diff --git a/core/common.go b/core/common.go
index 058ae78..7a68c48 100644
--- a/core/common.go
+++ b/core/common.go
@@ -325,11 +325,14 @@ func overwriteConfig(targetConfig *config.RawConfig, patchConfig config.RawConfi
 	targetConfig.ExternalUI = ""
 	targetConfig.Interface = ""
 	targetConfig.ExternalUIURL = ""
+	targetConfig.GeodataMode = false
 	//targetConfig.IPv6 = patchConfig.IPv6
 	targetConfig.LogLevel = patchConfig.LogLevel
+	targetConfig.Port = 0
+	targetConfig.SocksPort = 0
+	targetConfig.MixedPort = patchConfig.MixedPort
 	targetConfig.FindProcessMode = process.FindProcessAlways
 	targetConfig.AllowLan = patchConfig.AllowLan
-	targetConfig.MixedPort = patchConfig.MixedPort
 	targetConfig.Mode = patchConfig.Mode
 	targetConfig.Tun.Enable = patchConfig.Tun.Enable
 	targetConfig.Tun.Device = patchConfig.Tun.Device
diff --git a/core/hub.go b/core/hub.go
index 913af81..d1bd84b 100644
--- a/core/hub.go
+++ b/core/hub.go
@@ -65,12 +65,7 @@ func validateConfig(s *C.char, port C.longlong) {
 	i := int64(port)
 	go func() {
 		bytes := []byte(C.GoString(s))
-		rawConfig, err := config.UnmarshalRawConfig(bytes)
-		if err != nil {
-			bridge.SendToPort(i, err.Error())
-			return
-		}
-		_, err = config.ParseRawConfig(rawConfig)
+		_, err := config.UnmarshalRawConfig(bytes)
 		if err != nil {
 			bridge.SendToPort(i, err.Error())
 			return
diff --git a/lib/controller.dart b/lib/controller.dart
index e65bf4c..9a8bf73 100644
--- a/lib/controller.dart
+++ b/lib/controller.dart
@@ -101,7 +101,9 @@ class AppController {
   updateProfile(String id) async {
     final profile = config.getCurrentProfileForId(id);
     if (profile != null) {
-      await profile.update();
+      final tempProfile = profile.copyWith();
+      await tempProfile.update();
+      config.setProfile(tempProfile);
     }
   }
 
diff --git a/lib/fragments/profiles/edit_profile.dart b/lib/fragments/profiles/edit_profile.dart
index 44ca1b1..8d92d0a 100644
--- a/lib/fragments/profiles/edit_profile.dart
+++ b/lib/fragments/profiles/edit_profile.dart
@@ -40,7 +40,7 @@ class _EditProfileState extends State<EditProfile> {
   _handleConfirm() {
     if (!_formKey.currentState!.validate()) return;
     final config = widget.context.read<Config>();
-    final hasUpdate = widget.profile.url != urlController.text;
+    final hasUpdate = urlController.text.isNotEmpty && widget.profile.url != urlController.text;
     widget.profile.url = urlController.text;
     widget.profile.label = labelController.text;
     widget.profile.autoUpdate = autoUpdate;
@@ -82,7 +82,7 @@ class _EditProfileState extends State<EditProfile> {
           },
         ),
       ),
-      if (widget.profile.url != null)...[
+      if (widget.profile.url != null && widget.profile.url!.isNotEmpty == true)...[
         ListItem(
           title: TextFormField(
             controller: urlController,
diff --git a/lib/fragments/profiles/profiles.dart b/lib/fragments/profiles/profiles.dart
index f833d03..a5054fc 100644
--- a/lib/fragments/profiles/profiles.dart
+++ b/lib/fragments/profiles/profiles.dart
@@ -139,9 +139,10 @@ class _ProfilesFragmentState extends State<ProfilesFragment> {
       ),
       child: Selector2<AppState, Config, ProfilesSelectorState>(
         selector: (_, appState, config) => ProfilesSelectorState(
-            profiles: config.profiles,
-            currentProfileId: config.currentProfileId,
-            viewMode: appState.viewMode),
+          profiles: config.profiles,
+          currentProfileId: config.currentProfileId,
+          viewMode: appState.viewMode,
+        ),
         builder: (context, state, child) {
           if (state.profiles.isEmpty) {
             return NullStatus(
diff --git a/lib/models/profile.dart b/lib/models/profile.dart
index 0af023b..15ccb26 100644
--- a/lib/models/profile.dart
+++ b/lib/models/profile.dart
@@ -95,9 +95,6 @@ class Profile {
   }
 
   Future<void> update() async {
-    if (url == null) {
-      throw appLocalizations.unableToUpdateCurrentProfileDesc;
-    }
     final response = await request.getFileResponseForUrl(url!);
     final disposition = response.headers.value("content-disposition");
     label ??= other.getFileNameForDisposition(disposition) ?? id;
diff --git a/pubspec.yaml b/pubspec.yaml
index b94fd1d..84b0a14 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,7 +1,7 @@
 name: fl_clash
 description: A multi-platform proxy client based on ClashMeta, simple and easy to use, open-source and ad-free.
 publish_to: 'none'
-version: 0.8.11
+version: 0.8.12
 environment:
   sdk: '>=3.1.0 <4.0.0'