diff --git a/app/settings/config.py b/app/settings/config.py
index 6b89bab..d393a57 100644
--- a/app/settings/config.py
+++ b/app/settings/config.py
@@ -57,9 +57,9 @@ class Settings(BaseSettings):
                     "password": "#@$3cJ?*=&981+--.$%^bnoZT12QfK",
                     "database": "bd_ai_fastapi",
                 },
-                "pool_size": 20,  # 增加连接池大小
-                "max_overflow": 10,  # 允许临时超过连接池大小的连接数
-                "pool_recycle": 300  # 连接回收时间(秒)
+                "pool_size": 10,  # 增加连接池大小
+                "max_overflow": 20,  # 允许临时超过连接池大小的连接数
+                "pool_recycle": 100  # 连接回收时间(秒)
             },
             # PostgreSQL configuration
             # Install with: tortoise-orm[asyncpg]