diff --git a/Server/System/GItWebhook.cs b/Server/System/GItWebhook.cs
index 50bccca..b29ccb9 100644
--- a/Server/System/GItWebhook.cs
+++ b/Server/System/GItWebhook.cs
@@ -10,43 +10,34 @@ namespace Server.System
         public static Thread thread;
 
         private static AbstractGit git;
+        public static ErrorResp successResp;
 
         public static async Task<string> Process(HttpContext context)
         {
-            //TODO 아무때나 호출되지 않게 만들기
             string Response;
             try
             {
                 string eaDelivery = context.Request.Headers["X-Gitea-Delivery"];
-                string eaEvent = context.Request.Headers["X-Gitea-Event"];
-                string eaEventType = context.Request.Headers["X-Gitea-Event-Type"];
-                string eaSignature = context.Request.Headers["X-Gitea-Signature"];
 
-                Console.WriteLine($"X-Gitea-Delivery : {eaDelivery}");
-                Console.WriteLine($"X-Gitea-Event : {eaEvent}");
-                Console.WriteLine($"X-Gitea-Event-Type : {eaEventType}");
-                Console.WriteLine($"X-Gitea-Signature : {eaSignature}");
+                logger.Info($"SaveVersion : {eaDelivery}");
 
-                //task를 쓰면 멈출수가 없기에 thread를 사용
-                if (thread.ThreadState == ThreadState.Unstarted)
-                {
-                    thread.Start();
-                }
-                else if (thread.ThreadState == ThreadState.Stopped)
+                Response = successResp.ToJson();
+
+                //무작위 공격을 대비한 1차적인 방어조치
+                if (eaDelivery == "" || eaDelivery.Length < 15)
+                    return Response;
+
+                if (thread.ThreadState == ThreadState.Stopped)
                 {
+                    logger.Info("new excel update");
                     thread = new Thread(git.Init);
                     thread.Start();
-                } 
+                }
                 else if (thread.ThreadState == ThreadState.WaitSleepJoin || thread.ThreadState == ThreadState.Running)
                 {
+                    logger.Info("new excel restart");
                     git.isRestart = true;
                 }
-       
-
-                ErrorResp error = new ErrorResp();
-                error.status = 200;
-                error.message = "Success";
-                Response = error.ToJson();
             }
             catch (RuntimeException ex)
             {