优化

app/src/main/java/io/legado/app/model/webBook/BookList.kt

@@ -196,7 +196,7 @@ object BookList {
             Debug.log(bookSource.bookSourceUrl, "┌获取分类", log)
             try {
                 searchBook.kind = analyzeRule.getStringList(ruleKind)?.joinToString(",")
-                Debug.log(bookSource.bookSourceUrl, "└${searchBook.kind}", log)
+                Debug.log(bookSource.bookSourceUrl, "└${searchBook.kind ?: ""}", log)
             } catch (e: Exception) {
                 Debug.log(bookSource.bookSourceUrl, "└${e.localizedMessage}", log)
             }
@@ -232,7 +232,7 @@ object BookList {
                         searchBook.coverUrl = NetworkUtils.getAbsoluteURL(baseUrl, it)
                     }
                 }
-                Debug.log(bookSource.bookSourceUrl, "└${searchBook.coverUrl}", log)
+                Debug.log(bookSource.bookSourceUrl, "└${searchBook.coverUrl ?: ""}", log)
             } catch (e: java.lang.Exception) {
                 Debug.log(bookSource.bookSourceUrl, "└${e.localizedMessage}", log)
             }

app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt

@@ -402,6 +402,10 @@ class BookInfoActivity :
             }
         }
         tvTocView.setOnClickListener {
+            if (viewModel.chapterListData.value.isNullOrEmpty()) {
+                toastOnUi(R.string.chapter_list_empty)
+                return@setOnClickListener
+            }
             viewModel.getBook()?.let { book ->
                 if (!viewModel.inBookshelf) {
                     viewModel.saveBook(book) {
@@ -533,10 +537,6 @@ class BookInfoActivity :
     }
 
     private fun openChapterList() {
-        if (viewModel.chapterListData.value.isNullOrEmpty()) {
-            toastOnUi(R.string.chapter_list_empty)
-            return
-        }
         viewModel.getBook()?.let {
             tocActivityResult.launch(it.bookUrl)
         }