diff --git a/src/main/kotlin/ee/carlrobert/codegpt/toolwindow/chat/editor/actions/AutoApplyAction.kt b/src/main/kotlin/ee/carlrobert/codegpt/toolwindow/chat/editor/actions/AutoApplyAction.kt
index 3e185e9b..bad4235a 100644
--- a/src/main/kotlin/ee/carlrobert/codegpt/toolwindow/chat/editor/actions/AutoApplyAction.kt
+++ b/src/main/kotlin/ee/carlrobert/codegpt/toolwindow/chat/editor/actions/AutoApplyAction.kt
@@ -54,13 +54,12 @@ class AutoApplyAction(
         }
 
         val selectedEditor = EditorUtil.getSelectedEditor(project)
-        anActionLink.text = if (selectedEditor?.virtualFile == null) {
-            "Apply"
-        } else {
-            "Apply to ${selectedEditor.virtualFile.name}"
-        }
-        anActionLink.isEnabled = selectedEditor != null
-        anActionLink.isVisible = true
+        val selectedEditorFile = selectedEditor?.virtualFile
+        val canApply = selectedEditorFile != null && selectedEditorFile.isWritable
+
+        anActionLink.text = if (canApply) "Apply to ${selectedEditorFile.name}" else "Apply"
+        anActionLink.isEnabled = canApply
+        anActionLink.isVisible = canApply
     }
 
     override fun createCustomComponent(presentation: Presentation, place: String): JComponent {
diff --git a/src/main/kotlin/ee/carlrobert/codegpt/toolwindow/chat/editor/header/HeaderPanel.kt b/src/main/kotlin/ee/carlrobert/codegpt/toolwindow/chat/editor/header/HeaderPanel.kt
index f91b7343..508a417e 100644
--- a/src/main/kotlin/ee/carlrobert/codegpt/toolwindow/chat/editor/header/HeaderPanel.kt
+++ b/src/main/kotlin/ee/carlrobert/codegpt/toolwindow/chat/editor/header/HeaderPanel.kt
@@ -17,6 +17,7 @@ import com.intellij.ui.components.JBLabel
 import com.intellij.util.ui.JBUI
 import com.intellij.util.ui.components.BorderLayoutPanel
 import ee.carlrobert.codegpt.toolwindow.chat.editor.diff.DiffStatsComponent
+import ee.carlrobert.codegpt.util.file.FileUtil
 import java.awt.BorderLayout
 import java.awt.Dimension
 import java.io.File
@@ -43,14 +44,7 @@ abstract class HeaderPanel(protected val config: HeaderConfig) : BorderLayoutPan
         font = JBUI.Fonts.smallFont()
     }
 
-    protected var virtualFile: VirtualFile? = config.filePath?.let {
-        try {
-            LocalFileSystem.getInstance().refreshAndFindFileByIoFile(File(it))
-        } catch (t: Throwable) {
-            logger.error(t)
-            null
-        }
-    }
+    protected var virtualFile: VirtualFile? = FileUtil.resolveVirtualFile(config.filePath)
 
     private val rightPanel = JPanel().apply {
         layout = BoxLayout(this, BoxLayout.X_AXIS)
@@ -70,7 +64,7 @@ abstract class HeaderPanel(protected val config: HeaderConfig) : BorderLayoutPan
 
     protected fun setupUI() {
         setupPanelAppearance()
-        setupFilePathOrLanguageLabel(virtualFile)
+        setupFileLinkOrLanguageLabel(virtualFile)
         rightPanel.removeAll()
         initializeRightPanel(rightPanel)
 
@@ -107,26 +101,25 @@ abstract class HeaderPanel(protected val config: HeaderConfig) : BorderLayoutPan
         minimumSize = Dimension(preferredSize.width, 32)
     }
 
