diff --git a/dislocker_client.py b/dislocker_client.py
index bb00374..59e8ccf 100644
--- a/dislocker_client.py
+++ b/dislocker_client.py
@@ -15,8 +15,11 @@ class App(customtkinter.CTk):
     def __init__(self):
         super().__init__()
         self.title(f"{app_name} | ロック中")
-        self.attributes('-fullscreen', True)
-        self.attributes('-topmost', True)
+        if client_config["testing"] == 1:
+            pass
+        else:
+            self.attributes('-fullscreen', True)
+            self.attributes('-topmost', True)
         
         self.frame = customtkinter.CTkFrame(self, corner_radius=0, fg_color='transparent')
         self.frame.grid(row=0, column=0, sticky='nsew')
@@ -150,6 +153,7 @@ if not os.path.isfile(client_config_path):
         "auth_host_url": "http://localhost",
         "pc_number": 1,
         "master_password_hash": "",
+        "testing": 0
 
     }
     with open(client_config_path, "w") as w: