diff --git a/app/src/main/java/io/legado/app/constant/Bus.kt b/app/src/main/java/io/legado/app/constant/Bus.kt
index 4e90b7d82..e680d1e8c 100644
--- a/app/src/main/java/io/legado/app/constant/Bus.kt
+++ b/app/src/main/java/io/legado/app/constant/Bus.kt
@@ -4,4 +4,6 @@ object Bus {
     const val RECREATE = "RECREATE"
     const val UP_BOOK = "sourceDebugLog"
     const val ALOUD_STATE = "aloud_state"
+    const val TTS_START = "ttsStart"
+    const val TTS_RANGE_START = "readAloudNumber"
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/service/ReadAloudService.kt b/app/src/main/java/io/legado/app/service/ReadAloudService.kt
index 392901820..ebb4513da 100644
--- a/app/src/main/java/io/legado/app/service/ReadAloudService.kt
+++ b/app/src/main/java/io/legado/app/service/ReadAloudService.kt
@@ -268,11 +268,21 @@ class ReadAloudService : BaseService(), TextToSpeech.OnInitListener, AudioManage
     private inner class TTSUtteranceListener : UtteranceProgressListener() {
 
         override fun onStart(s: String) {
-
+            postEvent(Bus.TTS_START, readAloudNumber + 1)
+            postEvent(Bus.TTS_RANGE_START, readAloudNumber + 1)
         }
 
         override fun onDone(s: String) {
+            readAloudNumber += contentList[nowSpeak].length + 1
+            nowSpeak += 1
+            if (nowSpeak >= contentList.size) {
+                postEvent(Bus.ALOUD_STATE, Status.NEXT)
+            }
+        }
 
+        override fun onRangeStart(utteranceId: String?, start: Int, end: Int, frame: Int) {
+            super.onRangeStart(utteranceId, start, end, frame)
+            postEvent(Bus.TTS_RANGE_START, readAloudNumber + start)
         }
 
         override fun onError(s: String) {