HILOGE("The src and dest are the same.");
+    if (infos->destPath.find(infos->srcPath) != std::string::npos) {
+        HILOGE("The src directory is the subdirectory of dest");
         return EINVAL;
     }
     if (IsFile(infos->srcPath)) {
@@ -671,6 +678,8 @@ tuple<int, std::shared_ptr<FileInfos>> Copy::CreateFileInfos(
     infos->listener = listener;
     infos->srcPath = ConvertUriToPath(infos->srcUri);
     infos->destPath = ConvertUriToPath(infos->destUri);
+    GetRealPath(infos->destPath);
+    GetRealPath(infos->srcPath);
     infos->notifyTime = std::chrono::steady_clock::now() + NOTIFY_PROGRESS_DELAY;
     if (listener) {
         infos->hasListener = true;
diff --git a/interfaces/kits/js/src/mod_fs/properties/copy.h b/interfaces/kits/js/src/mod_fs/properties/copy.h
index dc792fa968a262dab4777c9933d6aa5ceb1c4ac7..22e55f87eee020bcea415165123ec31eaea8e86d 100644
--- a/interfaces/kits/js/src/mod_fs/properties/copy.h
+++ b/interfaces/kits/js/src/mod_fs/properties/copy.h
@@ -93,7 +93,7 @@ struct FileInfos {
         if (srcUri == infos.srcUri) {
             return destUri < infos.destUri;
         }
-        return (srcUri < infos.srcUri || destUri < infos.destUri);
+        return srcUri < infos.srcUri;
     }
 };
 
@@ -165,6 +165,7 @@ private:
     static bool IsDirectory(const std::string &path);
     static bool IsFile(const std::string &path);
     static std::string ConvertUriToPath(const std::string &uri);
+    static void GetRealPath(string &path);
 };
 } // namespace ModuleFileIO
 } // namespace FileManagement