diff --git a/Data/Xml/PianGuangJing.xml b/Data/Xml/PianGuangJing.xml
index bde1b200..86333c2f 100644
--- a/Data/Xml/PianGuangJing.xml
+++ b/Data/Xml/PianGuangJing.xml
@@ -43,7 +43,7 @@
 					<Action type="Move" value="FlyCamera" to="0.115,1.43,2.213" time="0"></Action>
 					<Action type="Rotate" value="FlyCamera" to="39.7456,0,0" time="0"></Action>
 
-					<Action type="Hint" value="请打开偏光镜仪器电源键，使载物台底下的光源发光" time="-1" icon="true" ></Action>
+					<Action type="Hint" value="请打开偏光镜仪器电源键，使载物台底下的光源发光" time="-1" audio="sound_1.mp3" icon="true" ></Action>
 					<Action type="HighLightFlash" value="SM_PianGuangJing 1/SM_DianYuan_PGJ" isHigh="true" color="255,0,0,255" time="1" count="-1"></Action>
 					<Condition type="ObjClick" value="SM_PianGuangJing 1/SM_DianYuan_PGJ"></Condition>
 					<Action type="HighLightFlash" value="SM_PianGuangJing 1/SM_DianYuan_PGJ" isHigh="false"></Action>
@@ -58,7 +58,7 @@
 		<Step name="2.调整上偏光片">
 			<Start>
 				<Action type="Sequence">
-					<Action type="Hint" value="请旋转上偏光片，调整振动方向，将视域调节成全暗的状态" time="-1" icon="true" ></Action>
+					<Action type="Hint" value="请旋转上偏光片，调整振动方向，将视域调节成全暗的状态" time="-1" audio="sound_2.mp3" icon="true" ></Action>
 					<Action type="Rotate" value="SM_PianGuangJing 1/SM_ShangPianGuangPian" to="270,359,0" time="1.5"></Action>
 					<Action type="Parallel">
 						<Action type="Move" value="FlyCamera" to="0.115,1.43,2.352" time="1.0"></Action>
@@ -81,7 +81,7 @@
 		<Step name="3.放置均质体宝石">
 			<Start>
 				<Action type="Sequence">
-					<Action type="Hint" value="请将已经经过清理的均质体宝石，放置在玻璃载物台上" time="-1" icon="true" ></Action>
+					<Action type="Hint" value="请将已经经过清理的均质体宝石，放置在玻璃载物台上" time="-1" audio="sound_3.mp3" icon="true" ></Action>
 					<Action type="Parallel">
 						<Action type="Move" value="FlyCamera" to="0.115,1.43,2.213" time="1.0"></Action>
 						<Action type="Rotate" value="FlyCamera" to="39.7456,0,0" time="1.0"></Action>
@@ -100,7 +100,7 @@
 		<Step name="4.旋转载物台，观察消光现象">
 			<Start>
 				<Action type="Sequence">
-					<Action type="Hint" value="请通过旋转载物台，观察均质体宝石的消光现象" time="-1" icon="true" ></Action>
+					<Action type="Hint" value="请通过旋转载物台，观察均质体宝石的消光现象" time="-1" audio="sound_4.mp3" icon="true" ></Action>
 					
 					<Action type="Show" value="CustomParent/2/ShunShiZhen" isShow="true"></Action>
 					<Action type="Show" value="CustomParent/2/AllLight" isShow="false"></Action>
@@ -132,7 +132,7 @@
 		<Step name="5.放置非均质体单晶类宝石">
 			<Start>
 				<Action type="Sequence">
-					<Action type="Hint" value="请将已经经过清理的非均质体单晶类宝石，放置在玻璃载物台上" time="-1" icon="true" ></Action>
+					<Action type="Hint" value="请将已经经过清理的非均质体单晶类宝石，放置在玻璃载物台上" time="-1" audio="sound_5.mp3" icon="true" ></Action>
 					<Action type="Show" value="CustomParent/2/NoLight" isShow="true"></Action>
 					<Action type="Show" value="CustomParent/4" isShow="false"></Action>
 					<Action type="Move" value="ChangJing/SM_BaoShi/SM_PGJ_ShiYong/pianguangjing" to="0.334434,1.21484,2.45783" time="0"></Action>
@@ -154,7 +154,7 @@
 		<Step name="6.旋转载物台，观察消光现象">
 			<Start>
 				<Action type="Sequence">
-					<Action type="Hint" value="请通过旋转载物台，观察非均质体单晶类宝石四明四暗的消光现象" time="-1" icon="true" ></Action>				
+					<Action type="Hint" value="请通过旋转载物台，观察非均质体单晶类宝石四明四暗的消光现象" time="-1"  audio="sound_6.mp3" icon="true" ></Action>				
 					<Action type="Show" value="CustomParent/2/ShunShiZhen" isShow="true"></Action>
 					<Action type="Show" value="CustomParent/2/NoLight" isShow="false"></Action>
 					<Action type="Show" value="CustomParent/6" isShow="true"></Action>
@@ -182,7 +182,7 @@
 		<Step name="7.放置非均质体多晶类宝石">
 			<Start>
 				<Action type="Sequence">
-					<Action type="Hint" value="请将已经经过清理的非均质体多晶类宝石，放置在玻璃载物台上" time="-1" icon="true" ></Action>
+					<Action type="Hint" value="请将已经经过清理的非均质体多晶类宝石，放置在玻璃载物台上" time="-1"  audio="sound_7.mp3" icon="true" ></Action>
 					<Action type="Show" value="CustomParent/2/NoLight" isShow="true"></Action>
 					<Action type="Show" value="CustomParent/6" isShow="false"></Action>
 					<Action type="Move" value="ChangJing/SM_BaoShi/SM_HaiLanBaoShi/SM_HaiLanBaoShi" to="0.3496737,1.212268,2.458112" time="0"></Action>
@@ -204,7 +204,7 @@
 		<Step name="8.旋转载物台，观察消光现象">
 			<Start>
 				<Action type="Sequence">
-					<Action type="Hint" value="请通过旋转载物台，观察非均质体多晶类宝石的消光现象" time="-1" icon="true" ></Action>
+					<Action type="Hint" value="请通过旋转载物台，观察非均质体多晶类宝石的消光现象" time="-1"  audio="sound_8.mp3" icon="true" ></Action>
 					<Action type="Show" value="CustomParent/2/ShunShiZhen" isShow="true"></Action>
 					<Action type="Show" value="CustomParent/2/NoLight" isShow="false"></Action>
 					<Action type="Show" value="CustomParent/8" isShow="true"></Action>