diff --git a/app/src/main/java/io/legado/app/data/dao/SearchBookDao.kt b/app/src/main/java/io/legado/app/data/dao/SearchBookDao.kt
index e7cf630d0..0bde5a81c 100644
--- a/app/src/main/java/io/legado/app/data/dao/SearchBookDao.kt
+++ b/app/src/main/java/io/legado/app/data/dao/SearchBookDao.kt
@@ -20,4 +20,7 @@ interface SearchBookDao {
 
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     fun insert(vararg searchBook: SearchBook)
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    fun insert(searchBook: SearchBook)
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/data/entities/SearchBook.kt b/app/src/main/java/io/legado/app/data/entities/SearchBook.kt
index 674671b64..71db1dc8b 100644
--- a/app/src/main/java/io/legado/app/data/entities/SearchBook.kt
+++ b/app/src/main/java/io/legado/app/data/entities/SearchBook.kt
@@ -42,11 +42,11 @@ data class SearchBook(
         }
 
     private fun initVariableMap() {
-        if (variableMap == null) {
+        variableMap?.let {
             variableMap = if (TextUtils.isEmpty(variable)) {
                 HashMap()
             } else {
-                GSON.fromJsonObject<HashMap<String, String>>(variable!!)
+                GSON.fromJsonObject(variable)
             }
         }
     }
diff --git a/app/src/main/java/io/legado/app/ui/search/SearchActivity.kt b/app/src/main/java/io/legado/app/ui/search/SearchActivity.kt
index 20ba266ef..1e3db77c5 100644
--- a/app/src/main/java/io/legado/app/ui/search/SearchActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/search/SearchActivity.kt
@@ -28,6 +28,7 @@ class SearchActivity : VMBaseActivity<SearchViewModel>(R.layout.activity_search)
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         initRecyclerView()
         initSearchView()
+        initData(0L)
     }
 
     private fun initSearchView() {
@@ -68,7 +69,7 @@ class SearchActivity : VMBaseActivity<SearchViewModel>(R.layout.activity_search)
 
     private fun initData(startTime: Long) {
         searchBookData?.removeObservers(this)
-        searchBookData = LivePagedListBuilder(App.db.searchBookDao().observeNew(startTime), 30).build()
+        searchBookData = LivePagedListBuilder(App.db.searchBookDao().observeAll(), 30).build()
         searchBookData?.observe(this, Observer { adapter.submitList(it) })
     }