diff --git a/lib/data/model/app/backup.dart b/lib/data/model/app/backup.dart
index f828a8334..623534ce1 100644
--- a/lib/data/model/app/backup.dart
+++ b/lib/data/model/app/backup.dart
@@ -7,7 +7,6 @@ import 'package:logging/logging.dart';
 import 'package:server_box/data/model/server/private_key_info.dart';
 import 'package:server_box/data/model/server/server_private_info.dart';
 import 'package:server_box/data/model/server/snippet.dart';
-import 'package:server_box/data/provider/base.dart';
 import 'package:server_box/data/res/misc.dart';
 import 'package:server_box/data/res/rebuild.dart';
 import 'package:server_box/data/res/store.dart';
diff --git a/lib/data/provider/base.dart b/lib/data/provider/base.dart
deleted file mode 100644
index 05116018f..000000000
--- a/lib/data/provider/base.dart
+++ /dev/null
@@ -1,20 +0,0 @@
-import 'dart:async';
-
-import 'package:flutter/foundation.dart';
-
-abstract class Provider<T> {
-  const Provider();
-
-  /// (Re)Load data from store / network / etc.
-  @mustCallSuper
-  FutureOr<void> load() {
-    all.add(this);
-    debugPrint('$runtimeType added');
-  }
-
-  static final all = <Provider>[];
-
-  static Future<void> reload() {
-    return Future.wait(all.map((e) async => await e.load()));
-  }
-}
diff --git a/lib/data/provider/private_key.dart b/lib/data/provider/private_key.dart
index 58ca691c1..3015c063a 100644
--- a/lib/data/provider/private_key.dart
+++ b/lib/data/provider/private_key.dart
@@ -1,6 +1,5 @@
 import 'package:fl_lib/fl_lib.dart';
 import 'package:server_box/data/model/server/private_key_info.dart';
-import 'package:server_box/data/provider/base.dart';
 import 'package:server_box/data/res/store.dart';
 
 class PrivateKeyProvider extends Provider {
@@ -31,10 +30,12 @@ class PrivateKeyProvider extends Provider {
     final idx = pkis.value.indexWhere((e) => e.id == old.id);
     if (idx == -1) {
       pkis.value.add(newInfo);
+      Stores.key.put(newInfo);
+      Stores.key.delete(old);
     } else {
       pkis.value[idx] = newInfo;
+      Stores.key.put(newInfo);
     }
     pkis.notify();
-    Stores.key.put(newInfo);
   }
 }
diff --git a/lib/data/provider/server.dart b/lib/data/provider/server.dart
index acdfbfed8..9c4c2775a 100644
--- a/lib/data/provider/server.dart
+++ b/lib/data/provider/server.dart
@@ -9,9 +9,6 @@ import 'package:server_box/core/utils/ssh_auth.dart';
 import 'package:server_box/data/model/app/error.dart';
 import 'package:server_box/data/model/app/shell_func.dart';
 import 'package:server_box/data/model/server/system.dart';
-import 'package:server_box/data/provider/base.dart';
-// import 'package:server_box/data/model/sftp/req.dart';
-// import 'package:server_box/data/res/provider.dart';
 import 'package:server_box/data/res/store.dart';
 
 import 'package:server_box/core/utils/server.dart';
diff --git a/lib/data/provider/sftp.dart b/lib/data/provider/sftp.dart
index 7f6f4ce51..8943289b3 100644
--- a/lib/data/provider/sftp.dart
+++ b/lib/data/provider/sftp.dart
@@ -2,7 +2,6 @@ import 'dart:async';
 
 import 'package:fl_lib/fl_lib.dart';
 import 'package:server_box/data/model/sftp/worker.dart';
-import 'package:server_box/data/provider/base.dart';
 
 class SftpProvider extends Provider {
   const SftpProvider._();
diff --git a/lib/data/provider/snippet.dart b/lib/data/provider/snippet.dart
index a4c49019b..373805c37 100644
--- a/lib/data/provider/snippet.dart
+++ b/lib/data/provider/snippet.dart
@@ -1,6 +1,5 @@
 import 'package:fl_lib/fl_lib.dart';
 import 'package:server_box/data/model/server/snippet.dart';
-import 'package:server_box/data/provider/base.dart';
 import 'package:server_box/data/res/store.dart';
 
 class SnippetProvider extends Provider {
diff --git a/lib/view/page/private_key/edit.dart b/lib/view/page/private_key/edit.dart
index 1bce62a5d..a29180851 100644
--- a/lib/view/page/private_key/edit.dart
+++ b/lib/view/page/private_key/edit.dart
@@ -203,8 +203,9 @@ class _PrivateKeyEditPageState extends State<PrivateKeyEditPage> {
     try {
       final decrypted = await Computer.shared.start(decyptPem, [key, pwd]);
       final pki = PrivateKeyInfo(id: name, key: decrypted);
-      if (widget.pki != null) {
-        PrivateKeyProvider.update(widget.pki!, pki);
+      final originPki = widget.pki;
+      if (originPki != null) {
+        PrivateKeyProvider.update(originPki, pki);
       } else {
         PrivateKeyProvider.add(pki);
       }
diff --git a/pubspec.lock b/pubspec.lock
index f572e12c6..f64f8395d 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -389,9 +389,11 @@ packages:
   fl_lib:
     dependency: "direct main"
     description:
-      path: "../fl_lib"
-      relative: true
-    source: path
+      path: "."
+      ref: "v1.0.141"
+      resolved-ref: "2fb1532cd2fd08dd807e9776b2b50b5d8ee94388"
+      url: "https://github.com/lppcg/fl_lib"
+    source: git
     version: "0.0.1"
   flutter:
     dependency: "direct main"
diff --git a/pubspec.yaml b/pubspec.yaml
index 0ddd8b86f..44c884663 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -60,7 +60,7 @@ dependencies:
   fl_lib:
     git:
       url: https://github.com/lppcg/fl_lib
-      ref: v1.0.140
+      ref: v1.0.141
 
 dependency_overrides:
   # dartssh2: