fix: 修复扫码相机竞态并调整金额与浅色外观

串行处理相机配置及启停，补充四项生命周期回归测试。快捷金额去除多余小数，固定浅色模式，版本更新至 2.1.1（2010101）。

suixinkan.xcodeproj/project.pbxproj

@@ -436,7 +436,7 @@
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_ENTITLEMENTS = suixinkan/suixinkan.entitlements;
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 1040101;
+				CURRENT_PROJECT_VERSION = 2010101;
 				DEVELOPMENT_TEAM = 56GVN5RNVN;
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				"FRAMEWORK_SEARCH_PATHS[sdk=iphoneos*]" = (
@@ -460,7 +460,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 1.4.1;
+				MARKETING_VERSION = 2.1.1;
 				OTHER_LDFLAGS = (
 					"$(inherited)",
 					"-ObjC",
@@ -502,7 +502,7 @@
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_ENTITLEMENTS = suixinkan/suixinkan.entitlements;
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 1040101;
+				CURRENT_PROJECT_VERSION = 2010101;
 				DEVELOPMENT_TEAM = 56GVN5RNVN;
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				"FRAMEWORK_SEARCH_PATHS[sdk=iphoneos*]" = (
@@ -526,7 +526,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 1.4.1;
+				MARKETING_VERSION = 2.1.1;
 				OTHER_LDFLAGS = (
 					"$(inherited)",
 					"-ObjC",
@@ -741,7 +741,7 @@
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_ENTITLEMENTS = suixinkan/suixinkan.entitlements;
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 1040101;
+				CURRENT_PROJECT_VERSION = 2010101;
 				DEVELOPMENT_TEAM = 56GVN5RNVN;
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				GENERATE_INFOPLIST_FILE = YES;
@@ -761,7 +761,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 1.4.1;
+				MARKETING_VERSION = 2.1.1;
 				OTHER_LDFLAGS = (
 					"$(inherited)",
 					"-ObjC",

suixinkan/Info.plist

@@ -2,6 +2,8 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>UIUserInterfaceStyle</key>
+	<string>Light</string>
 	<key>CFBundleURLTypes</key>
 	<array>
 		<dict>

suixinkan/UI/OfflineCollection/OfflineCollectionRegistrationViewController.swift

@@ -338,7 +338,7 @@ final class OfflineCollectionRegistrationViewController: BaseViewController {
     }
 
     @objc private func quickAmountTapped(_ sender: UIButton) {
-        viewModel.updateAmount(OfflineCollectionMoney.apiAmount(sender.tag))
+        viewModel.updateAmount(OfflineCollectionMoney.displayAmount(sender.tag))
         amountField.becomeFirstResponder()
         moveAmountCursorToEnd()
     }

suixinkan/UI/Scan/QRCodeCaptureSessionController.swift

@@ -0,0 +1,56 @@
+import AVFoundation
+
+/// 扫码采集会话的配置与运行接口，便于独立验证生命周期顺序。
+protocol QRCodeCaptureSession: AnyObject {
+    /// 当前是否正在采集。
+    var isRunning: Bool { get }
+    /// 开始批量配置。
+    func beginConfiguration()
+    /// 提交批量配置。
+    func commitConfiguration()
+    /// 启动采集。
+    func startRunning()
+    /// 停止采集。
+    func stopRunning()
+}
+
+extension AVCaptureSession: QRCodeCaptureSession {}
+
+/// 在同一串行队列中配置和启停相机，避免配置提交与启动交叉执行。
+final class QRCodeCaptureSessionController {
+    private let session: QRCodeCaptureSession
+    private let queue: DispatchQueue
+    private var isConfigured = false
+
+    /// 创建会话生命周期控制器；队列必须为串行队列。
+    init(session: QRCodeCaptureSession,
+         queue: DispatchQueue = DispatchQueue(label: "com.zhifly.suixinkan.qr-capture")) {
+        self.session = session
+        self.queue = queue
+    }
+
+    /// 在配置事务内添加输入输出，提交完成后在主线程通知结果。
+    func configure(_ configuration: @escaping () -> Bool, completion: @escaping (Bool) -> Void) {
+        queue.async { [self] in
+            if !isConfigured {
+                session.beginConfiguration()
+                isConfigured = configuration()
+                session.commitConfiguration()
+            }
+            let succeeded = isConfigured
+            DispatchQueue.main.async { completion(succeeded) }
+        }
+    }
+
+    /// 按提交顺序更新运行状态，运行状态的读取也限定在会话队列内。
+    func setRunning(_ shouldRun: Bool) {
+        queue.async { [self] in
+            if shouldRun {
+                guard isConfigured, !session.isRunning else { return }
+                session.startRunning()
+            } else if session.isRunning {
+                session.stopRunning()
+            }
+        }
+    }
+}

suixinkan/UI/Scan/QRCodeScannerViewController.swift

@@ -10,11 +10,15 @@ import UIKit
 /// AVFoundation 二维码扫描页。
 final class QRCodeScannerViewController: BaseViewController, AVCaptureMetadataOutputObjectsDelegate {
 
