Tutorial optimize, New gaming light plot

Assets/BuildBTN.cs

@@ -4,7 +4,6 @@
 
 public class BuildBTN : MonoBehaviour
 {
-    public AudioSource DyeBottomSound;
 
     public void OnClick(){
         if(transform.parent.GetChild(transform.parent.childCount - 4).GetChild(0).GetComponent<ItemSlotImg>().getPicID() != 0){
@@ -22,7 +21,6 @@ public void OnClick(){
             transform.parent.GetChild(transform.parent.childCount - 4).GetChild(a).GetComponent<ItemSlotImg>().ChangePic(myID);
             transform.parent.GetChild(transform.parent.childCount - 2).GetChild(a).GetChild(0).GetComponent<ItemSlotImg>().ChangePic(0);
         }
-        DyeBottomSound.Play();
     }
     // Start is called before the first frame update
     void Start()

Assets/ChangingClothes.cs

@@ -31,7 +31,7 @@ public class ChangingClothes : MonoBehaviour
 
     string UserId;
     public int isTeached, task1, task2 ,task3;
-    public GameObject TutorialUI, TutorialUI_1, TutorialUI_2, TutorialUI_3;
+    public GameObject TutorialUI, TutorialUI_1, TutorialUI_2, TutorialUI_3, TutorialUI_4;
     public GameObject giftStar;
 
     void Start()
@@ -77,11 +77,16 @@ public void ToPage3(){
         TutorialUI_2.SetActive(false);
         TutorialUI_3.SetActive(true);
     }
+    public void ToPage4(){
+        TutorialUI_3.SetActive(false);
+        TutorialUI_4.SetActive(true);
+    }
+
     public void ExitTutorial(){
         string url = "https://bkhole.app/islandxes/" + UserId;
         RestClient.Put(url, "{\"t8task\":\"1-0-0-0\"}");
         Time.timeScale = 1;
-        TutorialUI_3.SetActive(false);
+        TutorialUI_4.SetActive(false);
     }
 
     public void DefaultOutfit(){

Assets/GM.cs

@@ -23,7 +23,7 @@ public class GM : MonoBehaviour
 
     public GameObject loading_screen;
     public Slider slider;
-    public GameObject PauseMenuUI;
+    public GameObject PauseMenuUI, HintUI;
     public GameObject FailUI, SuccessUI;
     public AudioSource Button, ClockTicking, TimesUp;
 
@@ -128,7 +128,7 @@ void Update()
                 isCountingDown = true;
             }
         }
-        if(Timer_.time_left_sec < 0){
+        if(Timer_.time_left_sec <= 0){
             Timer_.time_left_sec = 0;
             if(!isTimesUp){
                 TimesUp.Play();
@@ -166,11 +166,19 @@ public void PauseGame(){
         isPause = true;
         Time.timeScale = 0;
         PauseMenuUI.SetActive(true);
+        if (isCountingDown == true){
+            ClockTicking.Pause();
+        }
     }
     public void ResumeGame(){
         isPause = false;
         Time.timeScale = 1;
         PauseMenuUI.SetActive(false);
+        HintUI.SetActive(false);
+        GameObject.Find("MainUI").transform.GetChild(GameObject.Find("MainUI").transform.childCount - 1).gameObject.SetActive(true);
+        if (isCountingDown == true){
+            ClockTicking.Play();
+        }
     }
     public void RestartGame(){
         StartCoroutine(LoadScene("Demo 01"));
@@ -182,6 +190,15 @@ public void NextStage(){
         //To Next stage
         //StartCoroutine(LoadScene("ChooseCloth"));
     }
+    public void HintInGame(){
+        isPause = true;
+        Time.timeScale = 0;
+        HintUI.SetActive(true);
+        GameObject.Find("MainUI").transform.GetChild(GameObject.Find("MainUI").transform.childCount - 1).gameObject.SetActive(false);
+        if (isCountingDown == true){
+            ClockTicking.Pause();
+        }
+    }
     IEnumerator LoadScene(string SceneName){
         AsyncOperation op =  SceneManager.LoadSceneAsync (sceneName: SceneName);