默认颜色跟随系统

ADHTuanCan/Class/登录/启动页/view/Base.lproj/StartView.xib

@@ -77,7 +77,7 @@
                             </connections>
                         </button>
                     </subviews>
-                    <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+                    <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
                     <constraints>
                         <constraint firstItem="48b-Cd-ray" firstAttribute="width" secondItem="nDC-ZD-EYb" secondAttribute="width" multiplier="1.12791" id="0oy-jq-Xl0"/>
                         <constraint firstItem="R9N-mR-D03" firstAttribute="leading" secondItem="Gs7-mu-8VI" secondAttribute="leading" constant="24" id="2ho-bM-yTh"/>

ADHTuanCan/Class/购物车/view/Base.lproj/ADHAlertView.xib

@@ -23,7 +23,7 @@
                         <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="确定要清空菜品吗？" textAlignment="center" lineBreakMode="tailTruncation" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="mJQ-yR-i04">
                             <rect key="frame" x="10" y="35" width="323" height="19.333333333333329"/>
                             <fontDescription key="fontDescription" type="system" pointSize="16"/>
-                            <nil key="textColor"/>
+                            <color key="textColor" white="0.0" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
                             <nil key="highlightedColor"/>
                         </label>
                         <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="5Jg-uS-2em">