diff --git a/lua/fittencode/client.lua b/lua/fittencode/client.lua
index 4ef075b5..73c6ee85 100644
--- a/lua/fittencode/client.lua
+++ b/lua/fittencode/client.lua
@@ -27,9 +27,23 @@ local urls = {
     add_files_and_directories = '/codeapi/rag/add_files_and_directories',
 }
 
+local server_urls = {
+    ['+0800'] = 'https://fc.fittenlab.cn',
+}
+
+setmetatable(server_urls, {
+    __index = function()
+        return 'https://fc.fittenlab.com'
+    end
+})
+
+if Config.fitten.server_url == '' then
+    Config.fitten.server_url = server_urls[os.date('%z')]
+end
+
 for k, v in pairs(urls) do
     if not v:match('^https?://') then
-        urls[k] = Config.fitten.api_endpoint .. v
+        urls[k] = Config.fitten.server_url .. v
     end
 end
 
diff --git a/lua/fittencode/config.lua b/lua/fittencode/config.lua
index 536c540c..f4ba9b9a 100644
--- a/lua/fittencode/config.lua
+++ b/lua/fittencode/config.lua
@@ -11,8 +11,13 @@ local defaults = {
         -- * 'default'
         -- * 'enterprise'
         version = 'default',
-        api_endpoint = 'https://fc.fittenlab.cn',
-        api_key = '',
+        -- The server URL for Fitten Code.
+        -- Fitten Code will detect the server URL based on your timezone automatically if it's not set.
+        -- You can also change it to your own server URL if you have a private server.
+        -- Default server URL for different regions:
+        -- * China:         'https://fc.fittenlab.cn'
+        -- * International: 'https://fc.fittenlab.com'
+        server_url = '',
     },
     action = {
         document_code = {