diff --git a/PEIS/Model/ReportModel.cs b/PEIS/Model/ReportModel.cs
index ba33228..8e35b5a 100644
--- a/PEIS/Model/ReportModel.cs
+++ b/PEIS/Model/ReportModel.cs
@@ -198,13 +198,37 @@ namespace PEIS.Model
             {
                 using (MemoryStream memoryStream = new MemoryStream(heart[0].ReportImage))
                 {
-                    Image bitmap = Image.FromStream(memoryStream);
-                    using (MemoryStream stream = new MemoryStream())
+                    if (ReportHelper.IsPdf(heart[0].ReportImage))
                     {
-                        bitmap.RotateFlip(RotateFlipType.Rotate270FlipNone);
-                        bitmap.Save(stream, ImageFormat.Jpeg);
-                        var img = stream.ToArray();
-                        pacs.Add(new Report { ReportImage = img });
+                        // PDF格式
+                        using (PdfDocument pdfDocument = PdfDocument.Load(memoryStream))
+                        {
+                            for (int pageIndex = 0; pageIndex < pdfDocument.PageCount; pageIndex++)
+                            {
+                                using (Image bitmap = pdfDocument.Render(pageIndex, 2480, 3508, false))
+                                {
+                                    using (MemoryStream stream = new MemoryStream())
+                                    {
+                                        bitmap.RotateFlip(RotateFlipType.Rotate270FlipNone);
+                                        bitmap.Save(stream, ImageFormat.Jpeg);
+                                        var img = stream.ToArray();
+                                        pacs.Add(new Report { ReportImage = img });
+                                    }
+                                }
+                            }
+                        }
+                    }
+                    else
+                    {
+                        // 图片格式
+                        Image bitmap = Image.FromStream(memoryStream);
+                        using (MemoryStream stream = new MemoryStream())
+                        {
+                            bitmap.RotateFlip(RotateFlipType.Rotate270FlipNone);
+                            bitmap.Save(stream, ImageFormat.Jpeg);
+                            var img = stream.ToArray();
+                            pacs.Add(new Report { ReportImage = img });
+                        }
                     }
                 }
 
diff --git a/PEIS/Utils/ReportHelper.cs b/PEIS/Utils/ReportHelper.cs
index 330de0f..aa810a5 100644
--- a/PEIS/Utils/ReportHelper.cs
+++ b/PEIS/Utils/ReportHelper.cs
@@ -32,37 +32,7 @@ using FastReport.Export.Pdf;
 namespace PEIS.Utils
 {
     public static class ReportHelper
-    { 
-       
-        // 逆时针旋转图片的函数
-        public static Image RotateImage(Image img)
-        {
-            // 旋转角度为负90度
-            float angle = -90f;
-
-            // 计算旋转后的图像的矩形范围
-            RectangleF bounds = new RectangleF(0, 0, img.Height, img.Width);
-
-            // 创建旋转后的位图
-            Bitmap rotatedImage = new Bitmap((int)bounds.Width, (int)bounds.Height);
-            rotatedImage.SetResolution(img.HorizontalResolution, img.VerticalResolution);
-
-            using (Graphics g = Graphics.FromImage(rotatedImage))
-            {
-                // 设置插值模式以改善旋转后图像的质量
-                g.InterpolationMode = InterpolationMode.HighQualityBicubic;
-                // 设置旋转中心点
-                g.TranslateTransform(rotatedImage.Width / 2, rotatedImage.Height / 2);
-                // 旋转角度
-                g.RotateTransform(angle);
-                // 将旋转中心点恢复到原点
-                g.TranslateTransform(-img.Width / 2, -img.Height / 2);
-                // 绘制旋转后的图片
-                g.DrawImage(img, new PointF(0, 0));
-            }
-
-            return rotatedImage;
-        }
+    {
 
