diff --git a/src_all/demos/MobileIMSDK4iDemo/MobileIMSDK4iDemo.xcodeproj/project.xcworkspace/xcuserdata/jackjiang.xcuserdatad/UserInterfaceState.xcuserstate b/src_all/demos/MobileIMSDK4iDemo/MobileIMSDK4iDemo.xcodeproj/project.xcworkspace/xcuserdata/jackjiang.xcuserdatad/UserInterfaceState.xcuserstate
index 96716262..bb195ca5 100755
Binary files a/src_all/demos/MobileIMSDK4iDemo/MobileIMSDK4iDemo.xcodeproj/project.xcworkspace/xcuserdata/jackjiang.xcuserdatad/UserInterfaceState.xcuserstate and b/src_all/demos/MobileIMSDK4iDemo/MobileIMSDK4iDemo.xcodeproj/project.xcworkspace/xcuserdata/jackjiang.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/src_all/demos/MobileIMSDK4iDemo/MobileIMSDK4iDemo/Base.lproj/LaunchScreen.xib b/src_all/demos/MobileIMSDK4iDemo/MobileIMSDK4iDemo/Base.lproj/LaunchScreen.xib
index 8cc8677e..4600de07 100755
--- a/src_all/demos/MobileIMSDK4iDemo/MobileIMSDK4iDemo/Base.lproj/LaunchScreen.xib
+++ b/src_all/demos/MobileIMSDK4iDemo/MobileIMSDK4iDemo/Base.lproj/LaunchScreen.xib
@@ -1,8 +1,12 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="9059" systemVersion="15B42" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="11762" systemVersion="15G31" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" colorMatched="YES">
+    <device id="retina4_0" orientation="portrait">
+        <adaptation id="fullscreen"/>
+    </device>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9049"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11757"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <objects>
         <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
@@ -13,48 +17,60 @@
             <subviews>
                 <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="srart_bg.jpg" translatesAutoresizingMaskIntoConstraints="NO" id="5v1-wk-Bre">
                     <rect key="frame" x="0.0" y="0.0" width="320" height="568"/>
-                    <animations/>
                 </imageView>
-                <view contentMode="scaleToFill" ambiguous="YES" misplaced="YES" translatesAutoresizingMaskIntoConstraints="NO" id="69b-q1-tWX" userLabel="header">
-                    <rect key="frame" x="0.0" y="69" width="321" height="194"/>
+                <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="69b-q1-tWX" userLabel="header">
+                    <rect key="frame" x="0.0" y="69" width="320" height="194"/>
                     <subviews>
-                        <imageView userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" ambiguous="YES" misplaced="YES" image="logo_img.png" translatesAutoresizingMaskIntoConstraints="NO" id="rur-Kp-hPb">
+                        <imageView userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="logo_img.png" translatesAutoresizingMaskIntoConstraints="NO" id="rur-Kp-hPb">
                             <rect key="frame" x="59" y="20" width="203" height="165"/>
-                            <animations/>
+                            <constraints>
+                                <constraint firstAttribute="height" constant="165" id="lzq-0w-unE"/>
+                                <constraint firstAttribute="width" constant="203" id="qNo-c0-3EN"/>
+                            </constraints>
                         </imageView>
                     </subviews>
-                    <animations/>
-                    <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="calibratedWhite"/>
+                    <color key="backgroundColor" red="0.0" green="0.0" blue="0.0" alpha="0.0" colorSpace="custom" customColorSpace="sRGB"/>
                     <constraints>
-                        <constraint firstItem="rur-Kp-hPb" firstAttribute="centerX" secondItem="69b-q1-tWX" secondAttribute="centerX" id="xIg-dX-9FH"/>
+                        <constraint firstAttribute="height" constant="194" id="66w-gv-ITM"/>
+                        <constraint firstItem="rur-Kp-hPb" firstAttribute="top" secondItem="69b-q1-tWX" secondAttribute="top" constant="20" id="DRI-aN-Tan"/>
+                        <constraint firstItem="rur-Kp-hPb" firstAttribute="centerX" secondItem="69b-q1-tWX" secondAttribute="centerX" id="ghH-j3-kLH"/>
                     </constraints>
                 </view>
-                <view contentMode="scaleToFill" ambiguous="YES" misplaced="YES" translatesAutoresizingMaskIntoConstraints="NO" id="P3Z-qU-eK0" userLabel="copyright">
+                <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="P3Z-qU-eK0" userLabel="copyright">
                     <rect key="frame" x="0.0" y="515" width="320" height="34"/>
                     <subviews>
-                        <imageView userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" image="copyright_img.png" translatesAutoresizingMaskIntoConstraints="NO" id="3vY-9T-Mkr">
-                            <rect key="frame" x="60" y="0.0" width="194" height="34"/>
-                            <animations/>
+                        <imageView userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="copyright_img.png" translatesAutoresizingMaskIntoConstraints="NO" id="3vY-9T-Mkr">
+                            <rect key="frame" x="63" y="0.0" width="194" height="34"/>
+                            <constraints>
+                                <constraint firstAttribute="height" constant="34" id="WNp-kn-JKa"/>
+                                <constraint firstAttribute="width" constant="194" id="Y6D-GD-HLM"/>
+                            </constraints>
                         </imageView>
                     </subviews>
-                    <animations/>
-                    <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="calibratedWhite"/>
+                    <color key="backgroundColor" red="0.0" green="0.0" blue="0.0" alpha="0.0" colorSpace="custom" customColorSpace="sRGB"/>
+                    <constraints>
+                        <constraint firstItem="3vY-9T-Mkr" firstAttribute="centerX" secondItem="P3Z-qU-eK0" secondAttribute="centerX" id="ILE-rx-X1d"/>
+                        <constraint firstItem="3vY-9T-Mkr" firstAttribute="top" secondItem="P3Z-qU-eK0" secondAttribute="top" id="d8c-Q5-do4"/>
