diff --git a/Data/Xml/Study.xml b/Data/Xml/Study.xml
index bc787878..f5cf9ff8 100644
--- a/Data/Xml/Study.xml
+++ b/Data/Xml/Study.xml
@@ -900,7 +900,7 @@
 						<Action type="CameraSwitch" normalPos="46.97, 1.55, -1.11" normalRot="3.42, 24.43, 0.00" normalTime="0" isOn="normal" ></Action>
 
 						<!--点击帽子-->
-						<Action type="Hint" value="穿戴帽子、口罩" time="-1" icon="false" audio="Q001.mp3"></Action>
+						<Action type="Hint" value="穿戴帽子、口罩。" time="-1" icon="false" audio="Q001.mp3"></Action>
 						<Action type="HighLight"  deviceName="帽子" isHigh="true" color="0,255,0,255"></Action>
 						<Condition type="ObjClick" deviceName="帽子"></Condition>
 
@@ -928,7 +928,7 @@
 
 
 
-						<Action type="Hint" value="打开水龙头，按照七步洗手法进行手臂消毒" time="-1" icon="false" audio="Q002.mp3"></Action>
+						<Action type="Hint" value="打开水龙头，按照七步洗手法进行手臂消毒。" time="-1" icon="false" audio="Q002.mp3"></Action>
 						<Action type="CameraSwitch" normalPos="49.22, 1.61, 0.49" normalRot="23.09, 69.65, 0.00" normalTime="0" isOn="normal" ></Action>
 
 						<Action type="HighLight"  deviceName="水龙头" isHigh="true" color="0,255,0,255"></Action>
@@ -938,7 +938,7 @@
 
 
 
-						<Action type="Hint" value="手臂消毒后，呈“抱球状”姿势，用无菌擦手纸擦干手及手臂" time="-1" icon="false" audio="Q003.mp3"></Action>
+						<Action type="Hint" value="手臂消毒后，呈“抱球状”姿势，用无菌擦手纸擦干手及手臂。" time="-1" icon="false" audio="Q003.mp3"></Action>
 
 						<Action type="CameraSwitch" normalPos="49.22, 1.61, 0.49" normalRot="23.09, 69.65, 0.00" normalTime="0" isOn="normal" ></Action>
 
@@ -961,7 +961,7 @@
 
 
 						<Action type="CameraSwitch" normalPos="49.22, 1.61, 0.49" normalRot="23.09, 69.65, 0.00" normalTime="0" isOn="normal" ></Action>
-						<Action type="Hint" value="用洁肤柔消毒凝胶进行术部部加强" time="-1" icon="false" audio="Q004.mp3"></Action>
+						<Action type="Hint" value="用洁肤柔消毒凝胶进行术部部加强。" time="-1" icon="false" audio="Q004.mp3"></Action>
 						<Action type="HighLight"  deviceName="消毒凝胶" isHigh="true" color="0,255,0,255"></Action>
 						<Condition type="ObjClick" deviceName="消毒凝胶"></Condition>
 						<Action type="Anim" value="Models/ZhuDao_chaunyifu" animName="消毒液消毒" ></Action>
@@ -974,7 +974,7 @@
 
 
 						<Action type="CameraSwitch" normalPos="-4.72, 1.58, -1.98" normalRot="13.73, 151.63, 0.00" normalTime="0" isOn="normal" ></Action>
-						<Action type="Hint" value="穿戴手术衣和无菌手套" time="-1" icon="false" audio="Q005.mp3"></Action>
+						<Action type="Hint" value="穿戴手术衣和无菌手套。" time="-1" icon="false" audio="Q005.mp3"></Action>
 						<!--手套显示-->
 						<Action type="Show" value="Models/ZhuDao_chaunyifu/shoutao/空物体.001" isShow="true" ></Action>
 
@@ -1129,7 +1129,7 @@
 						<Action type="CameraSwitch" normalPos="46.97, 1.55, -1.11" normalRot="3.42, 24.43, 0.00" normalTime="0"  isOn="normal"></Action>
 
