opt.

lib/data/model/server/server.dart

@@ -12,11 +12,22 @@ class Server {
 }
 
 enum ServerState {
+  failed,
   disconnected,
   connecting,
-  connected,
-  failed;
 
-  bool get shouldConnect =>
-      this == ServerState.disconnected || this == ServerState.failed;
+  /// Connected to server
+  connected,
+
+  /// Status parsing
+  loading,
+
+  /// Status parsing finished
+  finished;
+
+  bool get shouldConnect => this < ServerState.connecting;
+
+  bool get canViewDetails => this == ServerState.finished;
+
+  operator <(ServerState other) => index < other.index;
 }

lib/data/model/server/try_limiter.dart

@@ -4,7 +4,7 @@ import '../../store/setting.dart';
 class TryLimiter {
   final Map<String, int> _triedTimes = {};
 
-  bool shouldTry(String id) {
+  bool canTry(String id) {
     final maxCount = locator<SettingStore>().maxRetryCount.fetch()!;
     if (maxCount <= 0) {
       return true;
@@ -13,10 +13,13 @@ class TryLimiter {
     if (times >= maxCount) {
       return false;
     }
-    _triedTimes[id] = times + 1;
     return true;
   }
 
+  void inc(String sid) {
+    _triedTimes[sid] = (_triedTimes[sid] ?? 0) + 1;
+  }
+
   void reset(String id) {
     _triedTimes[id] = 0;
   }