diff --git a/app/src/main/java/io/legado/app/model/SearchBook.kt b/app/src/main/java/io/legado/app/model/SearchBook.kt
index 7b344e60f..f70d931a2 100644
--- a/app/src/main/java/io/legado/app/model/SearchBook.kt
+++ b/app/src/main/java/io/legado/app/model/SearchBook.kt
@@ -1,5 +1,25 @@
 package io.legado.app.model
 
-class SearchBook {
+import io.legado.app.data.entities.BookSource
+import io.legado.app.help.AppConfig
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.asCoroutineDispatcher
+import java.util.concurrent.Executors
+
+class SearchBook(scope: CoroutineScope, callBack: CallBack) {
+    private var searchPool =
+        Executors.newFixedThreadPool(AppConfig.threadCount).asCoroutineDispatcher()
+    private var searchId = System.currentTimeMillis()
+    private var searchPage = 1
+    private var searchKey: String = ""
+    private val searchEngines = arrayListOf<SearchEngine>()
+
+
+    private data class SearchEngine(val bookSource: BookSource, var hasMore: Boolean = true)
+
+    interface CallBack {
+        fun onSearchSuccess()
+        fun onSearchFinish()
+    }
 
 }
\ No newline at end of file