diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 0bfe2ca..c0080cb 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -4,7 +4,7 @@ slf4j = "2.0.17"
 pty4j = "0.13.3"
 tinylog = "2.7.0"
 kotlinx-coroutines = "1.10.2"
-flatlaf = "3.5.4"
+flatlaf = "3.6"
 kotlinx-serialization-json = "1.8.1"
 commons-codec = "1.18.0"
 commons-lang3 = "3.17.0"
diff --git a/src/main/java/app/termora/CombinedKeyIdentityProvider.java b/src/main/java/app/termora/CombinedKeyIdentityProvider.java
index 864d8f1..3711469 100644
--- a/src/main/java/app/termora/CombinedKeyIdentityProvider.java
+++ b/src/main/java/app/termora/CombinedKeyIdentityProvider.java
@@ -8,6 +8,7 @@ import java.security.GeneralSecurityException;
 import java.security.KeyPair;
 import java.util.*;
 
+@Deprecated
 public class CombinedKeyIdentityProvider implements KeyIdentityProvider {
 
     private final List<KeyIdentityProvider> providers = new ArrayList<>();
diff --git a/src/main/java/app/termora/MyFlatTabbedPaneUI.java b/src/main/java/app/termora/MyFlatTabbedPaneUI.java
index 8401821..f3b4b6e 100644
--- a/src/main/java/app/termora/MyFlatTabbedPaneUI.java
+++ b/src/main/java/app/termora/MyFlatTabbedPaneUI.java
@@ -14,6 +14,7 @@ import static com.formdev.flatlaf.util.UIScale.scale;
 /**
  * 如果要升级 FlatLaf 需要检查是否兼容
  */
+@Deprecated
 public class MyFlatTabbedPaneUI extends FlatTabbedPaneUI {
     @Override
     protected void paintContentBorder(Graphics g, int tabPlacement, int selectedIndex) {
diff --git a/src/main/kotlin/app/termora/MyTabbedPane.kt b/src/main/kotlin/app/termora/MyTabbedPane.kt
index 872d8d2..89bb763 100644
--- a/src/main/kotlin/app/termora/MyTabbedPane.kt
+++ b/src/main/kotlin/app/termora/MyTabbedPane.kt
@@ -9,7 +9,6 @@ import java.awt.event.*
 import java.awt.image.BufferedImage
 import java.util.*
 import javax.swing.*
-import javax.swing.plaf.TabbedPaneUI
 import kotlin.math.abs
 
 class MyTabbedPane : FlatTabbedPane() {
@@ -21,18 +20,12 @@ class MyTabbedPane : FlatTabbedPane() {
     private val owner
         get() = AnActionEvent(this, StringUtils.EMPTY, EventObject(this))
             .getData(DataProviders.TermoraFrame) as TermoraFrame
-    private val myUI = MyFlatTabbedPaneUI()
 
     init {
         isFocusable = false
-        super.setUI(myUI)
         initEvents()
     }
 
-    override fun setUI(ui: TabbedPaneUI?) {
-        super.setUI(myUI)
-    }
-
     override fun updateUI() {
         styleMap = mapOf(
             "focusColor" to UIManager.getColor("TabbedPane.selectedBackground"),