diff --git a/BUILD.gn b/BUILD.gn
index 532a37f..a2d9fa6 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -45,7 +45,6 @@ ohos_executable("restool") {
     "src/resource_util.cpp",
     "src/restool.cpp",
     "src/select_compile_parse.cpp",
-    "src/task_handle.cpp",
     "src/thread_pool.cpp",
     "src/translatable_parser.cpp",
   ]
diff --git a/include/binary_file_packer.h b/include/binary_file_packer.h
index 308fbd2..e241ac6 100644
--- a/include/binary_file_packer.h
+++ b/include/binary_file_packer.h
@@ -29,7 +29,7 @@ public:
     ~BinaryFilePacker();
     std::future<uint32_t> CopyBinaryFileAsync(const std::vector<std::string> &inputs);
     void StopCopy();
-    void SetCopyHapMode(bool state);
+    void SetCopyHap(bool state);
 
 private:
     uint32_t CopyBinaryFile(const std::vector<std::string> &inputs);
@@ -37,12 +37,13 @@ private:
     uint32_t CopyBinaryFileImpl(const std::string &src, const std::string &dst);
     uint32_t CopySingleFile(const std::string &path, std::string &subPath);
     uint32_t CopyBinaryFileWithHap(const std::vector<std::string> &inputs);
+    bool IsDefinedFile(const std::unique_ptr<FileEntry> &entry, std::string subPath);
     PackageParser packageParser_;
     std::string moduleName_;
     ThreadPool threadPool_;
     std::vector<std::future<uint32_t>> copyResults_;
     std::atomic<bool> stopCopy_{false};
-    bool copyHapMode_{false};
+    bool copyHap_{false};
     std::mutex mutex_;
 };
 } // namespace Restool
diff --git a/include/cmd_parser.h b/include/cmd_parser.h
index b85fad0..3e90ab7 100644
--- a/include/cmd_parser.h
+++ b/include/cmd_parser.h
@@ -57,8 +57,7 @@ public:
     bool IsTargetConfig() const;
     const std::vector<std::string> &GetSysIdDefinedPaths() const;
     const std::string &GetCompressionPath() const;
-    bool ExistIndex();
-    bool GetOverlap();
+    bool ExistHapInput();
 
 private:
     void InitCommand();
@@ -114,7 +113,6 @@ private:
     bool isTtargetConfig_;
     std::vector<std::string> sysIdDefinedPaths_;
     std::string compressionPath_;
-    bool overlap_ = false;
 };
 
 template<class T>
diff --git a/include/file_manager.h b/include/file_manager.h
index b2de5a8..aa4a0c6 100644
--- a/include/file_manager.h
+++ b/include/file_manager.h
@@ -35,10 +35,10 @@ public:
     {
         moduleName_ = moduleName;
     };
-    void SetHapItems();
+    void MarkItemsAsHap();
     uint32_t MergeResourceItem(const std::map<int64_t, std::vector<ResourceItem>> &resourceInfos);
     bool ScaleIcons(const std::string &output, const std::map<std::string, std::set<uint32_t>> &iconMap);
-    void SetHapMode(bool state);
+    void SetScanHap(bool state);
 
 private:
     uint32_t ScanModule(const std::string &input, const std::string &output);
@@ -49,7 +49,7 @@ private:
     // id, resource items
     std::map<int64_t, std::vector<ResourceItem>> items_;
     std::string moduleName_;
-    bool hapMode_ = false;
+    bool scanHap_ = false;
 };
 }
 }
diff --git a/include/i_resource_compiler.h b/include/i_resource_compiler.h
index 301dc25..0a3f5df 100644
--- a/include/i_resource_compiler.h
+++ b/include/i_resource_compiler.h
@@ -33,7 +33,7 @@ public:
     void SetModuleName(const std::string &moduleName);
     uint32_t CompileForAppend(const FileInfo &fileInfo);
     const std::map<std::pair<ResType, std::string>, std::vector<ResourceItem>> &GetResourceItems() const;
-    void SetHapRes();
+    void SetHapRes(bool state);
 
 protected:
     virtual uint32_t CompileSingleFile(const FileInfo &fileInfo);
@@ -43,7 +43,7 @@ protected:
     ResType type_;
     std::string output_;
     std::string moduleName_;
-    bool isHapRes_ = false;
+    bool hapRes_ = false;
 
