diff --git a/src/N_m3u8DL-RE/CommandLine/CommandInvoker.cs b/src/N_m3u8DL-RE/CommandLine/CommandInvoker.cs
index 079525c..5aa3ff5 100644
--- a/src/N_m3u8DL-RE/CommandLine/CommandInvoker.cs
+++ b/src/N_m3u8DL-RE/CommandLine/CommandInvoker.cs
@@ -56,18 +56,8 @@ namespace N_m3u8DL_RE.CommandLine
         /// <returns></returns>
         private static Dictionary<string, string> ParseHeaders(ArgumentResult result)
         {
-            //默认的Headers
-            var headers = new Dictionary<string, string>()
-            {
-                ["user-agent"] = "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36"
-            };
             var array = result.Tokens.Select(t => t.Value).ToArray();
-            var otherHeaders = ConvertUtil.SplitHeaderArrayToDic(array);
-            foreach (var h in otherHeaders)
-            {
-                headers[h.Key] = h.Value;
-            }
-            return headers;
+            return ConvertUtil.SplitHeaderArrayToDic(array);
         }
 
         /// <summary>
diff --git a/src/N_m3u8DL-RE/CommandLine/MyOption.cs b/src/N_m3u8DL-RE/CommandLine/MyOption.cs
index 1403f3b..1672f23 100644
--- a/src/N_m3u8DL-RE/CommandLine/MyOption.cs
+++ b/src/N_m3u8DL-RE/CommandLine/MyOption.cs
@@ -13,7 +13,7 @@ namespace N_m3u8DL_RE.CommandLine
         /// <summary>
         /// See: <see cref="CommandInvoker.Headers"/>.
         /// </summary>
-        public Dictionary<string,string> Headers { get; set; } = new Dictionary<string,string>();
+        public Dictionary<string, string> Headers { get; set; } = new Dictionary<string, string>();
         /// <summary>
         /// See: <see cref="CommandInvoker.Keys"/>.
         /// </summary>
diff --git a/src/N_m3u8DL-RE/Program.cs b/src/N_m3u8DL-RE/Program.cs
index 75ce3d7..b7403ad 100644
--- a/src/N_m3u8DL-RE/Program.cs
+++ b/src/N_m3u8DL-RE/Program.cs
@@ -13,7 +13,6 @@ using N_m3u8DL_RE.Config;
 using N_m3u8DL_RE.Util;
 using N_m3u8DL_RE.DownloadManager;
 using N_m3u8DL_RE.CommandLine;
-using N_m3u8DL_RE.Entity;
 
 namespace N_m3u8DL_RE
 {
@@ -103,12 +102,23 @@ namespace N_m3u8DL_RE
                     }
                 }
 
+                //默认的headers
+                var headers = new Dictionary<string, string>()
+                {
+                    ["user-agent"] = "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36"
+                };
+                //添加或替换用户输入的headers
+                foreach (var item in option.Headers)
+                {
+                    headers[item.Key] = item.Value;
+                }
+
                 var parserConfig = new ParserConfig()
                 {
                     AppendUrlParams = option.AppendUrlParams,
                     UrlProcessorArgs = option.UrlProcessorArgs,
                     BaseUrl = option.BaseUrl!,
-                    Headers = option.Headers
+                    Headers = headers
                 };
 
                 //demo1