Помощь с юнити

Почему Юнити считает что персонаж прыгает, хоть он стоит на месте, но если отойти в другое место прыжок работает
код:
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class PlayerScript2D : MonoBehaviour
{
private Rigidbody2D rb;
private float HorizontalMove = 0f;
private bool FacingRight = true;

[Header("Player Movement Settings")]
[Range(0, 10f)] public float speed = 1f;
[Range(0, 15f)] public float jumpForce = 8f;

[Header("Player Animtaion Settings")]
public Animator animator;

[Space]
[Header("Ground Cheker Settings")]
public bool isGrounded = false;
[Range(-5f, 5f)] public float checkGroundOffsetY = -1.8f;
[Range(0, 5f)] public float checkGroundRadius = 0.3f;
void Start()
{
rb = GetComponent<Rigidbody2D>();
}

void Update()
{
if (isGrounded && Input.GetKeyDown(KeyCode.Space))
{
rb.AddForce(transform.up * jumpForce, ForceMode2D.Impulse);
}

HorizontalMove = Input.GetAxisRaw("Horizontal") * speed;

animator.SetFloat("HorizontalMove", Mathf.Abs(HorizontalMove));

if (isGrounded == false)
{
animator.SetBool("Jumping", true);
}
else
{
animator.SetBool("Jumping", false);
}

if (HorizontalMove < 0 && FacingRight)
{
Flip();
}
else if (HorizontalMove > 0 && !FacingRight)
{
Flip();
}
}
private void FixedUpdate()
{
Vector2 targetVelocity = new Vector2(HorizontalMove * 10f, rb.linearVelocity.y);
rb.linearVelocity = targetVelocity;

CheckGround();
}

private void Flip()
{
FacingRight = !FacingRight;

Vector3 theScale = transform.localScale;
theScale.x *= -1;
transform.localScale = theScale;
}
private void CheckGround()
{
Collider2D[] colliders = Physics2D.OverlapCircleAll
(new Vector2(transform.position.x, transform.position.y + checkGroundOffsetY), checkGroundRadius);

if (colliders.Length > 1)
{
isGrounded = true;
}
else
{
isGrounded= false;
}
}
}