fix: 增强配置容错与启动稳定性，优化错误状态交互

Sources/Models/AppConfig.swift

@@ -12,6 +12,10 @@ struct AppConfig: Codable, Equatable {
     var showFloatingWidget: Bool = false
     var launchAtLogin: Bool = true
     var feishuBaseDomain: String = "xorbitlab.feishu.cn"
+    /// When false (the default), Bugger waits for the next scheduled poll
+    /// instead of fetching immediately on launch. Avoids a crash-on-start
+    /// loop if the table fetch is failing.
+    var refreshOnStart: Bool = false
 
     struct FieldMappings: Codable, Equatable {
         var titleField: String = "Title"
@@ -49,4 +53,28 @@ struct AppConfig: Codable, Equatable {
     var isConfigured: Bool {
         !appToken.isEmpty && !tableId.isEmpty
     }
+
+    // Explicit keys + tolerant decoding so a config persisted before a new
+    // field was added (missing key) doesn't fail to decode and wipe settings.
+    enum CodingKeys: String, CodingKey {
+        case appToken, tableId, assigneeName, fieldMappings
+        case pollIntervalSeconds, dailyRefreshTimes
+        case showFloatingWidget, launchAtLogin, feishuBaseDomain, refreshOnStart
+    }
+
+    init() {}
+
+    init(from decoder: Decoder) throws {
+        let c = try decoder.container(keyedBy: CodingKeys.self)
+        appToken = try c.decodeIfPresent(String.self, forKey: .appToken) ?? ""
+        tableId = try c.decodeIfPresent(String.self, forKey: .tableId) ?? ""
+        assigneeName = try c.decodeIfPresent(String.self, forKey: .assigneeName) ?? ""
+        fieldMappings = try c.decodeIfPresent(FieldMappings.self, forKey: .fieldMappings) ?? FieldMappings()
+        pollIntervalSeconds = try c.decodeIfPresent(Int.self, forKey: .pollIntervalSeconds) ?? 300
+        dailyRefreshTimes = try c.decodeIfPresent([String].self, forKey: .dailyRefreshTimes) ?? []
+        showFloatingWidget = try c.decodeIfPresent(Bool.self, forKey: .showFloatingWidget) ?? false
+        launchAtLogin = try c.decodeIfPresent(Bool.self, forKey: .launchAtLogin) ?? true
+        feishuBaseDomain = try c.decodeIfPresent(String.self, forKey: .feishuBaseDomain) ?? "xorbitlab.feishu.cn"
+        refreshOnStart = try c.decodeIfPresent(Bool.self, forKey: .refreshOnStart) ?? false
+    }
 }

Sources/Models/Bug.swift

@@ -10,7 +10,7 @@ struct Bug: Identifiable, Equatable, Hashable {
     let customer: String?
     let createdAt: Date
     let updatedAt: Date
-    let feishuURL: URL
+    let feishuURL: URL?
 
     var age: TimeInterval {
         Date().timeIntervalSince(createdAt)

Sources/Services/Feishu/FeishuError.swift

@@ -7,6 +7,8 @@ enum FeishuError: Error, LocalizedError {
     case decodingError(Error, rawBody: String? = nil)
     case notConfigured
     case missingCredentials
+    case invalidConfiguration(String)
+    case paginationLimitExceeded
 
     var errorDescription: String? {
         switch self {
@@ -25,6 +27,10 @@ enum FeishuError: Error, LocalizedError {
             return "Feishu table not configured. Open Settings."
         case .missingCredentials:
             return "Feishu app credentials are missing. Set FEISHU_APP_ID and FEISHU_APP_SECRET."
+        case .invalidConfiguration(let detail):
+            return "Invalid Feishu configuration: \(detail)"
+        case .paginationLimitExceeded:
+            return "Feishu table has too many records to load in one pass."
         }
     }
 }

Sources/Services/Feishu/FeishuService.swift

@@ -19,8 +19,16 @@ final class FeishuService {
     ) async throws -> [Bug] {
         var allRecords: [RecordItem] = []
         var pageToken: String?
+        var pages = 0
+        // 25,000 records at 500/page — guard against a runaway cursor that
+        // would otherwise loop forever accumulating memory.
+        let maxPages = 50
 
         repeat {
+            pages += 1
+            guard pages <= maxPages else {
+                throw FeishuError.paginationLimitExceeded
+            }
             let page = try await fetchPage(
                 appToken: config.appToken,
                 tableId: config.tableId,
@@ -60,16 +68,25 @@ final class FeishuService {
         pageSize: Int = 500,
         accessToken: String
     ) async throws -> RecordListData {
-        var components = URLComponents(
+        guard !appToken.isEmpty, !tableId.isEmpty else {
+            throw FeishuError.invalidConfiguration("App token and table ID must not be empty.")
+        }
+        guard var components = URLComponents(
             string: "\(baseURL)/bitable/v1/apps/\(appToken)/tables/\(tableId)/records"
-        )!
+        ) else {
+            throw FeishuError.invalidConfiguration("App token or table ID contains invalid characters.")
+        }
         var queryItems = [URLQueryItem(name: "page_size", value: String(pageSize))]
         if let pageToken {
             queryItems.append(URLQueryItem(name: "page_token", value: pageToken))
         }
         components.queryItems = queryItems
 
