diff --git a/lib/hiddifycore/core_interface/core_interface_mobile.dart b/lib/hiddifycore/core_interface/core_interface_mobile.dart
index b38d65a6..91e02da6 100644
--- a/lib/hiddifycore/core_interface/core_interface_mobile.dart
+++ b/lib/hiddifycore/core_interface/core_interface_mobile.dart
@@ -114,24 +114,29 @@ class CoreInterfaceMobile extends CoreInterface with InfraLogger {
     });
 
     _isBgClientAvailable = true;
-    for (var i = 0; i < 200; i++) {
+    loggy.info("Waiting for starting core");
+    for (var i = 0; i < 20; i++) {
       try {
-        final res = await _status.get(timeout: const Duration(milliseconds: 100));
+        final res = await _status.get(timeout: const Duration(seconds: 1));
 
         switch (res) {
           case CoreStarted():
             break;
           case CoreStopped():
-            if (res.alert != null) return res;
+            if (res.alert != null) {
+              return res;
+            }
 
           case CoreStopping():
           // return res;
           case CoreStarting():
         }
+        await Future.delayed(const Duration(milliseconds: 200));
       } on TimeoutException {
         // just retry
       }
     }
+    loggy.info("Waiting for starting core finished");
 
     if (!await waitUntilPort(portBack, true, null, maxTry: 10)) {
       await stopMethodChannel();
diff --git a/lib/singbox/model/core_status.dart b/lib/singbox/model/core_status.dart
index 837956a0..a5deec2e 100644
--- a/lib/singbox/model/core_status.dart
+++ b/lib/singbox/model/core_status.dart
@@ -19,8 +19,12 @@ sealed class CoreStatus with _$CoreStatus {
     switch (event?["status"]) {
       case "Stopped":
         final alertstr = event?["alert"] as String?;
-        final alert = CoreAlert.values.firstOrNullWhere((e) => alertstr?.toLowerCase() == e.name.toLowerCase());
-        final msgStr = event?["message"] as String?;
+        var msgStr = event?["message"] as String?;
+        var alert = CoreAlert.values.firstOrNullWhere((e) => alertstr?.toLowerCase() == e.name.toLowerCase());
+        if ((alert == null) && (alertstr ?? "") != "") {
+          msgStr = ((msgStr ?? "") != "") ? "$alertstr: $msgStr" : alertstr;
+          alert = CoreAlert.unknown;
+        }
         return CoreStatus.stopped(alert: alert, message: msgStr);
 
       case "Starting":
@@ -100,4 +104,5 @@ enum CoreAlert {
   startService,
   alreadyStarted,
   startFailed,
+  unknown,
 }