+                        <constraint firstAttribute="height" constant="34" id="dLG-G9-2VF"/>
+                    </constraints>
                 </view>
             </subviews>
-            <animations/>
-            <color key="backgroundColor" white="0.1685763888888889" alpha="1" colorSpace="calibratedWhite"/>
+            <color key="backgroundColor" red="0.16857638955116272" green="0.16857638955116272" blue="0.16857638955116272" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
             <constraints>
-                <constraint firstItem="5v1-wk-Bre" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" id="GKZ-Kp-nnd"/>
-                <constraint firstItem="P3Z-qU-eK0" firstAttribute="centerX" secondItem="iN0-l3-epB" secondAttribute="centerX" id="PuB-W6-91t"/>
-                <constraint firstAttribute="bottom" secondItem="P3Z-qU-eK0" secondAttribute="bottom" constant="19" id="QnF-aa-Dfo"/>
-                <constraint firstAttribute="bottom" secondItem="P3Z-qU-eK0" secondAttribute="bottom" constant="19" id="Sel-xs-x0E"/>
-                <constraint firstItem="5v1-wk-Bre" firstAttribute="top" secondItem="iN0-l3-epB" secondAttribute="top" id="d6G-9h-mgh"/>
-                <constraint firstAttribute="bottom" secondItem="5v1-wk-Bre" secondAttribute="bottom" id="htn-R8-Kjh"/>
-                <constraint firstItem="69b-q1-tWX" firstAttribute="centerX" secondItem="iN0-l3-epB" secondAttribute="centerX" id="lpi-Ex-CDV"/>
-                <constraint firstAttribute="trailing" secondItem="5v1-wk-Bre" secondAttribute="trailing" id="pWg-fA-6oC"/>
+                <constraint firstItem="69b-q1-tWX" firstAttribute="top" secondItem="iN0-l3-epB" secondAttribute="top" constant="69" id="5La-9R-l3u"/>
+                <constraint firstItem="P3Z-qU-eK0" firstAttribute="centerX" secondItem="iN0-l3-epB" secondAttribute="centerX" id="7jz-uq-9I6"/>
+                <constraint firstItem="69b-q1-tWX" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" id="Axy-AX-9bI"/>
+                <constraint firstAttribute="bottom" secondItem="P3Z-qU-eK0" secondAttribute="bottom" constant="19" id="CWH-tJ-aui"/>
+                <constraint firstItem="5v1-wk-Bre" firstAttribute="top" secondItem="iN0-l3-epB" secondAttribute="top" id="E9G-zZ-QIA"/>
+                <constraint firstItem="69b-q1-tWX" firstAttribute="centerX" secondItem="iN0-l3-epB" secondAttribute="centerX" id="RKu-Pc-Me4"/>
+                <constraint firstAttribute="bottom" secondItem="5v1-wk-Bre" secondAttribute="bottom" id="W6a-ad-34H"/>
+                <constraint firstAttribute="trailing" secondItem="P3Z-qU-eK0" secondAttribute="trailing" id="WYB-kR-07N"/>
+                <constraint firstItem="P3Z-qU-eK0" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" id="eBA-zQ-bja"/>
+                <constraint firstAttribute="trailing" secondItem="69b-q1-tWX" secondAttribute="trailing" id="hCj-Vz-y9B"/>
+                <constraint firstAttribute="trailing" secondItem="5v1-wk-Bre" secondAttribute="trailing" id="kPE-qc-BMo"/>
+                <constraint firstItem="5v1-wk-Bre" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" id="ywG-EJ-3o9"/>
             </constraints>
             <nil key="simulatedStatusBarMetrics"/>
-            <simulatedScreenMetrics key="simulatedDestinationMetrics" type="retina4"/>
             <point key="canvasLocation" x="22" y="222"/>
         </view>
     </objects>
diff --git a/src_all/demos/MobileIMSDK4iDemo/MobileIMSDK4iDemo/Info.plist b/src_all/demos/MobileIMSDK4iDemo/MobileIMSDK4iDemo/Info.plist
index a7105c04..a5690360 100755
--- a/src_all/demos/MobileIMSDK4iDemo/MobileIMSDK4iDemo/Info.plist
+++ b/src_all/demos/MobileIMSDK4iDemo/MobileIMSDK4iDemo/Info.plist
@@ -19,11 +19,11 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>2.1.2</string>
+	<string>2.1.6</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>b151112.1</string>
+	<string>b151211.1</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
 	<key>UILaunchStoryboardName</key>
diff --git a/src_all/demos/MobileIMSDK4iDemo/MobileIMSDK4iDemo/LoginViewController.xib b/src_all/demos/MobileIMSDK4iDemo/MobileIMSDK4iDemo/LoginViewController.xib
index 47c0bdd3..917f8cdc 100755
--- a/src_all/demos/MobileIMSDK4iDemo/MobileIMSDK4iDemo/LoginViewController.xib
+++ b/src_all/demos/MobileIMSDK4iDemo/MobileIMSDK4iDemo/LoginViewController.xib
@@ -1,8 +1,12 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="9059" systemVersion="15B42" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="11762" systemVersion="15G31" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" colorMatched="YES">
+    <device id="retina4_0" orientation="portrait">
+        <adaptation id="fullscreen"/>
+    </device>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9049"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11757"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <objects>
         <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner" customClass="LoginViewController">
@@ -17,16 +21,16 @@
         </placeholder>
         <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
         <view clearsContextBeforeDrawing="NO" contentMode="scaleToFill" id="i5M-Pr-FkT" customClass="UIControl">
-            <rect key="frame" x="0.0" y="0.0" width="320" height="480"/>
+            <rect key="frame" x="0.0" y="0.0" width="320" height="568"/>
             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
             <subviews>
-                <view contentMode="scaleToFill" ambiguous="YES" misplaced="YES" translatesAutoresizingMaskIntoConstraints="NO" id="DsX-DK-Qk7" userLabel="[layout] login UI">
+                <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="DsX-DK-Qk7" userLabel="[layout] login UI">
                     <rect key="frame" x="20" y="0.0" width="280" height="157"/>
                     <subviews>
-                        <textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="left" contentVerticalAlignment="center" text="rbcore.openmob.net" borderStyle="roundedRect" placeholder="Domain or ip address #" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="WTR-Ew-UbY" userLabel="编辑框-ip">
