添加不可用说明页面

SwiftPamphletApp/HomeUI/HomeView.swift

@@ -19,13 +19,23 @@ struct HomeView: View {
             if let link = selectedDataLinkString {
                 DataLink.viewToShow(for: link, selectInfo: $selectInfo)
             } else {
-                Text("请选择")
+                ContentUnavailableView {
+                    Label("未选择栏目",
+                          systemImage: "map.circle.fill")
+                } description: {
+                    Text("请在左侧选择一个栏目")
+                }
             }
         } detail: {
             if let info = selectInfo {
                 DetailLink.viewToShow(for: "资料", selectInfo: info)
             } else {
-                Text("请选择")
+                ContentUnavailableView {
+                    Label("未选",
+                          systemImage: "pencil.tip.crop.circle.badge.plus")
+                } description: {
+                    Text("请选择或按+号增加一个资料")
+                }
             }
         }
         .environment(appVM)

SwiftPamphletApp/HomeUI/SidebarView.swift

@@ -25,7 +25,7 @@ struct SidebarView: View {
                 }
             }
         })
-        .frame(minWidth: 200)
+//        .frame(minWidth: 200)
     }
 }
 

SwiftPamphletApp/InfoOrganizer/Info/EditInfoView.swift

@@ -126,18 +126,18 @@ struct EditInfoView: View {
     }
 
     func fetchTitleFromUrl(urlString: String, isFetchContent: Bool = false) async -> (title:String, content:String) {
+        var title = "没找到标题"
         guard let url = URL(string: urlString) else {
-            return ("","")
+            return (title,"")
         }
         guard let (data, _) = try? await URLSession.shared.data(from: url) else {
-            return ("","")
+            return (title,"")
         }
         guard let homepageHTML = String(data: data, encoding: .utf8), let soup = try? SwiftSoup.parse(homepageHTML) else {
-            return ("","")
+            return (title,"")
         }
 
         // 获取标题
-        var title = "没找到标题"
         let soupTitle = try? soup.title()
         let h1Title = try? soup.select("h1").first()?.text()
         if let okH1Title = h1Title {