-        var request = URLRequest(url: components.url!)
+        guard let url = components.url else {
+            throw FeishuError.invalidConfiguration("Could not build records request URL.")
+        }
+
+        var request = URLRequest(url: url)
         request.httpMethod = "GET"
         request.setValue("Bearer \(accessToken)", forHTTPHeaderField: "Authorization")
         request.timeoutInterval = 30

Sources/Services/NotificationService.swift

@@ -56,10 +56,11 @@ final class NotificationService: NSObject, UNUserNotificationCenterDelegate {
             return
         }
 
-        content.userInfo = [
-            "bugId": change.bug.id,
-            "feishuURL": change.bug.feishuURL.absoluteString
-        ]
+        var userInfo: [String: Any] = ["bugId": change.bug.id]
+        if let url = change.bug.feishuURL {
+            userInfo["feishuURL"] = url.absoluteString
+        }
+        content.userInfo = userInfo
 
         let request = UNNotificationRequest(
             identifier: "bugger-\(change.bug.id)-\(Date().timeIntervalSince1970)",

Sources/Services/PollerService.swift

@@ -24,14 +24,16 @@ final class PollerService {
               tokenManager.isAuthenticated else {
             return
         }
-        start(interval: TimeInterval(config.pollIntervalSeconds))
+        start(interval: TimeInterval(config.pollIntervalSeconds), fetchImmediately: config.refreshOnStart)
     }
 
-    func start(interval: TimeInterval) {
+    func start(interval: TimeInterval, fetchImmediately: Bool = true) {
         guard !isRunning else { return }
         isRunning = true
 
+        if fetchImmediately {
             Task { await performFetch() }
+        }
 
         if interval < 0 {
             // Daily schedule mode: check every 60s, fire at configured times

Sources/Utils/URL+Feishu.swift

@@ -6,12 +6,26 @@ enum FeishuURLBuilder {
         appToken: String,
         tableId: String,
         recordId: String
-    ) -> URL {
-        // Feishu Bitable record deep link: uses query parameters
-        URL(string: "https://\(baseDomain)/base/\(appToken)?table=\(tableId)&record=\(recordId)")!
+    ) -> URL? {
+        // Feishu Bitable record deep link: uses query parameters.
+        // Returns nil for malformed inputs (e.g. config containing spaces or
+        // slashes) instead of force-unwrapping and crashing.
+        var components = URLComponents()
+        components.scheme = "https"
+        components.host = baseDomain
+        components.path = "/base/\(appToken)"
+        components.queryItems = [
+            URLQueryItem(name: "table", value: tableId),
+            URLQueryItem(name: "record", value: recordId)
+        ]
+        return components.url
     }
 
-    static func tableURL(baseDomain: String, appToken: String) -> URL {
-        URL(string: "https://\(baseDomain)/base/\(appToken)")!
+    static func tableURL(baseDomain: String, appToken: String) -> URL? {
+        var components = URLComponents()
+        components.scheme = "https"
+        components.host = baseDomain
+        components.path = "/base/\(appToken)"
+        return components.url
     }
 }

Sources/Views/MenuBar/BugListPopover.swift

@@ -104,16 +104,17 @@ struct BugListPopover: View {
     }
 
     private func openInFeishu(_ bug: Bug) {
-        NSWorkspace.shared.open(bug.feishuURL)
+        guard let url = bug.feishuURL else { return }
+        NSWorkspace.shared.open(url)
         AppDelegate.shared?.closePopover()
     }
 
     private func openFeishuTable() {
-        guard let config = AppStateService.shared.config else { return }
+        guard let config = AppStateService.shared.config,
               let url = FeishuURLBuilder.tableURL(
                 baseDomain: config.feishuBaseDomain,
                 appToken: config.appToken
-        )
+              ) else { return }
         NSWorkspace.shared.open(url)
     }
 
@@ -165,6 +166,11 @@ struct ErrorStateView: View {
                 .font(.caption)
                 .foregroundStyle(.secondary)
                 .multilineTextAlignment(.center)
+            Button("Retry") {
+                Task { await PollerService.shared.fetchNow() }
+            }
+            .buttonStyle(.bordered)
+            .padding(.top, 4)
         }
         .frame(maxWidth: .infinity, maxHeight: .infinity)
         .padding()

Sources/Views/Settings/SettingsView.swift

@@ -86,6 +86,13 @@ struct SettingsView: View {
                             .buttonStyle(.plain)
                         }
                     }
+
+                    VStack(alignment: .leading, spacing: 4) {
+                        Toggle("Refresh on launch", isOn: $config.refreshOnStart)
+                        Text("Fetch bugs immediately when Bugger starts. Off = wait for the next scheduled poll.")
+                            .font(.caption)
+                            .foregroundStyle(.secondary)
+                    }
                 }
 
                 Section("Display") {