diff --git a/app/src/main/java/xyz/fycz/myreader/experiment/BookWCEstimate.kt b/app/src/main/java/xyz/fycz/myreader/experiment/BookWCEstimate.kt
index 3c3f70a..148c33e 100644
--- a/app/src/main/java/xyz/fycz/myreader/experiment/BookWCEstimate.kt
+++ b/app/src/main/java/xyz/fycz/myreader/experiment/BookWCEstimate.kt
@@ -49,13 +49,13 @@ class BookWCEstimate {
         var cachedChapterSize = 0
         for (chapter in chapters) {
             if (cachedChapterSize >= 20) break
-            if (ChapterService.isChapterCached(chapter.bookId, chapter.title)) {
+            if (ChapterService.isChapterCached(chapter)) {
                 cachedChapterSize++
             }
         }
         if ((cachedChapterSize < 20 && chapters.size > 50) || cachedChapterSize == 0) return -2
         chapters.forEach { chapter ->
-            if (ChapterService.isChapterCached(chapter.bookId, chapter.title)) {
+            if (ChapterService.isChapterCached(chapter)) {
                 sum += countChar(
                     File(
                         APPCONST.BOOK_CACHE_PATH + chapter.bookId
diff --git a/app/src/main/java/xyz/fycz/myreader/greendao/entity/Chapter.java b/app/src/main/java/xyz/fycz/myreader/greendao/entity/Chapter.java
index 912802f..a764c5d 100644
--- a/app/src/main/java/xyz/fycz/myreader/greendao/entity/Chapter.java
+++ b/app/src/main/java/xyz/fycz/myreader/greendao/entity/Chapter.java
@@ -17,6 +17,7 @@ import org.greenrobot.greendao.annotation.Id;
 import org.greenrobot.greendao.annotation.Transient;
 
 import xyz.fycz.myreader.common.APPCONST;
+import xyz.fycz.myreader.greendao.service.ChapterService;
 import xyz.fycz.myreader.model.third3.analyzeRule.RuleDataInterface;
 import xyz.fycz.myreader.util.utils.FileUtils;
 import xyz.fycz.myreader.util.utils.GsonExtensionsKt;
@@ -115,11 +116,9 @@ public class Chapter implements RuleDataInterface {
 
     public String getContent() {
         if (end > 0) return end + "";
-        String filePath = APPCONST.BOOK_CACHE_PATH + bookId
-                + File.separator + title + FileUtils.SUFFIX_FY;
-        File file = new File(filePath);
+        File file = ChapterService.getChapterFile(this);
         if (file.exists() && file.length() > 0) {
-            this.content = filePath;
+            this.content = file.getAbsolutePath();
         } else {
             this.content = null;
         }
diff --git a/app/src/main/java/xyz/fycz/myreader/greendao/service/ChapterService.java b/app/src/main/java/xyz/fycz/myreader/greendao/service/ChapterService.java
index a16bb44..5306265 100644
--- a/app/src/main/java/xyz/fycz/myreader/greendao/service/ChapterService.java
+++ b/app/src/main/java/xyz/fycz/myreader/greendao/service/ChapterService.java
@@ -3,6 +3,7 @@ package xyz.fycz.myreader.greendao.service;
 import android.database.Cursor;
 
 import xyz.fycz.myreader.common.APPCONST;
+import xyz.fycz.myreader.greendao.entity.BookMark;
 import xyz.fycz.myreader.greendao.entity.Chapter;
 import xyz.fycz.myreader.greendao.gen.ChapterDao;
 import xyz.fycz.myreader.util.IOUtils;
@@ -19,15 +20,16 @@ public class ChapterService extends BaseService {
     private static volatile ChapterService sInstance;
 
     public static ChapterService getInstance() {
-        if (sInstance == null){
-            synchronized (ChapterService.class){
-                if (sInstance == null){
+        if (sInstance == null) {
+            synchronized (ChapterService.class) {
+                if (sInstance == null) {
                     sInstance = new ChapterService();
                 }
             }
         }
         return sInstance;
     }
+
     private List<Chapter> findChapters(String sql, String[] selectionArgs) {
         ArrayList<Chapter> chapters = new ArrayList<>();
         try {
@@ -188,11 +190,11 @@ public class ChapterService extends BaseService {
             return;
         }
 