+                        <textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="left" contentVerticalAlignment="center" text="rbcore.52im.net" borderStyle="roundedRect" placeholder="Domain or ip address #" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="WTR-Ew-UbY" userLabel="编辑框-ip">
                             <rect key="frame" x="0.0" y="20" width="196" height="30"/>
-                            <animations/>
-                            <color key="textColor" red="0.0" green="0.47843137250000001" blue="1" alpha="1" colorSpace="calibratedRGB"/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                            <color key="textColor" red="0.0" green="0.47843137250000001" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                             <fontDescription key="fontDescription" type="system" pointSize="14"/>
                             <textInputTraits key="textInputTraits" returnKeyType="done"/>
                             <connections>
@@ -35,15 +39,15 @@
                         </textField>
                         <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="：" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="9zM-5I-GHe" userLabel="port-separator">
                             <rect key="frame" x="202" y="24" width="15" height="21"/>
-                            <animations/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                             <fontDescription key="fontDescription" name="STHeitiSC-Medium" family="Heiti SC" pointSize="13"/>
-                            <color key="textColor" red="0.40000000600000002" green="0.40000000600000002" blue="0.40000000600000002" alpha="1" colorSpace="calibratedRGB"/>
+                            <color key="textColor" red="0.40000000600000002" green="0.40000000600000002" blue="0.40000000600000002" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                             <nil key="highlightedColor"/>
                         </label>
                         <textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="left" contentVerticalAlignment="center" text="7901" borderStyle="roundedRect" placeholder="Port #" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="xp2-z5-q3N" userLabel="文本框-port #">
                             <rect key="frame" x="214" y="20" width="66" height="30"/>
-                            <animations/>
-                            <color key="textColor" red="0.0" green="0.47843137250000001" blue="1" alpha="1" colorSpace="calibratedRGB"/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                            <color key="textColor" red="0.0" green="0.47843137250000001" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                             <fontDescription key="fontDescription" type="system" pointSize="14"/>
                             <textInputTraits key="textInputTraits" keyboardType="numberPad" returnKeyType="done"/>
                             <connections>
@@ -52,7 +56,7 @@
                         </textField>
                         <textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="left" contentVerticalAlignment="center" borderStyle="roundedRect" placeholder="登陆用户名" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="xNV-q3-QSA" userLabel="文本框-登陆用户名">
                             <rect key="frame" x="0.0" y="58" width="136" height="30"/>
-                            <animations/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                             <fontDescription key="fontDescription" type="system" pointSize="14"/>
                             <textInputTraits key="textInputTraits" returnKeyType="done"/>
                             <connections>
@@ -61,7 +65,7 @@
                         </textField>
                         <textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="left" contentVerticalAlignment="center" borderStyle="roundedRect" placeholder="登陆密码" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="EIl-0P-bp1" userLabel="文本框-登陆密码">
                             <rect key="frame" x="144" y="58" width="136" height="30"/>
-                            <animations/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                             <fontDescription key="fontDescription" type="system" pointSize="14"/>
                             <textInputTraits key="textInputTraits" returnKeyType="done" secureTextEntry="YES"/>
                             <connections>
@@ -70,55 +74,61 @@
                         </textField>
                         <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" image="dashed_line.png" translatesAutoresizingMaskIntoConstraints="NO" id="Kau-rb-ocb" userLabel="分隔线">
                             <rect key="frame" x="0.0" y="102" width="280" height="1"/>
-                            <animations/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                         </imageView>
                         <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="-" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Glk-Zq-zDL">
                             <rect key="frame" x="0.0" y="119.5" width="136" height="21.5"/>
-                            <animations/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                             <fontDescription key="fontDescription" type="system" pointSize="11"/>
-                            <color key="textColor" white="0.66666666666666663" alpha="1" colorSpace="calibratedWhite"/>
+                            <color key="textColor" red="0.66666666666666663" green="0.66666666666666663" blue="0.66666666666666663" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                             <nil key="highlightedColor"/>
-                            <color key="shadowColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                            <color key="shadowColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                             <size key="shadowOffset" width="0.0" height="1"/>
