diff --git a/app/src/main/java/io/nekohasekai/sagernet/ui/LogcatFragment.kt b/app/src/main/java/io/nekohasekai/sagernet/ui/LogcatFragment.kt
index bb4a082..2f276ee 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/ui/LogcatFragment.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/ui/LogcatFragment.kt
@@ -75,13 +75,7 @@ class LogcatFragment : ToolbarFragment(R.layout.layout_logcat),
             offset += line.length + 1
         }
         binding.textview.text = span
-
-        // 阻止自动滚动/焦点干扰
-        binding.scroolview.descendantFocusability = ViewGroup.FOCUS_BLOCK_DESCENDANTS
-        binding.textview.isFocusable = false
-        binding.textview.isFocusableInTouchMode = false
         binding.textview.clearFocus()
-
         // 等 textview 完成最终 layout 再滚动到底部
         binding.textview.doOnLayout {
             binding.scroolview.scrollTo(0, binding.textview.height)
diff --git a/app/src/main/java/io/nekohasekai/sagernet/ui/profile/ConfigEditActivity.kt b/app/src/main/java/io/nekohasekai/sagernet/ui/profile/ConfigEditActivity.kt
index ac8f046..e144a26 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/ui/profile/ConfigEditActivity.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/ui/profile/ConfigEditActivity.kt
@@ -86,7 +86,10 @@ class ConfigEditActivity : ThemedActivity() {
         }
 
         binding.actionTab.setOnClickListener {
-            binding.editor.insert(binding.editor.tab())
+            try {
+                binding.editor.insert(binding.editor.tab())
+            } catch (e: Exception) {
+            }
         }
         binding.actionUndo.setOnClickListener {
             try {
@@ -107,7 +110,12 @@ class ConfigEditActivity : ThemedActivity() {
         }
 
         val extendedKeyboard = findViewById<ExtendedKeyboard>(R.id.extended_keyboard)
-        extendedKeyboard.setKeyListener { char -> binding.editor.insert(char) }
+        extendedKeyboard.setKeyListener { char ->
+            try {
+                binding.editor.insert(char)
+            } catch (e: Exception) {
+            }
+        }
         extendedKeyboard.setHasFixedSize(true)
         extendedKeyboard.submitList("{},:_\"".map { it.toString() })
         extendedKeyboard.setBackgroundColor(getColorAttr(R.attr.primaryOrTextPrimary))
diff --git a/nb4a.properties b/nb4a.properties
index 89fdda5..799dff4 100644
--- a/nb4a.properties
+++ b/nb4a.properties
@@ -1,4 +1,4 @@
 PACKAGE_NAME=moe.nb4a
 VERSION_NAME=1.3.9
-PRE_VERSION_NAME=pre-1.4.0-20250906-1
+PRE_VERSION_NAME=pre-1.4.0-20250906-2
 VERSION_CODE=43