diff --git a/Data/Xml/Study.xml b/Data/Xml/Study.xml
index 9ffbf795..d1bf0b02 100644
--- a/Data/Xml/Study.xml
+++ b/Data/Xml/Study.xml
@@ -945,8 +945,8 @@
 
 
 						<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="30.16413,1.719124,-0.08424102" normalRot="30.7782,291.4205,9.937369E-07" normalTime="0" isOn="normal"></Action>
 
+						<Action type="CameraSwitch" normalPos="30.11, 1.93, 0.11" normalRot="34.23, 280.82, 0.00" normalTime="0" isOn="normal"></Action>
 
 						<Action type="HighLight"  deviceName="水龙头" isHigh="true" color="0,255,0,255"></Action>
 						<Condition type="ObjClick" deviceName="水龙头"></Condition>
@@ -966,7 +966,7 @@
 
 
 
-						<Action type="CameraSwitch" normalPos="-5.890013,1.901858,-1.558588" normalRot="25.04168,155.6833,-4.711775E-07" normalTime="0" isOn="normal"></Action>
+						<Action type="CameraSwitch" normalPos="-5.30, 1.92, -1.99" normalRot="20.29, 180.28, 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>
 
 
@@ -1147,7 +1147,7 @@
 
 
 						<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="CameraSwitch" normalPos="30.16413,1.719124,-0.08424102" normalRot="30.7782,291.4205,9.937369E-07" normalTime="0" isOn="normal"></Action>
+						<Action type="CameraSwitch" normalPos="30.11, 1.93, 0.11" normalRot="34.23, 280.82, 0.00" normalTime="0" isOn="normal"></Action>
 
 
 						<Action type="HighLight"  deviceName="水龙头" isHigh="true" color="0,255,0,255"></Action>
@@ -1164,11 +1164,11 @@
 
 
 
-						<Action type="TimeLine" value="Models/ZhuDao_chaunyifu"   frame="1621" endFrame="1850" isShow="true" isWait="true"></Action>
+						<Action type="TimeLine" value="Models/ZhuDao_chaunyifu"   frame="1621" endFrame="1851" isShow="true" isWait="true"></Action>
 
 
 
-						<Action type="CameraSwitch" normalPos="-5.890013,1.901858,-1.558588" normalRot="25.04168,155.6833,-4.711775E-07" normalTime="0" isOn="normal"></Action>
+						<Action type="CameraSwitch" normalPos="-5.30, 1.92, -1.99" normalRot="20.29, 180.28, 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>
 
 
@@ -1325,7 +1325,7 @@
 						<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="CameraSwitch" normalPos="30.16413,1.719124,-0.08424102" normalRot="30.7782,291.4205,9.937369E-07" normalTime="0" isOn="normal"></Action>
+						<Action type="CameraSwitch" normalPos="30.11, 1.93, 0.11" normalRot="34.23, 280.82, 0.00" normalTime="0" isOn="normal"></Action>
 
 						<Action type="HighLight"  deviceName="水龙头" isHigh="true" color="0,255,0,255"></Action>
 						<Condition type="ObjClick" deviceName="水龙头"></Condition>
@@ -1419,7 +1419,7 @@
 						<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="CameraSwitch" normalPos="30.16413,1.719124,-0.08424102" normalRot="30.7782,291.4205,9.937369E-07" normalTime="0" isOn="normal"></Action>
+						<Action type="CameraSwitch" normalPos="30.11, 1.93, 0.11" normalRot="34.23, 280.82, 0.00" normalTime="0" isOn="normal"></Action>
 
 						<Action type="HighLight"  deviceName="水龙头" isHigh="true" color="0,255,0,255"></Action>
 						<Condition type="ObjClick" deviceName="水龙头"></Condition>
@@ -1493,7 +1493,6 @@
 						<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"  deviceName="麻醉注射器" isHigh="true" color="0,255,0,255"></Action>
 
-						<Action type="CameraSwitch" nearPos="-0.84, 2.18, 0.00" nearRot="37.03, 88.74, 0.00" nearTime="0" normalPos="-0.53, 1.53, 1.67" normalRot="12.78, 145.64, 0.00" normalTime="0" isOn="normal" ></Action>
 