 						<!--点击帽子-->
-						<Action type="Hint" value="穿戴帽子、口罩" time="-1" icon="false" audio="Q001.mp3"></Action>
+						<Action type="Hint" value="穿戴帽子、口罩。" time="-1" icon="false" audio="Q001.mp3"></Action>
 
 						<Action type="Show" value="Environment/room_xishou/SM_YiShengMaoZi1.005" isShow="true" ></Action>
 
@@ -1162,7 +1162,7 @@
 						<Action type="CameraSwitch" normalPos="49.22, 1.61, 0.49" normalRot="23.09, 69.65, 0.00" normalTime="0"  isOn="normal"></Action>
 
 
-						<Action type="Hint" value="打开水龙头，按照七步洗手法进行手臂消毒" time="-1" icon="false" audio="Q002.mp3"></Action>
+						<Action type="Hint" value="打开水龙头，按照七步洗手法进行手臂消毒。" time="-1" icon="false" audio="Q002.mp3"></Action>
 						<Action type="HighLight"  deviceName="水龙头" isHigh="true" color="0,255,0,255"></Action>
 						<Condition type="ObjClick" deviceName="水龙头"></Condition>
 						<Action type="Show" value="Environment/room_xishou/shuiguan/Shui" isShow="true" ></Action>
@@ -1170,7 +1170,7 @@
 
 						<Action type="Anim" value="Models/ZhuDao_chaunyifu" animName="洗手" speed="2"></Action>
 
-						<Action type="Hint" value="手臂消毒后，呈“抱球状”姿势，用无菌擦手纸擦干手及手臂" time="-1" icon="false" audio="Q003.mp3"></Action>
+						<Action type="Hint" value="手臂消毒后，呈“抱球状”姿势，用无菌擦手纸擦干手及手臂。" time="-1" icon="false" audio="Q003.mp3"></Action>
 
 						<Action type="CameraSwitch" normalPos="49.22, 1.61, 0.49" normalRot="23.09, 69.65, 0.00" normalTime="0"  isOn="normal"></Action>
 
@@ -1199,7 +1199,7 @@
 						<Action type="CameraSwitch" normalPos="49.22, 1.61, 0.49" normalRot="23.09, 69.65, 0.00" normalTime="0"  isOn="normal"></Action>
 
 
-						<Action type="Hint" value="用洁肤柔消毒凝胶进行术部部加强" time="-1" icon="false" audio="Q004.mp3"></Action>
+						<Action type="Hint" value="用洁肤柔消毒凝胶进行术部部加强。" time="-1" icon="false" audio="Q004.mp3"></Action>
 						<Action type="HighLight"  deviceName="消毒凝胶" isHigh="true" color="0,255,0,255"></Action>
 						<Condition type="ObjClick" deviceName="消毒凝胶"></Condition>
 						<Action type="Anim" value="Models/ZhuDao_chaunyifu" animName="消毒液消毒" ></Action>
@@ -1211,7 +1211,7 @@
 
 
 
-						<Action type="Hint" value="穿戴手术衣和无菌手套" time="-1" icon="false" audio="Q005.mp3"></Action>
+						<Action type="Hint" value="穿戴手术衣和无菌手套。" time="-1" icon="false" audio="Q005.mp3"></Action>
 						<Action type="Move" value="Models/ZhuDao_chaunyifu" to="-4.333,0,-3.307" time="0"></Action>
 						<Action type="Rotate" value="Models/ZhuDao_chaunyifu" to="0,90,0" time="0"></Action>
 						<Action type="CameraSwitch" normalPos="-4.72, 1.58, -1.98" normalRot="13.73, 151.63, 0.00" normalTime="0"  isOn="normal"></Action>
@@ -1381,7 +1381,7 @@
 
 
 
-						<Action type="Hint" value="穿戴帽子、口罩" time="-1" icon="false" audio="Q001.mp3"></Action>
+						<Action type="Hint" value="穿戴帽子、口罩。" time="-1" icon="false" audio="Q001.mp3"></Action>
 						<Action type="CameraSwitch" normalPos="46.97, 1.55, -1.11" normalRot="3.42, 24.43, 0.00" normalTime="0"  ></Action>
 