-        File file = getBookFile(chapter.getBookId(), chapter.getTitle());
+        File file = getChapterFileExisted(chapter);
         BufferedWriter bw = null;
         try {
             bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file)));
-            bw.write(content.replace(chapter.getTitle(), ""));
+            bw.write(content);
             bw.flush();
         } catch (IOException e) {
             e.printStackTrace();
@@ -207,25 +209,25 @@ public class ChapterService extends BaseService {
      * @param chapter
      */
     public void deleteChapterCacheFile(Chapter chapter) {
-        File file = getBookFile(chapter.getBookId(), chapter.getTitle());
-        file.delete();
+        File file = getChapterFile(chapter);
+        if (file.exists()) file.delete();
     }
 
     /**
      * 获取缓存章节内容
+     *
      * @param chapter
      * @return
      */
-    public String getChapterCatheContent(Chapter chapter){
-        File file = new File(APPCONST.BOOK_CACHE_PATH + chapter.getBookId()
-                + File.separator + chapter.getTitle() + FileUtils.SUFFIX_FY);
+    public String getChapterCatheContent(Chapter chapter) {
+        File file = getChapterFile(chapter);
         if (!file.exists()) return null;
         BufferedReader br = null;
         try {
             br = new BufferedReader(new FileReader(file));
             StringBuilder s = new StringBuilder();
             String line = null;
-            while ((line = br.readLine()) != null){
+            while ((line = br.readLine()) != null) {
                 s.append(line);
                 s.append("\n");
             }
@@ -233,7 +235,7 @@ public class ChapterService extends BaseService {
         } catch (IOException e) {
             e.printStackTrace();
             return null;
-        }finally {
+        } finally {
             IOUtils.close(br);
         }
     }
@@ -278,13 +280,20 @@ public class ChapterService extends BaseService {
      * 根据文件名判断是否被缓存过 (因为可能数据库显示被缓存过，但是文件中却没有的情况，所以需要根据文件判断是否被缓存
      * 过)
      *
-     * @param folderName : bookId
-     * @param fileName:  chapterName
+     * @param chapter : chapter
      * @return
      */
-    public static boolean isChapterCached(String folderName, String fileName) {
-        File file = new File(APPCONST.BOOK_CACHE_PATH + folderName
-                + File.separator + fileName + FileUtils.SUFFIX_FY);
+    public static boolean isChapterCached(Chapter chapter) {
+        File file = getChapterFile(chapter);
+        return file.exists();
+    }
+
+    public static boolean isChapterCached(BookMark bookMark) {
+        Chapter chapter = new Chapter();
+        chapter.setBookId(bookMark.getBookId());
+        chapter.setNumber(bookMark.getBookMarkChapterNum());
+        chapter.setTitle(bookMark.getTitle());
+        File file = getChapterFile(chapter);
         return file.exists();
     }
 
@@ -326,4 +335,24 @@ public class ChapterService extends BaseService {
                 + File.separator + fileName + FileUtils.SUFFIX_FY);
     }
 
