diff --git a/app/src/main/java/io/legado/app/constant/Action.kt b/app/src/main/java/io/legado/app/constant/Action.kt
index 297b38714..a13a8cca3 100644
--- a/app/src/main/java/io/legado/app/constant/Action.kt
+++ b/app/src/main/java/io/legado/app/constant/Action.kt
@@ -1,7 +1,7 @@
 package io.legado.app.constant
 
 object Action {
-
+    const val start = "start"
     const val play = "play"
     const val stop = "stop"
     const val resume = "resume"
diff --git a/app/src/main/java/io/legado/app/service/DownloadService.kt b/app/src/main/java/io/legado/app/service/DownloadService.kt
index 2af217bc4..24ca25ce5 100644
--- a/app/src/main/java/io/legado/app/service/DownloadService.kt
+++ b/app/src/main/java/io/legado/app/service/DownloadService.kt
@@ -18,6 +18,7 @@ class DownloadService : BaseService() {
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
         intent?.action?.let { action ->
             when (action) {
+                Action.start -> download()
                 Action.stop -> stopSelf()
             }
         }
@@ -28,6 +29,10 @@ class DownloadService : BaseService() {
         super.onDestroy()
     }
 
+    private fun download() {
+
+    }
+
     /**
      * 更新通知
      */