 						<Action type="HighLight"  deviceName="帽子" isHigh="true" color="0,255,0,255"></Action>
@@ -1401,7 +1401,7 @@
 						<Action type="Move" value="Models/nvzhushou_xishou" to="50,0,-0.054" time="0"></Action>
 						<Action type="Rotate" value="Models/nvzhushou_xishou" to="0,0,0" time="0"></Action>
 
-						<Action type="Hint" value="打开水龙头，按照七步洗手法进行手臂消毒" time="-1" icon="false" audio="Q002.mp3"></Action>
+						<Action type="Hint" value="打开水龙头，按照七步洗手法进行手臂消毒。" time="-1" icon="false" audio="Q002.mp3"></Action>
 						<Action type="CameraSwitch" normalPos="49.22, 1.61, 0.49" normalRot="23.09, 69.65, 0.00" normalTime="0" isOn="normal" ></Action>
 
 						<Action type="HighLight"  deviceName="水龙头" isHigh="true" color="0,255,0,255"></Action>
@@ -1409,7 +1409,7 @@
 
 						<Action type="Show" value="Environment/room_xishou/shuiguan/Shui" isShow="true" ></Action>
 						<Action type="Anim" value="Models/nvzhushou_xishou" animName="洗手" speed="2"></Action>
-						<Action type="Hint" value="手臂消毒后，呈“抱球状”姿势，用无菌擦手纸擦干手及手臂" time="-1" icon="false" audio="Q003.mp3"></Action>
+						<Action type="Hint" value="手臂消毒后，呈“抱球状”姿势，用无菌擦手纸擦干手及手臂。" time="-1" icon="false" audio="Q003.mp3"></Action>
 						<Action type="CameraSwitch" normalPos="49.22, 1.61, 0.49" normalRot="23.09, 69.65, 0.00" normalTime="0" isOn="normal" ></Action>
 
 						<Action type="HighLight"  deviceName="擦手纸" isHigh="true" color="0,255,0,255"></Action>
@@ -1428,7 +1428,7 @@
 
 							</Action>
 						</Action>
-						<Action type="Hint" value="用洁肤柔消毒凝胶进行术部部加强" time="-1" icon="false" audio="Q004.mp3"></Action>
+						<Action type="Hint" value="用洁肤柔消毒凝胶进行术部部加强。" time="-1" icon="false" audio="Q004.mp3"></Action>
 						<Action type="CameraSwitch" normalPos="49.22, 1.61, 0.49" normalRot="23.09, 69.65, 0.00" normalTime="0" isOn="normal" ></Action>
 
 						<Action type="HighLight"  deviceName="消毒凝胶" isHigh="true" color="0,255,0,255"></Action>
@@ -1440,7 +1440,7 @@
 
 
 						<!--检查器械台-->
-						<Action type="Hint" value="用洁肤柔消毒凝胶进行术部部加强" time="-1" icon="false" audio="Q004.mp3"></Action>
+						<Action type="Hint" value="用洁肤柔消毒凝胶进行术部部加强。" time="-1" icon="false" audio="Q004.mp3"></Action>
 
 						<Action type="Parallel">
 							<Action type="Move" value="Models/nvzhushou_xishou" to="-2.612,0,0.149" time="0"></Action>
@@ -1491,7 +1491,7 @@
 						<Action type="Show" value="Environment/room_xishou/SM_YiShengKouZhao1.005" isShow="true" ></Action>
 
 						<!--点击帽子-->
-						<Action type="Hint" value="穿戴帽子、口罩" time="-1" icon="false" audio="Q001.mp3"></Action>
+						<Action type="Hint" value="穿戴帽子、口罩。" time="-1" icon="false" audio="Q001.mp3"></Action>
 						<Action type="HighLight"  deviceName="帽子" isHigh="true" color="0,255,0,255"></Action>
 						<Condition type="ObjClick" deviceName="帽子"></Condition>
 						<Action type="Show" value="Environment/room_xishou/SM_YiShengMaoZi1.005" isShow="false" ></Action>
@@ -1511,13 +1511,13 @@
 						<Action type="Rotate" value="Models/nvzhushou_xishou" to="0,0,0" time="0"></Action>
 						<Action type="CameraSwitch" normalPos="49.22, 1.61, 0.49" normalRot="23.09, 69.65, 0.00" normalTime="0" isOn="normal" ></Action>
 