+    public static File getChapterFile(Chapter chapter) {
+        File file = new File(APPCONST.BOOK_CACHE_PATH + chapter.getBookId()
+                + File.separator + chapter.getNumber() + "、" + chapter.getTitle() + FileUtils.SUFFIX_FY);
+        if (!file.exists()) {
+            file = new File(APPCONST.BOOK_CACHE_PATH + chapter.getBookId()
+                    + File.separator + chapter.getTitle() + FileUtils.SUFFIX_FY);
+        }
+        return file;
+    }
+
+    public static File getChapterFileExisted(Chapter chapter) {
+        File file = new File(APPCONST.BOOK_CACHE_PATH + chapter.getBookId()
+                + File.separator + chapter.getTitle() + FileUtils.SUFFIX_FY);
+        if (!file.exists()) {
+            file = FileUtils.getFile(APPCONST.BOOK_CACHE_PATH + chapter.getBookId()
+                    + File.separator + chapter.getNumber() + "、" + chapter.getTitle() + FileUtils.SUFFIX_FY);
+        }
+        return file;
+    }
+
 }
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 a3fd4ca..de557ef 100644
--- a/app/src/main/java/xyz/fycz/myreader/model/SearchWordEngine.kt
+++ b/app/src/main/java/xyz/fycz/myreader/model/SearchWordEngine.kt
@@ -108,7 +108,7 @@ class SearchWordEngine(
                     chapterTitle = chapter.title,
                     searchWord2List = mutableListOf()
                 )
-                if (!isLocalBook && !ChapterService.isChapterCached(book.id, chapter.title)) {
+                if (!isLocalBook && !ChapterService.isChapterCached(chapter)) {
                     emitter.onNext(searchWord1)
                     return@ObservableOnSubscribe
                 }
diff --git a/app/src/main/java/xyz/fycz/myreader/ui/adapter/BookMarkAdapter.java b/app/src/main/java/xyz/fycz/myreader/ui/adapter/BookMarkAdapter.java
index 96c3418..03397ae 100644
--- a/app/src/main/java/xyz/fycz/myreader/ui/adapter/BookMarkAdapter.java
+++ b/app/src/main/java/xyz/fycz/myreader/ui/adapter/BookMarkAdapter.java
@@ -62,7 +62,7 @@ public class BookMarkAdapter extends ArrayAdapter<BookMark> {
         final BookMark bookMark = getItem(postion);
         assert bookMark != null;
         viewHolder.tvTitle.setText(String.format("%s[%s]", bookMark.getTitle(), bookMark.getBookMarkReadPosition() + 1));
-        if (ChapterService.isChapterCached(bookMark.getBookId(), bookMark.getTitle())){
+        if (ChapterService.isChapterCached(bookMark)){
             viewHolder.tvTitle.setCompoundDrawablesWithIntrinsicBounds(ContextCompat.getDrawable(getContext(), R.drawable.selector_category_load),null,null,null);
         } else {
             viewHolder.tvTitle.setCompoundDrawablesWithIntrinsicBounds(ContextCompat.getDrawable(getContext(),R.drawable.selector_category_unload),null,null,null);
diff --git a/app/src/main/java/xyz/fycz/myreader/ui/adapter/BookcaseAdapter.java b/app/src/main/java/xyz/fycz/myreader/ui/adapter/BookcaseAdapter.java
index bad68e0..c0b1a6d 100644
--- a/app/src/main/java/xyz/fycz/myreader/ui/adapter/BookcaseAdapter.java
+++ b/app/src/main/java/xyz/fycz/myreader/ui/adapter/BookcaseAdapter.java
@@ -223,7 +223,7 @@ public abstract class BookcaseAdapter extends RecyclerView.Adapter<BookcaseAdapt
             return false;
         }
         for (Chapter chapter : chapters) {
-            if (ChapterService.isChapterCached(chapter.getBookId(), chapter.getTitle())) {
+            if (ChapterService.isChapterCached(chapter)) {
                 bw.write("\t" + chapter.getTitle());
                 bw.newLine();
                 br = new BufferedReader(new FileReader(APPCONST.BOOK_CACHE_PATH + book.getId()
diff --git a/app/src/main/java/xyz/fycz/myreader/ui/adapter/ChapterTitleAdapter.java b/app/src/main/java/xyz/fycz/myreader/ui/adapter/ChapterTitleAdapter.java
index a3b5ce8..76a1ae9 100644
--- a/app/src/main/java/xyz/fycz/myreader/ui/adapter/ChapterTitleAdapter.java
+++ b/app/src/main/java/xyz/fycz/myreader/ui/adapter/ChapterTitleAdapter.java
@@ -68,7 +68,7 @@ public class ChapterTitleAdapter extends ArrayAdapter<Chapter> {
         final Chapter chapter = getItem(postion);
 //        viewHolder.tvTitle.setText("【" + chapter.getTitle() + "】");
         viewHolder.tvTitle.setText(chapter.getTitle());
-        if (ChapterService.isChapterCached(chapter.getBookId(), chapter.getTitle()) || chapter.getEnd() > 0) {
+        if (ChapterService.isChapterCached(chapter) || chapter.getEnd() > 0) {
             viewHolder.tvTitle.setCompoundDrawablesWithIntrinsicBounds(ContextCompat.getDrawable(getContext(),R.drawable.selector_category_load), null, null, null);
         } else {
             viewHolder.tvTitle.setCompoundDrawablesWithIntrinsicBounds(ContextCompat.getDrawable(getContext(),R.drawable.selector_category_unload), null, null, null);
diff --git a/app/src/main/java/xyz/fycz/myreader/ui/adapter/holder/CatalogHolder.java b/app/src/main/java/xyz/fycz/myreader/ui/adapter/holder/CatalogHolder.java
index 2ebf079..4982062 100644
--- a/app/src/main/java/xyz/fycz/myreader/ui/adapter/holder/CatalogHolder.java
+++ b/app/src/main/java/xyz/fycz/myreader/ui/adapter/holder/CatalogHolder.java
@@ -28,7 +28,7 @@ public class CatalogHolder extends ViewHolderImpl<Chapter> {
 
