diff --git a/app/build.gradle b/app/build.gradle
index 730e6f6..55011b4 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -11,8 +11,8 @@ android {
         applicationId "top.niunaijun.blackdex"
         minSdkVersion 21
         targetSdkVersion 30
-        versionCode 2
-        versionName "1.1.0"
+        versionCode 3
+        versionName "2.0.0"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
@@ -91,8 +91,6 @@ dependencies {
     //dialog
     implementation 'com.github.nukc.stateview:kotlin:2.2.0'
     //状态控制控件
-    implementation 'com.roger.catloadinglibrary:catloadinglibrary:1.0.9'
-    //加载dialog
     implementation 'com.github.Ferfalk:SimpleSearchView:0.2.0'
     //searchView
 
diff --git a/app/src/main/java/top/niunaijun/blackdex/app/BlackDexLoader.kt b/app/src/main/java/top/niunaijun/blackdex/app/BlackDexLoader.kt
index f7994ba..2eae60a 100644
--- a/app/src/main/java/top/niunaijun/blackdex/app/BlackDexLoader.kt
+++ b/app/src/main/java/top/niunaijun/blackdex/app/BlackDexLoader.kt
@@ -21,6 +21,8 @@ class BlackDexLoader {
 
     private var mSaveEnable by AppSharedPreferenceDelegate(App.getContext(), true)
 
+    private var mFixCodeItem by AppSharedPreferenceDelegate(App.getContext(),false)
+
     private var mDir = if (mSaveEnable) {
         getDexDumpDir(App.getContext())
     } else {
@@ -42,7 +44,7 @@ class BlackDexLoader {
             }
 
             override fun isFixCodeItem(): Boolean {
-                return false
+                return mFixCodeItem
             }
         })
     }
@@ -67,6 +69,14 @@ class BlackDexLoader {
         this.mSavePath = path
     }
 
+    fun setFixCodeItem(enable:Boolean){
+        this.mFixCodeItem = enable
+    }
+
+    fun isFixCodeItem():Boolean{
+        return this.mFixCodeItem
+    }
+
 
     companion object {
 
diff --git a/app/src/main/java/top/niunaijun/blackdex/data/DexDumpRepository.kt b/app/src/main/java/top/niunaijun/blackdex/data/DexDumpRepository.kt
index af6ced9..9a4939e 100644
--- a/app/src/main/java/top/niunaijun/blackdex/data/DexDumpRepository.kt
+++ b/app/src/main/java/top/niunaijun/blackdex/data/DexDumpRepository.kt
@@ -12,6 +12,9 @@ import top.niunaijun.blackbox.BlackBoxCore.getPackageManager
 import top.niunaijun.blackbox.BlackDexCore
 import top.niunaijun.blackbox.utils.AbiUtils
 import top.niunaijun.blackbox.utils.FileUtils
+import top.niunaijun.blackdex.app.App
+import top.niunaijun.blackdex.app.AppManager
+import top.niunaijun.blackdex.app.BlackDexLoader
 import top.niunaijun.blackdex.data.entity.AppInfo
 import top.niunaijun.blackdex.data.entity.DumpInfo
 import java.io.File
@@ -80,7 +83,17 @@ class DexDumpRepository {
     private fun startCountdown(dexDumpLiveData: MutableLiveData<DumpInfo>) {
         GlobalScope.launch {
             val tempId = dumpTaskId
-            delay(10000)
+
+            while (BlackDexCore.get().isRunning){
+                delay(10000)
+                //10s
+
+                if(!AppManager.mBlackBoxLoader.isFixCodeItem()){
+                   break
+                }
+                //fixCodeItem 需要长时间运行，普通内存dump不需要
+            }
+
 