         /// <summary>
         /// PDF to Image
@@ -73,34 +43,40 @@ namespace PEIS.Utils
         {
             try
             {
-                // 德宏中医院 ECG 心电保存的结果为图片JPG 不是PDF
-                using (var ms = new MemoryStream(pdf, 0, pdf.Length))
+                if (IsPdf(pdf))
                 {
-                    return Image.FromStream(ms, true);
-                }
-                using (var memoryStream = new MemoryStream(pdf))
-                {
-                    using (var pdfDocument = PdfiumViewer.PdfDocument.Load(memoryStream))
+                    // PDF格式
+                    using (var memoryStream = new MemoryStream(pdf))
                     {
-                        for (var pageIndex = 0; pageIndex < pdfDocument.PageCount; pageIndex++)
+                        using (var pdfDocument = PdfiumViewer.PdfDocument.Load(memoryStream))
                         {
-                            using (var bitmap = pdfDocument.Render(pageIndex, 2480, 3508, false))
+                            for (var pageIndex = 0; pageIndex < pdfDocument.PageCount; pageIndex++)
                             {
-                                using (var stream = new MemoryStream())
+                                using (var bitmap = pdfDocument.Render(pageIndex, 2480, 3508, false))
                                 {
-                                    bitmap.RotateFlip(RotateFlipType.Rotate90FlipNone);
-                                    bitmap.Save(stream, ImageFormat.Jpeg);
-                                    var img = stream.ToArray();
-
-                                    using (var ms = new MemoryStream(img, 0, img.Length))
+                                    using (var stream = new MemoryStream())
                                     {
-                                        return Image.FromStream(ms, true);
+                                        bitmap.Save(stream, ImageFormat.Jpeg);
+                                        var img = stream.ToArray();
+
+                                        using (var ms = new MemoryStream(img, 0, img.Length))
+                                        {
+                                            return Image.FromStream(ms, true);
+                                        }
                                     }
                                 }
                             }
                         }
                     }
                 }
+                else
+                {
+                    // 图片格式
+                    using (var ms = new MemoryStream(pdf, 0, pdf.Length))
+                    {
+                        return Image.FromStream(ms, true);
+                    }
+                }
             }
             catch (Exception ex)
             {
@@ -110,6 +86,28 @@ namespace PEIS.Utils
             return null;
         }
 
+        /// <summary>
+        /// 判断是否PDF
+        /// </summary>
+        /// <param name="fileBytes"></param>
+        /// <returns></returns>
+        public static bool IsPdf(byte[] fileBytes)
+        {
+            const string pdfSignature = "%PDF";
+            if (fileBytes.Length >= pdfSignature.Length)
+            {
+                for (int i = 0; i < pdfSignature.Length; i++)
+                {
+                    if (fileBytes[i] != pdfSignature[i])
+                    {
+                        return false;
+                    }
+                }
+                return true;
+            }
+            return false;
+        }
+
         /// <summary>
         /// 获取报告单
         /// </summary>
diff --git a/PEIS/View/Exam/PartForm.cs b/PEIS/View/Exam/PartForm.cs
index ad7e4ec..5ac6f53 100644
--- a/PEIS/View/Exam/PartForm.cs
+++ b/PEIS/View/Exam/PartForm.cs
@@ -1016,8 +1016,7 @@ namespace PEIS.View.Exam
                     var img = ReportHelper.PdfToImg(item.ReportImg);
                     if (img != null)
                     {
-                        var newImg = ReportHelper.RotateImage(img);
-                        Invoke(new Action(() => { picReportExt.Image = newImg; }));
+                        Invoke(new Action(() => { picReportExt.Image = img; picReportExt.Dock = DockStyle.Fill; picReportExt.SizeMode = PictureBoxSizeMode.Zoom; }));
                     }
 
                     return;
diff --git a/PEIS/View/Exam/TotalForm.cs b/PEIS/View/Exam/TotalForm.cs
index 2e837f0..2324028 100644
--- a/PEIS/View/Exam/TotalForm.cs
+++ b/PEIS/View/Exam/TotalForm.cs
@@ -1011,8 +1011,7 @@ namespace PEIS.View.Exam
                     var img = ReportHelper.PdfToImg(item.ReportImg);
                     if (img != null)
                     {
-                        var newImg = ReportHelper.RotateImage(img);
-                        Invoke(new Action(() => { PictureBoxReportExt.Image = newImg; }));
+                        Invoke(new Action(() => { PictureBoxReportExt.Image = img; PictureBoxReportExt.Dock = DockStyle.Fill; PictureBoxReportExt.SizeMode = PictureBoxSizeMode.Zoom; }));
                     }
 
                     return;