预留在线升级功能

.example.env

@@ -1 +1,24 @@
-APP_DEBUG = false
+APP_DEBUG = false
+VERSION = 4.0.2
+
+rootuid = 1
+
+[APP]
+DEFAULT_TIMEZONE = Asia/Shanghai
+
+[DATABASE]
+TYPE = {type}
+HOSTNAME = {hostname}
+DATABASE = {database}
+USERNAME = {username}
+PASSWORD = {password}
+HOSTPORT = {hostport}
+CHARSET = utf8
+PREFIX = {prefix}
+DEBUG = false
+
+[LANG]
+default_lang = zh-cn
+
+[JWT]
+SECRET={secret}