增加晚课背景

src/chanting/evening_chanting_A.md

@@ -1,6 +1,6 @@
 # **晚 课**<br>**大金塔课诵本**<br>**傣调试用版**
 
-<div id="lyriccontainer" style="background-image:url('http://122.114.50.251:8010/jly/img/5_bhikkhu.jpg');background-size:cover">
+<div id="lyriccontainer" style="background-image:url('http://122.114.50.251:8010/jly/img/buddha_city.jpg');background-size:cover">
 	<audio id="audio" controls style="width: 100%;">
 	  <source src="http://122.114.50.251:8010/jly/audio/大金塔晚课（礼敬洁地）1031.mp3" type="audio/mpeg">
 	</audio>

src/chanting/evening_chanting_B.md

@@ -1,5 +1,5 @@
 # **晚 课**<br>**大金塔课诵本**<br>**傣调试用版**
-<div id="lyriccontainer">
+<div id="lyriccontainer" style="background-image:url('http://122.114.50.251:8010/jly/img/buddha_city.jpg');background-size:cover">
 	<audio id="audio" controls style="width: 100%;">
 	  <source src="http://122.114.50.251:8010/jly/audio/大金塔晚课（傣）1031.mp3" type="audio/mpeg">
 	</audio>