修改UI

Introduce/Base.lproj/Main.storyboard

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="19455" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="jg0-cF-aQT">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="19455" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="VKd-TY-GhL">
     <device id="retina6_1" orientation="portrait" appearance="light"/>
     <dependencies>
         <deployment identifier="iOS"/>
@@ -56,7 +56,7 @@
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="lCK-3W-RrG" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
             </objects>
-            <point key="canvasLocation" x="1767" y="984"/>
+            <point key="canvasLocation" x="2475" y="865"/>
         </scene>
         <!--Tabbar Controller-->
         <scene sceneID="NzL-HE-kkO">
@@ -92,7 +92,40 @@
                 </navigationController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="krN-OB-qNx" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
             </objects>
-            <point key="canvasLocation" x="1051" y="984"/>
+            <point key="canvasLocation" x="1733" y="865"/>
+        </scene>
+        <!--Navigation Controller-->
+        <scene sceneID="J4m-V3-ogm">
+            <objects>
+                <navigationController id="VKd-TY-GhL" sceneMemberID="viewController">
+                    <navigationBar key="navigationBar" contentMode="scaleToFill" id="PQM-bg-KX0">
+                        <rect key="frame" x="0.0" y="44" width="414" height="44"/>
+                        <autoresizingMask key="autoresizingMask"/>
+                    </navigationBar>
+                    <connections>
+                        <segue destination="CZd-Kr-6NU" kind="relationship" relationship="rootViewController" id="VAt-Mb-25M"/>
+                    </connections>
+                </navigationController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="avb-WA-Ily" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="1459" y="1656"/>
+        </scene>
+        <!--开讲-->
+        <scene sceneID="WaO-hg-DoE">
+            <objects>
+                <viewController id="CZd-Kr-6NU" customClass="INRecorderController" customModule="Introduce" customModuleProvider="target" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="02E-8g-NQ9">
+                        <rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <viewLayoutGuide key="safeArea" id="JSA-4n-qyh"/>
+                        <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+                    </view>
+                    <tabBarItem key="tabBarItem" title="开讲" id="Rav-Yf-tVB"/>
+                    <navigationItem key="navigationItem" id="Kz5-8E-7Lg"/>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="jh4-5V-DjS" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="2352" y="1655"/>
         </scene>
     </scenes>
     <resources>

Introduce/Record/INRecorderController.swift

@@ -34,6 +34,19 @@ class INRecorderController: BFBaseViewController {
             make.width.height.equalTo(170)
             make.center.equalToSuperview()
         }
+        
+        let l = UILabel()
+        l.text = "选择视频，开始讲解"
+        l.textColor = .white
+        l.font = UIFont.systemFont(ofSize: 16)
+        l.textAlignment = .center
+        view.addSubview(l)
+        l.snp.makeConstraints { make in
+            make.top.equalTo(addVideoBtn.snp.bottom)
+            make.centerX.equalToSuperview()
+            make.width.equalTo(200)
+            make.height.equalTo(24)
+        }
     }
 
     override func didReceiveMemoryWarning() {