-						<Action type="Hint" value="打开水龙头，按照七步洗手法进行手臂消毒" time="-1" icon="false" audio="Q002.mp3"></Action>
+						<Action type="Hint" value="打开水龙头，按照七步洗手法进行手臂消毒。" time="-1" icon="false" audio="Q002.mp3"></Action>
 						<Action type="HighLight"  deviceName="水龙头" isHigh="true" color="0,255,0,255"></Action>
 						<Condition type="ObjClick" deviceName="水龙头"></Condition>
 						<Action type="Show" value="Environment/room_xishou/shuiguan/Shui" isShow="true" ></Action>
 
 						<Action type="Anim" value="Models/nvzhushou_xishou" animName="洗手" speed="2"></Action>
-						<Action type="Hint" value="手臂消毒后，呈“抱球状”姿势，用无菌擦手纸擦干手及手臂" time="-1" icon="false" audio="Q003.mp3"></Action>
+						<Action type="Hint" value="手臂消毒后，呈“抱球状”姿势，用无菌擦手纸擦干手及手臂。" time="-1" icon="false" audio="Q003.mp3"></Action>
 
 						<Action type="CameraSwitch" normalPos="49.22, 1.61, 0.49" normalRot="23.09, 69.65, 0.00" normalTime="0" isOn="normal" ></Action>
 
@@ -1536,7 +1536,7 @@
 
 							</Action>
 						</Action>
-						<Action type="Hint" value="用洁肤柔消毒凝胶进行术部部加强" time="-1" icon="false" audio="Q004.mp3"></Action>
+						<Action type="Hint" value="用洁肤柔消毒凝胶进行术部部加强。" time="-1" icon="false" audio="Q004.mp3"></Action>
 
 						<Action type="CameraSwitch" normalPos="49.22, 1.61, 0.49" normalRot="23.09, 69.65, 0.00" normalTime="0" isOn="normal" ></Action>
 
@@ -1611,7 +1611,7 @@
 
 
 						<Action type="CameraSwitch" nearPos="-0.53, 1.53, 1.67" nearRot="12.78, 145.64, 0.00" nearTime="0" normalPos="-0.53, 1.53, 1.67" normalRot="12.78, 145.64, 0.00" normalTime="0" isOn="normal" ></Action>
-						<Action type="Hint" value="（术前12小时禁食，术前2小时禁水）首先进行诱导式麻醉" time="-1" icon="false" audio="Q007.mp3"></Action>
+						<Action type="Hint" value="（术前12小时禁食，术前2小时禁水）首先进行诱导式麻醉。" time="-1" icon="false" audio="Q007.mp3"></Action>
 						<Action type="HighLight"  value="Models/Aim_ZSQ/SM_ZhSheQI_20" isHigh="true" color="0,255,0,255"></Action>
 						<Action type="Show" value="Models/SM_gou/SM_gou"  isShow="true"></Action>
 						<Action type="Show" value="Models/Aim_yisheng_01"  isShow="true"></Action>
@@ -1640,7 +1640,7 @@
 
 						<Action type="Anim" value="Models/Aim_yisheng_01" animName="26Aim_kangou" frame="0"></Action>
 
-						<Action type="Hint" value="下颌肌肉松弛即可进行插管" time="-1" icon="false" audio="Q008.mp3"></Action>
+						<Action type="Hint" value="下颌肌肉松弛即可进行插管。" time="-1" icon="false" audio="Q008.mp3"></Action>
 						<Action type="CameraSwitch" nearPos="-0.84, 2.18, 0.00" nearRot="37.03, 88.74, 0.00" nearTime="0" normalPos="-0.84, 2.18, 0.00" normalRot="37.03, 88.74, 0.00" normalTime="0" isOn="normal" ></Action>
 
 						<Action type="Show" value="Models/SM_gou/SM_gou_01"  isShow="true"></Action>
@@ -1669,7 +1669,7 @@
 						<Action type="Show" value="Models/SM_gou/SM_gou_01"  isShow="false"></Action>
 						<Action type="Show" value="Models/SM_gou/SM_gou_02"  isShow="true"></Action>
 
