diff --git a/download_speed/config.py b/download_speed/config.py
index 1dd1e1f..5433f3b 100644
--- a/download_speed/config.py
+++ b/download_speed/config.py
@@ -1,7 +1,8 @@
 import argparse
 import json
 import sys
-print('Config is loaded.')
+
+print("Config is loaded.")
 _g_args = None
 _json_obj = None
 
@@ -43,8 +44,10 @@ def init_config():
     _args = parser.parse_args()
     _g_args = _args
     global _json_obj
-    _json_obj = read_json()
-    return _args
+    js = read_json()
+    if "mysql_enable" not in js:
+        js["mysql_enable"] = True  # 默认使用数据库
+    _json_obj = js
 
 
 def get(_setting):