diff --git a/app/src/main/java/io/legado/app/ui/book/search/HistoryKeyAdapter.kt b/app/src/main/java/io/legado/app/ui/book/search/HistoryKeyAdapter.kt
index 48b60e9b0..213157e90 100644
--- a/app/src/main/java/io/legado/app/ui/book/search/HistoryKeyAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/search/HistoryKeyAdapter.kt
@@ -1,12 +1,16 @@
 package io.legado.app.ui.book.search
 
 import android.content.Context
+import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.base.adapter.ItemViewHolder
 import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.SearchKeyword
 import io.legado.app.ui.widget.anima.explosion_field.ExplosionField
 import kotlinx.android.synthetic.main.item_text.view.*
+import kotlinx.coroutines.Dispatchers.IO
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
 import org.jetbrains.anko.sdk27.listeners.onClick
 import org.jetbrains.anko.sdk27.listeners.onLongClick
 
@@ -24,7 +28,9 @@ class HistoryKeyAdapter(context: Context, val callBack: CallBack) :
                 it?.let {
                     ExplosionField(context).explode(it, true)
                 }
-
+                GlobalScope.launch(IO) {
+                    App.db.searchKeywordDao().delete(item)
+                }
                 true
             }
         }
diff --git a/app/src/main/java/io/legado/app/ui/book/search/SearchActivity.kt b/app/src/main/java/io/legado/app/ui/book/search/SearchActivity.kt
index bdf2525f0..098fe7983 100644
--- a/app/src/main/java/io/legado/app/ui/book/search/SearchActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/search/SearchActivity.kt
@@ -44,6 +44,7 @@ class SearchActivity : VMBaseActivity<SearchViewModel>(R.layout.activity_book_se
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         initRecyclerView()
         initSearchView()
+        initOtherView()
         initData()
         intent.getStringExtra("key")?.let {
             search_view.setQuery(it, true)
@@ -105,6 +106,12 @@ class SearchActivity : VMBaseActivity<SearchViewModel>(R.layout.activity_book_se
         fb_stop.onClick { viewModel.stop() }
     }
 
+    private fun initOtherView() {
+        tv_clear_history.onClick {
+            viewModel.clearHistory()
+        }
+    }
+
     private fun initData() {
         searchBookData?.removeObservers(this)
         searchBookData = LivePagedListBuilder(
diff --git a/app/src/main/java/io/legado/app/ui/book/search/SearchViewModel.kt b/app/src/main/java/io/legado/app/ui/book/search/SearchViewModel.kt
index 85b3694db..011a13d8a 100644
--- a/app/src/main/java/io/legado/app/ui/book/search/SearchViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/search/SearchViewModel.kt
@@ -71,4 +71,10 @@ class SearchViewModel(application: Application) : BaseViewModel(application) {
             } ?: App.db.searchKeywordDao().insert(SearchKeyword(key, 1))
         }
     }
+
+    fun clearHistory() {
+        execute {
+            App.db.searchKeywordDao().deleteAll()
+        }
+    }
 }