1.修改iOS Signature隐藏Tip Label。

RedAnt ERP Mobile/common/Functions/signature/signature.storyboard

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="14109" targetRuntime="iOS.CocoaTouch.iPad" propertyAccessControl="none" colorMatched="YES">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="14113" targetRuntime="iOS.CocoaTouch.iPad" propertyAccessControl="none" colorMatched="YES">
     <device id="ipad9_7" orientation="portrait">
         <adaptation id="fullscreen"/>
     </device>
@@ -17,7 +17,7 @@
                         <rect key="frame" x="0.0" y="0.0" width="768" height="1024"/>
                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                         <subviews>
-                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" misplaced="YES" text="Please signature in the yellow area" textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="OEo-Ct-kXA">
+                            <label hidden="YES" opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" misplaced="YES" text="Please signature in the yellow area" textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="OEo-Ct-kXA">
                                 <rect key="frame" x="238" y="64" width="292" height="21"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMinX="YES" widthSizable="YES" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="17"/>