diff --git a/dislocker_client.py b/dislocker_client.py
index 69a61cf..2867c89 100644
--- a/dislocker_client.py
+++ b/dislocker_client.py
@@ -121,6 +121,7 @@ class Lock(customtkinter.CTkToplevel):
 
         self.password_entry = customtkinter.CTkEntry(self.input_frame, placeholder_text='パスワード', show='*', font=self.textbox_font)
         self.password_entry.grid(row=0, column=0, padx=10, sticky="ew")
+        self.password_entry.bind("<Return>", self.auth_start_ev)
 
         self.button_frame = customtkinter.CTkFrame(self, corner_radius=0, fg_color='transparent')
         self.button_frame.grid(row=3, column=0, padx=10, pady=10, sticky="nsew")
@@ -136,7 +137,7 @@ class Lock(customtkinter.CTkToplevel):
 
         self.signin_button = customtkinter.CTkButton(self.button_frame, text='ヘルプ', command=self.help_dummy, font=self.button_font)
         self.signin_button.grid(row=0, column=0, padx=10, sticky="w")
-
+        
         self.keyboard_listener_thread = threading.Thread(target=self.keyboard_listener)
         self.keyboard_listener_thread.daemon = True
         self.keyboard_listener_thread.start()
@@ -156,6 +157,12 @@ class Lock(customtkinter.CTkToplevel):
         auth_thread.daemon = True
         auth_thread.start()
 
+    def auth_start_ev(self, event):
+        auth_thread = threading.Thread(target=self.auth)
+        auth_thread.daemon = True
+        auth_thread.start()
+
+
     def auth(self):
         password = str(self.password_entry.get())
         if len(password) == 10: