优化判断代码逻辑

musicMerge/src/main/res/layout/ac_music_handle_layout.xml

@@ -336,7 +336,7 @@
         android:layout_height="wrap_content"/>
 
     <TextView
-        android:visibility="visible"
+        android:visibility="gone"
         android:id="@+id/tv_delay_text"
         android:textColor="@color/white"
         android:textSize="@dimen/sp_20"