fix:

Author: jsjgameer

Editor/Export/utils/AnimationCurveGroup.cs

@@ -277,7 +277,7 @@ public AnimationCurveGroup(string path, GameObject gameObject, Type type, string
         this._conpomentType = conpomentType;
         this._propnames = new List<string>();
         this._type = type;
-        this._propertyName = propertyName.Split(".")[0];
+        this._propertyName = propertyName.Split('.')[0];
         this._timeLists = new Dictionary<uint, float>();
         this.datas = new Dictionary<float, FrameData>();
     }

Editor/Export/utils/GameObjectUitls.cs

@@ -125,7 +125,7 @@ private static AnimationCurveGroup readTransfromAnimation(EditorCurveBinding bin
     {
         KeyFrameValueType keyType;
         string propNames = "";
-        string property = propertyName.Split(".")[0];
+        string property = propertyName.Split('.')[0];
         if (property == "m_LocalPosition")
         {
             propNames = "localPosition";