diff --git a/app/src/main/java/io/legado/app/ui/book/search/DiffCallBack.kt b/app/src/main/java/io/legado/app/ui/book/search/DiffCallBack.kt
index 8db633cf8..5dc166987 100644
--- a/app/src/main/java/io/legado/app/ui/book/search/DiffCallBack.kt
+++ b/app/src/main/java/io/legado/app/ui/book/search/DiffCallBack.kt
@@ -16,10 +16,6 @@ class DiffCallBack(private val oldItems: List<SearchBook>, private val newItems:
     }
 
     override fun areItemsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean {
-        return true
-    }
-
-    override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean {
         val oldItem = oldItems[oldItemPosition]
         val newItem = newItems[newItemPosition]
         if (oldItem.name != newItem.name) {
@@ -28,6 +24,12 @@ class DiffCallBack(private val oldItems: List<SearchBook>, private val newItems:
         if (oldItem.author != newItem.author) {
             return false
         }
+        return true
+    }
+
+    override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean {
+        val oldItem = oldItems[oldItemPosition]
+        val newItem = newItems[newItemPosition]
         if (oldItem.origins?.size != newItem.origins?.size) {
             return false
         }
diff --git a/app/src/main/java/io/legado/app/ui/book/search/SearchViewModel.kt b/app/src/main/java/io/legado/app/ui/book/search/SearchViewModel.kt
index df104de88..1e780737e 100644
--- a/app/src/main/java/io/legado/app/ui/book/search/SearchViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/search/SearchViewModel.kt
@@ -130,9 +130,9 @@ class SearchViewModel(application: Application) : BaseViewModel(application) {
                             }
                         }
                     } else if (searchKey == item.author) {
-                        for ((i, searchBook) in copyDataS.withIndex()) {
+                        for ((index, searchBook) in copyDataS.withIndex()) {
                             if (searchKey != searchBook.name && searchKey == searchBook.author) {
-                                copyDataS.add(i, item)
+                                copyDataS.add(index, item)
                                 break
                             }
                         }