修复bug

app/src/main/java/io/legado/app/help/BookHelp.kt

@@ -322,11 +322,10 @@ object BookHelp {
         }
         val contents = arrayListOf<String>()
         c.split("\n").forEach {
-            val str = it.replace("^\\s+".toRegex(), "")
-                .replace("\r", "")
+            val str = it.replace("^[\\n\\s\\r]+".toRegex(), "")
             if (contents.isEmpty()) {
                 contents.add(title)
-                if (str != title && it.isNotEmpty()) {
+                if (str != title && str.isNotEmpty()) {
                     contents.add("${ReadBookConfig.paragraphIndent}$str")
                 }
             } else if (str.isNotEmpty()) {

app/src/main/java/io/legado/app/model/localBook/AnalyzeTxtFile.kt

@@ -261,6 +261,8 @@ class AnalyzeTxtFile {
             bookStream.seek(bookChapter.start!!)
             bookStream.read(content)
             return String(content, book.fileCharset())
+                .substringAfter(bookChapter.title)
+                .replace("^[\\n\\s]+".toRegex(), "　　")
         }
 
         private fun getBookFile(book: Book): File {