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 1ede032efed4f62747ac0eb5f971f24389de7c43..5e9340b791e4817d610a9564fd453a22539c795a 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
@@ -16,7 +16,6 @@
 
 #include <cerrno>
 #include <cstdint>
-#include <mutex>
 #include <unistd.h>
 #include <algorithm>
 
@@ -28,7 +27,6 @@ using namespace OHOS::FileManagement::LibN;
 using namespace std;
 
 mutex FileWatcher::watchMutex_;
-mutex FileWatcher::selectMutex_;
 
 FileWatcher::FileWatcher() {}
 
@@ -150,10 +148,6 @@ int FileWatcher::StopNotify(shared_ptr<WatcherInfoArg> arg)
 
 void FileWatcher::GetNotifyEvent(WatcherCallback callback)
 {
-    unique_lock<mutex> lock(selectMutex_, std::try_to_lock);
-    if (!lock.try_lock()) {
-        return;
-    }
     if (run_) {
         return;
     }
@@ -163,15 +157,12 @@ void FileWatcher::GetNotifyEvent(WatcherCallback callback)
     fd_set fds;
     FD_ZERO(&fds);
     FD_SET(notifyFd_, &fds);
-    struct timeval tv;
-    tv.tv_sec = 0;
-    tv.tv_usec = 1000;
     while (run_) {
         if (notifyFd_ < 0) {
             HILOGE("Failed to run Listener Thread because notifyFd_:%{public}d", notifyFd_);
             break;
         }
-        if (select(notifyFd_ + 1, &fds, nullptr, nullptr, &tv) > 0) {
+        if (select(notifyFd_ + 1, &fds, nullptr, nullptr, nullptr) > 0) {
             int len, index = 0;
             while (((len = read(notifyFd_, &buf, sizeof(buf))) < 0) && (errno == EINTR)) {};
             while (index < len) {
diff --git a/interfaces/kits/js/src/mod_fs/class_watcher/watcher_entity.h b/interfaces/kits/js/src/mod_fs/class_watcher/watcher_entity.h
index 102430604da1cbe0de6d46d0459b36da9e3878ee..37db1b7bf9227d950edbe9ae09202a5ad619a534 100644
--- a/interfaces/kits/js/src/mod_fs/class_watcher/watcher_entity.h
+++ b/interfaces/kits/js/src/mod_fs/class_watcher/watcher_entity.h
@@ -67,7 +67,6 @@ private:
 
 private:
     static std::mutex watchMutex_;
-    static std::mutex selectMutex_;
     bool run_ = false;
     int32_t notifyFd_ = -1;
     std::unordered_set<std::shared_ptr<WatcherInfoArg>> watcherInfoSet_;