diff --git a/chrome_tixcraft.py b/chrome_tixcraft.py
index ad7db3f..722da36 100644
--- a/chrome_tixcraft.py
+++ b/chrome_tixcraft.py
@@ -99,6 +99,18 @@ def t_or_f(arg):
         ret = True
     return ret
 
+def format_config_keyword_for_json(user_input):
+    if len(user_input) > 0:
+        if not ('\"' in user_input):
+            user_input = '"' + user_input + '"'
+        if user_input[:1]=="{" and user_input[-1:]=="}"
+            user_input=user_input[1:]
+            user_input=user_input[:-]
+        if user_input[:1]=="[" and user_input[-1:]=="]"
+            user_input=user_input[1:]
+            user_input=user_input[:-]
+    return user_input
+
 def sx(s1):
     key=18
     return ''.join(chr(ord(a) ^ key) for a in s1)
@@ -2333,6 +2345,7 @@ def tixcraft_verify(driver, config_dict, answer_index):
                     presale_code = text_file.readline()
 
     if len(presale_code) > 0:
+        presale_code = format_config_keyword_for_json(presale_code)
         answer_list = json.loads("["+ presale_code +"]")
         if len(answer_list) > 0:
             if answer_index < len(answer_list)-1:
@@ -3818,12 +3831,16 @@ def kktix_reg_captcha(driver, config_dict, answer_index, is_finish_checkbox_clic
             user_guess_string = ""
             if len(config_dict["advanced"]["user_guess_string"]) > 0:
                 user_guess_string = config_dict["advanced"]["user_guess_string"]
+            
+            # load from internet.
             if len(user_guess_string) == 0:
                 if len(config_dict["advanced"]["online_dictionary_url"]) > 0:
                     if os.path.exists(CONST_MAXBOT_ANSWER_ONLINE_FILE):
                         with open(CONST_MAXBOT_ANSWER_ONLINE_FILE, "r") as text_file:
                             user_guess_string = text_file.readline()
+            
             if len(user_guess_string) > 0:
+                user_guess_string = format_config_keyword_for_json(user_guess_string)
                 answer_list = json.loads("["+ user_guess_string +"]")
                 if len(answer_list) == 1:
                     inferred_answer_string = answer_list[0]
diff --git a/pip-req.txt b/pip-req.txt
index 2495deb..e3fe151 100644
--- a/pip-req.txt
+++ b/pip-req.txt
@@ -10,3 +10,4 @@ pyperclip
 ddddocr
 urllib3>=1.21.1
 numpy
+tornado
diff --git a/settings.py b/settings.py
index 081b194..54862f9 100644
--- a/settings.py
+++ b/settings.py
@@ -467,6 +467,18 @@ def load_translate():
     translate['ja_jp']=ja_jp
     return translate
 
+def format_config_keyword_for_json(user_input):
+    if len(user_input) > 0:
+        if not ('\"' in user_input):
+            user_input = '"' + user_input + '"'
+        if user_input[:1]=="{" and user_input[-1:]=="}"
+            user_input=user_input[1:]
+            user_input=user_input[:-]
+        if user_input[:1]=="[" and user_input[-1:]=="]"
+            user_input=user_input[1:]
+            user_input=user_input[:-]
+    return user_input
+
 def sx(s1):
     key=18
     return ''.join(chr(ord(a) ^ key) for a in s1)
@@ -747,17 +759,13 @@ def btn_save_act(language_code, slience_mode=False):
         config_dict["tixcraft"]["auto_reload_coming_soon_page"] = bool(chk_state_auto_reload_coming_soon_page.get())
 
         area_keyword = txt_area_keyword.get("1.0",END).strip()
-        if len(area_keyword) > 0:
-            if not ('\"' in area_keyword):
-                area_keyword = '"' + area_keyword + '"'
+        area_keyword = format_config_keyword_for_json(area_keyword)
+
         area_keyword_exclude = txt_area_keyword_exclude.get("1.0",END).strip()
-        if len(area_keyword_exclude) > 0:
-            if not ('\"' in area_keyword_exclude):
-                area_keyword_exclude = '"' + area_keyword_exclude + '"'
+        area_keyword_exclude = format_config_keyword_for_json(area_keyword_exclude)
+
         user_guess_string = txt_user_guess_string.get("1.0",END).strip()
-        if len(user_guess_string) > 0:
-            if not ('\"' in user_guess_string):
-                user_guess_string = '"' + user_guess_string + '"'
+        user_guess_string = format_config_keyword_for_json(user_guess_string)
 
         config_dict["area_auto_select"]["enable"] = bool(chk_state_area_auto_select.get())
         config_dict["area_auto_select"]["mode"] = combo_area_auto_select_mode.get().strip()
diff --git a/text_server.py b/text_server.py
index 5141c83..b0008b8 100644
--- a/text_server.py
+++ b/text_server.py
@@ -25,7 +25,8 @@ import asyncio
 import tornado
 from tornado.web import Application
 
-CONST_APP_VERSION = "MaxBot (2023.6.14)"
+CONST_APP_VERSION = "MaxBot (2023.6.15)"
+
 CONST_SERVER_PORT = 8888
 
 def get_ip_address():