diff --git a/interfaces/kits/js/src/mod_fs/class_watcher/watcher_entity.cpp b/interfaces/kits/js/src/mod_fs/class_watcher/watcher_entity.cpp
index 2cdb84a7eb63b19fc78df5a7a54d675f58989aea..3fb00c9d17d045f2a419bbf9af21519679ad2ed2 100644
--- a/interfaces/kits/js/src/mod_fs/class_watcher/watcher_entity.cpp
+++ b/interfaces/kits/js/src/mod_fs/class_watcher/watcher_entity.cpp
@@ -311,6 +311,9 @@ void FileWatcher::NotifyEvent(const struct inotify_event *event, WatcherCallback
             continue;
         }
         if (event->len > 0) {
+            if (fileName.back() == '/') {
+                fileName.pop_back();
+            }
             fileName += "/" + string(event->name);
         }
         callback(iter->env, iter->nRef, fileName, event->mask & IN_ALL_EVENTS, event->cookie);