diff --git a/winboll/build.gradle b/winboll/build.gradle
index 04e374a..46828ad 100644
--- a/winboll/build.gradle
+++ b/winboll/build.gradle
@@ -24,7 +24,7 @@ android {
 	
     defaultConfig {
         applicationId "cc.winboll.studio.winboll"
-	    minSdkVersion 23
+        minSdkVersion 26
 		// 适配MIUI12
         targetSdkVersion 30
         versionCode 1
diff --git a/winboll/build.properties b/winboll/build.properties
index 0aae9e2..c7c8cc1 100644
--- a/winboll/build.properties
+++ b/winboll/build.properties
@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Wed May 06 11:22:14 CST 2026
+#Wed May 06 13:39:52 CST 2026
 stageCount=27
 libraryProject=
 baseVersion=15.11
 publishVersion=15.11.26
-buildCount=20
+buildCount=22
 baseBetaVersion=15.11.27
diff --git a/winboll/src/main/java/cc/winboll/studio/winboll/activities/PatternLockActivity.java b/winboll/src/main/java/cc/winboll/studio/winboll/activities/PatternLockActivity.java
index 2cd527b..6581c20 100644
--- a/winboll/src/main/java/cc/winboll/studio/winboll/activities/PatternLockActivity.java
+++ b/winboll/src/main/java/cc/winboll/studio/winboll/activities/PatternLockActivity.java
@@ -65,7 +65,12 @@ public class PatternLockActivity extends BaseWinBoLLActivity {
         setSupportActionBar(toolbar);
         getSupportActionBar().setSubtitle(TAG);
         getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-        toolbar.setNavigationOnClickListener(v -> finish());
+        toolbar.setNavigationOnClickListener(new android.view.View.OnClickListener() {
+            @Override
+            public void onClick(android.view.View v) {
+                finish();
+            }
+        });
 
         mContainer = findViewById(R.id.container);
         mPatternView = new PatternView(this);
@@ -111,12 +116,15 @@ public class PatternLockActivity extends BaseWinBoLLActivity {
     private void showErrorState() {
         mIsInErrorState = true;
         invalidatePattern();
-        mHandler.postDelayed(() -> {
-            mIsInErrorState = false;
-            SharedPreferences prefs = getSharedPreferences(PREFS_NAME, MODE_PRIVATE);
-            prefs.edit().putBoolean(KEY_ERROR_STATE, false).apply();
-            invalidatePattern();
-            if (mPatternView != null) mPatternView.invalidate();
+        mHandler.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                mIsInErrorState = false;
+                SharedPreferences prefs = getSharedPreferences(PREFS_NAME, MODE_PRIVATE);
+                prefs.edit().putBoolean(KEY_ERROR_STATE, false).apply();
+                invalidatePattern();
+                if (mPatternView != null) mPatternView.invalidate();
+            }
         }, PATTERN_ERROR_DURATION);
     }
 
@@ -138,7 +146,12 @@ public class PatternLockActivity extends BaseWinBoLLActivity {
         android.app.AlertDialog alertDialog = new android.app.AlertDialog.Builder(this)
             .setTitle("设置成功")
             .setMessage("图案密码已设置成功")
-            .setPositiveButton("确定", (dialog, which) -> finish())
+            .setPositiveButton("确定", new android.content.DialogInterface.OnClickListener() {
+                @Override
+                public void onClick(android.content.DialogInterface dialog, int which) {
+                    finish();
+                }
+            })
             .setCancelable(false)
             .create();
         alertDialog.show();