             if (tempId == dumpTaskId) {
                 dexDumpLiveData.postValue(DumpInfo(DumpInfo.TIMEOUT))
diff --git a/app/src/main/java/top/niunaijun/blackdex/util/LoadingUtil.kt b/app/src/main/java/top/niunaijun/blackdex/util/LoadingUtil.kt
deleted file mode 100644
index d6d91d3..0000000
--- a/app/src/main/java/top/niunaijun/blackdex/util/LoadingUtil.kt
+++ /dev/null
@@ -1,30 +0,0 @@
-package top.niunaijun.blackdex.util
-
-import android.view.KeyEvent
-import androidx.fragment.app.FragmentManager
-import com.roger.catloadinglibrary.CatLoadingView
-import top.niunaijun.blackdex.R
-
-/**
- *
- * @Description:
- * @Author: wukaicheng
- * @CreateDate: 2021/4/30 23:04
- */
-object LoadingUtil {
-
-    fun showLoading(loadingView: CatLoadingView, fragmentManager: FragmentManager) {
-        if (!loadingView.isAdded) {
-            loadingView.setBackgroundColor(R.color.primary)
-            loadingView.show(fragmentManager, "")
-            fragmentManager.executePendingTransactions()
-            loadingView.setClickCancelAble(false)
-            loadingView.dialog?.setOnKeyListener { _, keyCode, _ ->
-                if (keyCode == KeyEvent.KEYCODE_BACK || keyCode == KeyEvent.KEYCODE_ESCAPE) {
-                    return@setOnKeyListener true
-                }
-                false
-            }
-        }
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/top/niunaijun/blackdex/view/main/MainActivity.kt b/app/src/main/java/top/niunaijun/blackdex/view/main/MainActivity.kt
index f40e983..cd32d3a 100644
--- a/app/src/main/java/top/niunaijun/blackdex/view/main/MainActivity.kt
+++ b/app/src/main/java/top/niunaijun/blackdex/view/main/MainActivity.kt
@@ -13,7 +13,6 @@ import androidx.recyclerview.widget.LinearLayoutManager
 import com.afollestad.materialdialogs.MaterialDialog
 import com.afollestad.materialdialogs.files.fileChooser
 import com.ferfalk.simplesearchview.SimpleSearchView
-import com.roger.catloadinglibrary.CatLoadingView
 import com.umeng.analytics.MobclickAgent
 import top.niunaijun.blackbox.BlackDexCore
 import top.niunaijun.blackbox.core.system.dump.IBDumpMonitor
@@ -24,10 +23,10 @@ import top.niunaijun.blackdex.data.entity.DumpInfo
 import top.niunaijun.blackdex.databinding.ActivityMainBinding
 import top.niunaijun.blackdex.util.FileUtil
 import top.niunaijun.blackdex.util.InjectionUtil
-import top.niunaijun.blackdex.util.LoadingUtil
 import top.niunaijun.blackdex.util.inflate
 import top.niunaijun.blackdex.view.base.PermissionActivity
 import top.niunaijun.blackdex.view.setting.SettingActivity
+import top.niunaijun.blackdex.view.widget.ProgressDialog
 import java.io.File
 
 
@@ -39,7 +38,7 @@ class MainActivity : PermissionActivity() {
 
     private lateinit var mAdapter: MainAdapter
 
-    private lateinit var loadingView: CatLoadingView
+    private var loadingView: ProgressDialog? = null
 
     private var initialDir: File? = null
 
@@ -124,11 +123,6 @@ class MainActivity : PermissionActivity() {
                         showLoading()
                     }
                     DumpInfo.TIMEOUT -> {
-                        // 判断是否running
-                        Log.e("Tag", "isRunning ${BlackDexCore.get().isRunning}")
-                        if (BlackDexCore.get().isRunning) {
-                            return@let
-                        }
                         hideLoading()
                         MaterialDialog(this).show {
                             title(R.string.unpack_fail)
@@ -167,14 +161,13 @@ class MainActivity : PermissionActivity() {
     private val mMonitor = object : IBDumpMonitor.Stub() {
         override fun onDump(result: DumpResult?) {
             result?.let {
-                Log.e("mMonitor", "onDump: ${result.toString()}")
 
                 // 此处做进度条
                 if (result.isRunning) {
-                    val totalProcess = result.totalProcess
-                    val currProcess = result.currProcess
+                    loadingView?.setProgress(result.currProcess, result.totalProcess)
                     return
                 }
+
                 if (result.isSuccess) {
                     viewModel.mDexDumpLiveData.postValue(
                         DumpInfo(
@@ -223,17 +216,15 @@ class MainActivity : PermissionActivity() {
     }
 
     private fun showLoading() {
-        if (!this::loadingView.isInitialized) {
-            loadingView = CatLoadingView()
+        if (this.loadingView == null) {
+            loadingView = ProgressDialog()
         }
-
-        LoadingUtil.showLoading(loadingView, supportFragmentManager)
+        loadingView?.show(supportFragmentManager, "")
     }
 
