diff --git a/app/src/main/java/com/monke/monkeybook/widget/page/LocalPageLoader.java b/app/src/main/java/com/monke/monkeybook/widget/page/LocalPageLoader.java
index 7484e5a6d4..c68aafd96b 100644
--- a/app/src/main/java/com/monke/monkeybook/widget/page/LocalPageLoader.java
+++ b/app/src/main/java/com/monke/monkeybook/widget/page/LocalPageLoader.java
@@ -60,8 +60,6 @@ public class LocalPageLoader extends PageLoader {
     //编码类型
     private Charset mCharset;
 
-    private Disposable mChapterDisp = null;
-
     LocalPageLoader(PageView pageView) {
         super(pageView);
     }
@@ -297,15 +295,6 @@ private boolean checkChapterType(RandomAccessFile bookStream) throws IOException
         return false;
     }
 
-    @Override
-    public void closeBook() {
-        super.closeBook();
-        if (mChapterDisp != null) {
-            mChapterDisp.dispose();
-            mChapterDisp = null;
-        }
-    }
-
     @Override
     public void refreshChapterList() {
         Observable.create((ObservableOnSubscribe<Boolean>) e -> {
@@ -353,16 +342,14 @@ private void loadChapterList() {
         // 通过RxJava异步处理分章事件
         Single.create((SingleOnSubscribe<List<ChapterListBean>>) e -> e.onSuccess(loadChapters()))
                 .compose(RxUtils::toSimpleSingle)
-                .compose(mPageView.getActivity().bindUntilEvent(ActivityEvent.DESTROY))
                 .subscribe(new SingleObserver<List<ChapterListBean>>() {
                     @Override
                     public void onSubscribe(Disposable d) {
-                        mChapterDisp = d;
+                        compositeDisposable.add(d);
                     }
 
                     @Override
                     public void onSuccess(List<ChapterListBean> value) {
-                        mChapterDisp = null;
                         isChapterListPrepare = true;
 
                         // 存储章节到数据库
diff --git a/app/src/main/java/com/monke/monkeybook/widget/page/NetPageLoader.java b/app/src/main/java/com/monke/monkeybook/widget/page/NetPageLoader.java
index 3765df569b..a3d78e2baa 100644
--- a/app/src/main/java/com/monke/monkeybook/widget/page/NetPageLoader.java
+++ b/app/src/main/java/com/monke/monkeybook/widget/page/NetPageLoader.java
@@ -4,7 +4,6 @@
 import android.os.Handler;
 
 import com.monke.basemvplib.BaseActivity;
-import com.monke.monkeybook.base.observer.SimpleObserver;
 import com.monke.monkeybook.bean.BookContentBean;
 import com.monke.monkeybook.bean.BookShelfBean;
 import com.monke.monkeybook.bean.ChapterListBean;
@@ -70,8 +69,12 @@ private void loadChapterList() {
         WebBookModelImpl.getInstance().getChapterList(getBook())
                 .subscribeOn(Schedulers.io())
                 .observeOn(AndroidSchedulers.mainThread())
-                .compose(mPageView.getActivity().bindUntilEvent(ActivityEvent.DESTROY))
-                .subscribe(new SimpleObserver<BookShelfBean>() {
+                .subscribe(new Observer<BookShelfBean>() {
+                    @Override
+                    public void onSubscribe(Disposable d) {
+                        compositeDisposable.add(d);
+                    }
+
                     @Override
                     public void onNext(BookShelfBean bookShelfBean) {
                         isChapterListPrepare = true;
@@ -95,6 +98,11 @@ public void onNext(BookShelfBean bookShelfBean) {
                     public void onError(Throwable e) {
                         chapterError(e.getMessage());
                     }
+
+                    @Override
+                    public void onComplete() {
+
+                    }
                 });
     }
 
