diff --git a/src/main/java/com/reandroid/apk/ApkModule.java b/src/main/java/com/reandroid/apk/ApkModule.java
index 9eceda5..c1dd959 100644
--- a/src/main/java/com/reandroid/apk/ApkModule.java
+++ b/src/main/java/com/reandroid/apk/ApkModule.java
@@ -180,7 +180,7 @@ public class ApkModule {
                 continue;
             }
             for(TableString tableString:groupTableString.listItems()){
-                List<Entry> entryList = tableString.listReferencedEntries();
+                List<Entry> entryList = tableString.listReferencedResValueEntries();
                 if(entryList.size()==0){
                     continue;
                 }
diff --git a/src/main/java/com/reandroid/arsc/array/StringArray.java b/src/main/java/com/reandroid/arsc/array/StringArray.java
index 142943c..37140f7 100755
--- a/src/main/java/com/reandroid/arsc/array/StringArray.java
+++ b/src/main/java/com/reandroid/arsc/array/StringArray.java
@@ -58,7 +58,7 @@ public abstract class StringArray<T extends StringItem> extends OffsetBlockArray
     public List<T> listUnusedStrings(){
         List<T> results=new ArrayList<>();
         for(T item:listItems()){
-            if(item.getReferencedList().size()==0){
+            if(!item.hasReference()){
                 results.add(item);
             }
         }
diff --git a/src/main/java/com/reandroid/arsc/chunk/xml/ResIdBuilder.java b/src/main/java/com/reandroid/arsc/chunk/xml/ResIdBuilder.java
index 0e72a08..43fe337 100644
--- a/src/main/java/com/reandroid/arsc/chunk/xml/ResIdBuilder.java
+++ b/src/main/java/com/reandroid/arsc/chunk/xml/ResIdBuilder.java
@@ -38,14 +38,14 @@ public class ResIdBuilder implements Comparator<Integer> {
         xmlIDArray.ensureSize(size);
         for(int i=0;i<size;i++){
             ResXmlString xmlString = xmlStringsArray.get(i);
-            if(xmlString.getReferencedList().size()>0){
+            if(xmlString.hasReference()){
                 ResXmlString replaceXmlString=new ResXmlString(xmlString.isUtf8(), xmlString.get());
                 xmlStringsArray.setItem(i, replaceXmlString);
                 xmlStringsArray.add(xmlString);
                 xmlString=replaceXmlString;
             }
             ResXmlID xmlID = xmlIDArray.get(i);
-            if(xmlID.getReferencedList().size()>0){
+            if(xmlID.hasReference()){
                 ResXmlID replaceXmlId = new ResXmlID(xmlID.get());
                 xmlIDArray.setItem(i, replaceXmlId);
                 xmlIDArray.add(xmlID);
diff --git a/src/main/java/com/reandroid/arsc/chunk/xml/ResXmlAttribute.java b/src/main/java/com/reandroid/arsc/chunk/xml/ResXmlAttribute.java
index 3e570e0..474cb6f 100755
--- a/src/main/java/com/reandroid/arsc/chunk/xml/ResXmlAttribute.java
+++ b/src/main/java/com/reandroid/arsc/chunk/xml/ResXmlAttribute.java
@@ -197,7 +197,7 @@
      }
      @Override
      protected void onUnlinkDataString(StringItem stringItem){
-         if(stringItem.getReferencedList().size()==0){
+         if(!stringItem.hasReference()){
              stringItem.set("");
          }
      }
@@ -277,7 +277,7 @@
              return;
          }
          stringItem.removeReference(reference);
-         if(stringItem.getReferencedList().size()==0){
+         if(!stringItem.hasReference()){
              stringItem.set("");
          }
      }
diff --git a/src/main/java/com/reandroid/arsc/item/ResXmlID.java b/src/main/java/com/reandroid/arsc/item/ResXmlID.java
index bcfb473..36e60a8 100755
--- a/src/main/java/com/reandroid/arsc/item/ResXmlID.java
+++ b/src/main/java/com/reandroid/arsc/item/ResXmlID.java
@@ -42,6 +42,9 @@ public class ResXmlID extends IntegerItem {
             mReferencedList.add(ref);
         }
     }
+    public boolean hasReference(){
+        return mReferencedList.size()>0;
+    }
     public int getReferenceCount(){
         return mReferencedList.size();
     }
diff --git a/src/main/java/com/reandroid/arsc/item/ResXmlString.java b/src/main/java/com/reandroid/arsc/item/ResXmlString.java
index 1135995..5e65127 100755
--- a/src/main/java/com/reandroid/arsc/item/ResXmlString.java
+++ b/src/main/java/com/reandroid/arsc/item/ResXmlString.java
@@ -15,7 +15,6 @@
   */
 package com.reandroid.arsc.item;
 