 						<Condition type="ObjClick" deviceName="麻醉注射器"></Condition>
 
@@ -1502,6 +1501,7 @@
 
 
 						<Action type="TimeLine" value="Models/39MaZui" frame="0" endFrame="59"  isShow="true"  isWait="true"></Action>
+						<Action type="CameraSwitch" normalPos="-0.11, 1.73, 1.71" normalRot="18.38, 186.74, 0.00" nearPos="-0.11, 1.73, 1.71" nearRot="18.38, 186.74, 0.00" normalTime="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>
 
@@ -1711,7 +1711,7 @@
 						<Condition type="ObjClick"  deviceName="刀片"></Condition>
 						<Action type="HighLight"    deviceName="刀片" isHigh="false" color="0,255,0,255"></Action>
 
-						<Action type="CameraSwitch" nearPos="-0.40, 1.78, 0.22" nearRot="60.00, 179.79, 0.00" nearTime="0" normalPos="-0.65, 2.27, 1.14" normalRot="31.40, 180.14, 0.00" normalTime="0" ></Action>
+						<Action type="CameraSwitch" nearPos="-0.87, 1.83, -0.07" nearRot="38.25, 92.84, 0.00" nearTime="0" normalPos="-0.65, 2.27, 1.14" normalRot="31.40, 180.14, 0.00" normalTime="0" ></Action>
 
 						<Action type="Show" value="Models/daopian"  isShow="true"></Action>
 
@@ -2385,7 +2385,7 @@
 						<Action type="HighLight"  deviceName="弯止血钳" isHigh="false" color="0,255,0,255"></Action>
 
 
-						<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="CameraSwitch" normalPos="-0.69, 2.24, 0.48" normalRot="60.00, 179.84, 0.00" nearPos="-0.50, 1.51, -0.03" nearRot="59.75, 89.99, 0.00" ></Action>
 
 
 						<Action type="Show" value="Models/60wanzhixueqian"  isShow="true" ></Action>
@@ -2408,7 +2408,7 @@
 						<Condition type="ObjClick" deviceName="弯止血钳" isRight="true"></Condition>
 						<Action type="HighLight"  deviceName="弯止血钳" isHigh="false" color="0,255,0,255"></Action>
 
-						<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="CameraSwitch" normalPos="-0.69, 2.24, 0.48" normalRot="60.00, 179.84, 0.00" nearPos="-0.50, 1.51, -0.03" nearRot="59.75, 89.99, 0.00" ></Action>
 
 						<Action type="Show" value="Models/wanzhixueqian"  isShow="true" ></Action>
 						<Action type="Anim" value="Models/zhudao"  animName="61zhudao"  frame="0"></Action>
@@ -2424,7 +2424,7 @@
 
 						<!--62  点击范围，显示结扎物体及动画,目前只有（无动画的）结扎物体-->
 
-						<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="CameraSwitch" normalPos="-0.60, 1.64, 0.00" normalRot="56.95, 89.69, 0.00" nearPos="-0.50, 1.51, -0.03" nearRot="59.75, 89.99, 0.00" ></Action>
 						<Action type="Hint" value="用2号线先结扎保留侧血管的远心端，再结扎近心端。" time="-1" icon="false" audio="Q029.mp3"></Action>
 
 
@@ -2471,6 +2471,7 @@
 
 
 
+						<Action type="CameraSwitch" normalPos="-0.60, 1.64, 0.00" normalRot="56.95, 89.69, 0.00" nearPos="-0.50, 1.51, -0.03" nearRot="59.75, 89.99, 0.00" ></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="Point3DQuestion">
@@ -2529,7 +2530,7 @@
 						<Action type="HighLight"   deviceName="肠钳" isHigh="false" color="0,255,0,255"></Action>
 
 
-						<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="CameraSwitch" normalPos="-0.69, 2.24, 0.48" normalRot="60.00, 179.84, 0.00" nearPos="-0.50, 1.51, -0.03" nearRot="59.75, 89.99, 0.00" ></Action>
 