@@ -116,6 +124,7 @@ chapterIndex, getBook().getChapterList(chapterIndex).getDurChapterName())
                     .subscribe(new Observer<BookContentBean>() {
                         @Override
                         public void onSubscribe(Disposable d) {
+                            compositeDisposable.add(d);
                             handler.postDelayed(() -> {
                                 DownloadingList(listHandle.REMOVE, getBook().getChapterList(chapterIndex).getDurChapterUrl());
                                 d.dispose();
diff --git a/app/src/main/java/com/monke/monkeybook/widget/page/PageLoader.java b/app/src/main/java/com/monke/monkeybook/widget/page/PageLoader.java
index 7cea8375ee..d13aa257cc 100644
--- a/app/src/main/java/com/monke/monkeybook/widget/page/PageLoader.java
+++ b/app/src/main/java/com/monke/monkeybook/widget/page/PageLoader.java
@@ -34,6 +34,7 @@
 import io.reactivex.Single;
 import io.reactivex.SingleObserver;
 import io.reactivex.SingleOnSubscribe;
+import io.reactivex.disposables.CompositeDisposable;
 import io.reactivex.disposables.Disposable;
 
 /**
@@ -111,9 +112,7 @@ public abstract class PageLoader {
     int mCurChapterPos;
     int mCurPagePos;
 
-    private Disposable curDisposable;
-    private Disposable prevDisposable;
-    private Disposable nextDisposable;
+    CompositeDisposable compositeDisposable;
     //翻页时间
     private long skipPageTime = 0;
 
@@ -123,7 +122,7 @@ public abstract class PageLoader {
         mContext = pageView.getContext();
         mCurChapterPos = getBook().getDurChapter();
         mCurPagePos = getBook().getDurChapterPage();
-
+        compositeDisposable = new CompositeDisposable();
         // 初始化数据
         initData();
         // 初始化画笔
@@ -956,15 +955,12 @@ boolean hasNext(int pageOnCur) {
      */
     void parseCurChapter() {
         if (mCurChapter.getStatus() != Enum.PageStatus.FINISH) {
-            if (curDisposable != null) {
-                curDisposable.dispose();
-            }
             Single.create((SingleOnSubscribe<TxtChapter>) e -> e.onSuccess(dealLoadPageList(mCurChapterPos)))
                     .compose(RxUtils::toSimpleSingle)
                     .subscribe(new SingleObserver<TxtChapter>() {
                         @Override
                         public void onSubscribe(Disposable d) {
-                            curDisposable = d;
+                            compositeDisposable.add(d);
                         }
 
                         @Override
@@ -995,15 +991,12 @@ void parsePrevChapter() {
         if (mPreChapter.getStatus() == Enum.PageStatus.FINISH || prevChapterPos < 0) {
             return;
         }
-        if (prevDisposable != null) {
-            prevDisposable.dispose();
-        }
         Single.create((SingleOnSubscribe<TxtChapter>) e -> e.onSuccess(dealLoadPageList(prevChapterPos)))
                 .compose(RxUtils::toSimpleSingle)
                 .subscribe(new SingleObserver<TxtChapter>() {
                     @Override
                     public void onSubscribe(Disposable d) {
-                        prevDisposable = d;
+                        compositeDisposable.add(d);
                     }
 
                     @Override
@@ -1031,15 +1024,12 @@ void parseNextChapter() {
         if (mNextChapter.getStatus() == Enum.PageStatus.FINISH || nextChapterPos >= getBook().getChapterList().size()) {
             return;
         }
-        if (nextDisposable != null) {
-            nextDisposable.dispose();
-        }
         Single.create((SingleOnSubscribe<TxtChapter>) e -> e.onSuccess(dealLoadPageList(nextChapterPos)))
                 .compose(RxUtils::toSimpleSingle)
                 .subscribe(new SingleObserver<TxtChapter>() {
                     @Override
                     public void onSubscribe(Disposable d) {
-                        nextDisposable = d;
+                        compositeDisposable.add(d);
                     }
 
                     @Override
@@ -1281,15 +1271,8 @@ BookShelfBean getBook() {
      * 关闭书本
      */
     public void closeBook() {
-        if (curDisposable != null) {
-            curDisposable.dispose();
-        }
-        if (prevDisposable != null) {
-            prevDisposable.dispose();
-        }
-        if (nextDisposable != null) {
-            nextDisposable.dispose();
-        }
+        compositeDisposable.dispose();
+        compositeDisposable = null;
 
         isChapterListPrepare = false;
         isClose = true;
@@ -1298,7 +1281,6 @@ public void closeBook() {
         mCurChapter = null;
         mNextChapter = null;
         mPageView = null;
-
     }
 
     public boolean isClose() {