diff --git a/Video.xaml.cs b/Video.xaml.cs
index 5b12e03..e77f8b8 100644
--- a/Video.xaml.cs
+++ b/Video.xaml.cs
@@ -19,6 +19,7 @@ namespace VideoConcat
     public partial class Video : Window
     {
         public string text = "", outPut = "";
+        static int totalVideoCount = 0;
 
         public Dictionary<int, string[]> videoFolders = [];
 
@@ -56,11 +57,18 @@ namespace VideoConcat
 
                 return;
             }
-
-            WriteTxt($"生成视频的个数:{GenerateVideoCount} 个");
+            totalVideoCount = 0;
 
             Check_Folder();
 
+            WriteTxt($"最多可生成视频个数为{totalVideoCount}个");
+
+            if (GenerateVideoCount > totalVideoCount)
+            {
+                WriteTxt($"生成视频个数不能超过{totalVideoCount}个");
+                return;
+            }
+
 
             MakeOutPutDir();
 
@@ -91,6 +99,7 @@ namespace VideoConcat
 
         private void Check_Folder()
         {
+            WriteTxt("开始检测视频文件路径");
             DirectoryInfo? directory = Directory.GetParent(ParentPath);
             if (directory == null)
             {
@@ -107,20 +116,32 @@ namespace VideoConcat
             try
             {
                 int k = 1;
-                for (int i = 100; i >0; i--)
+                for (int i = 1; i < 100; i++)
                 {
 
                     var folder = string.Format("{0:D2}", i);
                     string currentFolderPath = $"{Path}\\{folder}";
                     if (Directory.Exists(currentFolderPath))
                     {
+
+
                         string[] videos = GetAllVideos(currentFolderPath);
                         if (videos.Length > 0)
                         {
+                            if(totalVideoCount == 0)
+                            {
+                                totalVideoCount = 1;
+                            }
+                            WriteTxt($"检测到视频文件夹:{folder},视频个数:{videos.Length}");
+                            totalVideoCount *= videos.Length;
                             videoFolders.Add(k, videos);
                             AllPublicCombinVideos.Add(k, new A());
                             k++;
                         }
+                        else
+                        {
+                            WriteTxt($"视频文件夹【{folder}】未发现MP4格式视频文件");
+                        }
                     }
 
                 }
@@ -230,6 +251,10 @@ namespace VideoConcat
         {
             List<string> lss = [];
             List<Task> tasks = [];
+            Random rd = new();
+
+            ls = [.. ls.OrderBy(x => rd.Next())];
+
 
             foreach (var item in ls)
             {