安卓sqlite slow Delivery Detected

sqlite update失敗，非常疏忽的小問題，使用了readonly屬性，修改爲OPEN_READWRITE，可讀可寫即可update數據庫

 db = SQLiteDatabase.openDatabase("/data/data/com.example.2019_ncov_examine/conv2019.db",
                null, SQLiteDatabase.OPEN_READONLY | SQLiteDatabase.NO_LOCALIZED_COLLATORS);