     private fun hideLoading() {
-        if (this::loadingView.isInitialized) {
-            loadingView.dismiss()
-        }
+        loadingView?.dismiss()
+        loadingView = null
     }
 
     private fun hideKeyboard() {
diff --git a/app/src/main/java/top/niunaijun/blackdex/view/setting/SettingFragment.kt b/app/src/main/java/top/niunaijun/blackdex/view/setting/SettingFragment.kt
index 6905224..1233fe4 100644
--- a/app/src/main/java/top/niunaijun/blackdex/view/setting/SettingFragment.kt
+++ b/app/src/main/java/top/niunaijun/blackdex/view/setting/SettingFragment.kt
@@ -26,6 +26,8 @@ class SettingFragment : PreferenceFragmentCompat() {
 
     private lateinit var saveEnablePreference: SwitchPreferenceCompat
 
+    private lateinit var fixCodeItemPreference: SwitchPreferenceCompat
+
     private val initialDirectory = AppManager.mBlackBoxLoader.getSavePath()
 
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
@@ -38,6 +40,10 @@ class SettingFragment : PreferenceFragmentCompat() {
         saveEnablePreference.onPreferenceChangeListener = mSaveEnableChange
         saveEnablePreference.isChecked = AppManager.mBlackBoxLoader.saveEnable()
 
+        fixCodeItemPreference = findPreference("fix_code_item")!!
+        fixCodeItemPreference.onPreferenceChangeListener = mFixCodeItemChange
+        fixCodeItemPreference.isChecked = AppManager.mBlackBoxLoader.isFixCodeItem()
+
     }
 
     private val mSavedPathClick = Preference.OnPreferenceClickListener {
@@ -73,6 +79,27 @@ class SettingFragment : PreferenceFragmentCompat() {
         return@OnPreferenceChangeListener true
     }
 
+    private val mFixCodeItemChange = Preference.OnPreferenceChangeListener { _, newValue ->
+        if (newValue as Boolean) {
+
+            MaterialDialog(requireContext()).show {
+                title(R.string.warn)
+                message(R.string.fix_code_item_message)
+                positiveButton(R.string.confirm) {
+                    AppManager.mBlackBoxLoader.setFixCodeItem(true)
+                }
+                negativeButton(R.string.cancel) {
+                    fixCodeItemPreference.isChecked = false
+                    AppManager.mBlackBoxLoader.setFixCodeItem(false)
+                }
+            }
+
+        } else {
+            AppManager.mBlackBoxLoader.setFixCodeItem(newValue)
+        }
+        return@OnPreferenceChangeListener true
+    }
+
 