-import java.util.List;
 
 public class ResXmlString extends StringItem {
     public ResXmlString(boolean utf8) {
@@ -25,9 +24,4 @@ public class ResXmlString extends StringItem {
         this(utf8);
         set(value);
     }
-    @Override
-    public String toString(){
-        List<ReferenceItem> refList = getReferencedList();
-        return "USED BY="+refList.size()+"{"+super.toString()+"}";
-    }
 }
diff --git a/src/main/java/com/reandroid/arsc/item/SpecString.java b/src/main/java/com/reandroid/arsc/item/SpecString.java
index d60fd3e..10f7697 100755
--- a/src/main/java/com/reandroid/arsc/item/SpecString.java
+++ b/src/main/java/com/reandroid/arsc/item/SpecString.java
@@ -15,8 +15,6 @@
   */
 package com.reandroid.arsc.item;
 
- import java.util.List;
-
  public class SpecString extends StringItem {
     public SpecString(boolean utf8) {
         super(utf8);
@@ -26,9 +24,4 @@ package com.reandroid.arsc.item;
         // Spec (resource name) don't have style unless to obfuscate/confuse other decompilers
         return null;
     }
-     @Override
-     public String toString(){
-         List<ReferenceItem> refList = getReferencedList();
-         return "USED BY="+refList.size()+"{"+super.toString()+"}";
-     }
 }
diff --git a/src/main/java/com/reandroid/arsc/item/StringItem.java b/src/main/java/com/reandroid/arsc/item/StringItem.java
index e5d6222..6542c66 100755
--- a/src/main/java/com/reandroid/arsc/item/StringItem.java
+++ b/src/main/java/com/reandroid/arsc/item/StringItem.java
@@ -50,6 +50,9 @@ public class StringItem extends BlockItem implements JSONConvert<JSONObject> {
     public void removeAllReference(){
         mReferencedList.clear();
     }
+    public boolean hasReference(){
+        return mReferencedList.size()>0;
+    }
     public List<ReferenceItem> getReferencedList(){
         return mReferencedList;
     }
@@ -250,11 +253,11 @@ public class StringItem extends BlockItem implements JSONConvert<JSONObject> {
     }
     @Override
     public String toString(){
-        String str=get();
+        String str=getHtml();
         if(str==null){
             return "NULL";
         }
-        return str;
+        return "USED BY="+getReferencedList().size()+"{"+str+"}";
     }
 
     private static int[] decodeUtf8StringByteLength(byte[] lengthBytes) {
diff --git a/src/main/java/com/reandroid/arsc/item/TableString.java b/src/main/java/com/reandroid/arsc/item/TableString.java
index f011de2..b82f336 100755
--- a/src/main/java/com/reandroid/arsc/item/TableString.java
+++ b/src/main/java/com/reandroid/arsc/item/TableString.java
@@ -28,7 +28,7 @@ public class TableString extends StringItem {
     public TableString(boolean utf8) {
         super(utf8);
     }
-    public List<Entry> listReferencedEntries(){
+    public List<Entry> listReferencedResValueEntries(){
         List<Entry> results=new ArrayList<>();
         for(ReferenceItem ref:getReferencedList()){
             if(!(ref instanceof ReferenceBlock)){
@@ -46,9 +46,4 @@ public class TableString extends StringItem {
         }
         return results;
     }
-    @Override
-    public String toString(){
-        List<ReferenceItem> refList = getReferencedList();
-        return "USED BY="+refList.size()+"{"+super.toString()+"}";
-    }
 }
diff --git a/src/main/java/com/reandroid/arsc/item/TypeString.java b/src/main/java/com/reandroid/arsc/item/TypeString.java
index 3806b69..50037b6 100755
--- a/src/main/java/com/reandroid/arsc/item/TypeString.java
+++ b/src/main/java/com/reandroid/arsc/item/TypeString.java
@@ -35,4 +35,8 @@ package com.reandroid.arsc.item;
         // Type don't have style unless to obfuscate/confuse other decompilers
         return null;
     }
+    @Override
+    public String toString(){
+        return String.format("0x%02x", getId())+':'+get();
+    }
 }