                         </label>
                         <button opaque="NO" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="F2i-VI-sbK" userLabel="按钮-登陆">
                             <rect key="frame" x="144" y="113" width="136" height="36"/>
-                            <animations/>
-                            <color key="backgroundColor" red="0.0" green="0.47843137250000001" blue="1" alpha="1" colorSpace="calibratedRGB"/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                            <color key="backgroundColor" red="0.0" green="0.47843137250000001" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                             <size key="titleShadowOffset" width="0.5" height="0.5"/>
                             <state key="normal" title="登陆">
-                                <color key="titleColor" red="0.96862745100000003" green="0.97254901959999995" blue="0.96862745100000003" alpha="1" colorSpace="calibratedRGB"/>
-                                <color key="titleShadowColor" white="0.16857638890000001" alpha="1" colorSpace="calibratedWhite"/>
+                                <color key="titleColor" red="0.96862745100000003" green="0.97254901959999995" blue="0.96862745100000003" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                <color key="titleShadowColor" red="0.16857638955116272" green="0.16857638955116272" blue="0.16857638955116272" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                             </state>
                             <connections>
                                 <action selector="signIn:" destination="-1" eventType="touchUpInside" id="yfu-ha-bEW"/>
                             </connections>
                         </button>
                     </subviews>
-                    <animations/>
-                    <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="calibratedWhite"/>
+                    <color key="backgroundColor" red="0.0" green="0.0" blue="0.0" alpha="0.0" colorSpace="custom" customColorSpace="sRGB"/>
+                    <constraints>
+                        <constraint firstAttribute="width" constant="280" id="0b5-Dv-arL"/>
+                        <constraint firstAttribute="height" constant="157" id="efL-YB-07J"/>
+                    </constraints>
                 </view>
                 <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" alpha="0.69999999999999996" contentMode="center" image="copyright_img.png" translatesAutoresizingMaskIntoConstraints="NO" id="g6y-O3-PAI">
-                    <rect key="frame" x="63" y="431" width="194" height="34"/>
-                    <animations/>
+                    <rect key="frame" x="63" y="519" width="194" height="34"/>
                 </imageView>
             </subviews>
-            <animations/>
-            <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+            <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
             <constraints>
+                <constraint firstItem="DsX-DK-Qk7" firstAttribute="top" secondItem="i5M-Pr-FkT" secondAttribute="top" id="7fu-dZ-bb8"/>
                 <constraint firstAttribute="bottom" secondItem="g6y-O3-PAI" secondAttribute="bottom" constant="15" id="Fh1-NZ-Xbf"/>
-                <constraint firstItem="DsX-DK-Qk7" firstAttribute="centerX" secondItem="i5M-Pr-FkT" secondAttribute="centerX" id="H7R-lV-kHG"/>
                 <constraint firstItem="g6y-O3-PAI" firstAttribute="centerX" secondItem="i5M-Pr-FkT" secondAttribute="centerX" id="qPD-jU-r3Z"/>
+                <constraint firstItem="DsX-DK-Qk7" firstAttribute="centerX" secondItem="i5M-Pr-FkT" secondAttribute="centerX" id="qpM-rH-nma"/>
             </constraints>
-            <simulatedScreenMetrics key="simulatedDestinationMetrics"/>
             <connections>
                 <action selector="E_clickBgToHideKeyboard:" destination="-1" eventType="touchDown" id="MO4-Z4-HbO"/>
             </connections>
-            <point key="canvasLocation" x="402" y="159"/>
+            <point key="canvasLocation" x="204" y="-35"/>
         </view>
     </objects>
     <resources>
         <image name="copyright_img.png" width="194" height="34"/>
         <image name="dashed_line.png" width="568" height="1"/>
     </resources>
+    <simulatedMetricsContainer key="defaultSimulatedMetrics">
+        <simulatedStatusBarMetrics key="statusBar"/>
+        <simulatedOrientationMetrics key="orientation"/>
+        <simulatedScreenMetrics key="destination" type="retina4_0.fullscreen"/>
+    </simulatedMetricsContainer>
 </document>
diff --git a/src_all/demos/MobileIMSDK4iDemo/MobileIMSDK4iDemo/MainViewController.xib b/src_all/demos/MobileIMSDK4iDemo/MobileIMSDK4iDemo/MainViewController.xib
index 5dd28e72..c8316aea 100755
--- a/src_all/demos/MobileIMSDK4iDemo/MobileIMSDK4iDemo/MainViewController.xib
+++ b/src_all/demos/MobileIMSDK4iDemo/MobileIMSDK4iDemo/MainViewController.xib
@@ -1,8 +1,12 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="9059" systemVersion="15B42" targetRuntime="iOS.CocoaTouch" variant="6xAndEarlier" propertyAccessControl="none" useAutolayout="YES">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="11762" systemVersion="15G31" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" colorMatched="YES">
+    <device id="retina4_0" orientation="portrait">
+        <adaptation id="fullscreen"/>
+    </device>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9049"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11757"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <objects>
         <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner" customClass="MainViewController">
@@ -20,53 +24,59 @@
         </placeholder>
         <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
         <view clearsContextBeforeDrawing="NO" contentMode="scaleToFill" id="6" customClass="UIControl">
-            <rect key="frame" x="0.0" y="20" width="320" height="548"/>
+            <rect key="frame" x="0.0" y="0.0" width="320" height="568"/>
