diff --git a/Sources/HLSRecorder.swift b/Sources/HLSRecorder.swift
index 9185c7c..da92dce 100644
--- a/Sources/HLSRecorder.swift
+++ b/Sources/HLSRecorder.swift
@@ -73,6 +73,12 @@ final class HLSRecorder: ObservableObject {
     // MARK: - 核心录制逻辑
     
     private func recordStream(url: URL) async throws -> URL {
+        // 本地文件直接复制，不走网络下载
+        if url.isFileURL {
+            NSLog("[MiniPlayer] recordStream: local file, copying directly")
+            return try await copyLocalFile(url: url)
+        }
+        
         // 判断是否为 HLS（m3u8 扩展名或 URL 含 m3u8 参数）
         let ext = url.pathExtension.lowercased()
         let isHLS = ext == "m3u8"
@@ -230,8 +236,23 @@ final class HLSRecorder: ObservableObject {
         return outputURL
     }
     
-    // MARK: - 普通文件下载
-    
+    // MARK: - 本地文件复制 / 网络下载
+
+    private func copyLocalFile(url: URL) async throws -> URL {
+        let ext = url.pathExtension.isEmpty ? "mp4" : url.pathExtension
+        let outputURL = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0]
+            .appendingPathComponent("MiniPlayer_Recording_\(Int(Date().timeIntervalSince1970)).\(ext)")
+        
+        if FileManager.default.fileExists(atPath: outputURL.path) {
+            try FileManager.default.removeItem(at: outputURL)
+        }
+        try FileManager.default.copyItem(at: url, to: outputURL)
+        NSLog("[MiniPlayer] copyLocalFile: %@ → %@ (%lld bytes)", 
+              url.lastPathComponent, outputURL.lastPathComponent,
+              (try? FileManager.default.attributesOfItem(atPath: outputURL.path)[.size] as? Int64) ?? 0)
+        return outputURL
+    }
+
     private func downloadFile(url: URL) async throws -> URL {
         let ext = url.pathExtension.isEmpty ? "mp4" : url.pathExtension
         let outputURL = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0]