-						<Action type="Hint" value="与麻醉机连接，进行呼吸麻醉" time="-1" icon="false" audio="Q009.mp3"></Action>
+						<Action type="Hint" value="与麻醉机连接，进行呼吸麻醉。" time="-1" icon="false" audio="Q009.mp3"></Action>
 						<Action type="CameraSwitch" nearPos="-0.18, 1.84, 1.22" nearRot="30.10, 139.14, 0.00" nearTime="0" normalPos="-0.18, 1.84, 1.22" normalRot="30.10, 139.14, 0.00" normalTime="0" isOn="normal" ></Action>
 
 						<Action type="HighLight"  deviceName="麻醉机插管未使用" isHigh="true" color="0,255,0,255"></Action>
@@ -1679,7 +1679,7 @@
 						<Action type="Show" deviceName="麻醉机插管未使用"  isShow="false"></Action>
 						<Action type="Show" deviceName="麻醉机插管"  isShow="true"></Action>
 
-						<Action type="Hint" value="用保定绳保定四肢" time="-1" icon="false" audio="Q010.mp3"></Action>
+						<Action type="Hint" value="用保定绳保定四肢。" time="-1" icon="false" audio="Q010.mp3"></Action>
 						<Action type="CameraSwitch" nearPos="-3.33, 1.50, -2.93" nearRot="50.40, 179.63, 0.00" nearTime="0" normalPos="-0.65, 2.27, 1.14" normalRot="31.40, 180.14, 0.00" normalTime="0" isOn="normal" ></Action>
 
 						<Action type="HighLight"  deviceName="保定绳" isHigh="true" color="0,255,0,255"></Action>
@@ -2169,7 +2169,7 @@
 					<Action type="Sequence">
 
 						<Action type="CameraSwitch" normalPos="-0.65, 2.27, 1.14" normalRot="31.40, 180.14, 0.00" nearPos="-0.40, 1.78, 0.22" nearRot="60.00, 179.79, 0.00" ></Action>
-						<Action type="Hint" value="脐前腹中线切口，手术刀切开皮肤" time="-1" icon="false" audio="Q019.mp3"></Action>
+						<Action type="Hint" value="脐前腹中线切口，手术刀切开皮肤。" time="-1" icon="false" audio="Q019.mp3"></Action>
 
 
 						<!--48-->
@@ -2219,7 +2219,7 @@
 						<!--50-->
 						<!--主刀手持无尺镊，提起肌肉-->
 						<Action type="CameraSwitch" normalPos="-0.69, 2.24, 0.48" normalRot="60.00, 179.84, 0.00" nearPos="-0.60, 1.64, 0.00" nearRot="56.95, 89.69, 0.00" ></Action>
-						<Action type="Hint" value="用手术刀在腹白线上切开一小口，向左向右，依次剪开腹白线" time="-1" icon="false" audio="Q021.mp3"></Action>
+						<Action type="Hint" value="主刀人员和第一助手同时提起腹白线两边，用手术刀在腹白线上切开一小口，向左向右，依次剪开腹白线。" time="-1" icon="false" audio="Q021.mp3"></Action>
 
 
 						<Action type="Point3DQuestion">
@@ -2375,7 +2375,7 @@
 					<Action type="Sequence">
 
 						<Action type="CameraSwitch" normalPos="-0.69, 2.24, 0.48" normalRot="60.00, 179.84, 0.00" nearPos="-1.07, 1.59, 0.04" nearRot="50.17, 269.17, 0.00" ></Action>
-						<Action type="Hint" value="用弯拉钩将切口端拉开，暴露手术视野" time="-1" icon="false" audio="Q022.mp3"></Action>
+						<Action type="Hint" value="用弯拉钩将切口端拉开，暴露手术视野。" time="-1" icon="false" audio="Q022.mp3"></Action>
 
 						<Action type="HighLight"   deviceName="S拉钩" isHigh="true" color="0,255,0,255"></Action>
 						<Condition type="ObjClick" deviceName="S拉钩"></Condition>
@@ -2401,7 +2401,7 @@
 