             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
             <subviews>
-                <view contentMode="scaleToFill" ambiguous="YES" misplaced="YES" translatesAutoresizingMaskIntoConstraints="NO" id="NXW-fA-q0A" userLabel="[layout] auth UI">
-                    <rect key="frame" x="10" y="0.0" width="300" height="55"/>
+                <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="NXW-fA-q0A" userLabel="[layout] auth UI">
+                    <rect key="frame" x="6.5" y="17" width="307" height="39"/>
                     <subviews>
                         <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="我的id：" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="MuS-yx-spP" userLabel="lb-我的id：">
-                            <rect key="frame" x="0.0" y="15" width="52" height="21"/>
-                            <animations/>
+                            <rect key="frame" x="0.0" y="7" width="51" height="19"/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                             <fontDescription key="fontDescription" name="STHeitiSC-Medium" family="Heiti SC" pointSize="13"/>
-                            <color key="textColor" red="0.40000000600000002" green="0.40000000600000002" blue="0.40000000600000002" alpha="1" colorSpace="calibratedRGB"/>
+                            <color key="textColor" red="0.40000000600000002" green="0.40000000600000002" blue="0.40000000600000002" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                             <nil key="highlightedColor"/>
                         </label>
                         <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="未登陆" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumScaleFactor="0.5" translatesAutoresizingMaskIntoConstraints="NO" id="78P-71-v8g" userLabel="lb-id内容">
-                            <rect key="frame" x="50" y="16" width="48" height="19"/>
-                            <animations/>
+                            <rect key="frame" x="52" y="9" width="70" height="16"/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                             <fontDescription key="fontDescription" type="system" pointSize="13"/>
-                            <color key="textColor" red="1" green="0.0" blue="1" alpha="1" colorSpace="calibratedRGB"/>
+                            <color key="textColor" red="1" green="0.0" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                             <nil key="highlightedColor"/>
                         </label>
                         <button opaque="NO" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="NgB-WR-itT" userLabel="按钮-退出登陆">
-                            <rect key="frame" x="154" y="8" width="146" height="36"/>
-                            <animations/>
-                            <color key="backgroundColor" red="0.99215686270000003" green="0.57254901960000004" blue="0.2901960784" alpha="1" colorSpace="calibratedRGB"/>
+                            <rect key="frame" x="202" y="1" width="105" height="30"/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                            <color key="backgroundColor" red="0.99215686270000003" green="0.57254901960000004" blue="0.2901960784" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                             <size key="titleShadowOffset" width="0.5" height="0.5"/>
                             <state key="normal" title="退出登陆">
-                                <color key="titleColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>
-                                <color key="titleShadowColor" red="0.90196078431372551" green="0.90196078431372551" blue="0.90196078431372551" alpha="1" colorSpace="calibratedRGB"/>
+                                <color key="titleColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                <color key="titleShadowColor" red="0.90196078431372551" green="0.90196078431372551" blue="0.90196078431372551" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                             </state>
                             <connections>
                                 <action selector="signOut:" destination="-1" eventType="touchUpInside" id="3fp-6m-q09"/>
                             </connections>
                         </button>
                     </subviews>
-                    <animations/>
-                    <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="calibratedWhite"/>
+                    <color key="backgroundColor" red="0.0" green="0.0" blue="0.0" alpha="0.0" colorSpace="custom" customColorSpace="sRGB"/>
+                    <constraints>
+                        <constraint firstAttribute="width" constant="307" id="obg-XM-fhm"/>
+                        <constraint firstAttribute="height" constant="39" id="upe-So-nwZ"/>
+                    </constraints>
                 </view>
-                <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" ambiguous="YES" misplaced="YES" image="dashed_line.png" translatesAutoresizingMaskIntoConstraints="NO" id="F65-cV-K4l" userLabel="分隔线">
-                    <rect key="frame" x="10" y="51" width="300" height="1"/>
-                    <animations/>
+                <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="dashed_line.png" translatesAutoresizingMaskIntoConstraints="NO" id="F65-cV-K4l" userLabel="分隔线">
+                    <rect key="frame" x="0.0" y="55" width="320" height="1"/>
+                    <constraints>
+                        <constraint firstAttribute="height" constant="1" id="2Ol-jj-qhD"/>
+                        <constraint firstAttribute="width" constant="320" id="hPK-1V-DlI"/>
+                    </constraints>
                 </imageView>
-                <view contentMode="scaleToFill" ambiguous="YES" misplaced="YES" translatesAutoresizingMaskIntoConstraints="NO" id="emD-kk-O1n" userLabel="[layout] send UI">
-                    <rect key="frame" x="10" y="60" width="300" height="76"/>
+                <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="emD-kk-O1n" userLabel="[layout] send UI">
