diff --git a/src/main/java/com/reandroid/lib/arsc/array/StagedAliasEntryArray.java b/src/main/java/com/reandroid/lib/arsc/array/StagedAliasEntryArray.java
index ce11d4d..90355ce 100644
--- a/src/main/java/com/reandroid/lib/arsc/array/StagedAliasEntryArray.java
+++ b/src/main/java/com/reandroid/lib/arsc/array/StagedAliasEntryArray.java
@@ -34,6 +34,19 @@
          this.count=count;
          this.count.setBlockLoad(this);
      }
+     public StagedAliasEntry searchByStagedResId(int stagedResId){
+         StagedAliasEntry[] childes=getChildes();
+         if(childes==null){
+             return null;
+         }
+         for(int i=0;i<childes.length;i++){
+             StagedAliasEntry entry=childes[i];
+             if(stagedResId==entry.getStagedResId()){
+                 return entry;
+             }
+         }
+         return null;
+     }
      @Override
      public void addAll(StagedAliasEntry[] aliasEntries){
          super.addAll(aliasEntries);
diff --git a/src/main/java/com/reandroid/lib/arsc/chunk/PackageBlock.java b/src/main/java/com/reandroid/lib/arsc/chunk/PackageBlock.java
index adba58f..4b52a49 100755
--- a/src/main/java/com/reandroid/lib/arsc/chunk/PackageBlock.java
+++ b/src/main/java/com/reandroid/lib/arsc/chunk/PackageBlock.java
@@ -33,7 +33,7 @@ package com.reandroid.lib.arsc.chunk;
  import com.reandroid.lib.arsc.pool.TypeStringPool;
  import com.reandroid.lib.arsc.value.EntryBlock;
  import com.reandroid.lib.arsc.value.LibraryInfo;
- import com.reandroid.lib.json.JSONArray;
+ import com.reandroid.lib.arsc.value.StagedAliasEntry;
  import com.reandroid.lib.json.JSONConvert;
  import com.reandroid.lib.json.JSONObject;
 
@@ -114,6 +114,17 @@ package com.reandroid.lib.arsc.chunk;
         addChild(mPackageLastBlocks);
 
     }
+
+    public StagedAliasEntry searchByStagedResId(int stagedResId){
+        for(StagedAlias stagedAlias:getStagedAliasList().getChildes()){
+            StagedAliasEntry entry=stagedAlias.getStagedAliasEntryArray()
+                    .searchByStagedResId(stagedResId);
+            if(entry!=null){
+                return entry;
+            }
+        }
+        return null;
+    }
     public BlockList<StagedAlias> getStagedAliasList(){
         return mStagedAliasList;
     }