diff --git a/service/src/main/java/com/github/kr328/clash/service/TunService.kt b/service/src/main/java/com/github/kr328/clash/service/TunService.kt
index 881e19f..1b48ab1 100644
--- a/service/src/main/java/com/github/kr328/clash/service/TunService.kt
+++ b/service/src/main/java/com/github/kr328/clash/service/TunService.kt
@@ -134,17 +134,17 @@ class TunService : VpnService(), CoroutineScope by MainScope() {
             get() = PRIVATE_VLAN_DNS
         override val dnsHijacking: Boolean
             get() = settings.get(ServiceSettings.DNS_HIJACKING)
-        override val allowApplications: List<String>
+        override val allowApplications: Collection<String>
             get() {
                 return if (settings.get(ServiceSettings.ACCESS_CONTROL_MODE) == ServiceSettings.ACCESS_CONTROL_MODE_WHITELIST) {
-                    (settings.get(ServiceSettings.ACCESS_CONTROL_PACKAGES) + packageName).toList()
-                } else emptyList()
+                    (settings.get(ServiceSettings.ACCESS_CONTROL_PACKAGES) + packageName)
+                } else emptySet()
             }
-        override val disallowApplication: List<String>
+        override val disallowApplication: Collection<String>
             get() {
                 return if (settings.get(ServiceSettings.ACCESS_CONTROL_MODE) == ServiceSettings.ACCESS_CONTROL_MODE_BLACKLIST) {
-                    (settings.get(ServiceSettings.ACCESS_CONTROL_PACKAGES) - packageName).toList()
-                } else emptyList()
+                    (settings.get(ServiceSettings.ACCESS_CONTROL_PACKAGES) - packageName)
+                } else emptySet()
             }
 
         override fun onCreateTunFailure() {
diff --git a/service/src/main/java/com/github/kr328/clash/service/clash/module/TunModule.kt b/service/src/main/java/com/github/kr328/clash/service/clash/module/TunModule.kt
index 0c9003c..9a9004f 100644
--- a/service/src/main/java/com/github/kr328/clash/service/clash/module/TunModule.kt
+++ b/service/src/main/java/com/github/kr328/clash/service/clash/module/TunModule.kt
@@ -1,7 +1,6 @@
 package com.github.kr328.clash.service.clash.module
 
 import android.app.PendingIntent
-import android.content.Intent
 import android.net.VpnService
 import android.os.Build
 import com.github.kr328.clash.common.Global
@@ -20,8 +19,8 @@ class TunModule(private val service: VpnService) : Module() {
         val route: List<String>
         val dnsAddress: String
         val dnsHijacking: Boolean
-        val allowApplications: List<String>
-        val disallowApplication: List<String>
+        val allowApplications: Collection<String>
+        val disallowApplication: Collection<String>
 
         fun onCreateTunFailure()
     }