fix: 固定首页常用应用图标尺寸

suixinkan/Features/Home/Services/HomeMenuIconFactory.swift

@@ -8,14 +8,49 @@ import UIKit
 /// 首页 / 全部功能菜单图标加载，统一 SF Symbol 与资源图的视觉尺寸。
 enum HomeMenuIconFactory {
 
+    /// 菜单图标统一使用的逻辑画布尺寸。
+    static let canvasSize = CGSize(width: 24, height: 24)
+
     /// 与菜单图标槽位（约 24–26pt）对齐的系统图标配置。
     static let symbolConfiguration = UIImage.SymbolConfiguration(pointSize: 18, weight: .medium)
 
-    /// 优先加载 Assets 资源图；否则按统一配置加载 SF Symbol。
+    private static let imageCache = NSCache<NSString, UIImage>()
+
+    /// 优先加载 Assets 资源图；否则加载 SF Symbol，并统一渲染到固定画布。
     static func image(named iconName: String) -> UIImage? {
-        if let asset = UIImage(named: iconName) {
-            return asset
+        let cacheKey = iconName as NSString
+        if let cachedImage = imageCache.object(forKey: cacheKey) {
+            return cachedImage
         }
-        return UIImage(systemName: iconName, withConfiguration: symbolConfiguration)
+
+        guard let sourceImage = UIImage(named: iconName)
+            ?? UIImage(systemName: iconName, withConfiguration: symbolConfiguration) else {
+            return nil
+        }
+
+        let normalizedImage = renderOnFixedCanvas(sourceImage)
+        imageCache.setObject(normalizedImage, forKey: cacheKey)
+        return normalizedImage
+    }
+
+    private static func renderOnFixedCanvas(_ image: UIImage) -> UIImage {
+        let sourceSize = image.size
+        guard sourceSize.width > 0, sourceSize.height > 0 else {
+            return image
+        }
+
+        let scale = min(canvasSize.width / sourceSize.width, canvasSize.height / sourceSize.height)
+        let drawSize = CGSize(width: sourceSize.width * scale, height: sourceSize.height * scale)
+        let drawRect = CGRect(
+            x: (canvasSize.width - drawSize.width) / 2,
+            y: (canvasSize.height - drawSize.height) / 2,
+            width: drawSize.width,
+            height: drawSize.height
+        )
+        let renderer = UIGraphicsImageRenderer(size: canvasSize)
+        let renderedImage = renderer.image { _ in
+            image.withRenderingMode(.alwaysOriginal).draw(in: drawRect)
+        }
+        return renderedImage.withRenderingMode(.alwaysTemplate)
     }
 }

suixinkan/UI/Home/Views/AllFunctionMenuCell.swift

@@ -75,9 +75,8 @@ final class AllFunctionMenuCell: UICollectionViewCell {
         cardView.clipsToBounds = true
 
         iconView.tintColor = AppColor.primary
-        iconView.contentMode = .scaleAspectFit
-        iconView.preferredSymbolConfiguration = HomeMenuIconFactory.symbolConfiguration
-
+        iconView.contentMode = .center
+        iconView.adjustsImageSizeForAccessibilityContentSizeCategory = false
 
         contentStackView.axis = .vertical
         contentStackView.alignment = .center

suixinkan/UI/Home/Views/HomeCollectionCells.swift

@@ -127,6 +127,13 @@ final class HomeMenuCell: UICollectionViewCell {
         fatalError("init(coder:) has not been implemented")
     }
 
+    override func prepareForReuse() {
+        super.prepareForReuse()
+        iconView.image = nil
+        iconView.accessibilityIdentifier = nil
+        titleLabel.text = nil
+    }
+
     func apply(menu: HomeMenuItem) {
         iconView.image = HomeMenuIconFactory.image(named: menu.iconName)
         iconView.accessibilityIdentifier = menu.iconName
@@ -146,9 +153,8 @@ final class HomeMenuCell: UICollectionViewCell {
         iconContainerView.layer.cornerRadius = 20
 
         iconView.tintColor = AppColor.primary
-        iconView.contentMode = .scaleAspectFit
-        iconView.preferredSymbolConfiguration = HomeMenuIconFactory.symbolConfiguration
-
+        iconView.contentMode = .center
+        iconView.adjustsImageSizeForAccessibilityContentSizeCategory = false
 
         contentStackView.axis = .vertical
         contentStackView.alignment = .center
@@ -176,6 +182,8 @@ final class HomeMenuCell: UICollectionViewCell {
         iconContainerView.snp.makeConstraints { make in
             make.width.height.equalTo(40)
         }
+        iconContainerView.setContentHuggingPriority(.required, for: .vertical)
+        iconContainerView.setContentCompressionResistancePriority(.required, for: .vertical)
         iconView.snp.makeConstraints { make in
             make.center.equalToSuperview()
             make.width.height.equalTo(24)