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 3b5d89bdb..606248559 100644
--- a/app/src/main/java/io/legado/app/help/CacheManager.kt
+++ b/app/src/main/java/io/legado/app/help/CacheManager.kt
@@ -28,10 +28,6 @@ object CacheManager {
         }
     }
 
-    fun putString2File(key: String, value: String, saveTime: Int = 0) {
-        ACache.get(appCtx).put(key, value, saveTime)
-    }
-    
     fun get(key: String): String? {
         return appDb.cacheDao.get(key, System.currentTimeMillis())
     }
@@ -56,10 +52,6 @@ object CacheManager {
         return ACache.get(appCtx).getAsBinary(key)
     }
 
-    fun getString(key: String): String? {
-        return ACache.get(appCtx).getAsString(key)
-    }
-
     fun getQueryTTF(key: String): QueryTTF? {
         val cache = queryTTFMap[key] ?: return null
         if (cache.first == 0L || cache.first > System.currentTimeMillis()) {
@@ -68,6 +60,14 @@ object CacheManager {
         return null
     }
 
+    fun putFile(key: String, value: String, saveTime: Int = 0) {
+        ACache.get(appCtx).put(key, value, saveTime)
+    }
+
+    fun getFile(key: String): String? {
+        return ACache.get(appCtx).getAsString(key)
+    }
+
     fun delete(key: String) {
         appDb.cacheDao.delete(key)
         ACache.get(appCtx).remove(key)