解决偶现的数据库连接失败问题：Error: Handshake inactivity timeout

refer: https://www.it1352.com/1661615.html

config.example.json

@@ -5,6 +5,9 @@
         "user": "root",
         "password": "root",
         "port": 3306,
-        "database": ""
+        "database": "",
+        "connectTimeout": 3600000,
+        "acquireTimeout": 3600000,
+        "timeout": 3600000
     }
 }