diff --git a/app/src/main/java/io/legado/app/help/ReadBookConfig.kt b/app/src/main/java/io/legado/app/help/ReadBookConfig.kt
index cbc9fbd77..ab248287d 100644
--- a/app/src/main/java/io/legado/app/help/ReadBookConfig.kt
+++ b/app/src/main/java/io/legado/app/help/ReadBookConfig.kt
@@ -103,10 +103,10 @@ object ReadBookConfig {
     }
 
     //配置写入读取
-    var autoReadSpeed
-        get() = App.INSTANCE.getPrefInt(PreferKey.autoReadSpeed, 46)
+    var autoReadSpeed = App.INSTANCE.getPrefInt(PreferKey.autoReadSpeed, 46)
         set(value) {
             App.INSTANCE.putPrefInt(PreferKey.autoReadSpeed, value)
+            field = value
         }
     var styleSelect = App.INSTANCE.getPrefInt(PreferKey.readStyleSelect)
         set(value) {