     // id, resource items
     std::map<int64_t, std::vector<ResourceItem>> resourceInfos_;
diff --git a/include/resource_item.h b/include/resource_item.h
index a6c462d..c23133e 100644
--- a/include/resource_item.h
+++ b/include/resource_item.h
@@ -34,7 +34,7 @@ public:
     void SetFilePath(const std::string &filePath);
     void SetLimitKey(const std::string &limitKey);
     void SetName(const std::string &name);
-    void SetHapRes();
+    void MarkHapRes();
 
     const int8_t *GetData() const;
     uint32_t GetDataLength() const;
@@ -43,7 +43,6 @@ public:
     const std::vector<KeyParam> &GetKeyParam() const;
     const std::string &GetFilePath() const;
     const std::string &GetLimitKey() const;
-
     bool IsHapRes() const;
 
     ResourceItem &operator=(const ResourceItem &other);
@@ -57,7 +56,7 @@ private:
     ResType type_;
     std::string filePath_;
     std::string limitKey_;
-    bool isHapRes_ = false;
+    bool hapRes_ = false;
 };
 }
 }
diff --git a/include/resource_pack.h b/include/resource_pack.h
index f23c28f..bf76eaa 100644
--- a/include/resource_pack.h
+++ b/include/resource_pack.h
@@ -27,6 +27,11 @@
 namespace OHOS {
 namespace Global {
 namespace Restool {
+enum class PackType {
+    NORMAL = 1,
+    OVERLAP
+};
+
 class ResourcePack {
 public:
     explicit ResourcePack(const PackageParser &packageParser);
@@ -34,7 +39,7 @@ public:
     uint32_t Package();
 
 private:
-    uint32_t Init();
+    uint32_t InitResourcePack();
     uint32_t InitModule();
     void InitHeaderCreater();
     uint32_t InitOutput() const;
@@ -46,12 +51,12 @@ private:
     uint32_t GenerateJsHeader(const std::string &headerPath) const;
     uint32_t GenerateConfigJson();
     uint32_t ScanResources(const std::vector<std::string> &inputs, const std::string &output);
-    uint32_t PackNormal();
+    uint32_t Pack();
+    uint32_t PackResources(const ResourceMerge &resourceMerge);
+    uint32_t LoadHapResources();
     uint32_t PackPreview();
     uint32_t PackAppend();
     uint32_t PackCombine();
-    uint32_t PackOverlap();
-    uint32_t PackQualifierResources(const ResourceMerge &resourceMerge);
     uint32_t HandleFeature();
     uint32_t FindResourceItems(const std::map<int64_t, std::vector<ResourceItem>> &resInfoLocal,
                                std::vector<ResourceItem> &items, int64_t id) const;
@@ -61,12 +66,12 @@ private:
     void CheckConfigJson();
     void CheckConfigJsonForCombine(ResourceAppend &resourceAppend);
     bool CopyIcon(std::string &dataPath, const std::string &idName, std::string &fileName) const;
-    uint32_t LoadHapResources();
     PackageParser packageParser_;
     std::string moduleName_;
     using HeaderCreater = std::function<uint32_t(const std::string&)>;
     std::map<std::string, HeaderCreater> headerCreaters_;
     ConfigParser configJson_;
+    PackType packType_ = PackType::NORMAL;
 };
 }
 }
diff --git a/include/task_handle.h b/include/task_handle.h
deleted file mode 100644
index 72daadf..0000000
--- a/include/task_handle.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Copyright (c) 2021 Huawei Device Co., Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef OHOS_RESTOOL_TASK_HANDLE_H
-#define OHOS_RESTOOL_TASK_HANDLE_H
-
-#include "cmd_parser.h"
-
-namespace OHOS {
-namespace Global {
-namespace Restool {
-class TaskHandle {
-public:
-    TaskHandle() {};
-    ~TaskHandle() {};
-    uint32_t HandlePackage(const PackageParser &packageParser);
-};
-}
-}
-}
-#endif
\ No newline at end of file
diff --git a/src/binary_file_packer.cpp b/src/binary_file_packer.cpp
index 2444131..791fd13 100644
--- a/src/binary_file_packer.cpp
+++ b/src/binary_file_packer.cpp
@@ -39,14 +39,14 @@ void BinaryFilePacker::StopCopy()
     stopCopy_.store(true);
 }
 
