How to tap while holding UI button ?(on touch screen)

I am creating my character controller on touchscreen. Firstly i created a swipe script and attached it to my character so when i swipe down side up my character is going to jump . Next i created two button to make my character move by using Event trigger . When i hold the buttons my character is going to move. Big problem there is i can only do once action , i can't swipe to jump while holding a run button. I am a newbie please help me . very appreciate . Sorry for my pool English.
here is my swipe script:

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 
 public enum SwipeDirection
 {
     None=0,
     Left=1,
     Right=2,
     Up=4,
     Down=8, 
 }
 
 public class Swipe_script : MonoBehaviour {
 
     // Use this for initialization
     private static Swipe_script instance;
     public static Swipe_script Instance{get{return instance;}}
     //khai bao static de goi script ma khong can component  
 
     public SwipeDirection Direction { set; get; }
 
     private Vector3 touchPos;
     private float swipeResistanceX = 50f;
     private float swipeResistanceY = 100f;
     private void Start()
     {
         instance = this;
     }
     private void Update()
     {
         Direction = SwipeDirection.None;
 
         if (Input.GetMouseButtonDown(0))
         {
             touchPos = Input.mousePosition;
 
         }
         if (Input.GetMouseButtonUp(0))
         {
             Vector2 deltaSwipe = touchPos - Input.mousePosition;
             if (Mathf.Abs(deltaSwipe.x) > swipeResistanceX)
             {
                 //swipe on the X axis
                 Direction |= (deltaSwipe.x < 0) ? SwipeDirection.Right:SwipeDirection.Left;  //? = new , : = hoac
 
             }
             if (Mathf.Abs(deltaSwipe.y) > swipeResistanceY)
             {
                 //swipe on the y axis
                 Direction |= (deltaSwipe.y < 0) ? SwipeDirection.Up : SwipeDirection.Down;
             }
         }
     }
     public bool IsSwiping(SwipeDirection dir)
     {
         return (Direction & dir) == dir;
     }
 }