修改项说明：

Lighting/LearningCenter.storyboard

@@ -5,76 +5,18 @@
     </dependencies>
     <scenes>
         <!--View Controller-->
-        <scene sceneID="EAB-tP-ufR">
+        <scene sceneID="DCh-j5-vEB">
             <objects>
-                <viewController id="Wsa-lr-3Yi" sceneMemberID="viewController">
-                    <view key="view" contentMode="scaleToFill" id="grG-rS-d1s">
+                <viewController id="k1g-EN-ftK" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="7WD-J5-yzU">
                         <rect key="frame" x="0.0" y="0.0" width="768" height="1024"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
                     </view>
                 </viewController>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="04o-Xi-sbn" userLabel="First Responder" sceneMemberID="firstResponder"/>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="NIX-mE-QvS" userLabel="First Responder" sceneMemberID="firstResponder"/>
             </objects>
-            <point key="canvasLocation" x="3067" y="9229"/>
-        </scene>
-        <!--Root View Controller-->
-        <scene sceneID="TB4-O7-YXl">
-            <objects>
-                <tableViewController clearsSelectionOnViewWillAppear="NO" id="Idu-Ob-bwA" sceneMemberID="viewController">
-                    <tableView key="view" clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="44" sectionHeaderHeight="28" sectionFooterHeight="28" id="G25-FO-k71">
-                        <rect key="frame" x="0.0" y="0.0" width="320" height="1024"/>
-                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
-                        <prototypes>
-                            <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="default" indentationWidth="10" id="VJT-Rd-MME">
-                                <rect key="frame" x="0.0" y="92" width="320" height="44"/>
-                                <autoresizingMask key="autoresizingMask"/>
-                                <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="VJT-Rd-MME" id="g4b-Qx-OOB">
-                                    <rect key="frame" x="0.0" y="0.0" width="320" height="43.5"/>
-                                    <autoresizingMask key="autoresizingMask"/>
-                                </tableViewCellContentView>
-                            </tableViewCell>
-                        </prototypes>
-                        <connections>
-                            <outlet property="dataSource" destination="Idu-Ob-bwA" id="0UP-GV-2Ee"/>
-                            <outlet property="delegate" destination="Idu-Ob-bwA" id="8RK-Tb-mH1"/>
-                        </connections>
-                    </tableView>
-                    <navigationItem key="navigationItem" title="Root View Controller" id="n6B-pr-5vV"/>
-                </tableViewController>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="N5L-HQ-Hih" userLabel="First Responder" sceneMemberID="firstResponder"/>
-            </objects>
-            <point key="canvasLocation" x="3383" y="8144"/>
-        </scene>
-        <!--Navigation Controller-->
-        <scene sceneID="SW4-cb-AAR">
-            <objects>
-                <navigationController id="7QR-zR-DF5" sceneMemberID="viewController">
-                    <navigationBar key="navigationBar" contentMode="scaleToFill" id="Shh-gx-xgD">
-                        <rect key="frame" x="0.0" y="0.0" width="768" height="44"/>
-                        <autoresizingMask key="autoresizingMask"/>
-                    </navigationBar>
-                    <connections>
-                        <segue destination="Idu-Ob-bwA" kind="relationship" relationship="rootViewController" id="26v-8l-EIa"/>
-                    </connections>
-                </navigationController>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="qO8-6c-v1H" userLabel="First Responder" sceneMemberID="firstResponder"/>
-            </objects>
-            <point key="canvasLocation" x="2843" y="8144"/>
-        </scene>
-        <!--Split View Controller-->
-        <scene sceneID="AkK-S4-k4Z">
-            <objects>
-                <splitViewController id="fET-6x-pSQ" sceneMemberID="viewController">
-                    <connections>
-                        <segue destination="7QR-zR-DF5" kind="relationship" relationship="masterViewController" id="7lT-yi-zeA"/>
-                        <segue destination="Wsa-lr-3Yi" kind="relationship" relationship="detailViewController" id="hM1-H4-ekL"/>
-                    </connections>
-                </splitViewController>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="0mb-vm-dDh" userLabel="First Responder" sceneMemberID="firstResponder"/>
-            </objects>
-            <point key="canvasLocation" x="2079" y="8687"/>
+            <point key="canvasLocation" x="3370" y="9293"/>
         </scene>
     </scenes>
 </document>