-void BinaryFilePacker::SetCopyHapMode(bool state)
+void BinaryFilePacker::SetCopyHap(bool state)
 {
-    copyHapMode_ = state;
+    copyHap_ = state;
 }
 
 std::future<uint32_t> BinaryFilePacker::CopyBinaryFileAsync(const std::vector<std::string> &inputs)
 {
-    if (copyHapMode_) {
+    if (copyHap_) {
         auto func = [this](const vector<string> &inputs) { return this->CopyBinaryFileWithHap(inputs); };
         future<uint32_t> res = threadPool_.Enqueue(func, inputs);
         return res;
@@ -58,12 +58,13 @@ std::future<uint32_t> BinaryFilePacker::CopyBinaryFileAsync(const std::vector<st
 
 uint32_t BinaryFilePacker::CopyBinaryFileWithHap(const vector<string> &inputs)
 {
-    vector<string> hapResource(inputs.begin(), inputs.begin() + 1);
+    vector<string> hapResource{inputs[0]};
     if (CopyBinaryFile(hapResource) != RESTOOL_SUCCESS) {
         return RESTOOL_ERROR;
     }
     copyResults_.clear();
-    SetCopyHapMode(false);
+    SetCopyHap(false);
+
     vector<string> resource(inputs.begin() + 1, inputs.end());
     if (CopyBinaryFile(resource) != RESTOOL_SUCCESS) {
         return RESTOOL_ERROR;
@@ -141,20 +142,7 @@ uint32_t BinaryFilePacker::CopyBinaryFileImpl(const string &src, const string &d
             continue;
         }
 
-        bool hapEmplaceSuccess = true;
-        bool gResEmplaceSuccess = true;
-        lock_guard<mutex> lock(mutex_);
-        if (copyHapMode_) {
-            hapEmplaceSuccess = g_hapResourceSet.emplace(subPath).second;
-            gResEmplaceSuccess = g_resourceSet.emplace(subPath).second;
-        } else if (g_hapResourceSet.count(subPath)) { // overlap the hap resource by new resource
-            g_hapResourceSet.erase(subPath);
-        } else {
-            gResEmplaceSuccess = g_resourceSet.emplace(subPath).second;
-        }
-        
-        if (!hapEmplaceSuccess || !gResEmplaceSuccess) {
-            cerr << "Warning: '" << entry->GetFilePath().GetPath() << "' is defined repeatedly." << endl;
+        if (IsDefinedFile(entry, subPath)) {
             continue;
         }
 
@@ -171,6 +159,26 @@ uint32_t BinaryFilePacker::CopyBinaryFileImpl(const string &src, const string &d
     return RESTOOL_SUCCESS;
 }
 
+bool BinaryFilePacker::IsDefinedFile(const unique_ptr<FileEntry> &entry, string subPath)
+{
+    lock_guard<mutex> lock(mutex_);
+    bool resEmplaceSuccess = true;
+    if (copyHap_) {
+        g_hapResourceSet.emplace(subPath);
+        g_resourceSet.emplace(subPath);
+    } else if (g_hapResourceSet.count(subPath)) {
+        g_hapResourceSet.erase(subPath);
+    } else {
+        resEmplaceSuccess = g_resourceSet.emplace(subPath).second;
+    }
+    
+    if (!resEmplaceSuccess) {
+        cerr << "Warning: '" << entry->GetFilePath().GetPath() << "' is defined repeatedly." << endl;
+        return true;
+    }
+    return false;
+}
+
 uint32_t BinaryFilePacker::CopySingleFile(const std::string &path, std::string &subPath)
 {
     if (moduleName_ == "har" || CompressionParser::GetCompressionParser()->GetDefaultCompress()) {
diff --git a/src/cmd_parser.cpp b/src/cmd_parser.cpp
index 4e980c6..7120a4e 100644
--- a/src/cmd_parser.cpp
+++ b/src/cmd_parser.cpp
@@ -444,25 +444,19 @@ const std::string &PackageParser::GetCompressionPath() const
     return compressionPath_;
 }
 
-bool PackageParser::ExistIndex()
+bool PackageParser::ExistHapInput()
 {
     for (auto &input : inputs_) {
         string indexPath = ResourceUtil::GetMainPath(input).Append(RESOURCE_INDEX_FILE).GetPath();
         if (ResourceUtil::FileExist(indexPath)) {
             inputs_.erase(find(inputs_.begin(), inputs_.end(), input));
             inputs_.emplace(inputs_.begin(), input);
-            overlap_ = true;
             return true;
         }
     }
     return false;
 }
 