+                    <rect key="frame" x="6.5" y="66" width="307" height="68"/>
                     <subviews>
                         <textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="left" contentVerticalAlignment="center" borderStyle="roundedRect" placeholder="接收方的id" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="rah-zU-Y6q" userLabel="编辑框-对方id">
-                            <rect key="frame" x="0.0" y="2" width="146" height="30"/>
-                            <animations/>
+                            <rect key="frame" x="0.0" y="0.0" width="90" height="30"/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                             <fontDescription key="fontDescription" type="system" pointSize="14"/>
                             <textInputTraits key="textInputTraits" keyboardType="numberPad" returnKeyType="done"/>
                             <connections>
@@ -74,8 +84,8 @@
                             </connections>
                         </textField>
                         <textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="left" contentVerticalAlignment="center" borderStyle="roundedRect" placeholder="message to send (via udp)" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="10" userLabel="编辑框-发送内容">
-                            <rect key="frame" x="154" y="2" width="146" height="30"/>
-                            <animations/>
+                            <rect key="frame" x="98" y="0.0" width="209" height="30"/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                             <fontDescription key="fontDescription" type="system" pointSize="14"/>
                             <textInputTraits key="textInputTraits" returnKeyType="done"/>
                             <connections>
@@ -83,110 +93,131 @@
                             </connections>
                         </textField>
                         <button opaque="NO" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="11" userLabel="按钮-发送消息">
-                            <rect key="frame" x="0.0" y="40" width="300" height="37"/>
-                            <animations/>
-                            <color key="backgroundColor" red="0.1450980392" green="0.85882352939999995" blue="0.69411764710000001" alpha="1" colorSpace="calibratedRGB"/>
+                            <rect key="frame" x="0.0" y="37" width="307" height="30"/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                            <color key="backgroundColor" red="0.1450980392" green="0.85882352939999995" blue="0.69411764710000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                             <size key="titleShadowOffset" width="0.5" height="0.5"/>
                             <state key="normal" title="发送消息">
-                                <color key="titleColor" white="0.0" alpha="1" colorSpace="calibratedWhite"/>
-                                <color key="titleShadowColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                                <color key="titleColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                <color key="titleShadowColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                             </state>
                             <connections>
                                 <action selector="send:" destination="-1" eventType="touchUpInside" id="17"/>
                             </connections>
                         </button>
                     </subviews>
-                    <animations/>
-                    <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="calibratedWhite"/>
+                    <color key="backgroundColor" red="0.0" green="0.0" blue="0.0" alpha="0.0" colorSpace="custom" customColorSpace="sRGB"/>
+                    <constraints>
+                        <constraint firstAttribute="height" constant="68" id="TUU-IA-L8u"/>
+                        <constraint firstAttribute="width" constant="307" id="nI3-cf-f8o"/>
+                    </constraints>
                 </view>
-                <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" ambiguous="YES" misplaced="YES" image="dashed_line.png" translatesAutoresizingMaskIntoConstraints="NO" id="S1P-do-RPH" userLabel="分隔线">
-                    <rect key="frame" x="10" y="148" width="300" height="1"/>
-                    <animations/>
+                <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="dashed_line.png" translatesAutoresizingMaskIntoConstraints="NO" id="S1P-do-RPH" userLabel="分隔线">
+                    <rect key="frame" x="0.0" y="143" width="320" height="1"/>
+                    <constraints>
+                        <constraint firstAttribute="height" constant="1" id="OD6-Oc-UxZ"/>
+                        <constraint firstAttribute="width" constant="320" id="OqS-Fk-UwY"/>
+                    </constraints>
                 </imageView>
-                <view contentMode="scaleToFill" ambiguous="YES" misplaced="YES" translatesAutoresizingMaskIntoConstraints="NO" id="guP-mS-gsz" userLabel="[layout] status UI">
-                    <rect key="frame" x="10" y="149" width="300" height="22"/>
+                <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="guP-mS-gsz" userLabel="[layout] status UI">
+                    <rect key="frame" x="6.5" y="151" width="307" height="15"/>
                     <subviews>
                         <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="线程动态：" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="B87-75-64A">
-                            <rect key="frame" x="0.0" y="0.0" width="52" height="21"/>
-                            <animations/>
+                            <rect key="frame" x="0.0" y="0.0" width="52" height="13"/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                             <fontDescription key="fontDescription" type="system" pointSize="10"/>
-                            <color key="textColor" red="0.0" green="0.47843137250000001" blue="1" alpha="1" colorSpace="calibratedRGB"/>
