diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainActivity.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainActivity.kt
index 27ef9399..79ba23cb 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainActivity.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainActivity.kt
@@ -70,7 +70,7 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
         binding.fab.setOnClickListener {
             if (mainViewModel.isRunning.value == true) {
                 Utils.stopVService(this)
-            } else if (settingsStorage?.decodeString(AppConfig.PREF_MODE) ?: "VPN" == "VPN") {
+            } else if ((settingsStorage?.decodeString(AppConfig.PREF_MODE) ?: "VPN") == "VPN") {
                 val intent = VpnService.prepare(this)
                 if (intent == null) {
                     startV2Ray()