-bool PackageParser::GetOverlap()
-{
-    return overlap_;
-}
-
 void PackageParser::InitCommand()
 {
     using namespace placeholders;
diff --git a/src/file_manager.cpp b/src/file_manager.cpp
index 9189c3d..0db0edd 100644
--- a/src/file_manager.cpp
+++ b/src/file_manager.cpp
@@ -42,17 +42,17 @@ uint32_t FileManager::ScanModules(const vector<string> &inputs, const string &ou
     if (!noBaseResource.empty()) {
         ResourceUtil::PrintWarningMsg(noBaseResource);
     }
-    if (hapMode_) {
-        SetHapItems();
+    if (scanHap_) {
+        MarkItemsAsHap();
     }
-    return isHar || hapMode_ ? RESTOOL_SUCCESS : ParseReference(output);
+    return isHar || scanHap_ ? RESTOOL_SUCCESS : ParseReference(output);
 }
 
-void FileManager::SetHapItems()
+void FileManager::MarkItemsAsHap()
 {
     for (auto &item : items_) {
         for (auto &resourceItem : item.second) {
-            resourceItem.SetHapRes();
+            resourceItem.MarkHapRes();
         }
     }
 }
@@ -66,7 +66,7 @@ uint32_t FileManager::MergeResourceItem(const map<int64_t, vector<ResourceItem>>
 uint32_t FileManager::ScanModule(const string &input, const string &output)
 {
     ResourceModule resourceModule(input, output, moduleName_);
-    if (resourceModule.ScanResource(hapMode_) != RESTOOL_SUCCESS) {
+    if (resourceModule.ScanResource(scanHap_) != RESTOOL_SUCCESS) {
         return RESTOOL_ERROR;
     }
     MergeResourceItem(resourceModule.GetOwner());
@@ -132,9 +132,9 @@ bool FileManager::ScaleIcons(const string &output, const std::map<std::string, s
     return true;
 }
 
-void FileManager::SetHapMode(bool state)
+void FileManager::SetScanHap(bool state)
 {
-    hapMode_ = state;
+    scanHap_ = state;
 }
 
 bool FileManager::ScaleIcon(const string &output, ResourceItem &item)
diff --git a/src/generic_compiler.cpp b/src/generic_compiler.cpp
index e08be3b..9b4dea4 100644
--- a/src/generic_compiler.cpp
+++ b/src/generic_compiler.cpp
@@ -101,18 +101,17 @@ bool GenericCompiler::IsIgnore(const FileInfo &fileInfo)
 {
     std::lock_guard<std::mutex> lock(mutex_);
     string output = GetOutputFilePath(fileInfo);
-    bool hapEmplaceSuccess = true;
-    bool gResEmplaceSuccess = true;
-    if (isHapRes_) {
-        hapEmplaceSuccess = g_hapResourceSet.emplace(output).second;
-        gResEmplaceSuccess = g_resourceSet.emplace(output).second;
-    } else if (g_hapResourceSet.count(output)) { // overlap the hap resource by new resource
+    bool resEmplaceSuccess = true;
+    if (hapRes_) {
+        g_hapResourceSet.emplace(output);
+        g_resourceSet.emplace(output);
+    } else if (g_hapResourceSet.count(output)) {
         g_hapResourceSet.erase(output);
     } else {
-        gResEmplaceSuccess = g_resourceSet.emplace(output).second;
+        resEmplaceSuccess = g_resourceSet.emplace(output).second;
     }
 
-    if (!hapEmplaceSuccess || !gResEmplaceSuccess) {
+    if (!resEmplaceSuccess) {
         cerr << "Warning: '" << fileInfo.filePath << "' is defined repeatedly." << endl;
         return true;
     }
diff --git a/src/i_resource_compiler.cpp b/src/i_resource_compiler.cpp
index 6c01d65..4984660 100644
--- a/src/i_resource_compiler.cpp
+++ b/src/i_resource_compiler.cpp
@@ -104,9 +104,9 @@ const map<pair<ResType, string>, vector<ResourceItem>> &IResourceCompiler::GetRe
     return nameInfos_;
 }
 
-void IResourceCompiler::SetHapRes()
+void IResourceCompiler::SetHapRes(bool state)
 {
-    isHapRes_ = true;
+    hapRes_ = state;
 }
 
 void IResourceCompiler::SetModuleName(const string &moduleName)
diff --git a/src/resource_item.cpp b/src/resource_item.cpp
index 656b263..0ce0b1b 100644
--- a/src/resource_item.cpp
+++ b/src/resource_item.cpp
@@ -85,9 +85,9 @@ void ResourceItem::SetName(const string &name)
     name_ = name;
 }
 
