fix many bugs

options/options.py

@@ -1,3 +1,4 @@
+import os
 from django.core.cache import cache
 from django.db import transaction, IntegrityError
 
@@ -6,6 +7,11 @@ from utils.shortcuts import rand_str
 from .models import SysOptions as SysOptionsModel
 
 
+def default_token():
+    token = os.environ.get("JUDGE_SERVER_TOKEN")
+    return token if token else rand_str()
+
+
 class OptionKeys:
     website_base_url = "website_base_url"
     website_name = "website_name"
@@ -25,7 +31,7 @@ class OptionDefaultValue:
     allow_register = True
     submission_list_show_all = True
     smtp_config = {}
-    judge_server_token = rand_str
+    judge_server_token = default_token
 
 
 class _SysOptionsMeta(type):