diff --git a/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceAdapter.kt b/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceAdapter.kt
index e35f00e89..1222391cc 100644
--- a/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceAdapter.kt
@@ -51,7 +51,12 @@ class ChangeSourceAdapter(
         binding.apply {
             if (bundle == null) {
                 tvOrigin.text = item.originName
-                tvAuthor.text = context.getString(R.string.author_show, item.author)
+                val author = if (item.author.isEmpty()) {
+                    context.getString(R.string.empty)
+                } else {
+                    item.author
+                }
+                tvAuthor.text = context.getString(R.string.author_show, author)
                 tvAuthor.isGone = viewModel.author == item.author
                 tvLast.text = item.getDisplayLastChapterTitle()
                 if (callBack.bookUrl == item.bookUrl) {
diff --git a/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceDialog.kt b/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceDialog.kt
index 9040f7d13..dafd9a40f 100644
--- a/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceDialog.kt
@@ -77,7 +77,12 @@ class ChangeSourceDialog : BaseDialogFragment(),
 
     private fun showTitle() {
         binding.toolBar.title = viewModel.name
-        binding.toolBar.subtitle = getString(R.string.author_show, viewModel.author)
+        val author = if (viewModel.author.isBlank()) {
+            getString(R.string.empty)
+        } else {
+            viewModel.author
+        }
+        binding.toolBar.subtitle = getString(R.string.author_show, author)
     }
 
     private fun initMenu() {
diff --git a/app/src/main/res/layout/item_change_source.xml b/app/src/main/res/layout/item_change_source.xml
index 0bebee9fe..809b2b93d 100644
--- a/app/src/main/res/layout/item_change_source.xml
+++ b/app/src/main/res/layout/item_change_source.xml
@@ -22,7 +22,7 @@
         android:layout_height="wrap_content"
         android:singleLine="true"
         android:textColor="@color/primaryText"
-        android:maxWidth="30dp"
+        android:maxWidth="160dp"
         android:visibility="gone"
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintRight_toLeftOf="@+id/iv_checked" />