-void ResourceItem::SetHapRes()
+void ResourceItem::MarkHapRes()
 {
-    isHapRes_ = true;
+    hapRes_ = true;
 }
 
 const int8_t *ResourceItem::GetData() const
@@ -127,7 +127,7 @@ const string &ResourceItem::GetLimitKey() const
 
 bool ResourceItem::IsHapRes() const
 {
-    return isHapRes_;
+    return hapRes_;
 }
 
 ResourceItem &ResourceItem::operator=(const ResourceItem &other)
@@ -157,7 +157,7 @@ void ResourceItem::CopyFrom(const ResourceItem &other)
     dataLen_ = other.dataLen_;
     filePath_ = other.filePath_;
     limitKey_ = other.limitKey_;
-    isHapRes_ = other.isHapRes_;
+    hapRes_ = other.hapRes_;
     if (!SetData(other.data_, other.dataLen_)) {
         ReleaseData();
     }
diff --git a/src/resource_merge.cpp b/src/resource_merge.cpp
index e247f0f..eb6336b 100644
--- a/src/resource_merge.cpp
+++ b/src/resource_merge.cpp
@@ -55,7 +55,7 @@ uint32_t ResourceMerge::Init(const PackageParser &packageParser)
             continue;
         }
         ConfigParser::ModuleType moduleType = ConfigParser::ModuleType::NONE;
-        if (!ResourceUtil::FileExist(configPath) || ResourceUtil::FileExist(indexPath)) {
+        if (!ResourceUtil::FileExist(configPath)) {
             inputTypes[moduleType].push_back(resourceDir);
             continue;
         }
diff --git a/src/resource_module.cpp b/src/resource_module.cpp
index 83562d8..c86a264 100644
--- a/src/resource_module.cpp
+++ b/src/resource_module.cpp
@@ -57,7 +57,7 @@ uint32_t ResourceModule::ScanResource(bool isHap)
             FactoryResourceCompiler::CreateCompiler(type, moduleOutput_);
         resourceCompiler->SetModuleName(moduleName_);
         if (isHap) {
-            resourceCompiler->SetHapRes();
+            resourceCompiler->SetHapRes(true);
         }
         if (resourceCompiler->Compile(item->second) != RESTOOL_SUCCESS) {
             return RESTOOL_ERROR;
diff --git a/src/resource_pack.cpp b/src/resource_pack.cpp
index 4ae04b7..8d3c123 100644
--- a/src/resource_pack.cpp
+++ b/src/resource_pack.cpp
@@ -43,10 +43,10 @@ uint32_t ResourcePack::Package()
         return PackCombine();
     }
 
-    if (packageParser_.ExistIndex()) {
-        return PackOverlap();
+    if (packageParser_.ExistHapInput()) {
+        packType_ = PackType::OVERLAP;
     }
-    return PackNormal();
+    return Pack();
 }
 
 uint32_t ResourcePack::InitCompression()
@@ -62,9 +62,13 @@ uint32_t ResourcePack::InitCompression()
 }
 
 // below private founction
-uint32_t ResourcePack::Init()
+uint32_t ResourcePack::InitResourcePack()
 {
     InitHeaderCreater();
+    if (InitCompression() != RESTOOL_SUCCESS) {
+        return RESTOOL_ERROR;
+    }
+
     if (InitOutput() != RESTOOL_SUCCESS) {
         return RESTOOL_ERROR;
     }
@@ -276,12 +280,13 @@ uint32_t ResourcePack::ScanResources(const vector<string> &inputs, const string
 {
     auto &fileManager = FileManager::GetInstance();
     fileManager.SetModuleName(moduleName_);
-    if (packageParser_.GetOverlap()) {
+    if (packType_ == PackType::OVERLAP) {
         vector<string> hapResInput{inputs[0]};
         if (fileManager.ScanModules(hapResInput, output, configJson_.IsHar()) != RESTOOL_SUCCESS) {
             return RESTOOL_ERROR;
         }
-        fileManager.SetHapMode(false);
+        fileManager.SetScanHap(false);
+
         vector<string> resInputs(inputs.begin() + 1, inputs.end());
         if (fileManager.ScanModules(resInputs, output, configJson_.IsHar()) != RESTOOL_SUCCESS) {
             return RESTOOL_ERROR;
@@ -294,33 +299,50 @@ uint32_t ResourcePack::ScanResources(const vector<string> &inputs, const string
     return RESTOOL_SUCCESS;
 }
 