 
 						<Action type="Show" value="Models/69changqian"  isShow="true" isDevice="false"></Action>
@@ -2567,13 +2568,12 @@
 						<Condition type="ObjClick" deviceName="手术刀柄3号" isRight="true"></Condition>
 						<Action type="HighLight"  deviceName="手术刀柄3号" isHigh="false" color="0,255,0,255"></Action>
 
-						<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="CameraSwitch" normalPos="-0.69, 2.24, 0.48" normalRot="60.00, 179.84, 0.00" nearPos="-0.50, 1.51, -0.03" nearRot="59.75, 89.99, 0.00" ></Action>
 						<Action type="Show" value="Models/71shoushudao"  isShow="true" isDevice="false"></Action>
 						<Action type="Anim" value="Models/zhudao" animName="71zhudao"  frame="0"></Action>
 
 						<!--71,左侧肠钳内侧，-->
 
-						<Action type="CameraSwitch" normalPos="-0.60, 1.64, 0.00" normalRot="56.95, 89.69, 0.00" nearPos="-0.60, 1.64, 0.00" nearRot="56.95, 89.69, 0.00" ></Action>
 						<Action type="Hint" value="用手术刀紧贴肠钳切除肠管。" time="-1" icon="false" ></Action>
 
 						<Action type="Point3DQuestion">
@@ -2592,8 +2592,6 @@
 
 						<!--72,右侧肠钳内侧，直接播放动画-->
 
-						<Action type="CameraSwitch" normalPos="-0.60, 1.64, 0.00" normalRot="56.95, 89.69, 0.00" nearPos="-0.60, 1.64, 0.00" nearRot="56.95, 89.69, 0.00" ></Action>
-
 						<Action type="Point3DQuestion">
 							<Data name="72-1" position="-0.42572,1.37626,-0.07819" rotate="90,0,0" scale="0.008,0.008,0.008" rotateSpeed="180" clickEvent="1"></Data>
 						</Action>
@@ -2963,13 +2961,13 @@
 
 
 						<!--82-->
-						<Action type="CameraSwitch" normalPos="-0.65, 2.27, 1.14" normalRot="31.40, 180.14, 0.00" nearPos="-3.33, 1.50, -2.93" nearRot="50.40, 179.63, 0.00" ></Action>
+						<Action type="CameraSwitch" normalPos="-0.65, 1.87, 0.41" normalRot="37.35, 179.09, 0.00" nearPos="-3.33, 1.50, -2.93" nearRot="50.40, 179.63, 0.00" ></Action>
 						<Action type="Hint" value="用5ML注射器注入生理盐水，观察缝合部位是否漏水。如有漏水，找出漏水部位并缝合。" time="-1" icon="true" audio="Q041.mp3"></Action>
 
 						<Action type="HighLight"   deviceName="一次性注射器" isHigh="true" color="0,255,0,255" isIndependent="true"></Action>
 						<Condition type="ObjClick"   deviceName="一次性注射器" ></Condition>
 						<Action type="HighLight"  deviceName="一次性注射器" isHigh="false" color="0,255,0,255" isIndependent="true"></Action>
-						<Action type="CameraSwitch" normalPos="-0.65, 2.27, 1.14" normalRot="31.40, 180.14, 0.00" nearPos="-0.60, 1.64, 0.00" nearRot="56.95, 89.69, 0.00" ></Action>
+						<Action type="CameraSwitch" normalPos="-0.65, 1.87, 0.41" normalRot="37.35, 179.09, 0.00" nearPos="-0.60, 1.64, 0.00" nearRot="56.95, 89.69, 0.00" ></Action>
 
 						<Action type="Show" value="Models/CZ_FengXian_Timeline"  isShow="false"></Action>
 						<Action type="Show" value="Models/82changzi"  isShow="true"></Action>
@@ -2995,13 +2993,13 @@
 
