fix

punchnet/Views/AppContext.swift

@@ -8,8 +8,8 @@
 import Foundation
 import Observation
 
-enum AppContextError: Error {
-    case nullNetworkSession
+struct AppContextError: Error {
+    let message: String
 }
 
 @Observable
@@ -87,12 +87,12 @@ class AppContext {
     // 连接到对应的网络
     func connectNetwork() async throws {
         guard let session = self.networkSession else {
-            throw AppContextError.nullNetworkSession
+            throw AppContextError(message: "未登陆")
         }
         
         // 避免重复连接
         guard !vpnManager.isConnected else {
-            return
+            throw AppContextError(message: "网络已经连接")
         }
         
         let context = try await SDLAPIClient.connectNetwork(accesToken: session.accessToken)

punchnet/Views/Network/NetworkView.swift

@@ -191,6 +191,9 @@ struct NetworkDisconnectedView: View {
     @Environment(AppContext.self) private var appContext: AppContext
     @State private var isConnecting: Bool = false
 
+    @State private var showAlert: Bool = false
+    @State private var errorMessage: String = ""
+
     var body: some View {
         VStack(spacing: 20) {
             Spacer()
@@ -220,6 +223,9 @@ struct NetworkDisconnectedView: View {
             .disabled(isConnecting)
             Spacer()
         }
+        .alert(isPresented: $showAlert) {
+            Alert(title: Text("提示"), message: Text(errorMessage))
+        }
     }
     
     private func startConnection() async {
@@ -230,8 +236,15 @@ struct NetworkDisconnectedView: View {
         
         do {
             try await self.appContext.connectNetwork()
+        } catch let err as SDLAPIError {
+            self.showAlert = true
+            self.errorMessage = err.message
+        } catch let err as AppContextError {
+            self.showAlert = true
+            self.errorMessage = err.message
         } catch let err {
-            print("Connection error: \(err)")
+            self.showAlert = true
+            self.errorMessage = err.localizedDescription
         }
     }