diff --git a/EhPanda/App/Tools/Defaults.swift b/EhPanda/App/Tools/Defaults.swift
index e13c56cc..b71946f2 100644
--- a/EhPanda/App/Tools/Defaults.swift
+++ b/EhPanda/App/Tools/Defaults.swift
@@ -65,6 +65,21 @@ struct Defaults {
     struct Regex {
         static let tagSuggestion: NSRegularExpression? = try? .init(pattern: "(\\S+:\".+?\"|\".+?\"|\\S+:\\S+|\\S+)")
     }
+    struct Network {
+        /// 普通请求超时时间（秒）
+        static let normalRequestTimeout: TimeInterval = 30.0
+        /// 普通请求资源超时时间（秒）
+        static let normalResourceTimeout: TimeInterval = 60.0
+        
+        /// 图片请求超时时间（秒）
+        static let imageRequestTimeout: TimeInterval = 60.0
+        /// 图片请求资源超时时间（秒）
+        static let imageResourceTimeout: TimeInterval = 120.0
+        
+        /// 重试次数
+        static let retryCount: Int = 3
+    }
+    
     struct URL {
         static var host: Foundation.URL { AppUtil.galleryHost == .exhentai ? exhentai : ehentai }
         static let ehentai: Foundation.URL = .init(string: "https://e-hentai.org/").forceUnwrapped
diff --git a/EhPanda/Network/DFExtensions.swift b/EhPanda/Network/DFExtensions.swift
index 1171a2d8..e72d2989 100644
--- a/EhPanda/Network/DFExtensions.swift
+++ b/EhPanda/Network/DFExtensions.swift
@@ -62,6 +62,40 @@ extension URLSessionConfiguration {
         config.protocolClasses = [DFURLProtocol.self]
         return config
     }
+    
+    /// 为普通请求配置的URLSession
+    static var normalRequest: URLSessionConfiguration {
+        let config = URLSessionConfiguration.default
+        config.timeoutIntervalForRequest = Defaults.Network.normalRequestTimeout
+        config.timeoutIntervalForResource = Defaults.Network.normalResourceTimeout
+        return config
+    }
+    
+    /// 为图片请求配置的URLSession
+    static var imageRequest: URLSessionConfiguration {
+        let config = URLSessionConfiguration.default
+        config.timeoutIntervalForRequest = Defaults.Network.imageRequestTimeout
+        config.timeoutIntervalForResource = Defaults.Network.imageResourceTimeout
+        return config
+    }
+    
+    #if DEBUG
+    /// 验证网络配置的调试方法
+    static func validateNetworkConfiguration() {
+        print("=== 网络配置验证 ===")
+        
+        let normalConfig = URLSessionConfiguration.normalRequest
+        print("普通请求超时: \(normalConfig.timeoutIntervalForRequest)秒")
+        print("普通资源超时: \(normalConfig.timeoutIntervalForResource)秒")
+        
+        let imageConfig = URLSessionConfiguration.imageRequest
+        print("图片请求超时: \(imageConfig.timeoutIntervalForRequest)秒")
+        print("图片资源超时: \(imageConfig.timeoutIntervalForResource)秒")
+        
+        print("重试次数: \(Defaults.Network.retryCount)次")
+        print("=== 配置验证完成 ===")
+    }
+    #endif
 }
 
 // MARK: CFHTTPMessage
diff --git a/EhPanda/Network/Request.swift b/EhPanda/Network/Request.swift
index f70b746a..ec57e726 100644
--- a/EhPanda/Network/Request.swift
+++ b/EhPanda/Network/Request.swift
@@ -37,7 +37,7 @@ extension Request {
 
 private extension Publisher {
     func genericRetry() -> Publishers.Retry<Self> {
-        retry(3)
+        retry(Defaults.Network.retryCount)
     }
 
