diff --git a/Unity Studio/AssetsFile.cs b/Unity Studio/AssetsFile.cs
index e54c0ce..fd36bdb 100644
--- a/Unity Studio/AssetsFile.cs	
+++ b/Unity Studio/AssetsFile.cs	
@@ -273,9 +273,13 @@ namespace Unity_Studio
         private void readBase5()
         {
             int classID = a_Stream.ReadInt32();
-            if (classID < 0) { a_Stream.Position += 16; }
             if (fileGen > 15)
             {
+                if (classID == 0)//TODO 暂时用这种方法解决
+                {
+                    a_Stream.Position += 12;
+                    classID = a_Stream.ReadInt32();
+                }
                 a_Stream.ReadByte();
                 int type1;
                 if ((type1 = a_Stream.ReadInt16()) >= 0)
@@ -290,6 +294,10 @@ namespace Unity_Studio
                 classIDs.Add(new int[] { type1, classID });
                 classID = type1;
             }
+            else if (classID < 0)
+            {
+                a_Stream.Position += 16;
+            }
             a_Stream.Position += 16;
 
             if (baseDefinitions)
diff --git a/Unity Studio/Unity Classes/PlayerSettings.cs b/Unity Studio/Unity Classes/PlayerSettings.cs
index e77dadd..f3aa142 100644
--- a/Unity Studio/Unity Classes/PlayerSettings.cs	
+++ b/Unity Studio/Unity Classes/PlayerSettings.cs	
@@ -7,8 +7,8 @@ namespace Unity_Studio
 {
     public class PlayerSettings
     {
-        public string companyName = "";
-        public string productName = "";
+        public string companyName;
+        public string productName;
 
         public PlayerSettings(AssetPreloadData preloadData)
         {
@@ -17,7 +17,7 @@ namespace Unity_Studio
             a_Stream.Position = preloadData.Offset;
 
 
-            if ((sourceFile.version[0] == 5 && sourceFile.version[1] >= 5) || sourceFile.version[0] > 5)//5.5.0 nad up
+            if ((sourceFile.version[0] == 5 && sourceFile.version[1] >= 4) || sourceFile.version[0] > 5)//5.4.0 nad up
             {
                 //productGUID
                 a_Stream.ReadInt32();