-                            <color key="shadowColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                            <color key="textColor" red="0.0" green="0.47843137250000001" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                            <color key="shadowColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                             <size key="shadowOffset" width="0.0" height="1"/>
                         </label>
+                        <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" image="gray.png" translatesAutoresizingMaskIntoConstraints="NO" id="yXc-AW-IEJ" userLabel="iv-掉线重连线程">
+                            <rect key="frame" x="50" y="0.0" width="12" height="12"/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                        </imageView>
                         <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="掉线重连" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="WoO-UC-vhv">
-                            <rect key="frame" x="60" y="0.0" width="43" height="21"/>
-                            <animations/>
+                            <rect key="frame" x="62" y="0.0" width="41" height="12"/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                             <fontDescription key="fontDescription" type="system" pointSize="10"/>
-                            <color key="textColor" white="0.66666666666666663" alpha="1" colorSpace="calibratedWhite"/>
+                            <color key="textColor" red="0.66666666666666663" green="0.66666666666666663" blue="0.66666666666666663" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                             <nil key="highlightedColor"/>
                         </label>
-                        <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" image="gray.png" translatesAutoresizingMaskIntoConstraints="NO" id="yXc-AW-IEJ" userLabel="iv-掉线重连线程">
-                            <rect key="frame" x="49" y="6" width="10" height="10"/>
-                            <animations/>
+                        <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" image="gray.png" translatesAutoresizingMaskIntoConstraints="NO" id="Ux2-r2-OTw" userLabel="iv-KeepAlive线程">
+                            <rect key="frame" x="110" y="0.0" width="12" height="12"/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                         </imageView>
                         <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="KeepAlive" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="mca-yK-RRi">
-                            <rect key="frame" x="120" y="0.0" width="48" height="21"/>
-                            <animations/>
+                            <rect key="frame" x="123" y="0.0" width="48" height="12"/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                             <fontDescription key="fontDescription" type="system" pointSize="10"/>
-                            <color key="textColor" white="0.66666666666666663" alpha="1" colorSpace="calibratedWhite"/>
+                            <color key="textColor" red="0.66666666666666663" green="0.66666666666666663" blue="0.66666666666666663" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                             <nil key="highlightedColor"/>
                         </label>
                         <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" image="gray.png" translatesAutoresizingMaskIntoConstraints="NO" id="Qos-ZT-T4v" userLabel="iv-QoS线程">
-                            <rect key="frame" x="175" y="6" width="10" height="10"/>
-                            <animations/>
+                            <rect key="frame" x="177" y="0.0" width="12" height="12"/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                         </imageView>
                         <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="QoS(发)" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="ggF-BN-1pq">
-                            <rect key="frame" x="186" y="0.0" width="38" height="21"/>
-                            <animations/>
+                            <rect key="frame" x="190" y="0.0" width="38" height="12"/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                             <fontDescription key="fontDescription" type="system" pointSize="10"/>
-                            <color key="textColor" white="0.66666666666666663" alpha="1" colorSpace="calibratedWhite"/>
+                            <color key="textColor" red="0.66666666666666663" green="0.66666666666666663" blue="0.66666666666666663" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                             <nil key="highlightedColor"/>
                         </label>
                         <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" image="gray.png" translatesAutoresizingMaskIntoConstraints="NO" id="b0g-AT-06G" userLabel="iv-QoS线程">
-                            <rect key="frame" x="232" y="6" width="10" height="10"/>
-                            <animations/>
+                            <rect key="frame" x="235" y="0.0" width="12" height="12"/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                         </imageView>
                         <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="QoS(收)" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="QyR-CT-jZn">
-                            <rect key="frame" x="244" y="0.0" width="40" height="21"/>
-                            <animations/>
+                            <rect key="frame" x="248" y="0.0" width="38" height="12"/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                             <fontDescription key="fontDescription" type="system" pointSize="10"/>
-                            <color key="textColor" white="0.66666666666666663" alpha="1" colorSpace="calibratedWhite"/>
+                            <color key="textColor" red="0.66666666666666663" green="0.66666666666666663" blue="0.66666666666666663" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                             <nil key="highlightedColor"/>
                         </label>
