diff --git a/app/src/main/java/chaoran/business/activity/MainActivity.java b/app/src/main/java/chaoran/business/activity/MainActivity.java
index d5e39c8..ff36d4f 100644
--- a/app/src/main/java/chaoran/business/activity/MainActivity.java
+++ b/app/src/main/java/chaoran/business/activity/MainActivity.java
@@ -259,22 +259,19 @@ public class MainActivity extends AppCompatActivity implements ResultListener{
     public void play(String msg, String type, int isZd) {
         ttsNr = msg;
         if ("1".equals(type)) {
-            if (diPlayer == null) {
-                diPlayer = MediaPlayer.create(this, R.raw.didi);
-                diPlayer.setOnCompletionListener(completionListener);
-            }
+            diPlayer = null;
+            diPlayer = MediaPlayer.create(this, R.raw.didi);
+            diPlayer.setOnCompletionListener(completionListener);
             diPlayer.start();
         } else if ("2".equals(type)) {
-            if (duPlayer == null) {
-                duPlayer = MediaPlayer.create(this, R.raw.dudu);
-                duPlayer.setOnCompletionListener(completionListener);
-            }
+            diPlayer = null;
+            duPlayer = MediaPlayer.create(this, R.raw.dudu);
+            duPlayer.setOnCompletionListener(completionListener);
             duPlayer.start();
         } else if ("10".equals(type)) {
-            if (duPlayer == null) {
-                duPlayer = MediaPlayer.create(this, R.raw.ding);
-                duPlayer.setOnCompletionListener(completionListener);
-            }
+            diPlayer = null;
+            duPlayer = MediaPlayer.create(this, R.raw.ding);
+            duPlayer.setOnCompletionListener(completionListener);
             duPlayer.start();
         } else {
             //isZd = 1;