     @Override
     public void onBind(RecyclerView.ViewHolder holder, Chapter data, int pos) {
-        if (ChapterService.isChapterCached(data.getBookId(), data.getTitle()) || data.getEnd() > 0) {
+        if (ChapterService.isChapterCached(data) || data.getEnd() > 0) {
             tvTitle.setCompoundDrawablesWithIntrinsicBounds(ContextCompat.getDrawable(getContext(),R.drawable.selector_category_load), null, null, null);
         } else {
             tvTitle.setCompoundDrawablesWithIntrinsicBounds(ContextCompat.getDrawable(getContext(),R.drawable.selector_category_unload), null, null, null);
diff --git a/app/src/main/java/xyz/fycz/myreader/widget/page/LocalPageLoader.java b/app/src/main/java/xyz/fycz/myreader/widget/page/LocalPageLoader.java
index 8a7b3a5..c662eb2 100644
--- a/app/src/main/java/xyz/fycz/myreader/widget/page/LocalPageLoader.java
+++ b/app/src/main/java/xyz/fycz/myreader/widget/page/LocalPageLoader.java
@@ -391,7 +391,7 @@ public class LocalPageLoader extends PageLoader {
 
     @Override
     public boolean hasChapterData(Chapter chapter) {
-        return chapter.getEnd() > 0 || ChapterService.isChapterCached(mCollBook.getId(), chapter.getTitle());
+        return chapter.getEnd() > 0 || ChapterService.isChapterCached(chapter);
     }
 
 }
diff --git a/app/src/main/java/xyz/fycz/myreader/widget/page/NetPageLoader.java b/app/src/main/java/xyz/fycz/myreader/widget/page/NetPageLoader.java
index 6974317..871b674 100644
--- a/app/src/main/java/xyz/fycz/myreader/widget/page/NetPageLoader.java
+++ b/app/src/main/java/xyz/fycz/myreader/widget/page/NetPageLoader.java
@@ -113,7 +113,7 @@ public class NetPageLoader extends PageLoader {
 
     @Override
     public boolean hasChapterData(Chapter chapter) {
-        return ChapterService.isChapterCached(mCollBook.getId(), chapter.getTitle());
+        return ChapterService.isChapterCached(chapter);
     }
 
     // 装载上一章节的内容