diff --git a/app/src/main/assets/updateLog.md b/app/src/main/assets/updateLog.md
index 8df9d933c..da8aa319c 100644
--- a/app/src/main/assets/updateLog.md
+++ b/app/src/main/assets/updateLog.md
@@ -6,7 +6,9 @@
 **2020/11/18**
 * 优化导航栏
 * js添加java.log(msg: String)用于调试时输出消息
-* js添加cookie对象,可用方法见io.legado.app.help.http.api.CookieManager
+* js添加cookie变量,方法见io.legado.app.help.http.api.CookieManager
+* js添加cache变量,可以用来存储token之类的临时值,可以设置保存时间,方法见io.legado.app.help.CacheManager
+* 需要token的网站可以用js来写了,比如阿里tts
 
 **2020/11/16**
 * 修复导出添加替换净化引起的bug
diff --git a/app/src/main/java/io/legado/app/help/CacheManager.kt b/app/src/main/java/io/legado/app/help/CacheManager.kt
index 558b71f0c..8a88811f6 100644
--- a/app/src/main/java/io/legado/app/help/CacheManager.kt
+++ b/app/src/main/java/io/legado/app/help/CacheManager.kt
@@ -5,6 +5,7 @@ import io.legado.app.data.entities.Cache
 
 object CacheManager {
 
+    @JvmOverloads
     fun put(key: String, value: Any, saveTime: Int = 0) {
         val deadline = if (saveTime == 0) 0 else System.currentTimeMillis() + saveTime * 1000
         val cache = Cache(key, value.toString(), deadline)