diff --git a/app/src/main/java/xyz/fycz/myreader/model/SearchWordEngine.kt b/app/src/main/java/xyz/fycz/myreader/model/SearchWordEngine.kt
index 6fc9bc0..a647a3d 100644
--- a/app/src/main/java/xyz/fycz/myreader/model/SearchWordEngine.kt
+++ b/app/src/main/java/xyz/fycz/myreader/model/SearchWordEngine.kt
@@ -37,8 +37,8 @@ class SearchWordEngine(
     private var scheduler: Scheduler
     private var compositeDisposable: CompositeDisposable
     private lateinit var searchListener: OnSearchListener
-    private val threadsNum =
-        SharedPreUtils.getInstance().getInt(App.getmContext().getString(R.string.threadNum), 8);
+    private val threadsNum = 4
+//        SharedPreUtils.getInstance().getInt(App.getmContext().getString(R.string.threadNum), 8)
     private var searchSiteIndex = 0
     private var searchSuccessNum = 0
     private var searchFinishNum = 0
@@ -120,9 +120,11 @@ class SearchWordEngine(
                 }
                 val allLine: List<String> = content.split("\n")
                 var count = 0
+                var blockPos = 0
                 allLine.forEach {
                     var index: Int = -1
                     while (it.indexOf(keyword, index + 1).also { index = it } != -1) {
+                        blockPos++
                         var leftI = 0
                         var rightI = it.length
                         var leftS = ""
@@ -147,6 +149,11 @@ class SearchWordEngine(
                             )
                         searchWord1.searchWord2List.add(searchWord2)
                         count++
+                        //当添加的block太多的时候，执行GC
+                        if (blockPos % 15 == 0) {
+                            System.gc()
+                            System.runFinalization()
+                        }
                     }
                 }
                 emitter.onNext(searchWord1)
diff --git a/app/src/main/java/xyz/fycz/myreader/ui/activity/SearchWordActivity.kt b/app/src/main/java/xyz/fycz/myreader/ui/activity/SearchWordActivity.kt
index 6e2bb80..9ba5c3b 100644
--- a/app/src/main/java/xyz/fycz/myreader/ui/activity/SearchWordActivity.kt
+++ b/app/src/main/java/xyz/fycz/myreader/ui/activity/SearchWordActivity.kt
@@ -25,6 +25,7 @@ import xyz.fycz.myreader.ui.adapter.holder.SearchWord1Holder
 import xyz.fycz.myreader.ui.adapter.holder.SearchWord2Holder
 import xyz.fycz.myreader.util.ToastUtils
 import xyz.fycz.myreader.widget.page.PageLoader
+import xyz.fycz.myreader.widget.page.PageView
 
 /**
  * @author fengyue
@@ -34,6 +35,8 @@ class SearchWordActivity : BaseActivity() {
 
     private lateinit var binding: ActivitySearchWordBinding
     private lateinit var book: Book
+    private lateinit var chapters: List<Chapter>
+    private lateinit var pageLoader: PageLoader
     private lateinit var searchWordEngine: SearchWordEngine
     private lateinit var adapter: BaseListAdapter<SearchWord1>
 
@@ -48,6 +51,13 @@ class SearchWordActivity : BaseActivity() {
         supportActionBar?.title = getString(R.string.search_word)
     }
 
+    override fun onSaveInstanceState(outState: Bundle) {
+        BitIntentDataManager.getInstance().putData(APPCONST.BOOK_KEY, book)
+        BitIntentDataManager.getInstance().putData(APPCONST.CHAPTERS_KEY, chapters)
+        BitIntentDataManager.getInstance().putData(APPCONST.PAGE_LOADER_KEY, pageLoader)
+        super.onSaveInstanceState(outState)
+    }
+
     override fun onWindowFocusChanged(hasFocus: Boolean) {
         super.onWindowFocusChanged(hasFocus)
         if (hasFocus) {
@@ -66,9 +76,9 @@ class SearchWordActivity : BaseActivity() {
     override fun initData(savedInstanceState: Bundle?) {
         super.initData(savedInstanceState)
         book = BitIntentDataManager.getInstance().getData(APPCONST.BOOK_KEY) as Book
-        val chapters =
+        chapters =
             BitIntentDataManager.getInstance().getData(APPCONST.CHAPTERS_KEY) as List<Chapter>
-        val pageLoader =
+        pageLoader =
             BitIntentDataManager.getInstance().getData(APPCONST.PAGE_LOADER_KEY) as PageLoader
         searchWordEngine = SearchWordEngine(book, chapters, pageLoader)
     }
diff --git a/app/src/main/java/xyz/fycz/myreader/widget/page/EpubPageLoader.java b/app/src/main/java/xyz/fycz/myreader/widget/page/EpubPageLoader.java
index ba978f4..8471fea 100644
--- a/app/src/main/java/xyz/fycz/myreader/widget/page/EpubPageLoader.java
+++ b/app/src/main/java/xyz/fycz/myreader/widget/page/EpubPageLoader.java
@@ -280,7 +280,6 @@ public class EpubPageLoader extends PageLoader {
 
     @Override
     public String getChapterReader(Chapter chapter) throws Exception {
-        Log.d("getChapterReader", chapter.getTitle());
         /*byte[] content = getChapterContent(chapter).getBytes();
         ByteArrayInputStream bais = new ByteArrayInputStream(content);
         BufferedReader br = new BufferedReader(new InputStreamReader(bais));
diff --git a/app/src/main/java/xyz/fycz/myreader/widget/page/PageLoader.java b/app/src/main/java/xyz/fycz/myreader/widget/page/PageLoader.java
index ff91e9d..72cd831 100644
--- a/app/src/main/java/xyz/fycz/myreader/widget/page/PageLoader.java
+++ b/app/src/main/java/xyz/fycz/myreader/widget/page/PageLoader.java
@@ -2128,6 +2128,10 @@ public abstract class PageLoader {
 
     public void skipToSearch(int chapterNum, int countInChapter, String keyword) {
         skipToChapter(chapterNum);
+        if (mStatus != STATUS_FINISH){
+            App.getHandler().postDelayed(() -> skipToSearch(chapterNum, countInChapter, keyword), 300);
+            return;
+        }
         int[] position = searchWordPositions(countInChapter, keyword);
         skipToPage(position[0]);
         mPageView.setFirstSelectTxtChar(mCurPage.txtLists.get(position[1]).
@@ -2180,7 +2184,7 @@ public abstract class PageLoader {
         TxtPage currentPage = pages.get(pageIndex);
         int lineIndex = 0;
         length = length - currentPage.getContent().length() + currentPage.lines.get(lineIndex).length();
-        while (length < contentPosition) {
+        while (length <= contentPosition) {
             lineIndex += 1;
             if (lineIndex > currentPage.lines.size()) {
                 lineIndex = currentPage.lines.size();
diff --git a/app/version_code.properties b/app/version_code.properties
index 465d718..0f63650 100644
--- a/app/version_code.properties
+++ b/app/version_code.properties
@@ -1,3 +1,3 @@
 #Fri Jun 18 21:45:31 CST 2021
 VERSION_CODE=224
-NEED_CREATE_RELEASE=true
+NEED_CREATE_RELEASE=false