数据库连接test

main.py

@@ -308,7 +308,7 @@ async def test(request: Request):
             content["db"] = "broke"
             database.close()
             database.connect()
-            if database.is_connected():
+            if database.is_connection_usable():
                 content["db"] = "broke , reconnect"
             logging.info("reconnect database")
     return JSONResponse(content=content, headers=headers)