-uint32_t ResourcePack::PackNormal()
+uint32_t ResourcePack::Pack()
 {
-    if (InitCompression() != RESTOOL_SUCCESS) {
-        return RESTOOL_ERROR;
+    if (packType_ == PackType::NORMAL) {
+        cout << "Info: Pack: normal pack mode" << endl;
+    } else if (packType_ == PackType::OVERLAP) {
+        cout << "Info: Pack: overlap pack mode" << endl;
     }
 
-    if (Init() != RESTOOL_SUCCESS) {
+    if (InitResourcePack() != RESTOOL_SUCCESS) {
+        cerr << "Error: ResourcePack init failed." << endl;
         return RESTOOL_ERROR;
     }
 
     ResourceMerge resourceMerge;
-    if (resourceMerge.Init() != RESTOOL_SUCCESS) {
+    if (resourceMerge.Init(packageParser_) != RESTOOL_SUCCESS) {
+        cerr << "Error: resourceMerge init failed." << endl;
         return RESTOOL_ERROR;
     }
 
     BinaryFilePacker rawFilePacker(packageParser_, moduleName_);
-    std::future<uint32_t> copyFuture = rawFilePacker.CopyBinaryFileAsync(resourceMerge.GetInputs());
-    uint32_t packQualifierRet = PackQualifierResources(resourceMerge);
-    if (packQualifierRet != RESTOOL_SUCCESS) {
-        rawFilePacker.StopCopy();
+    if (packType_ == PackType::OVERLAP) {
+        rawFilePacker.SetCopyHap(true);
     }
-    uint32_t copyRet = copyFuture.get();
-    return packQualifierRet == RESTOOL_SUCCESS && copyRet == RESTOOL_SUCCESS ? RESTOOL_SUCCESS : RESTOOL_ERROR;
+    std::future<uint32_t> copyFuture = rawFilePacker.CopyBinaryFileAsync(resourceMerge.GetInputs());
+
+    if (PackResources(resourceMerge) != RESTOOL_SUCCESS) {
+        rawFilePacker.StopCopy();
+        cerr << "Error: pack resources failed." << endl;
+        return RESTOOL_ERROR;
+    }
+
+    if (copyFuture.get() != RESTOOL_SUCCESS) {
+        cerr << "Error: copy binary file failed." << endl;
+        return RESTOOL_ERROR;
+    }
+    return RESTOOL_SUCCESS;
 }
 
-uint32_t ResourcePack::PackQualifierResources(const ResourceMerge &resourceMerge)
+uint32_t ResourcePack::PackResources(const ResourceMerge &resourceMerge)
 {
+    if (packType_ == PackType::OVERLAP && LoadHapResources() != RESTOOL_SUCCESS) {
+        return RESTOOL_ERROR;
+    }
+
     if (ScanResources(resourceMerge.GetInputs(), packageParser_.GetOutput()) != RESTOOL_SUCCESS) {
         return RESTOOL_ERROR;
     }
@@ -357,6 +379,28 @@ uint32_t ResourcePack::PackQualifierResources(const ResourceMerge &resourceMerge
     return RESTOOL_SUCCESS;
 }
 
+uint32_t ResourcePack::LoadHapResources()
+{
+    ResourceTable resourceTabel;
+    map<int64_t, vector<ResourceItem>> items;
+    string resourceIndexPath =
+        FileEntry::FilePath(packageParser_.GetInputs()[0]).GetParent().Append(RESOURCE_INDEX_FILE).GetPath();
+    if (resourceTabel.LoadResTable(resourceIndexPath, items) != RESTOOL_SUCCESS) {
+        return RESTOOL_ERROR;
+    }
+    
+    IdWorker::GetInstance().LoadIdFromHap(items);
+
+    FileManager &fileManager = FileManager::GetInstance();
+    fileManager.SetModuleName(moduleName_);
+    if (fileManager.MergeResourceItem(items) != RESTOOL_SUCCESS) {
+        return RESTOOL_ERROR;
+    }
+    fileManager.MarkItemsAsHap();
+    fileManager.SetScanHap(true);
+    return RESTOOL_SUCCESS;
+}
+
 uint32_t ResourcePack::HandleFeature()
 {
     string output = packageParser_.GetOutput();
@@ -548,7 +592,7 @@ uint32_t ResourcePack::PackAppend()
 
 uint32_t ResourcePack::PackCombine()
 {
-    if (Init() != RESTOOL_SUCCESS) {
+    if (InitResourcePack() != RESTOOL_SUCCESS) {
         return RESTOOL_ERROR;
     }
 
