diff --git a/app/src/main/java/com/gh/gamecenter/gamedetail/desc/DescFragment.kt b/app/src/main/java/com/gh/gamecenter/gamedetail/desc/DescFragment.kt
index 8b35bf3a51..ba03adc5e6 100644
--- a/app/src/main/java/com/gh/gamecenter/gamedetail/desc/DescFragment.kt
+++ b/app/src/main/java/com/gh/gamecenter/gamedetail/desc/DescFragment.kt
@@ -42,9 +42,10 @@ import org.greenrobot.eventbus.EventBus
 import org.greenrobot.eventbus.Subscribe
 import org.greenrobot.eventbus.ThreadMode
 
+// TODO 处理页面重建时会生成额外 Fragment 的问题
 class DescFragment: LazyFragment(), IScrollable {
 
-    private lateinit var mAdapter: DescAdapter
+    private var mAdapter: DescAdapter ? = null
     private var mLayoutManager: LinearLayoutManager? = null
     private var mGameEntity: GameEntity? = null
 
@@ -64,12 +65,15 @@ class DescFragment: LazyFragment(), IScrollable {
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
+
+        val adapter = mAdapter ?: return
+
         if (resultCode == Activity.RESULT_OK) {
             if (DescCommentsAdapter.RATING_REPLY_REQUEST == requestCode || DescCommentsAdapter.RATING_PATCH_REQUEST == requestCode) {
                 var commentPosition = 0
                 SyncDataBetweenPageHelper.resultHandle(data, object : OnSyncCallBack<RatingComment> {
                     override fun onData(dataPosition: Int): RatingComment? {
-                        val descItemList = mAdapter.descItemList
+                        val descItemList = adapter.descItemList
                         for (i in 0 until descItemList.size) {
                             val comments = descItemList[i].comment
                             if (comments != null) {
@@ -85,16 +89,16 @@ class DescFragment: LazyFragment(), IScrollable {
                     }
 
                     override fun onNotify(dataPosition: Int) {
-                        mAdapter.notifyItemChanged(commentPosition)
+                        adapter.notifyItemChanged(commentPosition)
                     }
                 })
             } else if (requestCode == 100) {
-                val position = mAdapter.descItemList.indexOfFirst { it.type == DetailEntity.Type.LIBAO.value }
-                mAdapter.notifyItemChanged(position)
+                val position = adapter.descItemList.indexOfFirst { it.type == DetailEntity.Type.LIBAO.value }
+                adapter.notifyItemChanged(position)
             }
         } else if (requestCode == DescCommentsAdapter.RATING_REPLY_REQUEST && resultCode == RatingFragment.RATING_DELETE_RESULT) {
             data?.getParcelableExtra<RatingComment>(RatingComment::class.java.simpleName)?.run {
-                val descItemList = mAdapter.descItemList
+                val descItemList = adapter.descItemList
                 var commentPosition = 0
                 for (i in 0 until descItemList.size) {
                     val comments = descItemList[i].comment
@@ -105,7 +109,7 @@ class DescFragment: LazyFragment(), IScrollable {
                         break
                     }
                 }
-                mAdapter.notifyItemChanged(commentPosition)
+                adapter.notifyItemChanged(commentPosition)
             }
         }
     }
@@ -129,7 +133,7 @@ class DescFragment: LazyFragment(), IScrollable {
         gameDetailViewModel.gameDetailLiveData.observeNonNull(this) { gameDetail ->
             if (gameDetail.data == null) return@observeNonNull
 
-            mAdapter.updateDescItemList(mViewModel.decorateList(gameDetail.data!!.detailEntity))
+            mAdapter?.updateDescItemList(mViewModel.decorateList(gameDetail.data!!.detailEntity))
             // 非镜像游戏获取大家都在玩 (数据来源看具体方法内容) 数据
             if (mGameEntity?.shouldUseMirrorInfo() == false) {
                 mViewModel.generateRecommendedGamesItem(gameDetail.data!!.detailEntity)
@@ -146,10 +150,10 @@ class DescFragment: LazyFragment(), IScrollable {
             }
         }
         gameDetailViewModel.unifiedGameDetailWithUserRelatedInfoForChildLiveData.observeNonNull(this) {
-            mAdapter.updateDescItemList(mViewModel.decorateList(it.detailEntity))
+            mAdapter?.updateDescItemList(mViewModel.decorateList(it.detailEntity))
         }
         mViewModel.list.observe(this) {
-            mAdapter.updateDescItemList(it)
+            mAdapter?.updateDescItemList(it)
             if (mScrollToLibao && mViewModel.getLibaoIndexPosition() != -1) {
                 mScrollToLibao = false
                 mLayoutManager?.scrollToPositionWithOffset(mViewModel.getLibaoIndexPosition(), 0)
@@ -168,7 +172,7 @@ class DescFragment: LazyFragment(), IScrollable {
                 moreTv.isEnabled = true
             }
             if (it) {
-                mAdapter.notifyItemChanged(mViewModel.getColumnRecommendPosition())
+                mAdapter?.notifyItemChanged(mViewModel.getColumnRecommendPosition())
             }
         }
     }
@@ -196,8 +200,8 @@ class DescFragment: LazyFragment(), IScrollable {
                 for (i in firstCompletelyVisibleItemPosition..lastCompletelyVisibleItemPosition) {
                     if (i < 0) continue
 
-                    if (mAdapter.getItemViewType(i) == DescAdapter.CUSTOM_COLUMN
-                        && mAdapter.descItemList[i].customColumn?.showExpandTagsHint == true
+                    if (mAdapter?.getItemViewType(i) == DescAdapter.CUSTOM_COLUMN
+                        && mAdapter!!.descItemList[i].customColumn?.showExpandTagsHint == true
                     ) {
                         SPUtils.setBoolean(Constants.SP_HAS_SHOWN_EXPANDED_GAME_DETAIL_TAGS_HINT, true)
                     }
@@ -255,13 +259,13 @@ class DescFragment: LazyFragment(), IScrollable {
     override fun onDestroy() {
         super.onDestroy()
         mCompositeDisposable.dispose()
-        mAdapter.stopHandlerThread()
+        mAdapter?.stopHandlerThread()
     }
 
     @Subscribe(threadMode = ThreadMode.MAIN)
     fun onEventMainThread(reuse: EBReuse) {
         if (SKIP_DESC == reuse.type) {
-            mAdapter.notifyDataSetChanged()
+            mAdapter?.notifyDataSetChanged()
         }
     }
 
@@ -295,7 +299,7 @@ class DescFragment: LazyFragment(), IScrollable {
         super.onDarkModeChanged()
         mBinding.recyclerview.setBackgroundColor(R.color.background.toColor(requireContext()))
         mBinding.recyclerview.recycledViewPool.clear()
-        mAdapter.notifyItemRangeChanged(0, mAdapter.itemCount)
+        mAdapter?.let { it.notifyItemRangeChanged(0, it.itemCount) }
     }
 
     private fun showFloatingWindowIfNeeded() {