diff --git a/app/src/main/java/com/novel/read/activity/NovelBookDetailActivity.kt b/app/src/main/java/com/novel/read/activity/NovelBookDetailActivity.kt
index c526aa7..1875937 100644
--- a/app/src/main/java/com/novel/read/activity/NovelBookDetailActivity.kt
+++ b/app/src/main/java/com/novel/read/activity/NovelBookDetailActivity.kt
@@ -38,7 +38,7 @@ class NovelBookDetailActivity : NovelBaseActivity(), View.OnClickListener {
     private var isCollected = false
     private var mCollBookBean: CollBookBean? = null
 
-    private var mProgressDialog: ProgressDialog? = null
+    private lateinit var mProgressDialog: ProgressDialog
 
     override val layoutId: Int get() = R.layout.activity_book_detail
 
@@ -47,6 +47,7 @@ class NovelBookDetailActivity : NovelBaseActivity(), View.OnClickListener {
         rlv_lovely.layoutManager = LinearLayoutManager(this)
         mAdapter = LoveLyAdapter(mList)
         rlv_lovely.adapter = mAdapter
+        mProgressDialog = ProgressDialog(this)
     }
 
     override fun initData() {
@@ -73,11 +74,8 @@ class NovelBookDetailActivity : NovelBaseActivity(), View.OnClickListener {
                     tv_add_book.text = resources.getString(R.string.add_book)
                     isCollected = false
                 } else {
-                    if (mProgressDialog == null) {
-                        mProgressDialog = ProgressDialog(this)
-                        mProgressDialog!!.setTitle("正在添加到书架中")
-                    }
-                    mProgressDialog!!.show()
+                    mProgressDialog.setTitle("正在添加到书架中")
+                    mProgressDialog.show()
                     AccountManager.getInstance()
                         .getBookArticle(mBookId.toString(), "2", "1", "100000")
 
@@ -185,9 +183,7 @@ class NovelBookDetailActivity : NovelBaseActivity(), View.OnClickListener {
     }
 
     private fun dismiss() {
-        if (mProgressDialog != null) {
-            mProgressDialog!!.dismiss()
-        }
+        mProgressDialog.dismiss()
     }
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
diff --git a/app/src/main/java/com/novel/read/activity/NovelReadActivity.kt b/app/src/main/java/com/novel/read/activity/NovelReadActivity.kt
index a9e9975..82d93af 100644
--- a/app/src/main/java/com/novel/read/activity/NovelReadActivity.kt
+++ b/app/src/main/java/com/novel/read/activity/NovelReadActivity.kt
@@ -595,7 +595,6 @@ class NovelReadActivity : NovelBaseActivity(), DownloadService.OnDownloadListene
         super.onDestroy()
         EventManager.instance.unregisterSubscriber(this)
         mPageLoader.closeBook()
-//        mPageLoader = null
         unbindService(mConn)
         unregisterReceiver(mReceiver)
     }
diff --git a/app/src/main/java/com/novel/read/adapter/SearchAdapter.kt b/app/src/main/java/com/novel/read/adapter/SearchAdapter.kt
index a4da871..3802822 100644
--- a/app/src/main/java/com/novel/read/adapter/SearchAdapter.kt
+++ b/app/src/main/java/com/novel/read/adapter/SearchAdapter.kt
@@ -92,10 +92,7 @@ class SearchAdapter(private val mList: List<SearchResp.BookBean>, recyclerView:
                 val bookBean = mList[i]
                 viewHolder.mTvBookName.text = bookBean.title
                 viewHolder.itemView.setOnClickListener { view ->
-                    mClickListener!!.onItemClick(
-                        view,
-                        i
-                    )
+                    mClickListener!!.onItemClick(view, i)
                 }
             }
             is BookHolder -> {
@@ -158,7 +155,6 @@ class SearchAdapter(private val mList: List<SearchResp.BookBean>, recyclerView:
         this.mClickListener = mListener
     }
 
