diff --git a/src/main/java/com/reandroid/lib/arsc/array/SpecTypePairArray.java b/src/main/java/com/reandroid/lib/arsc/array/SpecTypePairArray.java
index 3d1a7b8..fdacb83 100755
--- a/src/main/java/com/reandroid/lib/arsc/array/SpecTypePairArray.java
+++ b/src/main/java/com/reandroid/lib/arsc/array/SpecTypePairArray.java
@@ -171,7 +171,7 @@ public class SpecTypePairArray extends BlockArray<SpecTypePair>
         }
         return results;
     }
-    public byte getSmallestTypeId(){
+    public int getSmallestTypeId(){
         SpecTypePair[] childes=getChildes();
         if(childes==null){
             return 0;
@@ -183,7 +183,7 @@ public class SpecTypePairArray extends BlockArray<SpecTypePair>
             if(pair==null){
                 continue;
             }
-            int id=pair.getTypeId();
+            int id=pair.getTypeIdInt();
             if(!firstFound){
                 result=id;
             }
@@ -192,30 +192,25 @@ public class SpecTypePairArray extends BlockArray<SpecTypePair>
                 result=id;
             }
         }
-        return (byte) result;
+        return result;
     }
-    public byte getHighestTypeId(){
+    public int getHighestTypeId(){
         SpecTypePair[] childes=getChildes();
         if(childes==null){
             return 0;
         }
         int result=0;
-        boolean firstFound=false;
         for (int i=0;i<childes.length;i++){
             SpecTypePair pair=childes[i];
             if(pair==null){
                 continue;
             }
-            int id=pair.getTypeId();
-            if(!firstFound){
-                result=id;
-            }
-            firstFound=true;
-            if(id<result){
+            int id=pair.getTypeIdInt();
+            if(id>result){
                 result=id;
             }
         }
-        return (byte) result;
+        return result;
     }
     @Override
     public JSONArray toJson() {
diff --git a/src/main/java/com/reandroid/lib/arsc/container/SpecTypePair.java b/src/main/java/com/reandroid/lib/arsc/container/SpecTypePair.java
index 07c23cb..c8b2559 100755
--- a/src/main/java/com/reandroid/lib/arsc/container/SpecTypePair.java
+++ b/src/main/java/com/reandroid/lib/arsc/container/SpecTypePair.java
@@ -84,6 +84,9 @@ public class SpecTypePair extends BlockContainer<Block>
     public byte getTypeId(){
         return mSpecBlock.getTypeId();
     }
+    public int getTypeIdInt(){
+        return mSpecBlock.getTypeIdInt();
+    }
     public void setTypeId(byte id){
         mSpecBlock.setTypeId(id);
         mTypeBlockArray.setTypeId(id);
@@ -201,7 +204,7 @@ public class SpecTypePair extends BlockContainer<Block>
     }
     @Override
     public int compareTo(SpecTypePair specTypePair) {
-        return Integer.compare(getTypeId(), specTypePair.getTypeId());
+        return Integer.compare(getTypeIdInt(), specTypePair.getTypeIdInt());
     }
     @Override
     public String toString(){