diff --git a/app/src/main/java/com/lizongying/mytv/MainActivity.kt b/app/src/main/java/com/lizongying/mytv/MainActivity.kt
index a59fc4d..e766306 100644
--- a/app/src/main/java/com/lizongying/mytv/MainActivity.kt
+++ b/app/src/main/java/com/lizongying/mytv/MainActivity.kt
@@ -241,7 +241,7 @@ class MainActivity : FragmentActivity() {
 
     fun saveBootStartup(bootStartup: Boolean) {
         with(sharedPref.edit()) {
-            putBoolean(CHANNEL_NUM, channelNum)
+            putBoolean(BOOT_STARTUP, bootStartup)
             apply()
         }
         this.bootStartup = bootStartup
@@ -537,4 +537,4 @@ class MainActivity : FragmentActivity() {
         private const val CHANNEL_NUM = "channel_num"
         const val BOOT_STARTUP = "boot_startup"
     }
-}
\ No newline at end of file
+}