 						<Action type="Show" value="Models/82changqian"  isShow="false"></Action>
 
-						<Action type="CameraSwitch" normalPos="-0.65, 2.27, 1.14" normalRot="31.40, 180.14, 0.00" nearPos="-3.33, 1.50, -2.93" nearRot="50.40, 179.63, 0.00" ></Action>
+						<Action type="CameraSwitch" normalPos="-0.65, 1.87, 0.41" normalRot="37.35, 179.09, 0.00" nearPos="-3.33, 1.50, -2.93" nearRot="50.40, 179.63, 0.00" ></Action>
 						<Action type="Hint" value="用生理盐水将肠管外面冲洗干净。之后再将肠管放回腹腔内。" time="-1" icon="true" audio="Q046.mp3"></Action>
 
 						<Action type="HighLight"   deviceName="一次性注射器" isHigh="true" color="0,255,0,255" isIndependent="true"></Action>
 						<Condition type="ObjClick"   deviceName="一次性注射器" ></Condition>
 						<Action type="HighLight"  deviceName="一次性注射器" isHigh="false" color="0,255,0,255" isIndependent="true"></Action>
-						<Action type="CameraSwitch" normalPos="-0.65, 2.27, 1.14" normalRot="31.40, 180.14, 0.00" nearPos="-0.60, 1.64, 0.00" nearRot="56.95, 89.69, 0.00" ></Action>
+						<Action type="CameraSwitch" normalPos="-0.65, 1.87, 0.41" normalRot="37.35, 179.09, 0.00" nearPos="-0.60, 1.64, 0.00" nearRot="56.95, 89.69, 0.00" ></Action>
 
 
 
@@ -3134,7 +3132,7 @@
 
 						<Action type="Hint" value="由里到外逐层缝合，连续缝合肌肉腹膜，十字缝合脂肪，结节缝合皮肤，关腹。" time="-1" icon="true" audio="Q043.mp3"></Action>
 
-						<Action type="CameraSwitch" normalPos="-0.38, 1.55, 0.09" normalRot="60.00, 181.64, 0.00" nearPos="-0.38, 1.55, 0.09" nearRot="60.00, 181.64, 0.00" ></Action>
+						<Action type="CameraSwitch" normalPos="-0.38, 1.55, 0.09" normalRot="60.00, 181.64, 0.00" nearPos="-0.40, 1.59, 0.09" nearRot="60.00, 182.84, 0.00" ></Action>
 
 						<Action type="Parallel">
 							<Action type="Show" value="Models/zhudao"  isShow="false"></Action>
@@ -3171,7 +3169,6 @@
 
 						<!--85-->
 
-						<Action type="CameraSwitch" normalPos="-0.38, 1.55, 0.09" normalRot="60.00, 181.64, 0.00" nearPos="-0.38, 1.55, 0.09" nearRot="60.00, 181.64, 0.00" ></Action>
 
 						<Action type="Point3DQuestion">
 							<Data name="85-1" position="-0.4683,1.3525,-0.01927" rotate="90,0,0" scale="0.02,0.02,0.02" rotateSpeed="180" clickEvent="1"></Data>
@@ -3189,7 +3186,6 @@
 						<Action type="TimeLine" value="Models/FengHe" isShow="true" frame="514" endFrame="534"></Action>
 
 						<!--86-->
-						<Action type="CameraSwitch" normalPos="-0.38, 1.55, 0.09" normalRot="60.00, 181.64, 0.00" nearPos="-0.38, 1.55, 0.09" nearRot="60.00, 181.64, 0.00" ></Action>
 						<Action type="Point3DQuestion">
 							<Data name="86-1" position="-0.4685,1.3525,-0.01872" rotate="90,0,0" scale="0.02,0.02,0.02" rotateSpeed="180" clickEvent="1" order="-1"></Data>
 						</Action>
@@ -3205,7 +3201,6 @@
 						<Action type="TimeLine" value="Models/FengHe" isShow="true" frame="686" endFrame="716"></Action>
 
 						<!--87-->
-						<Action type="CameraSwitch" normalPos="-0.38, 1.55, 0.09" normalRot="60.00, 181.64, 0.00" nearPos="-0.38, 1.55, 0.09" nearRot="60.00, 181.64, 0.00" ></Action>
 						<Action type="Point3DQuestion">
 							<Data name="87-1" position="-0.3859,1.3569,-0.0246" rotate="90,0,0" scale="0.02,0.02,0.02" rotateSpeed="180" clickEvent="1" order="-1"></Data>
 						</Action>