diff --git a/src/N_m3u8DL-RE.Common/Log/Logger.cs b/src/N_m3u8DL-RE.Common/Log/Logger.cs
index eafbdc4..a5d69b1 100644
--- a/src/N_m3u8DL-RE.Common/Log/Logger.cs
+++ b/src/N_m3u8DL-RE.Common/Log/Logger.cs
@@ -45,21 +45,20 @@ namespace N_m3u8DL_RE.Common.Log
                     Directory.CreateDirectory(logDir);
                 }
 
-                LogFilePath = Path.Combine(logDir, DateTime.Now.ToString("yyyy-MM-dd_HH-mm-ss-fff") + ".log");
-                //若文件存在则加序号
+                var now = DateTime.Now;
+                LogFilePath = Path.Combine(logDir, now.ToString("yyyy-MM-dd_HH-mm-ss-fff") + ".log");
                 int index = 1;
                 var fileName = Path.GetFileNameWithoutExtension(LogFilePath);
+                string init = "LOG " + now.ToString("yyyy/MM/dd") + Environment.NewLine
+                              + "Save Path: " + Path.GetDirectoryName(LogFilePath) + Environment.NewLine
+                              + "Task Start: " + now.ToString("yyyy/MM/dd HH:mm:ss") + Environment.NewLine
+                              + "Task CommandLine: " + Environment.CommandLine;
+                init += $"{Environment.NewLine}{Environment.NewLine}";
+                //若文件存在则加序号
                 while (File.Exists(LogFilePath))
                 {
                     LogFilePath = Path.Combine(Path.GetDirectoryName(LogFilePath)!, $"{fileName}-{index++}.log");
                 }
-
-                string now = DateTime.Now.ToString("yyyy-MM-dd_HH-mm-ss");
-                string init = "LOG " + DateTime.Now.ToString("yyyy/MM/dd") + Environment.NewLine
-                              + "Save Path: " + Path.GetDirectoryName(LogFilePath) + Environment.NewLine
-                              + "Task Start: " + DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss") + Environment.NewLine
-                              + "Task CommandLine: " + Environment.CommandLine;
-                init += $"{Environment.NewLine}{Environment.NewLine}";
                 File.WriteAllText(LogFilePath, init, Encoding.UTF8);
             }
             catch (Exception ex)