     private val requestResult = { hasPermission: Boolean ->
         AppManager.mBlackBoxLoader.saveEnable(!hasPermission)
diff --git a/app/src/main/java/top/niunaijun/blackdex/view/widget/ProgressDialog.kt b/app/src/main/java/top/niunaijun/blackdex/view/widget/ProgressDialog.kt
new file mode 100644
index 0000000..bef3460
--- /dev/null
+++ b/app/src/main/java/top/niunaijun/blackdex/view/widget/ProgressDialog.kt
@@ -0,0 +1,53 @@
+package top.niunaijun.blackdex.view.widget
+
+import android.app.Dialog
+import android.os.Bundle
+import android.util.Log
+import android.view.KeyEvent
+import android.view.View
+import androidx.appcompat.app.AlertDialog
+import androidx.fragment.app.DialogFragment
+import top.niunaijun.blackdex.R
+import top.niunaijun.blackdex.databinding.DialogProgressBinding
+import top.niunaijun.blackdex.util.inflate
+
+/**
+ *
+ * @Description: progress dialog
+ * @Author: wukaicheng
+ * @CreateDate: 2021/6/7 21:16
+ */
+class ProgressDialog : DialogFragment() {
+
+    private val TAG = "ProgressDialog"
+
+    private val viewBinding: DialogProgressBinding by inflate()
+
+    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+        val dialog = AlertDialog.Builder(requireContext())
+            .setView(viewBinding.root)
+            .setTitle(getString(R.string.classes_progress,1,1))
+            .setCancelable(false)
+            .show()
+
+        dialog.setCanceledOnTouchOutside(false)
+        dialog.setOnKeyListener { _, keyCode, _ ->
+            return@setOnKeyListener keyCode == KeyEvent.KEYCODE_BACK
+        }
+
+        return dialog
+    }
+
+
+    fun setProgress(progress: Int, maxProgress: Int) {
+        requireActivity().runOnUiThread {
+            if (progress == 0) {
+                viewBinding.progress.max = maxProgress
+            }
+            viewBinding.progress.progress = progress
+            dialog?.setTitle(getString(R.string.classes_progress,progress,maxProgress))
+
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/res/layout/dialog_progress.xml b/app/src/main/res/layout/dialog_progress.xml
new file mode 100644
index 0000000..73db47c
--- /dev/null
+++ b/app/src/main/res/layout/dialog_progress.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_width="match_parent"
+        android:paddingStart="24dp"
+        android:paddingEnd="24dp"
+        android:paddingTop="12dp"
+        android:paddingBottom="12dp"
+        android:orientation="vertical"
+        android:layout_height="wrap_content">
+
+    <TextView
+            android:id="@+id/title"
+            android:text="@string/dumping"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"/>
+    <ProgressBar
+            android:id="@+id/progress"
+            style="?android:attr/progressBarStyleHorizontal"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="12dp"
+            android:layout_marginBottom="12dp"/>
+
+</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values-zh/string.xml b/app/src/main/res/values-zh/string.xml
index 43c892c..c4cf813 100644
--- a/app/src/main/res/values-zh/string.xml
+++ b/app/src/main/res/values-zh/string.xml
@@ -23,4 +23,14 @@
     <string name="file_save">文件储存</string>
     <string name="use_default_file">使用默认储存路径</string>
     <string name="rewrite_file_path">自定义储存路径</string>
+    <string name="warn">警告</string>
+    <string name="advanced_setting">高级设置</string>
+    <string name="fix_code_item">深度脱壳</string>
+    <string name="fix_code_item_desc">自主修复抽取指令，还原Dex文件</string>
+    <string name="fix_code_item_message">开启后将进行深度脱壳，深度脱壳会自主修复被抽取的指令，开启后请注意以下变化。\n\n1.脱壳时间会大幅度上升，预计几分钟都十几分钟不等\n2.脱壳期间有可能会出现应用闪退（遇到反检测等）\n3.会增加脱壳失败几率\n4.不一定能够100%还原
+    </string>
+
+
+    <string name="dumping">正在脱壳…</string>
+
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index d423754..6713641 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -23,4 +23,13 @@
     <string name="file_save">File</string>
     <string name="use_default_file">Use Default Path</string>
     <string name="rewrite_file_path">Customize the storage path</string>
+    <string name="warn">Warning</string>
+    <string name="advanced_setting">Advanced Settings</string>
+    <string name="fix_code_item">FixCodeItem</string>
+    <string name="fix_code_item_desc">Self-repair extraction instructions and restore Dex files</string>
+    <string name="fix_code_item_message">After opening, deep shelling will be carried out. Deep shelling will automatically repair the extracted commands. Please pay attention to the following changes after opening. \n\n1. The shelling time will increase significantly, and it is expected to take a few minutes to ten minutes. \n2. During the shelling, there may be application crashes (in case of anti-detection, etc.) \n3. It will increase the chance of shelling failure \n4. Not necessarily 100% reduction
+    </string>
+
+    <string name="classes_progress" translatable="false">classes.dex (%1d/%1d)</string>
+    <string name="dumping">dumping…</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/xml/setting.xml b/app/src/main/res/xml/setting.xml
index 155e6b3..d536006 100644
--- a/app/src/main/res/xml/setting.xml
+++ b/app/src/main/res/xml/setting.xml
@@ -12,4 +12,12 @@
                 android:key="save_path"
                 android:title="@string/rewrite_file_path" />
     </PreferenceCategory>
+
+    <PreferenceCategory android:title="@string/advanced_setting">
+        <SwitchPreferenceCompat
+                android:key="fix_code_item"
+                android:summary="@string/fix_code_item_desc"
+                android:title="@string/fix_code_item" />
+
+    </PreferenceCategory>
 </PreferenceScreen>
\ No newline at end of file