diff --git a/app/static/covers/af094183-41fa-400c-80c2-7bf1a3d27dbb_sgyy.jpg b/app/static/covers/af094183-41fa-400c-80c2-7bf1a3d27dbb_sgyy.jpg
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diff --git a/app/static/covers/e4c26733-cf8b-452e-a5dc-a47e14770dea.jpg b/app/static/covers/e4c26733-cf8b-452e-a5dc-a47e14770dea.jpg
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diff --git a/config.py b/config.py
index b6a75ee..862bb7b 100644
--- a/config.py
+++ b/config.py
@@ -8,10 +8,10 @@ DB_USER = os.environ.get('DB_USER', 'book20250428')
 DB_PASSWORD = os.environ.get('DB_PASSWORD', 'booksystem')
 DB_NAME = os.environ.get('DB_NAME', 'book_system')
 """
-DB_HOST = os.environ.get('DB_HOST', '127.0.0.1')
+DB_HOST = os.environ.get('DB_HOST', 'rm-bp1h5oqo8ld21viftro.mysql.rds.aliyuncs.com')
 DB_PORT = os.environ.get('DB_PORT', '3306')
-DB_USER = os.environ.get('DB_USER', 'root')
-DB_PASSWORD = os.environ.get('DB_PASSWORD', '12345678')
+DB_USER = os.environ.get('DB_USER', 'shiqi')
+DB_PASSWORD = os.environ.get('DB_PASSWORD', 'Shiqi1234!')
 DB_NAME = os.environ.get('DB_NAME', 'book_system')
 
 # 数据库连接字符串