+    /// 识别到有效二维码后返回内容，每次展示仅回调一次。
     var onScanResult: ((String) -> Void)?
 
     private let captureSession = AVCaptureSession()
+    private lazy var captureController = QRCodeCaptureSessionController(session: captureSession)
     private var previewLayer: AVCaptureVideoPreviewLayer?
     private var isCameraConfigured = false
+    private var isCameraConfiguring = false
+    private var isScannerVisible = false
     private var hasHandledResult = false
 
     private let maskView = UIView()
@@ -63,6 +67,7 @@ final class QRCodeScannerViewController: BaseViewController, AVCaptureMetadataOu
 
     override func viewDidAppear(_ animated: Bool) {
         super.viewDidAppear(animated)
+        isScannerVisible = true
         updatePreviewLayout()
         startCaptureSessionIfNeeded()
     }
@@ -75,6 +80,7 @@ final class QRCodeScannerViewController: BaseViewController, AVCaptureMetadataOu
 
     override func viewWillDisappear(_ animated: Bool) {
         super.viewWillDisappear(animated)
+        isScannerVisible = false
         stopCaptureSession()
     }
 
@@ -105,32 +111,44 @@ final class QRCodeScannerViewController: BaseViewController, AVCaptureMetadataOu
             return
         }
 
-        guard let device = AVCaptureDevice.default(for: .video),
+        guard !isCameraConfiguring else { return }
-              let input = try? AVCaptureDeviceInput(device: device) else {
+        isCameraConfiguring = true
-            showToast("无法打开相机")
+        captureController.configure({ [weak self, captureSession] in
-            return
+            guard let self,
-        }
+                  let device = AVCaptureDevice.default(for: .video),
+                  let input = try? AVCaptureDeviceInput(device: device),
+                  captureSession.canAddInput(input) else { return false }
+            captureSession.addInput(input)
 
-        captureSession.beginConfiguration()
+            let output = AVCaptureMetadataOutput()
-        defer { captureSession.commitConfiguration() }
+            guard captureSession.canAddOutput(output) else {
-
+                captureSession.removeInput(input)
-        guard captureSession.canAddInput(input) else { return }
+                return false
-        captureSession.addInput(input)
+            }
-
+            captureSession.addOutput(output)
-        let output = AVCaptureMetadataOutput()
+            guard output.availableMetadataObjectTypes.contains(.qr) else {
-        guard captureSession.canAddOutput(output) else { return }
+                captureSession.removeOutput(output)
-        captureSession.addOutput(output)
+                captureSession.removeInput(input)
-        output.setMetadataObjectsDelegate(self, queue: DispatchQueue.main)
+                return false
-        output.metadataObjectTypes = [.qr]
+            }
-
+            output.setMetadataObjectsDelegate(self, queue: .main)
-        let layer = AVCaptureVideoPreviewLayer(session: captureSession)
+            output.metadataObjectTypes = [.qr]
-        layer.videoGravity = .resizeAspectFill
+            return true
-        view.layer.insertSublayer(layer, at: 0)
+        }, completion: { [weak self] succeeded in
-        previewLayer = layer
+            guard let self else { return }
-        isCameraConfigured = true
+            self.isCameraConfiguring = false
-
+            guard succeeded else {
-        updatePreviewLayout()
+                self.showToast("无法打开相机")
-        startCaptureSessionIfNeeded()
+                return
+            }
+            let layer = AVCaptureVideoPreviewLayer(session: self.captureSession)
+            layer.videoGravity = .resizeAspectFill
+            self.view.layer.insertSublayer(layer, at: 0)
+            self.previewLayer = layer
+            self.isCameraConfigured = true
+            self.updatePreviewLayout()
+            self.startCaptureSessionIfNeeded()
+        })
     }
 
     private func updatePreviewLayout() {
@@ -138,17 +156,12 @@ final class QRCodeScannerViewController: BaseViewController, AVCaptureMetadataOu
     }
 
