diff --git a/interfaces/kits/js/src/mod_fs/properties/copy.cpp b/interfaces/kits/js/src/mod_fs/properties/copy.cpp
index 6bc6aa29c2abaadeccf897449dc89058769abb92..57a1e4490fe2d0f2e19d81e73a1f849010f6953c 100644
--- a/interfaces/kits/js/src/mod_fs/properties/copy.cpp
+++ b/interfaces/kits/js/src/mod_fs/properties/copy.cpp
@@ -281,7 +281,7 @@ uint64_t Copy::GetDirSize(std::shared_ptr<FileInfos> infos, const std::string &p
     int num = scandir(path.c_str(), &(pNameList->namelist), FilterFunc, alphasort);
     pNameList->direntNum = num;
 
-    long int size = 0;
+    uint64_t size = 0;
     for (int i = 0; i < num; i++) {
         string dest = path + '/' + string((pNameList->namelist[i])->d_name);
         if ((pNameList->namelist[i])->d_type == DT_LNK) {
@@ -471,7 +471,8 @@ void Copy::ReceiveComplete(uv_work_t *work, int stat)
         return;
     }
     NVal obj = NVal::CreateObject(env);
-    if (processedSize <= numeric_limits<int64_t>::max() && entry->totalSize <= numeric_limits<int64_t>::max()) {
+    if (processedSize <= static_cast<uint64_t>(numeric_limits<int64_t>::max()) &&
+        entry->totalSize <= static_cast<uint64_t>(numeric_limits<int64_t>::max())) {
         obj.AddProp("processedSize", NVal::CreateInt64(env, processedSize).val_);
         obj.AddProp("totalSize", NVal::CreateInt64(env, entry->totalSize).val_);
     }
@@ -647,7 +648,7 @@ void Copy::ReadNotifyEvent(std::shared_ptr<FileInfos> infos)
             OnFileReceive(infos);
             infos->notifyTime = currentTime + NOTIFY_PROGRESS_DELAY;
         }
-        index += sizeof(struct inotify_event) + event->len;
+        index += sizeof(struct inotify_event) + static_cast<int>(event->len);
     }
 }
 
@@ -668,11 +669,11 @@ void Copy::GetNotifyEvent(std::shared_ptr<FileInfos> infos)
     while (infos->run && infos->exceptionCode == ERRNO_NOERR && infos->eventFd != -1 && infos->notifyFd != -1) {
         auto ret = poll(fds, nfds, -1);
         if (ret > 0) {
-            if (fds[0].revents & POLLNVAL) {
+            if (static_cast<unsigned short>(fds[0].revents) & POLLNVAL) {
                 infos->run = false;
                 return;
             }
-            if (fds[1].revents & POLLIN) {
+            if (static_cast<unsigned short>(fds[1].revents) & POLLIN) {
                 ReadNotifyEvent(infos);
             }
         } else if (ret < 0 && errno == EINTR) {
diff --git a/interfaces/kits/js/src/mod_fs/properties/copy_listener/trans_listener.cpp b/interfaces/kits/js/src/mod_fs/properties/copy_listener/trans_listener.cpp
index c4a8b6169a299ab44727f49029245cf14803ab02..77f5d19aa3d504aca7cfcebc2f7b9a897848a26e 100644
--- a/interfaces/kits/js/src/mod_fs/properties/copy_listener/trans_listener.cpp
+++ b/interfaces/kits/js/src/mod_fs/properties/copy_listener/trans_listener.cpp
@@ -217,7 +217,7 @@ void TransListener::CallbackComplete(uv_work_t *work, int stat)
         return;
     }
     NVal obj = NVal::CreateObject(env);
-    if (entry->progressSize <= numeric_limits<int64_t>::max() &&
+    if (entry->progressSize <= static_cast<uint64_t>(numeric_limits<int64_t>::max()) &&
         entry->totalSize <= static_cast<uint64_t>(numeric_limits<int64_t>::max())) {
         obj.AddProp("processedSize", NVal::CreateInt64(env, entry->progressSize).val_);
         obj.AddProp("totalSize", NVal::CreateInt64(env, entry->totalSize).val_);