diff --git a/README.md b/README.md
index 60d72de..34ce9fb 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,17 @@
 # H_D
+import os
+
+
+class Config:
+    # SECRET_KEY = os.environ.get('SECRET_KEY') or 'your_secret_key'
+    # SQLALCHEMY_TRACK_MODIFICATIONS = False
+
+    SECRET_KEY = '8665e31a29ab7e12cb0f92c1dbobj1e3a6a15230fb17'
+
+    # SQLALCHEMY_DATABASE_URI = os.environ.get('DATABASE_URL') or
+    # 'postgresql://username:password@localhost:5432/your dbname'
+
+    SQLALCHEMY_DATABASE_URI = os.environ.get('DATABASE_URL') or ('postgresql://postgres:123456@localhost:54321'
+                                                                 '/mini12306_python')
+    SQLALCHEMY_TRACK_MODIFICATIONS = False