fix #389

Assets/YooAsset/Runtime/YooAssetsDriver.cs

@@ -5,6 +5,14 @@ namespace YooAsset
 {
     internal class YooAssetsDriver : MonoBehaviour
     {
+#if UNITY_EDITOR
+        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
+        private static void OnRuntimeInitialize()
+        {
+            LastestUpdateFrame = 0;
+        }
+#endif
+
         private static int LastestUpdateFrame = 0;
 
         void Update()