     private func startCaptureSessionIfNeeded() {
-        guard isCameraConfigured, !captureSession.isRunning else { return }
+        guard isScannerVisible, isCameraConfigured, !hasHandledResult else { return }
-        DispatchQueue.global(qos: .userInitiated).async { [weak self] in
+        captureController.setRunning(true)
-            self?.captureSession.startRunning()
-        }
     }
 
     private func stopCaptureSession() {
-        guard captureSession.isRunning else { return }
+        captureController.setRunning(false)
-        DispatchQueue.global(qos: .userInitiated).async { [weak self] in
-            self?.captureSession.stopRunning()
-        }
     }
 
     private func updateMask() {

suixinkanTests/QRCodeCaptureSessionControllerTests.swift

@@ -0,0 +1,105 @@
+import XCTest
+@testable import suixinkan
+
+/// 回归验证相机配置期间启动、快速关闭和重复启动的顺序。
+final class QRCodeCaptureSessionControllerTests: XCTestCase {
+    func testStartWaitsForConfigurationCommit() {
+        let session = RecordingCaptureSession()
+        let queue = DispatchQueue(label: "qr-capture-test")
+        let controller = QRCodeCaptureSessionController(session: session, queue: queue)
+        let entered = DispatchSemaphore(value: 0)
+        let release = DispatchSemaphore(value: 0)
+        let completed = expectation(description: "configuration committed")
+
+        controller.configure({
+            entered.signal()
+            _ = release.wait(timeout: .now() + 5)
+            return true
+        }, completion: { succeeded in
+            XCTAssertTrue(Thread.isMainThread)
+            XCTAssertTrue(succeeded)
+            completed.fulfill()
+        })
+        XCTAssertEqual(entered.wait(timeout: .now() + 5), .success)
+        controller.setRunning(true)
+        release.signal()
+        queue.sync {
+            XCTAssertEqual(session.events, ["begin", "commit", "start"])
+            XCTAssertFalse(session.startedDuringConfiguration)
+        }
+        wait(for: [completed], timeout: 5)
+    }
+
+    func testImmediateCloseStopsPendingStart() {
+        let session = RecordingCaptureSession()
+        let queue = DispatchQueue(label: "qr-capture-test")
+        let controller = QRCodeCaptureSessionController(session: session, queue: queue)
+        controller.configure({ true }, completion: { _ in })
+        controller.setRunning(true)
+        controller.setRunning(false)
+        queue.sync {
+            XCTAssertEqual(session.events, ["begin", "commit", "start", "stop"])
+            XCTAssertFalse(session.isRunning)
+        }
+    }
+
+    func testRepeatedStartAndStopAreIdempotent() {
+        let session = RecordingCaptureSession()
+        let queue = DispatchQueue(label: "qr-capture-test")
+        let controller = QRCodeCaptureSessionController(session: session, queue: queue)
+        controller.configure({ true }, completion: { _ in })
+        controller.setRunning(true)
+        controller.setRunning(true)
+        controller.setRunning(false)
+        controller.setRunning(false)
+        queue.sync {
+            XCTAssertEqual(session.events, ["begin", "commit", "start", "stop"])
+        }
+    }
+
+    func testFailedConfigurationCommitsButDoesNotStart() {
+        let session = RecordingCaptureSession()
+        let queue = DispatchQueue(label: "qr-capture-test")
+        let controller = QRCodeCaptureSessionController(session: session, queue: queue)
+        let completed = expectation(description: "configuration failed")
+        controller.configure({ false }, completion: { succeeded in
+            XCTAssertFalse(succeeded)
+            completed.fulfill()
+        })
+        controller.setRunning(true)
+        queue.sync {
+            XCTAssertEqual(session.events, ["begin", "commit"])
+            XCTAssertFalse(session.isRunning)
+        }
+        wait(for: [completed], timeout: 5)
+    }
+}
+
+/// 记录调用顺序并检测配置事务内启动的会话替身，仅在测试串行队列读写。
+private final class RecordingCaptureSession: QRCodeCaptureSession {
+    var isRunning = false
+    var events: [String] = []
+    var startedDuringConfiguration = false
+    private var configuring = false
+
+    func beginConfiguration() {
+        configuring = true
+        events.append("begin")
+    }
+
+    func commitConfiguration() {
+        configuring = false
+        events.append("commit")
+    }
+
+    func startRunning() {
+        startedDuringConfiguration = configuring
+        isRunning = true
+        events.append("start")
+    }
+
+    func stopRunning() {
+        isRunning = false
+        events.append("stop")
+    }
+}