diff --git a/app/src/main/java/com/paulcoding/hviewer/MainApp.kt b/app/src/main/java/com/paulcoding/hviewer/MainApp.kt
index be392d6..495f3d4 100644
--- a/app/src/main/java/com/paulcoding/hviewer/MainApp.kt
+++ b/app/src/main/java/com/paulcoding/hviewer/MainApp.kt
@@ -2,11 +2,13 @@ package com.paulcoding.hviewer
 
 import android.app.Application
 import android.content.Context
+import com.paulcoding.hviewer.helper.CrashHandler
 import com.paulcoding.hviewer.helper.setupPaths
 import com.tencent.mmkv.MMKV
 
 class MainApp : Application() {
     override fun onCreate() {
+        CrashHandler.install()
         super.onCreate()
         appContext = this
         MMKV.initialize(this)
diff --git a/app/src/main/java/com/paulcoding/hviewer/helper/CrashHandler.kt b/app/src/main/java/com/paulcoding/hviewer/helper/CrashHandler.kt
new file mode 100644
index 0000000..fc3bb87
--- /dev/null
+++ b/app/src/main/java/com/paulcoding/hviewer/helper/CrashHandler.kt
@@ -0,0 +1,42 @@
+package com.paulcoding.hviewer.helper
+
+import com.paulcoding.hviewer.MainApp.Companion.appContext
+import java.io.File
+import java.io.PrintWriter
+
+// Reference: https://github.com/FooIbar/EhViewer/blob/main/app/src/main/kotlin/com/hippo/ehviewer/util/CrashHandler.kt
+object CrashHandler {
+    fun install() {
+        val handler = Thread.getDefaultUncaughtExceptionHandler()
+        Thread.setDefaultUncaughtExceptionHandler { t, e ->
+            runCatching { saveCrashLog(e) }
+            handler?.uncaughtException(t, e)
+        }
+    }
+
+    private fun getThrowableInfo(t: Throwable, writer: PrintWriter) {
+        t.printStackTrace(writer)
+        var cause = t.cause
+        while (cause != null) {
+            cause.printStackTrace(writer)
+            cause = cause.cause
+        }
+    }
+
+    private fun saveCrashLog(e: Throwable) {
+        val nowString = System.currentTimeMillis()
+        val fileName = "crash-$nowString.log"
+        val file = File(appContext.crashLogDir, fileName)
+
+        runCatching {
+            file.printWriter().use { writer ->
+                writer.write("======== CrashInfo ========\n")
+                getThrowableInfo(e, writer)
+                writer.write("\n")
+            }
+        }.onFailure {
+            log(it)
+            file.delete()
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/paulcoding/hviewer/helper/File.kt b/app/src/main/java/com/paulcoding/hviewer/helper/File.kt
index c7d2ce7..2f5bffe 100644
--- a/app/src/main/java/com/paulcoding/hviewer/helper/File.kt
+++ b/app/src/main/java/com/paulcoding/hviewer/helper/File.kt
@@ -7,28 +7,33 @@ import java.io.File
 import java.io.FileOutputStream
 
 const val SCRIPTS_DIR = "scripts"
+const val CRASH_LOG_DIR = "crash_logs"
 const val CONFIG_FILE = "config.json"
 
 val Context.scriptsDir
     get() = File(filesDir, SCRIPTS_DIR)
 
+val Context.crashLogDir
+    get() = File(filesDir, CRASH_LOG_DIR)
+
 val Context.configFile
     get() = File(scriptsDir, CONFIG_FILE)
 
 fun Context.setupPaths() {
     scriptsDir.mkdir()
+    crashLogDir.mkdir()
 }
 
-fun Context.writeFile(data: String, fileName: String): File {
-    val file = File(scriptsDir, fileName)
+fun Context.writeFile(data: String, fileName: String, fileDir: File = scriptsDir): File {
+    val file = File(fileDir, fileName)
     FileOutputStream(file).use { fos ->
         fos.write(data.toByteArray())
     }
     return file
 }
 
