diff --git a/lib/upload_image/look_images_widget.dart b/lib/upload_image/look_images_widget.dart
index 80c3c3b..641dd65 100644
--- a/lib/upload_image/look_images_widget.dart
+++ b/lib/upload_image/look_images_widget.dart
@@ -129,6 +129,71 @@ class _LookImagesWidgetState extends State<LookImagesWidget> {
     return null;
   }
 
+
+  /// 可选：根据字节头自动识别文件后缀（如图片、视频）
+  String getExtension(Uint8List uint8List) {
+    if (uint8List.length < 4) return "bin"; // 无法识别时返回二进制后缀
+
+    // PNG 头：89 50 4E 47
+    if (uint8List[0] == 0x89 &&
+        uint8List[1] == 0x50 &&
+        uint8List[2] == 0x4E &&
+        uint8List[3] == 0x47) {
+      return "png";
+    }
+    // JPG 头：FF D8 FF
+    else if (uint8List[0] == 0xFF && uint8List[1] == 0xD8 && uint8List[2] == 0xFF) {
+      return "jpg";
+    }
+    // MP4 头：00 00 00 18 66 74 79 70
+    else if (uint8List.length >= 8 &&
+        uint8List[0] == 0x00 &&
+        uint8List[1] == 0x00 &&
+        uint8List[2] == 0x00 &&
+        uint8List[3] == 0x18 &&
+        uint8List[4] == 0x66 &&
+        uint8List[5] == 0x74 &&
+        uint8List[6] == 0x79 &&
+        uint8List[7] == 0x70) {
+      return "mp4";
+    }
+    // 其他格式可自行扩展（如 GIF、PDF 等）
+    else {
+      return "bin";
+    }
+  }
+
+  /// Uint8List 转临时 File
+  Future<File?> uint8ListToTempFile(Uint8List uint8List, {String fileName = "temp_file"}) async {
+    try {
+      // 1. 获取临时存储目录（跨平台兼容）
+      Directory tempDir = await getTemporaryDirectory();
+      String tempPath = tempDir.path;
+
+      // 2. 拼接文件路径（可自定义后缀，如 .png、.mp4 等）
+      File tempFile = File("$tempPath/$fileName.${getExtension(uint8List)}"); // 自动识别后缀（可选）
+
+      // 3. 将 Uint8List 写入文件
+      await tempFile.writeAsBytes(uint8List);
+      print("临时文件路径：${tempFile.path}");
+      String imageUrl = await UploadOss.upload(
+        tempFile.path,
+        fileType: getExtension(uint8List),
+        oSSAccessKeyId: widget.oSSAccessKeyId ?? '',
+        ossHost: widget.ossHost ?? '',
+        ossDirectory: widget.ossDirectory ?? '',
+        policy: widget.policy ?? '',
+        callback: widget.callback ?? '',
+        signature: widget.signature ?? '',
+      );
+      print("上传后的路径：$imageUrl");
+      return tempFile;
+    } catch (e) {
+      print("转换临时文件失败：$e");
+      return null;
+    }
+  }
+
   @override
   void initState() {
     listData = widget.listData;
@@ -173,69 +238,7 @@ class _LookImagesWidgetState extends State<LookImagesWidget> {
               child: GestureDetector(
                   onTap: () async {
                     Uint8List? imageFile = await editImage(url: listData[currentPage]);
-
-                    /// 可选：根据字节头自动识别文件后缀（如图片、视频）
-                    String getExtension(Uint8List uint8List) {
-                      if (uint8List.length < 4) return "bin"; // 无法识别时返回二进制后缀
-
-                      // PNG 头：89 50 4E 47
-                      if (uint8List[0] == 0x89 &&
-                          uint8List[1] == 0x50 &&
-                          uint8List[2] == 0x4E &&
-                          uint8List[3] == 0x47) {
-                        return "png";
-                      }
-                      // JPG 头：FF D8 FF
-                      else if (uint8List[0] == 0xFF && uint8List[1] == 0xD8 && uint8List[2] == 0xFF) {
-                        return "jpg";
-                      }
-                      // MP4 头：00 00 00 18 66 74 79 70
-                      else if (uint8List.length >= 8 &&
-                          uint8List[0] == 0x00 &&
-                          uint8List[1] == 0x00 &&
-                          uint8List[2] == 0x00 &&
-                          uint8List[3] == 0x18 &&
-                          uint8List[4] == 0x66 &&
-                          uint8List[5] == 0x74 &&
-                          uint8List[6] == 0x79 &&
-                          uint8List[7] == 0x70) {
-                        return "mp4";
-                      }
-                      // 其他格式可自行扩展（如 GIF、PDF 等）
-                      else {
-                        return "bin";
-                      }
-                    }
-
-                    /// Uint8List 转临时 File
-                    Future<File?> uint8ListToTempFile(Uint8List uint8List, {String fileName = "temp_file"}) async {
-                      try {
-                        // 1. 获取临时存储目录（跨平台兼容）
-                        Directory tempDir = await getTemporaryDirectory();
-                        String tempPath = tempDir.path;
-
-                        // 2. 拼接文件路径（可自定义后缀，如 .png、.mp4 等）
-                        File tempFile = File("$tempPath/$fileName.${getExtension(uint8List)}"); // 自动识别后缀（可选）
-
-                        // 3. 将 Uint8List 写入文件
-                        await tempFile.writeAsBytes(uint8List);
-                        print("临时文件路径：${tempFile.path}");
-                        String string = await UploadOss.upload(
-                          tempFile.path,
-                          fileType: getExtension(uint8List),
-                          oSSAccessKeyId: widget.oSSAccessKeyId ?? '',
-                          ossHost: widget.ossHost ?? '',
-                          ossDirectory: widget.ossDirectory ?? '',
-                          policy: widget.policy ?? '',
-                          callback: widget.callback ?? '',
-                          signature: widget.signature ?? '',
-                        );
-                        return tempFile;
-                      } catch (e) {
-                        print("转换临时文件失败：$e");
-                        return null;
-                      }
-                    }
+                    uint8ListToTempFile(imageFile??Uint8List(0));
                   },
                   child: Icon(Icons.edit, color: Colors.white))),
           //图片张数指示器