diff --git a/src/main/java/HookKiller/server/common/type/LanguageType.java b/src/main/java/HookKiller/server/common/type/LanguageType.java
index b00c3c5..b2ae407 100644
--- a/src/main/java/HookKiller/server/common/type/LanguageType.java
+++ b/src/main/java/HookKiller/server/common/type/LanguageType.java
@@ -23,7 +23,8 @@ public static LanguageType findType(String value) {
 
     public static LanguageType findTypeByRequest(HttpServletRequest request) {
         if(request == null)
-            throw IllegalArgumentException.EXCEPTION;
+            return KO;
+//            throw IllegalArgumentException.EXCEPTION;
         return findType(request.getHeader(RequestHeaderConstants.KEY_LANGUAGE));
     }
 }