-fun Context.readFile(fileName: String): String {
-    val file = File(scriptsDir, fileName)
+fun Context.readFile(fileName: String, fileDir: File = scriptsDir): String {
+    val file = File(fileDir, fileName)
 
     file.bufferedReader().use { reader ->
         return reader.readText()
diff --git a/app/src/main/java/com/paulcoding/hviewer/ui/icon/BugReport.kt b/app/src/main/java/com/paulcoding/hviewer/ui/icon/BugReport.kt
new file mode 100644
index 0000000..d04a86d
--- /dev/null
+++ b/app/src/main/java/com/paulcoding/hviewer/ui/icon/BugReport.kt
@@ -0,0 +1,104 @@
+package com.paulcoding.hviewer.ui.icon
+
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.PathFillType
+import androidx.compose.ui.graphics.SolidColor
+import androidx.compose.ui.graphics.StrokeCap
+import androidx.compose.ui.graphics.StrokeJoin
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.graphics.vector.path
+import androidx.compose.ui.unit.dp
+
+public val BugReport: ImageVector
+    get() {
+        if (_Bug_report != null) {
+            return _Bug_report!!
+        }
+        _Bug_report = ImageVector.Builder(
+            name = "Bug_report",
+            defaultWidth = 24.dp,
+            defaultHeight = 24.dp,
+            viewportWidth = 960f,
+            viewportHeight = 960f
+        ).apply {
+            path(
+                fill = SolidColor(Color.Black),
+                fillAlpha = 1.0f,
+                stroke = null,
+                strokeAlpha = 1.0f,
+                strokeLineWidth = 1.0f,
+                strokeLineCap = StrokeCap.Butt,
+                strokeLineJoin = StrokeJoin.Miter,
+                strokeLineMiter = 1.0f,
+                pathFillType = PathFillType.NonZero
+            ) {
+                moveTo(480f, 760f)
+                quadToRelative(66f, 0f, 113f, -47f)
+                reflectiveQuadToRelative(47f, -113f)
+                verticalLineToRelative(-160f)
+                quadToRelative(0f, -66f, -47f, -113f)
+                reflectiveQuadToRelative(-113f, -47f)
+                reflectiveQuadToRelative(-113f, 47f)
+                reflectiveQuadToRelative(-47f, 113f)
+                verticalLineToRelative(160f)
+                quadToRelative(0f, 66f, 47f, 113f)
+                reflectiveQuadToRelative(113f, 47f)
+                moveToRelative(-80f, -120f)
+                horizontalLineToRelative(160f)
+                verticalLineToRelative(-80f)
+                horizontalLineTo(400f)
+                close()
+                moveToRelative(0f, -160f)
+                horizontalLineToRelative(160f)
+                verticalLineToRelative(-80f)
+                horizontalLineTo(400f)
+                close()
+                moveToRelative(80f, 360f)
+                quadToRelative(-65f, 0f, -120.5f, -32f)
+                reflectiveQuadTo(272f, 720f)
+                horizontalLineTo(160f)
+                verticalLineToRelative(-80f)
+                horizontalLineToRelative(84f)
+                quadToRelative(-3f, -20f, -3.5f, -40f)
+                reflectiveQuadToRelative(-0.5f, -40f)
+                horizontalLineToRelative(-80f)
+                verticalLineToRelative(-80f)
+                horizontalLineToRelative(80f)
+                quadToRelative(0f, -20f, 0.5f, -40f)
+                reflectiveQuadToRelative(3.5f, -40f)
+                horizontalLineToRelative(-84f)
+                verticalLineToRelative(-80f)
+                horizontalLineToRelative(112f)
+                quadToRelative(14f, -23f, 31.5f, -43f)
+                reflectiveQuadToRelative(40.5f, -35f)
+                lineToRelative(-64f, -66f)
+                lineToRelative(56f, -56f)
+                lineToRelative(86f, 86f)
+                quadToRelative(28f, -9f, 57f, -9f)
+                reflectiveQuadToRelative(57f, 9f)
+                lineToRelative(88f, -86f)
+                lineToRelative(56f, 56f)
+                lineToRelative(-66f, 66f)
+                quadToRelative(23f, 15f, 41.5f, 34.5f)
+                reflectiveQuadTo(688f, 320f)
+                horizontalLineToRelative(112f)
+                verticalLineToRelative(80f)
+                horizontalLineToRelative(-84f)
+                quadToRelative(3f, 20f, 3.5f, 40f)
+                reflectiveQuadToRelative(0.5f, 40f)
+                horizontalLineToRelative(80f)
+                verticalLineToRelative(80f)
+                horizontalLineToRelative(-80f)
+                quadToRelative(0f, 20f, -0.5f, 40f)
+                reflectiveQuadToRelative(-3.5f, 40f)
+                horizontalLineToRelative(84f)
+                verticalLineToRelative(80f)
+                horizontalLineTo(688f)
+                quadToRelative(-32f, 56f, -87.5f, 88f)
+                reflectiveQuadTo(480f, 840f)
+            }
+        }.build()
+        return _Bug_report!!
+    }
+
+private var _Bug_report: ImageVector? = null
diff --git a/app/src/main/java/com/paulcoding/hviewer/ui/page/AppEntry.kt b/app/src/main/java/com/paulcoding/hviewer/ui/page/AppEntry.kt
index 4796227..5382c09 100644
--- a/app/src/main/java/com/paulcoding/hviewer/ui/page/AppEntry.kt
+++ b/app/src/main/java/com/paulcoding/hviewer/ui/page/AppEntry.kt
@@ -65,7 +65,10 @@ fun AppEntry() {
                     navController.navigate(Route.FAVORITE)
                 },
                 navToListScript = {
-                    navController.navigate(Route.LIST_SCRIPT)
+                    navController.navigate(Route.LIST_SCRIPT + "/script")
+                },
+                navToListCrashLog = {
+                    navController.navigate(Route.LIST_SCRIPT + "/crash_log")
                 },
                 goBack = { navController.popBackStack() })
         }
@@ -114,18 +117,24 @@ fun AppEntry() {
                 goBack = { navController.popBackStack() }
             )
         }
-        animatedComposable(Route.LIST_SCRIPT) {
+        animatedComposable(Route.LIST_SCRIPT + "/{type}") { backStackEntry ->
+            val type = backStackEntry.arguments?.getString("type")!!
+
             ListScriptPage(
                 appViewModel = appViewModel,
+                type = type,
                 goBack = { navController.popBackStack() },
                 navToEditor = {
-                    navController.navigate(Route.EDITOR + "/$it")
+                    navController.navigate(Route.EDITOR + "/$type" + "/$it")
                 })
         }
-        animatedComposable(Route.EDITOR + "/{scriptFile}") { backStackEntry ->
+        animatedComposable(Route.EDITOR + "/{type}" + "/{scriptFile}") { backStackEntry ->
+            val type = backStackEntry.arguments?.getString("type")!!
             val scriptFile = backStackEntry.arguments?.getString("scriptFile")!!
+
             EditorPage(
                 appViewModel = appViewModel,
+                type = type,
                 scriptFile = scriptFile,
                 goBack = { navController.popBackStack() })
         }
diff --git a/app/src/main/java/com/paulcoding/hviewer/ui/page/AppViewModel.kt b/app/src/main/java/com/paulcoding/hviewer/ui/page/AppViewModel.kt
index 2610eb6..2d13c6d 100644
--- a/app/src/main/java/com/paulcoding/hviewer/ui/page/AppViewModel.kt
+++ b/app/src/main/java/com/paulcoding/hviewer/ui/page/AppViewModel.kt
@@ -4,6 +4,7 @@ import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.paulcoding.hviewer.MainApp.Companion.appContext
 import com.paulcoding.hviewer.database.DatabaseProvider
+import com.paulcoding.hviewer.helper.crashLogDir
 import com.paulcoding.hviewer.helper.scriptsDir
 import com.paulcoding.hviewer.model.PostItem
 import com.paulcoding.hviewer.model.SiteConfig
@@ -14,9 +15,11 @@ import kotlinx.coroutines.launch
 import java.io.File
 
 class AppViewModel : ViewModel() {
-    private val scriptsDir = appContext.scriptsDir
     val listScriptFiles: List<File>
-        get() = scriptsDir.listFiles()?.toList() ?: listOf()
+        get() = appContext.scriptsDir.listFiles()?.toList() ?: listOf()
+
+    val listCrashLogFiles: List<File>
+        get() = appContext.crashLogDir.listFiles()?.toList() ?: listOf()
 
     private var _stateFlow = MutableStateFlow(UiState())
     val stateFlow = _stateFlow.asStateFlow()
diff --git a/app/src/main/java/com/paulcoding/hviewer/ui/page/editor/CodeEditor.kt b/app/src/main/java/com/paulcoding/hviewer/ui/page/editor/CodeEditor.kt
index 7ee1ab9..87d0bdd 100644
--- a/app/src/main/java/com/paulcoding/hviewer/ui/page/editor/CodeEditor.kt
+++ b/app/src/main/java/com/paulcoding/hviewer/ui/page/editor/CodeEditor.kt
@@ -14,9 +14,11 @@ import io.github.rosemoe.sora.widget.CodeEditor
 
 data class CodeEditorState(
     var editor: CodeEditor? = null,
-    val initialContent: Content = Content()
+    val initialContent: Content = Content(),
+    val isEditable: Boolean = true,
 ) {
     var content by mutableStateOf(initialContent)
+    var editable by mutableStateOf(isEditable)
 }
 
 private fun setCodeEditorFactory(
@@ -26,6 +28,7 @@ private fun setCodeEditorFactory(
     val editor = CodeEditor(context)
     editor.apply {
         setText(state.content)
+        editor.editable = state.editable
     }
     state.editor = editor
     return editor
@@ -54,9 +57,11 @@ fun CodeEditor(
 
 @Composable
 fun rememberCodeEditorState(
-    initialContent: Content = Content()
+    initialContent: Content = Content(),
+    editable: Boolean = true,
 ) = remember {
     CodeEditorState(
-        initialContent = initialContent
+        initialContent = initialContent,
+        isEditable = editable,
     )
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/paulcoding/hviewer/ui/page/editor/EditorPage.kt b/app/src/main/java/com/paulcoding/hviewer/ui/page/editor/EditorPage.kt
index d849542..66066a4 100644
--- a/app/src/main/java/com/paulcoding/hviewer/ui/page/editor/EditorPage.kt
+++ b/app/src/main/java/com/paulcoding/hviewer/ui/page/editor/EditorPage.kt
@@ -10,8 +10,10 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.platform.LocalSoftwareKeyboardController
+import com.paulcoding.hviewer.helper.crashLogDir
 import com.paulcoding.hviewer.helper.makeToast
 import com.paulcoding.hviewer.helper.readFile
+import com.paulcoding.hviewer.helper.scriptsDir
 import com.paulcoding.hviewer.helper.writeFile
 import com.paulcoding.hviewer.network.Github
 import com.paulcoding.hviewer.ui.component.HBackIcon
@@ -22,10 +24,21 @@ import io.github.rosemoe.sora.text.Content
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-fun EditorPage(appViewModel: AppViewModel, goBack: () -> Boolean, scriptFile: String) {
+fun EditorPage(
+    appViewModel: AppViewModel,
+    type: String,
+    goBack: () -> Boolean,
+    scriptFile: String
+) {
     val context = LocalContext.current
-    val script = context.readFile(scriptFile)
-    val state = rememberCodeEditorState(initialContent = Content(script))
+    val dir = when (type) {
+        "script" -> context.scriptsDir
+        "crash_log" -> context.crashLogDir
+        else -> return makeToast("Unknown type $type")
+    }
+    val editable = type == "script"
+    val script = context.readFile(scriptFile, dir)
+    val state = rememberCodeEditorState(initialContent = Content(script), editable = editable)
     val localSoftwareKeyboardController = LocalSoftwareKeyboardController.current
 
