From 9e54d4cca1c7959d5d5bc00d345e8499fbcdfdcb Mon Sep 17 00:00:00 2001
From: New Future <NewFuture@users.noreply.github.com>
Date: Mon, 14 Jun 2021 12:20:46 +0000
Subject: [PATCH] doc(readme): update config

---
 README.md      | 6 ++++++
 util/config.py | 4 ++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index ff77b32f..bae23957 100644
--- a/README.md
+++ b/README.md
@@ -93,6 +93,12 @@
 
 ## 详细配置
 
+所有字段可通过三种方式进行配置
+
+1. 命令行参数 `ddns --key=value` (`ddns -h` 查看详情)，优先级最高
+2. JSON配置文件(值为null认为是有效值，会覆盖环境变量的设置，如果没有对应的key则会尝试试用环境变量)
+3. 环境变量DDNS_前缀加上key 全大写或者全小写 (`${ddns_key}` 或 `${DDNS_KEY}`)
+
 <details open>
 
 <summary markdown="span">config.json 配置文件
diff --git a/util/config.py b/util/config.py
index 7362148b..959c2742 100644
--- a/util/config.py
+++ b/util/config.py
@@ -55,9 +55,9 @@ def init_config(description, doc, version):
 
     __cli_args = parser.parse_args()
     is_configfile_optional = get_config("token") or get_config("id")
-    config_file = get_config("config");
+    config_file = get_config("config")
     if not is_configfile_optional or config_file is not None:
-        __load_config(config_file  or "config.json", is_configfile_optional)
+        __load_config(config_file or "config.json", is_configfile_optional)
         __cli_args.config = config_file or "config.json"