diff --git a/app/src/main/java/io/legado/app/data/entities/SearchBook.kt b/app/src/main/java/io/legado/app/data/entities/SearchBook.kt
index edd6f6e56..27f666547 100644
--- a/app/src/main/java/io/legado/app/data/entities/SearchBook.kt
+++ b/app/src/main/java/io/legado/app/data/entities/SearchBook.kt
@@ -78,16 +78,12 @@ data class SearchBook(
         variable = GSON.toJson(variableMap)
     }
 
-    @Ignore
+    @delegate:Ignore
     @IgnoredOnParcel
-    var origins: LinkedHashSet<String>? = null
-        private set
+    val origins: LinkedHashSet<String> by lazy { linkedSetOf(origin) }
 
     fun addOrigin(origin: String) {
-        if (origins == null) {
-            origins = linkedSetOf(this.origin)
-        }
-        origins?.add(origin)
+        origins.add(origin)
     }
 
     fun getDisplayLastChapterTitle(): String {
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 5dc166987..2bba67405 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
@@ -30,7 +30,7 @@ class DiffCallBack(private val oldItems: List<SearchBook>, private val newItems:
     override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean {
         val oldItem = oldItems[oldItemPosition]
         val newItem = newItems[newItemPosition]
-        if (oldItem.origins?.size != newItem.origins?.size) {
+        if (oldItem.origins.size != newItem.origins.size) {
             return false
         }
         if (oldItem.coverUrl != newItem.coverUrl) {
@@ -58,8 +58,8 @@ class DiffCallBack(private val oldItems: List<SearchBook>, private val newItems:
         if (oldItem.author != newItem.author) {
             payload.putString("author", newItem.author)
         }
-        if (oldItem.origins?.size != newItem.origins?.size) {
-            payload.putInt("origins", newItem.origins?.size ?: 1)
+        if (oldItem.origins.size != newItem.origins.size) {
+            payload.putInt("origins", newItem.origins.size)
         }
         if (oldItem.coverUrl != newItem.coverUrl) {
             payload.putString("group", newItem.coverUrl)
diff --git a/app/src/main/java/io/legado/app/ui/book/search/SearchAdapter.kt b/app/src/main/java/io/legado/app/ui/book/search/SearchAdapter.kt
index fbdcb99cf..38d1154d6 100644
--- a/app/src/main/java/io/legado/app/ui/book/search/SearchAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/search/SearchAdapter.kt
@@ -40,7 +40,7 @@ class SearchAdapter(context: Context, val callBack: CallBack) :
         with(itemView) {
             tv_name.text = searchBook.name
             tv_author.text = context.getString(R.string.author_show, searchBook.author)
-            bv_originCount.setBadgeCount(searchBook.origins?.size ?: 1)
+            bv_originCount.setBadgeCount(searchBook.origins.size)
             upLasted(itemView, searchBook.latestChapterTitle)
             tv_introduce.text = context.getString(R.string.intro_show, searchBook.intro)
             upKind(itemView, searchBook.getKindList())
@@ -56,7 +56,7 @@ class SearchAdapter(context: Context, val callBack: CallBack) :
                     "name" -> tv_name.text = searchBook.name
                     "author" -> tv_author.text =
                         context.getString(R.string.author_show, searchBook.author)
-                    "originCount" -> bv_originCount.setBadgeCount(searchBook.origins?.size ?: 1)
+                    "originCount" -> bv_originCount.setBadgeCount(searchBook.origins.size)
                     "lasted" -> upLasted(itemView, searchBook.latestChapterTitle)
                     "introduce" -> tv_introduce.text =
                         context.getString(R.string.intro_show, searchBook.intro)