-                        <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" image="gray.png" translatesAutoresizingMaskIntoConstraints="NO" id="Ux2-r2-OTw" userLabel="iv-KeepAlive线程">
-                            <rect key="frame" x="109" y="6" width="10" height="10"/>
-                            <animations/>
-                        </imageView>
                     </subviews>
-                    <animations/>
+                    <constraints>
+                        <constraint firstAttribute="height" constant="15" id="5Hq-oy-QVn"/>
+                        <constraint firstAttribute="width" constant="307" id="xOI-X7-rAc"/>
+                    </constraints>
                 </view>
-                <tableView clipsSubviews="YES" contentMode="scaleToFill" ambiguous="YES" misplaced="YES" alwaysBounceVertical="YES" style="plain" separatorStyle="none" rowHeight="16" sectionHeaderHeight="22" sectionFooterHeight="22" translatesAutoresizingMaskIntoConstraints="NO" id="X3J-23-sPr">
-                    <rect key="frame" x="10" y="172" width="300" height="288"/>
-                    <animations/>
-                    <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                <tableView clipsSubviews="YES" contentMode="scaleToFill" misplaced="YES" alwaysBounceVertical="YES" style="plain" separatorStyle="none" rowHeight="16" sectionHeaderHeight="22" sectionFooterHeight="22" translatesAutoresizingMaskIntoConstraints="NO" id="X3J-23-sPr">
+                    <rect key="frame" x="6" y="167" width="307" height="401"/>
+                    <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                    <constraints>
+                        <constraint firstAttribute="width" constant="307" id="eZa-Es-Ro0"/>
+                    </constraints>
                 </tableView>
             </subviews>
-            <animations/>
-            <color key="backgroundColor" white="0.90000000000000002" alpha="1" colorSpace="calibratedWhite"/>
+            <color key="backgroundColor" red="0.89999997615814209" green="0.89999997615814209" blue="0.89999997615814209" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
             <constraints>
-                <constraint firstItem="X3J-23-sPr" firstAttribute="centerX" secondItem="6" secondAttribute="centerX" id="Cr5-H7-x6W"/>
-                <constraint firstItem="F65-cV-K4l" firstAttribute="centerX" secondItem="6" secondAttribute="centerX" id="HmY-aP-GKs"/>
-                <constraint firstItem="S1P-do-RPH" firstAttribute="centerX" secondItem="6" secondAttribute="centerX" id="MhV-0F-T99"/>
-                <constraint firstItem="guP-mS-gsz" firstAttribute="centerX" secondItem="6" secondAttribute="centerX" id="NBq-8o-g8r"/>
-                <constraint firstItem="NXW-fA-q0A" firstAttribute="centerX" secondItem="6" secondAttribute="centerX" id="VUn-Eb-gRb"/>
-                <constraint firstAttribute="bottom" secondItem="X3J-23-sPr" secondAttribute="bottom" constant="10" id="g1n-Ma-D1T"/>
-                <constraint firstItem="X3J-23-sPr" firstAttribute="top" secondItem="S1P-do-RPH" secondAttribute="bottom" constant="23" id="g9A-gK-3bE"/>
-                <constraint firstItem="emD-kk-O1n" firstAttribute="centerX" secondItem="6" secondAttribute="centerX" id="vus-WZ-0NO"/>
+                <constraint firstItem="NXW-fA-q0A" firstAttribute="top" secondItem="6" secondAttribute="top" constant="17" id="2cK-HA-q38"/>
+                <constraint firstItem="X3J-23-sPr" firstAttribute="centerX" secondItem="6" secondAttribute="centerX" id="744-o0-ZYS"/>
+                <constraint firstItem="emD-kk-O1n" firstAttribute="top" secondItem="F65-cV-K4l" secondAttribute="bottom" constant="10" id="8NP-wF-h3H"/>
+                <constraint firstItem="guP-mS-gsz" firstAttribute="top" secondItem="S1P-do-RPH" secondAttribute="bottom" constant="7" id="Fia-wY-CfK"/>
+                <constraint firstItem="F65-cV-K4l" firstAttribute="top" secondItem="6" secondAttribute="top" constant="55" id="ItE-ob-5eE"/>
+                <constraint firstItem="F65-cV-K4l" firstAttribute="centerX" secondItem="6" secondAttribute="centerX" id="Qfh-lO-nGI"/>
+                <constraint firstItem="guP-mS-gsz" firstAttribute="centerX" secondItem="6" secondAttribute="centerX" id="Ss5-Fq-IWv"/>
+                <constraint firstItem="NXW-fA-q0A" firstAttribute="centerX" secondItem="6" secondAttribute="centerX" id="ZS1-Ef-Xmr"/>
+                <constraint firstItem="emD-kk-O1n" firstAttribute="centerX" secondItem="6" secondAttribute="centerX" id="anY-Sr-IHL"/>
+                <constraint firstAttribute="bottom" secondItem="X3J-23-sPr" secondAttribute="bottom" constant="6" id="cUQ-i6-S46"/>
+                <constraint firstItem="F65-cV-K4l" firstAttribute="centerX" secondItem="6" secondAttribute="centerX" id="eMq-j3-gXn"/>
+                <constraint firstItem="S1P-do-RPH" firstAttribute="centerX" secondItem="6" secondAttribute="centerX" id="etD-hD-InN"/>
+                <constraint firstItem="X3J-23-sPr" firstAttribute="top" secondItem="guP-mS-gsz" secondAttribute="bottom" constant="1" id="vME-ov-GZX"/>
+                <constraint firstItem="S1P-do-RPH" firstAttribute="top" secondItem="emD-kk-O1n" secondAttribute="bottom" constant="9" id="xCO-CN-xMQ"/>
             </constraints>
             <connections>
                 <action selector="E_clickBgToHideKeyboard:" destination="-1" eventType="touchDown" id="Ws6-8s-ASb"/>
             </connections>
-            <point key="canvasLocation" x="-1067" y="-947"/>
+            <point key="canvasLocation" x="-2374" y="-1593"/>
         </view>
     </objects>
     <resources>
         <image name="dashed_line.png" width="568" height="1"/>
         <image name="gray.png" width="12" height="12"/>
     </resources>
+    <simulatedMetricsContainer key="defaultSimulatedMetrics">
+        <simulatedStatusBarMetrics key="statusBar"/>
+        <simulatedOrientationMetrics key="orientation"/>
+        <simulatedScreenMetrics key="destination" type="retina4_0.fullscreen"/>
+    </simulatedMetricsContainer>
 </document>