-
     interface OnItemClickListener {
         fun onItemClick(view: View, pos: Int)
     }
diff --git a/app/src/main/res/layout/activity_read.xml b/app/src/main/res/layout/activity_read.xml
index 72974ca..92b0899 100644
--- a/app/src/main/res/layout/activity_read.xml
+++ b/app/src/main/res/layout/activity_read.xml
@@ -2,9 +2,9 @@
 <androidx.drawerlayout.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/read_dl_slide"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:id="@+id/read_dl_slide"
     tools:context=".activity.NovelReadActivity">
 
 
@@ -43,21 +43,21 @@
                         android:id="@+id/read_tv_brief"
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
+                        android:layout_marginEnd="10dp"
                         android:layout_toStartOf="@id/read_tv_community"
                         android:drawableStart="@drawable/ic_book_detail"
-                        android:text="@string/brief"
-                        android:gravity="center"
                         android:drawablePadding="10dp"
-                        android:layout_marginEnd="10dp"/>
+                        android:gravity="center"
+                        android:text="@string/brief" />
 
                     <androidx.appcompat.widget.AppCompatTextView
                         android:id="@+id/read_tv_community"
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
                         android:layout_alignParentEnd="true"
+                        android:drawableStart="@drawable/ic_label"
                         android:drawablePadding="10dp"
                         android:gravity="center"
-                        android:drawableStart="@drawable/ic_label"
                         android:text="@string/label" />
                 </RelativeLayout>
             </androidx.appcompat.widget.Toolbar>
@@ -72,27 +72,29 @@
             tools:visibility="gone" />
 
 
-        <include layout="@layout/layout_download"
+        <include
+            layout="@layout/layout_download"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            app:layout_constraintTop_toTopOf="parent"/>
+            app:layout_constraintTop_toTopOf="parent" />
 
         <include
             layout="@layout/layout_light"
-            app:layout_constraintBottom_toTopOf="@+id/read_ll_bottom_menu"
             android:layout_width="match_parent"
-            android:layout_height="wrap_content" />
+            android:layout_height="wrap_content"
+            app:layout_constraintBottom_toTopOf="@+id/read_ll_bottom_menu" />
 
-        <include layout="@layout/layout_read_mark"
-            app:layout_constraintBottom_toTopOf="@+id/read_ll_bottom_menu"
+        <include
+            layout="@layout/layout_read_mark"
             android:layout_width="match_parent"
-            android:layout_height="190dp" />
+            android:layout_height="190dp"
+            app:layout_constraintBottom_toTopOf="@+id/read_ll_bottom_menu" />
 
         <!--<include-->
-            <!--layout="@layout/layout_setting"-->
-            <!--app:layout_constraintBottom_toTopOf="@+id/read_ll_bottom_menu"-->
-            <!--android:layout_width="match_parent"-->
-            <!--android:layout_height="wrap_content" />-->
+        <!--layout="@layout/layout_setting"-->
+        <!--app:layout_constraintBottom_toTopOf="@+id/read_ll_bottom_menu"-->
+        <!--android:layout_width="match_parent"-->
+        <!--android:layout_height="wrap_content" />-->
 
         <!--底部页面-->
         <androidx.appcompat.widget.LinearLayoutCompat
@@ -174,12 +176,18 @@
             android:text="@string/contents"
             android:textColor="@color/black"
             android:textSize="20sp" />
-
-        <ListView
-            android:id="@+id/rlv_list"
+        <!--   这里用ListView是因为它带有旁边的滚动条,加RelativeLayout是解决ListView偶尔无法滚动问题    -->
+        <RelativeLayout
             android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:scrollbars="vertical"/>
+            android:layout_height="0dp"
+            android:layout_weight="1">
+
+            <ListView
+                android:id="@+id/rlv_list"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:scrollbars="vertical" />
+        </RelativeLayout>
 
     </androidx.appcompat.widget.LinearLayoutCompat>
 
@@ -188,8 +196,8 @@
         android:id="@+id/iv_guide"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:src="@drawable/ic_guide"
         android:scaleType="fitXY"
-        android:visibility="gone"/>
+        android:src="@drawable/ic_guide"
+        android:visibility="gone" />
 
 </androidx.drawerlayout.widget.DrawerLayout>
\ No newline at end of file