@@ -571,60 +615,6 @@ uint32_t ResourcePack::PackCombine()
     return RESTOOL_SUCCESS;
 }
 
-uint32_t ResourcePack::PackOverlap()
-{
-    if (InitCompression() != RESTOOL_SUCCESS) {
-        return RESTOOL_ERROR;
-    }
-
-    if (Init() != RESTOOL_SUCCESS) {
-        return RESTOOL_ERROR;
-    }
-
-    ResourceMerge resourceMerge;
-    if (resourceMerge.Init(packageParser_) != RESTOOL_SUCCESS) {
-        return RESTOOL_ERROR;
-    }
-
-    BinaryFilePacker rawFilePacker(packageParser_, moduleName_);
-    rawFilePacker.SetCopyHapMode(true);
-    std::future<uint32_t> copyFuture = rawFilePacker.CopyBinaryFileAsync(resourceMerge.GetInputs());
-
-    if (LoadHapResources() != RESTOOL_SUCCESS) {
-        rawFilePacker.StopCopy();
-        return RESTOOL_ERROR;
-    }
-
-    if (PackQualifierResources(resourceMerge) != RESTOOL_SUCCESS) {
-        rawFilePacker.StopCopy();
-        return RESTOOL_ERROR;
-    }
-
-    uint32_t copyRet = copyFuture.get();
-    return copyRet == RESTOOL_SUCCESS ? RESTOOL_SUCCESS : RESTOOL_ERROR;
-}
-
-uint32_t ResourcePack::LoadHapResources()
-{
-    ResourceTable resourceTabel;
-    map<int64_t, vector<ResourceItem>> items;
-    string resourceIndexPath =
-        FileEntry::FilePath(packageParser_.GetInputs()[0]).GetParent().Append(RESOURCE_INDEX_FILE).GetPath();
-    if (resourceTabel.LoadResTable(resourceIndexPath, items) != RESTOOL_SUCCESS) {
-        return RESTOOL_ERROR;
-    }
-    IdWorker::GetInstance().LoadIdFromHap(items);
-
-    FileManager &fileManager = FileManager::GetInstance();
-    fileManager.SetModuleName(moduleName_);
-    if (fileManager.MergeResourceItem(items) != RESTOOL_SUCCESS) {
-        return RESTOOL_ERROR;
-    }
-    fileManager.SetHapItems();
-    fileManager.SetHapMode(true);
-    return RESTOOL_SUCCESS;
-}
-
 void ResourcePack::CheckConfigJsonForCombine(ResourceAppend &resourceAppend)
 {
     ResourceCheck resourceCheck(configJson_.GetCheckNode(), make_shared<ResourceAppend>(resourceAppend));
diff --git a/src/restool.cpp b/src/restool.cpp
index e26fdbb..0e229f5 100644
--- a/src/restool.cpp
+++ b/src/restool.cpp
@@ -14,7 +14,7 @@
  */
 
 #include "cmd_parser.h"
-#include "task_handle.h"
+#include "resource_pack.h"
 #include "compression_parser.h"
 
 using namespace std;
@@ -22,8 +22,8 @@ using namespace OHOS::Global::Restool;
 namespace {
 uint32_t ProccssHap(PackageParser &packageParser)
 {
-    TaskHandle taskHandle;
-    return taskHandle.HandlePackage(packageParser);
+    ResourcePack pack(packageParser);
+    return pack.Package();
 }
 }
 
diff --git a/src/task_handle.cpp b/src/task_handle.cpp
deleted file mode 100644
index 9067917..0000000
--- a/src/task_handle.cpp
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (c) 2021 Huawei Device Co., Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "task_handle.h"
-#include "resource_pack.h"
-
-namespace OHOS {
-namespace Global {
-namespace Restool {
-uint32_t TaskHandle::HandlePackage(const PackageParser &packageParser)
-{
-    ResourcePack pack(packageParser);
-    return pack.Package();
-}
-}
-}
-}
\ No newline at end of file