     Scaffold(
diff --git a/app/src/main/java/com/paulcoding/hviewer/ui/page/editor/ListScriptPage.kt b/app/src/main/java/com/paulcoding/hviewer/ui/page/editor/ListScriptPage.kt
index ff90099..c86f89d 100644
--- a/app/src/main/java/com/paulcoding/hviewer/ui/page/editor/ListScriptPage.kt
+++ b/app/src/main/java/com/paulcoding/hviewer/ui/page/editor/ListScriptPage.kt
@@ -17,7 +17,9 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
+import com.paulcoding.hviewer.helper.makeToast
 import com.paulcoding.hviewer.ui.component.HBackIcon
+import com.paulcoding.hviewer.ui.icon.BugReport
 import com.paulcoding.hviewer.ui.icon.Javascript
 import com.paulcoding.hviewer.ui.page.AppViewModel
 
@@ -25,14 +27,33 @@ import com.paulcoding.hviewer.ui.page.AppViewModel
 @Composable
 fun ListScriptPage(
     appViewModel: AppViewModel,
+    type: String,
     goBack: () -> Unit,
-    navToEditor: (String) -> Unit
+    navToEditor: (String) -> Unit,
 ) {
 
+    val listFiles = when (type) {
+        "script" -> appViewModel.listScriptFiles
+        "crash_log" -> appViewModel.listCrashLogFiles
+        else -> emptyList()
+    }
+
+    val title = when (type) {
+        "script" -> "List Script"
+        "crash_log" -> "List Crash Log"
+        else -> ""
+    }
+
+    val fileIcon = when (type) {
+        "script" -> Javascript
+        "crash_log" -> BugReport
+        else -> return makeToast("Unknown type $type")
+    }
+
     Scaffold(
         modifier = Modifier.fillMaxSize(),
         topBar = {
-            TopAppBar(title = { Text(text = "List Script") },
+            TopAppBar(title = { Text(text = title) },
                 navigationIcon = {
                     HBackIcon {
                         goBack()
@@ -45,7 +66,7 @@ fun ListScriptPage(
                 .padding(paddings)
                 .fillMaxSize()
         ) {
-            items(appViewModel.listScriptFiles, key = { it.name }) {
+            items(listFiles, key = { it.name }) {
                 Row(
                     modifier = Modifier
                         .fillMaxWidth()
@@ -56,7 +77,7 @@ fun ListScriptPage(
                     verticalAlignment = Alignment.CenterVertically,
                 ) {
                     Icon(
-                        Javascript,
+                        fileIcon,
                         contentDescription = "Javascript",
                         modifier = Modifier.size(32.dp),
                     )
diff --git a/app/src/main/java/com/paulcoding/hviewer/ui/page/sites/SitesPage.kt b/app/src/main/java/com/paulcoding/hviewer/ui/page/sites/SitesPage.kt
index 994414d..80621ff 100644
--- a/app/src/main/java/com/paulcoding/hviewer/ui/page/sites/SitesPage.kt
+++ b/app/src/main/java/com/paulcoding/hviewer/ui/page/sites/SitesPage.kt
@@ -32,6 +32,7 @@ import com.paulcoding.hviewer.model.SiteConfigs
 import com.paulcoding.hviewer.ui.component.HEmpty
 import com.paulcoding.hviewer.ui.component.HFavoriteIcon
 import com.paulcoding.hviewer.ui.component.HIcon
+import com.paulcoding.hviewer.ui.icon.BugReport
 import com.paulcoding.hviewer.ui.icon.EditIcon
 import com.paulcoding.hviewer.ui.icon.SettingsIcon
 import kotlinx.coroutines.delay
@@ -45,6 +46,7 @@ fun SitesPage(
     goBack: () -> Unit,
     siteConfigs: SiteConfigs,
     navToSettings: () -> Unit,
+    navToListCrashLog: () -> Unit,
     navToListScript: () -> Unit,
     refresh: () -> Unit,
     navToFavorite: () -> Unit,
@@ -59,10 +61,14 @@ fun SitesPage(
 
     Scaffold(topBar = {
         TopAppBar(title = { Text("Sites") }, actions = {
-            if (isDevMode)
+            if (isDevMode) {
+                HIcon(BugReport) {
+                    navToListCrashLog()
+                }
                 HIcon(EditIcon) {
                     navToListScript()
                 }
+            }
             HFavoriteIcon(isFavorite = false) {
                 navToFavorite()
             }