why

Assets/WorkSpace/LH/LibraryToggle.cs

@@ -0,0 +1,23 @@
+using UnityEngine;
+using TMPro;
+
+public class LibraryToggle : MonoBehaviour
+{
+    TMP_Text Label;
+    private void Awake()
+    {
+        Label = transform.Find(nameof(Label)).GetComponent<TMP_Text>();
+    }
+
+    public void OnToggle(bool flag)
+    {
+        if (flag)
+        {
+            Label.color = new Color(1, 1, 1);
+        }
+        else
+        {
+            Label.color = new Color(0, 0, 0);
+        }
+    }
+}

Assets/WorkSpace/LH/LibraryToggle.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 281208f402c11bd4ab21fbf11875ca7f