diff --git a/app/src/main/java/io/legado/app/help/AppConfig.kt b/app/src/main/java/io/legado/app/help/AppConfig.kt
index 02f84a838..f8eb4f62e 100644
--- a/app/src/main/java/io/legado/app/help/AppConfig.kt
+++ b/app/src/main/java/io/legado/app/help/AppConfig.kt
@@ -35,7 +35,7 @@ object AppConfig {
         }
 
     var threadCount: Int
-        get() = App.INSTANCE.getPrefInt(PreferKey.threadCount)
+        get() = App.INSTANCE.getPrefInt(PreferKey.threadCount, 16)
         set(value) {
             App.INSTANCE.putPrefInt(PreferKey.threadCount, value)
         }