 						<!--56  点击无齿海绵钳-->
 						<Action type="CameraSwitch" normalPos="-0.69, 2.24, 0.48" normalRot="60.00, 179.84, 0.00" nearPos="-1.07, 1.59, 0.04" nearRot="50.17, 269.17, 0.00" ></Action>
-						<Action type="Hint" value="用无齿海绵钳将大网膜轻轻拨动到上方，充分暴露腹腔脏器" time="-1" icon="false" audio="Q023.mp3"></Action>
+						<Action type="Hint" value="用无齿海绵钳将大网膜轻轻拨动到上方，充分暴露腹腔脏器。" time="-1" icon="false" audio="Q023.mp3"></Action>
 
 						<Action type="HighLight"    deviceName="无齿海绵钳" isHigh="true" color="0,255,0,255"></Action>
 						<Condition type="ObjClick"  deviceName="无齿海绵钳"></Condition>
@@ -2649,7 +2649,7 @@
 
 						<Action type="CameraSwitch" normalPos="-0.60, 1.64, 0.00" normalRot="56.95, 89.69, 0.00" nearPos="-0.49, 1.52, -0.06" nearRot="60.00, 92.79, 0.00" ></Action>
 
-						<Action type="Hint" value="用组织剪沿着血管外侧，呈“扇形”切开肠系膜。" time="-1" icon="false" audio="Q031.mp3"></Action>
+						<Action type="Hint" value="用止血钳钝性分离肠系膜。" time="-1" icon="false" audio="Q031.mp3"></Action>
 
 						<Action type="Show" value="Models/shanxing/shanxing01"  isShow="true" isDevice="false"></Action>
 						<Action type="HighLight" value="Models/shanxing/shanxing01" isHigh="true" color="0,255,0,255"></Action>
@@ -3114,7 +3114,7 @@
 						<Action type="TimeLine" value="Models/CZ_FengXian_Timeline" isShow="true" frame="0" endFrame="1" isWait="true"></Action>
 
 
-						<Action type="Hint" value="在距离肠管断端两侧处，各做一个牵引线打结并用止血钳钳夹" time="-1" icon="true" audio="Q037.mp3"></Action>
+						<Action type="Hint" value="在距离肠管断端两侧处，各做一个牵引线打结并用止血钳钳夹。" time="-1" icon="true" audio="Q037.mp3"></Action>
 						<Action type="Point3DQuestion">
 							<Data name="78-1" position="-0.4205,1.36449,-0.07598" rotate="0,0,0" scale="0.008,0.008,0.008" rotateSpeed="180" clickEvent="1"></Data>
 						</Action>
@@ -3126,7 +3126,7 @@
 
 						<!--79-->
 						<Action type="CameraSwitch" normalPos="-0.39, 1.48, -0.12" normalRot="60.00, 359.29, 0.00" nearPos="-0.39, 1.48, -0.12" nearRot="60.00, 359.29, 0.00" ></Action>
-						<Action type="Hint" value="用3号线间断全层缝合肠管后壁，针距保持为2-3mm" time="-1" icon="true" audio="Q038.mp3"></Action>
+						<Action type="Hint" value="用3号线间断全层缝合肠管后壁，针距保持为2-3mm。" time="-1" icon="true" audio="Q038.mp3"></Action>
 						<Action type="Point3DQuestion">
 							<Data name="79-1" position="-0.41673,1.37623,-0.07989" rotate="90,0,0" scale="0.005,0.005,0.005" rotateSpeed="180" clickEvent="1"></Data>
 						</Action>
@@ -3147,7 +3147,7 @@
 						<Action type="TimeLine" value="Models/CZ_FengXian_Timeline" isShow="true" frame="535" endFrame="639"></Action>
 
 						<!--81-->
-						<Action type="Hint" value="再将两端肠系膜进行间断缝合" time="-1" icon="true" audio="Q039.mp3"></Action>
+						<Action type="Hint" value="再将两端肠系膜进行间断缝合。" time="-1" icon="true" audio="Q039.mp3"></Action>
 
 
 						<Action type="CameraSwitch" normalPos="-0.49, 1.52, -0.06" normalRot="60.00, 92.79, 0.00" nearPos="-0.49, 1.52, -0.06" nearRot="60.00, 92.79, 0.00" ></Action>