fix: decrease mtu

design/src/main/java/com/github/kr328/clash/design/MetaFeatureSettingsDesign.kt

@@ -198,7 +198,7 @@ class MetaFeatureSettingsDesign(
             )
 
             sniffer.listener?.onChanged()
-
+            /*
             category(R.string.geox_url_setting)
 
             val geoxurlDependencies: MutableList<Preference> = mutableListOf()
@@ -228,7 +228,7 @@ class MetaFeatureSettingsDesign(
                 placeholder = R.string.dont_modify,
                 empty = R.string.geosite_url,
                 configure = geoxurlDependencies::add,
-            )
+            ) */
         }
 
         binding.content.addView(screen.root)

service/src/main/java/com/github/kr328/clash/service/TunService.kt

@@ -217,7 +217,7 @@ class TunService : VpnService(), CoroutineScope by CoroutineScope(Dispatchers.De
     }
 
     companion object {
-        private const val TUN_MTU = 65535
+        private const val TUN_MTU = 9000
         private const val TUN_SUBNET_PREFIX = 30
         private const val TUN_GATEWAY = "172.19.0.1"
         private const val TUN_PORTAL = "172.19.0.2"