diff --git a/app/src/main/java/io/legado/app/data/entities/BookChapter.kt b/app/src/main/java/io/legado/app/data/entities/BookChapter.kt
index 9302cf28a..558f03e84 100644
--- a/app/src/main/java/io/legado/app/data/entities/BookChapter.kt
+++ b/app/src/main/java/io/legado/app/data/entities/BookChapter.kt
@@ -6,7 +6,6 @@ import androidx.room.Entity
 import androidx.room.ForeignKey
 import androidx.room.Ignore
 import androidx.room.Index
-import io.legado.app.R
 import io.legado.app.constant.AppLog
 import io.legado.app.constant.AppPattern
 import io.legado.app.data.appDb
@@ -138,11 +137,7 @@ data class BookChapter(
                 }
             }
         }
-        return when {
-            !isVip -> displayTitle
-            isPay -> appCtx.getString(R.string.payed_title, displayTitle)
-            else -> appCtx.getString(R.string.vip_title, displayTitle)
-        }
+        return displayTitle
     }
 
     fun getAbsoluteURL(): String {
diff --git a/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugActivity.kt b/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugActivity.kt
index 6b8ec5928..1033fd1be 100644
--- a/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugActivity.kt
@@ -195,6 +195,8 @@ class BookSourceDebugActivity : VMBaseActivity<ActivitySourceDebugBinding, BookS
             R.id.menu_content_src -> showDialogFragment(TextDialog("html", viewModel.contentSrc))
             R.id.menu_refresh_explore -> lifecycleScope.launch {
                 viewModel.bookSource?.clearExploreKindsCache()
+                adapter.clearItems()
+                openOrCloseHelp(true)
                 initExploreKinds()
             }
             R.id.menu_help -> showHelp("debugHelp")
diff --git a/app/src/main/java/io/legado/app/ui/book/toc/ChapterListAdapter.kt b/app/src/main/java/io/legado/app/ui/book/toc/ChapterListAdapter.kt
index 462c68eff..afa2f7d3e 100644
--- a/app/src/main/java/io/legado/app/ui/book/toc/ChapterListAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/toc/ChapterListAdapter.kt
@@ -159,6 +159,12 @@ class ChapterListAdapter(context: Context, val callback: Callback) :
                     tvWordCount.gone()
                 }
 
+                if (item.isVip && !item.isPay) {
+                    ivLocked.visible()
+                } else {
+                    ivLocked.gone()
+                }
+
                 upHasCache(binding, isDur, cached)
             } else {
                 tvChapterName.text = getDisplayTitle(item)
diff --git a/app/src/main/res/drawable/ic_lock_outline.xml b/app/src/main/res/drawable/ic_lock_outline.xml
new file mode 100644
index 000000000..d052b7087
--- /dev/null
+++ b/app/src/main/res/drawable/ic_lock_outline.xml
@@ -0,0 +1 @@
+<!-- drawable/lock_outline.xml --><vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:width="24dp" android:viewportWidth="24" android:viewportHeight="24"><path android:fillColor="#000000" android:pathData="M12,17C10.89,17 10,16.1 10,15C10,13.89 10.89,13 12,13A2,2 0 0,1 14,15A2,2 0 0,1 12,17M18,20V10H6V20H18M18,8A2,2 0 0,1 20,10V20A2,2 0 0,1 18,22H6C4.89,22 4,21.1 4,20V10C4,8.89 4.89,8 6,8H7V6A5,5 0 0,1 12,1A5,5 0 0,1 17,6V8H18M12,3A3,3 0 0,0 9,6V8H15V6A3,3 0 0,0 12,3Z" /></vector>
\ No newline at end of file
diff --git a/app/src/main/res/layout/item_chapter_list.xml b/app/src/main/res/layout/item_chapter_list.xml
index 879053eb1..71580c865 100644
--- a/app/src/main/res/layout/item_chapter_list.xml
+++ b/app/src/main/res/layout/item_chapter_list.xml
@@ -9,13 +9,26 @@
     android:orientation="vertical"
     android:padding="12dp">
 
+    <ImageView
+        android:id="@+id/iv_locked"
+        android:layout_width="24dp"
+        android:layout_height="24dp"
+        android:contentDescription="@string/success"
+        android:paddingEnd="8dp"
+        android:src="@drawable/ic_lock_outline"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:tint="@color/secondaryText" />
+
     <TextView
         android:id="@+id/tv_chapter_name"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:singleLine="true"
         app:layout_constraintBottom_toTopOf="@id/barrier"
-        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintLeft_toRightOf="@+id/iv_locked"
         app:layout_constraintRight_toLeftOf="@+id/iv_checked"
         app:layout_constraintTop_toTopOf="parent" />
 
@@ -35,7 +48,7 @@
         android:textSize="12sp"
         android:visibility="gone"
         app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintLeft_toRightOf="@+id/iv_locked"
         app:layout_constraintTop_toBottomOf="@+id/barrier"
         tools:ignore="RtlSymmetry" />