fix: 换源界面

app/src/main/java/io/legado/app/data/entities/SearchBook.kt

@@ -90,6 +90,15 @@ data class SearchBook(
         origins?.add(origin)
     }
 
+    fun getDisplayLastChapterTitle(): String {
+        latestChapterTitle?.let {
+            if (it.isNotEmpty()) {
+                return it
+            }
+        }
+        return "无最新章节"
+    }
+
     fun toBook(): Book {
         return Book(
             name = name,

app/src/main/java/io/legado/app/ui/changesource/ChangeSourceAdapter.kt

@@ -19,7 +19,7 @@ class ChangeSourceAdapter(context: Context, val callBack: CallBack) :
             if (payloads.isEmpty()) {
                 this.onClick { callBack.changeTo(item) }
                 tv_origin.text = item.originName
-                tv_last.text = item.latestChapterTitle
+                tv_last.text = item.getDisplayLastChapterTitle()
                 if (callBack.bookUrl == item.bookUrl) {
                     iv_checked.visible()
                 } else {
@@ -27,7 +27,7 @@ class ChangeSourceAdapter(context: Context, val callBack: CallBack) :
                 }
             } else {
                 tv_origin.text = item.originName
-                tv_last.text = item.latestChapterTitle
+                tv_last.text = item.getDisplayLastChapterTitle()
             }
         }
     }