优化

app/src/main/java/io/legado/app/ui/book/read/page/provider/ChapterProvider.kt

@@ -33,7 +33,7 @@ object ChapterProvider {
     private const val srcReplaceChar = "▩"
 
     //用于评论按钮的替换
-    private const val reviewChar = "\uD83D\uDCAC"
+    private const val reviewChar = "◀"
 
     @JvmStatic
     var viewWidth = 0