style: use another id for image in md

Author: CSUwangj

md2docx/GeneratedCode.cs

@@ -2098,7 +2098,7 @@ public static Run GenerateImageReference(int id, long width, long height)
             nonVisualPictureProperties1.Append(nonVisualPictureDrawingProperties1);
 
             Pic.BlipFill blipFill1 = new Pic.BlipFill();
-            A.Blip blip1 = new A.Blip() { Embed = $"rId{id}" };
+            A.Blip blip1 = new A.Blip() { Embed = $"image{id}" };
 
             A.Stretch stretch1 = new A.Stretch();
             A.FillRectangle fillRectangle1 = new A.FillRectangle();

md2docx/md2docx.cs

@@ -23,7 +23,7 @@ class Md2Docx
         static Dictionary<int, byte[]> imageDatas = new Dictionary<int, byte[]>();
         static Dictionary<int, string> imageType = new Dictionary<int, string>();
         static List<int> failImage = new List<int>();
-        static int imageCount = 3;
+        static int imageCount = 1;
         static bool hasFailImage = false;
 
         /// <summary>
@@ -120,7 +120,7 @@ private static void Main(string[] args)
 
                 foreach(int index in imageType.Keys)
                 {
-                    ImagePart imagePart = mainDocumentPart1.AddNewPart<ImagePart>($"image/{imageType[index]}", $"rId{index}");
+                    ImagePart imagePart = mainDocumentPart1.AddNewPart<ImagePart>($"image/{imageType[index]}", $"image{index}");
                     imagePart.FeedData(new MemoryStream(imageDatas[index]));
                 }
             }
@@ -273,7 +273,7 @@ private static void CovertMDInlines(RunProperties rp, IList<MarkdownInline> inli
                         ImageGetter image = new ImageGetter();
                         if (!image.Load(img.Url))
                         {
-                            failImage.Add(imageCount - 2);
+                            failImage.Add(imageCount);
                             hasFailImage = true;
                         }
                         imageType.Add(imageCount, image.Type);