fix |> 20384 隐私政策和用户协议，左上角的返回按钮下方缺少分割线

@@ -5,8 +5,10 @@ export struct CustomTitleUI {
   imgBack:boolean = true
   titleName:ResourceStr = "默认标题"
   @Prop percent:number = 1
+  isShowBottomLine:boolean = false
 
   build() {
+    Column(){
       RelativeContainer() {
         //标题栏目
         if(this.imgBack){
@@ -43,6 +45,13 @@ export struct CustomTitleUI {
       .height(44)
       .width('100%')
       .backgroundColor($r('app.color.white'))
+
+      if(this.isShowBottomLine){
+        Text().backgroundColor($r('app.color.color_EDEDED'))
+          .width('100%')
+          .height(1)
+      }
+    }
   }
 
   calcHeight(value:number): number{

@@ -70,7 +70,12 @@ struct LoginProtocolWebview {
         }
         .alignItems(VerticalAlign.Center)
         .width('100%')
-        .height(44)
+        .height(43)
+
+        Text().backgroundColor("#EDEDED")
+          .width('100%')
+          .height(1)
+
         if(this.isConnectNetwork){
           Web({ src: this.webUrl, controller: this.webviewController })
             .backgroundColor(Color.White)