diff --git a/doric-android/devkit/src/main/java/pub/doric/devkit/ui/DoricDevActivity.java b/doric-android/devkit/src/main/java/pub/doric/devkit/ui/DoricDevActivity.java
index cd5f2ead..7191194b 100644
--- a/doric-android/devkit/src/main/java/pub/doric/devkit/ui/DoricDevActivity.java
+++ b/doric-android/devkit/src/main/java/pub/doric/devkit/ui/DoricDevActivity.java
@@ -171,35 +171,31 @@ public class DoricDevActivity extends AppCompatActivity implements DoricDev.Stat
         tvInput.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View clickView) {
-                if (DoricDev.getInstance().isRunningInEmulator) {
-                    DoricDev.getInstance().connectDevKit("ws://" + "10.0.2.2" + ":7777");
-                } else {
-                    AlertDialog.Builder builder = new AlertDialog.Builder(DoricDevActivity.this, R.style.Theme_Doric_Modal_Prompt);
-                    builder.setTitle("Please input devkit ip");
-                    View v = LayoutInflater.from(DoricDevActivity.this).inflate(R.layout.doric_modal_prompt, null);
-                    final EditText editText = v.findViewById(R.id.edit_input);
-                    editText.setHint("192.168.1.1");
-                    String ip = DoricDev.getInstance().getIP();
-                    if (!TextUtils.isEmpty(ip)) {
-                        editText.setText(ip);
-                        editText.setSelection(ip.length());
-                    }
-                    builder.setView(v);
-                    builder
-                            .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
-                                @Override
-                                public void onClick(DialogInterface dialog, int which) {
-                                    String ip = editText.getText().toString();
-                                    DoricDev.getInstance().connectDevKit("ws://" + ip + ":7777");
-                                }
-                            })
-                            .setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
-                                @Override
-                                public void onClick(DialogInterface dialog, int which) {
-                                }
-                            });
-                    builder.show();
+                AlertDialog.Builder builder = new AlertDialog.Builder(DoricDevActivity.this, R.style.Theme_Doric_Modal_Prompt);
+                builder.setTitle("Please input devkit ip");
+                View v = LayoutInflater.from(DoricDevActivity.this).inflate(R.layout.doric_modal_prompt, null);
+                final EditText editText = v.findViewById(R.id.edit_input);
+                editText.setHint("192.168.1.1");
+                String ip = DoricDev.getInstance().getIP();
+                if (!TextUtils.isEmpty(ip)) {
+                    editText.setText(ip);
+                    editText.setSelection(ip.length());
                 }
+                builder.setView(v);
+                builder
+                        .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
+                            @Override
+                            public void onClick(DialogInterface dialog, int which) {
+                                String ip = editText.getText().toString();
+                                DoricDev.getInstance().connectDevKit("ws://" + ip + ":7777");
+                            }
+                        })
+                        .setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
+                            @Override
+                            public void onClick(DialogInterface dialog, int which) {
+                            }
+                        });
+                builder.show();
             }
         });
         tvDisconnect.setOnClickListener(new View.OnClickListener() {
diff --git a/doric-iOS/Devkit/Classes/DoricDevViewController.m b/doric-iOS/Devkit/Classes/DoricDevViewController.m
index ec1f9531..1f06a76f 100644
--- a/doric-iOS/Devkit/Classes/DoricDevViewController.m
+++ b/doric-iOS/Devkit/Classes/DoricDevViewController.m
@@ -302,38 +302,32 @@ - (void)disconnect {
 }
 
 - (void)input {
-    if (self.isSimulator) {
-        NSString *result = @"127.0.0.1";
-        [[DoricDev instance] connectDevKit:[NSString stringWithFormat:@"ws://%@:7777", result]];
-        ShowToast([NSString stringWithFormat:@"Connecting to %@", result], DoricGravityBottom);
-    } else {
-        UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"Please input devkit ip"
-                                                                       message:@""
-                                                                preferredStyle:UIAlertControllerStyleAlert];
-        [alert addTextFieldWithConfigurationHandler:^(UITextField *_Nonnull textField) {
-            textField.placeholder = @"192.168.1.1";
-            if (DoricDev.instance.ip) {
-                textField.text = DoricDev.instance.ip;
-            }
-        }];
-        __weak typeof(alert) _alert = alert;
+    UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"Please input devkit ip"
+                                                                   message:@""
+                                                            preferredStyle:UIAlertControllerStyleAlert];
+    [alert addTextFieldWithConfigurationHandler:^(UITextField *_Nonnull textField) {
+        textField.placeholder = @"192.168.1.1";
+        if (DoricDev.instance.ip) {
+            textField.text = DoricDev.instance.ip;
+        }
+    }];
+    __weak typeof(alert) _alert = alert;
 
-        UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"Cancel", nil)
-                                                               style:UIAlertActionStyleDefault
-                                                             handler:nil];
-        [alert addAction:cancelAction];
-
-        UIAlertAction *okAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"Ok", nil)
+    UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"Cancel", nil)
                                                            style:UIAlertActionStyleDefault
-                                                         handler:^(UIAlertAction *action) {
-                                                             __strong typeof(_alert) alert = _alert;
-                                                             NSString *ip = alert.textFields.lastObject.text;
-                                                             [[DoricDev instance] connectDevKit:[NSString stringWithFormat:@"ws://%@:7777", ip]];
-                                                         }];
-        [alert addAction:okAction];
+                                                         handler:nil];
+    [alert addAction:cancelAction];
 
-        [self presentViewController:alert animated:YES completion:nil];
-    }
+    UIAlertAction *okAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"Ok", nil)
+                                                       style:UIAlertActionStyleDefault
+                                                     handler:^(UIAlertAction *action) {
+                                                         __strong typeof(_alert) alert = _alert;
+                                                         NSString *ip = alert.textFields.lastObject.text;
+                                                         [[DoricDev instance] connectDevKit:[NSString stringWithFormat:@"ws://%@:7777", ip]];
+                                                     }];
+    [alert addAction:okAction];
+
+    [self presentViewController:alert animated:YES completion:nil];
 }
 
 - (void)scan {