diff --git a/ulib/libax/src/cbindings/io_mpx/epoll.rs b/ulib/libax/src/cbindings/io_mpx/epoll.rs
index 0131ea1284..2f99fbca93 100644
--- a/ulib/libax/src/cbindings/io_mpx/epoll.rs
+++ b/ulib/libax/src/cbindings/io_mpx/epoll.rs
@@ -37,7 +37,7 @@ impl EpollInstance {
     }
 
     pub fn control(&self, op: usize, fd: usize, event: &ctypes::epoll_event) -> LinuxResult<usize> {
-        match get_file_like(fd) {
+        match get_file_like(fd as c_int) {
             Ok(_) => {}
             Err(e) => return Err(e),
         }
@@ -47,13 +47,13 @@ impl EpollInstance {
                 if let Entry::Occupied(_) = self.events.lock().entry(fd) {
                     return Err(LinuxError::EEXIST);
                 }
-                self.events.lock().insert(fd, event.clone());
+                self.events.lock().insert(fd, *event);
                 self.new_ctl_list.lock().insert(fd);
             }
             ctypes::EPOLL_CTL_MOD => {
                 let mut events = self.events.lock();
                 if let Entry::Occupied(mut ocp) = events.entry(fd) {
-                    ocp.insert(event.clone());
+                    ocp.insert(*event);
                     self.new_ctl_list.lock().insert(fd);
                 } else {
                     return Err(LinuxError::ENOENT);
@@ -213,13 +213,13 @@ pub unsafe extern "C" fn ax_epoll_wait(
                     let epollevent = epoll_instance.events.lock().get_mut(infd).cloned().unwrap();
                     if status.readable && ((epollevent.events & ctypes::EPOLLIN) != 0) {
                         (*events.add(events_num)).events = ctypes::EPOLLIN;
-                        (*events.add(events_num)).data.u64_ = epollevent.data.ptr;
+                        (*events.add(events_num)).data.u64_ = epollevent.data.u64_;
                         events_num += 1;
                     }
 
                     if status.writable && ((epollevent.events & ctypes::EPOLLOUT) != 0) {
                         (*events.add(events_num)).events = ctypes::EPOLLOUT;
-                        (*events.add(events_num)).data.u64_ = epollevent.data.ptr;
+                        (*events.add(events_num)).data.u64_ = epollevent.data.u64_;
                         events_num += 1;
                     }
                 }