     func async() async -> Result<Output, Failure> where Failure == AppError {
@@ -408,7 +408,7 @@ struct GalleryReverseRequest: Request {
     func galleryURL(url: URL) -> AnyPublisher<URL, AppError> {
         switch isGalleryImageURL {
         case true:
-            return URLSession.shared.dataTaskPublisher(for: url)
+            return URLSession(configuration: .imageRequest).dataTaskPublisher(for: url)
                 .tryMap { try Kanna.HTML(html: $0.data, encoding: .utf8) }
                 .tryMap(Parser.parseGalleryURL)
                 .mapError(mapAppError)
@@ -422,7 +422,7 @@ struct GalleryReverseRequest: Request {
     }
 
     func gallery(url: URL) -> AnyPublisher<Gallery, AppError> {
-        URLSession.shared.dataTaskPublisher(for: url)
+        URLSession(configuration: .normalRequest).dataTaskPublisher(for: url)
             .tryMap { try Kanna.HTML(html: $0.data, encoding: .utf8) }
             .compactMap {
                 guard let (detail, _) = try? Parser.parseGalleryDetail(doc: $0, gid: url.pathComponents[2])
@@ -545,7 +545,7 @@ struct GalleryNormalImageURLsRequest: Request {
     var publisher: AnyPublisher<([Int: URL], [Int: URL]), AppError> {
         thumbnailURLs.publisher
             .flatMap { index, url in
-                URLSession.shared.dataTaskPublisher(for: url)
+                URLSession(configuration: .imageRequest).dataTaskPublisher(for: url)
                     .genericRetry()
                     .tryMap { try Kanna.HTML(html: $0.data, encoding: .utf8) }
                     .tryMap { try Parser.parseGalleryNormalImageURL(doc: $0, index: index) }
@@ -589,7 +589,7 @@ struct GalleryNormalImageURLRefetchRequest: Request {
                 .setFailureType(to: AppError.self)
                 .eraseToAnyPublisher()
         } else {
-            return URLSession.shared.dataTaskPublisher(for: URLUtil.detailPage(url: galleryURL, pageNum: pageNum))
+            return URLSession(configuration: .normalRequest).dataTaskPublisher(for: URLUtil.detailPage(url: galleryURL, pageNum: pageNum))
                 .tryMap { try Kanna.HTML(html: $0.data, encoding: .utf8) }
                 .tryMap(Parser.parseThumbnailURLs)
                 .compactMap({ thumbnailURLs in thumbnailURLs[index] })
@@ -599,7 +599,7 @@ struct GalleryNormalImageURLRefetchRequest: Request {
     }
 
     func renewThumbnailURL(stored: URL) -> AnyPublisher<(URL, URL), AppError> {
-        URLSession.shared.dataTaskPublisher(for: stored)
+        URLSession(configuration: .imageRequest).dataTaskPublisher(for: stored)
             .tryMap { try Kanna.HTML(html: $0.data, encoding: .utf8) }
             .tryMap {
                 let identifier = try Parser.parseSkipServerIdentifier(doc: $0)
@@ -612,7 +612,7 @@ struct GalleryNormalImageURLRefetchRequest: Request {
 
     func imageURL(thumbnailURL: URL, anotherImageURL: URL)
     -> AnyPublisher<(URL, URL, HTTPURLResponse?), AppError> {
-        URLSession.shared.dataTaskPublisher(for: thumbnailURL)
+        URLSession(configuration: .imageRequest).dataTaskPublisher(for: thumbnailURL)
             .tryMap {
                 (try Kanna.HTML(html: $0.data, encoding: .utf8), $0.response as? HTTPURLResponse)
             }
@@ -687,7 +687,11 @@ struct DataRequest: Request {
     let url: URL
 
     var publisher: AnyPublisher<Data, AppError> {
-        URLSession.shared.dataTaskPublisher(for: url)
+        let urlString = url.absoluteString.lowercased()
+        let isImageURL = ["jpg", "jpeg", "png", "gif", "bmp", "webp"].contains { urlString.contains($0) }
+        let session = isImageURL ? URLSession(configuration: .imageRequest) : URLSession(configuration: .normalRequest)
+        
+        return session.dataTaskPublisher(for: url)
             .genericRetry()
             .map(\.data)
             .mapError(mapAppError)