-    protected fun setupFilePathOrLanguageLabel(virtualFile: VirtualFile?) {
+    private fun setupFileLinkOrLanguageLabel(virtualFile: VirtualFile?) {
         val filePath = config.filePath
-        if (filePath != null) {
-            if (virtualFile == null) {
-                val newFileLink = createNewFileLink(filePath, config.editorEx)
-                addToLeft(newFileLink)
-            } else {
-                addToLeft(JPanel().apply {
-                    layout = BoxLayout(this, BoxLayout.X_AXIS)
-                    isOpaque = false
-                    add(ActionLink(virtualFile.name) {
-                        OpenFileAction.openFile(virtualFile, config.project)
-                    }.apply {
-                        setExternalLinkIcon()
-                    })
-                    add(statsComponent)
-                })
-            }
-        } else {
-            addToLeft(createLanguageLabel())
+        when {
+            filePath == null -> addToLeft(createLanguageLabel())
+            virtualFile == null -> addToLeft(createNewFileLink(filePath, config.editorEx))
+            else -> addToLeft(createFileLinkPanel(virtualFile))
+        }
+    }
+
+    private fun createFileLinkPanel(virtualFile: VirtualFile): JPanel {
+        return JPanel().apply {
+            layout = BoxLayout(this, BoxLayout.X_AXIS)
+            isOpaque = false
+            add(ActionLink(virtualFile.name) {
+                OpenFileAction.openFile(virtualFile, config.project)
+            }.apply {
+                setExternalLinkIcon()
+            })
+            add(statsComponent)
         }
     }
 
@@ -157,7 +150,7 @@ abstract class HeaderPanel(protected val config: HeaderConfig) : BorderLayoutPan
                     }
 
                     remove(actionLink)
-                    setupFilePathOrLanguageLabel(newFile)
+                    setupFileLinkOrLanguageLabel(newFile)
 
                     OpenFileAction.openFile(newFile, config.project)
                 }
diff --git a/src/main/kotlin/ee/carlrobert/codegpt/util/file/FileUtil.kt b/src/main/kotlin/ee/carlrobert/codegpt/util/file/FileUtil.kt
index b48bae76..6cade673 100644
--- a/src/main/kotlin/ee/carlrobert/codegpt/util/file/FileUtil.kt
+++ b/src/main/kotlin/ee/carlrobert/codegpt/util/file/FileUtil.kt
@@ -6,9 +6,10 @@ import com.fasterxml.jackson.databind.ObjectMapper
 import com.intellij.openapi.diagnostic.thisLogger
 import com.intellij.openapi.progress.ProgressIndicator
 import com.intellij.openapi.util.io.FileUtil.createDirectory
+import com.intellij.openapi.vfs.JarFileSystem
+import com.intellij.openapi.vfs.LocalFileSystem
 import com.intellij.openapi.vfs.VfsUtilCore
 import com.intellij.openapi.vfs.VirtualFile
-import com.intellij.psi.search.*
 import ee.carlrobert.codegpt.settings.service.llama.LlamaSettings.getLlamaModelsPath
 import java.io.File
 import java.io.FileOutputStream
@@ -25,6 +26,7 @@ import java.nio.file.StandardOpenOption
 import java.text.DecimalFormat
 import java.util.*
 import java.util.regex.Pattern
+import kotlin.Throws
 
 object FileUtil {
 
@@ -234,4 +236,22 @@ object FileUtil {
                 )
             }
     }
+
+    fun resolveVirtualFile(filePath: String?): VirtualFile? {
+        if (filePath == null) return null
+        return try {
+            if (filePath.contains("!")) {
+                val jarSeparatorIndex = filePath.indexOf('!')
+                val archivePath = filePath.substring(0, jarSeparatorIndex)
+                val internalPath = filePath.substring(jarSeparatorIndex + 1).removePrefix("/")
+                val jarFileSystemPath = "$archivePath!/$internalPath"
+                JarFileSystem.getInstance().findFileByPath(jarFileSystemPath)
+            } else {
+                LocalFileSystem.getInstance().refreshAndFindFileByIoFile(File(filePath))
+            }
+        } catch (t: Throwable) {
+            logger.error(t)
+            null
+        }
+    }
 }
\ No newline at end of file