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

@@ -5,44 +5,53 @@ export struct CustomTitleUI {
   imgBack:boolean = true
   titleName:ResourceStr = "默认标题"
   @Prop percent:number = 1
+  isShowBottomLine:boolean = false
 
   build() {
-    RelativeContainer() {
-      //标题栏目
-      if(this.imgBack){
-        Image($r('app.media.back_icon'))
-          .width(24)
-          .height(24)
-          .objectFit(ImageFit.Auto)
-          .interpolation(ImageInterpolation.High)
-          .id("back_icon")
+    Column(){
+      RelativeContainer() {
+        //标题栏目
+        if(this.imgBack){
+          Image($r('app.media.back_icon'))
+            .width(24)
+            .height(24)
+            .objectFit(ImageFit.Auto)
+            .interpolation(ImageInterpolation.High)
+            .id("back_icon")
+            .alignRules({
+              center: {anchor: "__container__", align: VerticalAlign.Center},
+              left: {anchor: "__container__", align: HorizontalAlign.Start}
+            })
+            .margin({left: 16})
+            .onClick(()=>{
+              router.back()
+            })
+        }
+
+        Text(this.titleName)
+          .maxLines(1)
+          .id("title")
+          .fontFamily('PingFang SC-Regular')
+          .fontSize(18)
+          .fontWeight(400)
+          .fontColor($r('app.color.color_222222'))
+          .lineHeight(26)
           .alignRules({
             center: {anchor: "__container__", align: VerticalAlign.Center},
-            left: {anchor: "__container__", align: HorizontalAlign.Start}
-          })
-          .margin({left: 16})
-          .onClick(()=>{
-            router.back()
+            middle: {anchor: "__container__", align: HorizontalAlign.Center}
           })
-      }
 
-      Text(this.titleName)
-        .maxLines(1)
-        .id("title")
-        .fontFamily('PingFang SC-Regular')
-        .fontSize(18)
-        .fontWeight(400)
-        .fontColor($r('app.color.color_222222'))
-        .lineHeight(26)
-        .alignRules({
-          center: {anchor: "__container__", align: VerticalAlign.Center},
-          middle: {anchor: "__container__", align: HorizontalAlign.Center}
-        })
+      }
+      .height(44)
+      .width('100%')
+      .backgroundColor($r('app.color.white'))
 
+      if(this.isShowBottomLine){
+        Text().backgroundColor($r('app.color.color_EDEDED'))
+          .width('100%')
+          .height(1)
+      }
     }
-    .height(44)
-    .width('100%')
-    .backgroundColor($r('app.color.white'))
   }
 
   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)