优化

app/src/main/java/io/legado/app/service/HttpReadAloudService.kt

@@ -141,8 +141,12 @@ class HttpReadAloudService : BaseReadAloudService(),
 
     override fun resumeReadAloud() {
         super.resumeReadAloud()
+        if (playingIndex == -1) {
+            play()
+        } else {
             mediaPlayer.start()
         }
+    }
 
     override fun upSpeechRate(reset: Boolean) {
         job?.cancel()