App version is too low. The reason why Tian Hong Fund app can't be opened is that the version of app is too low, so we just need to upgrade to the latest version. Tian Hong Fund is the first company in the industry with a scale of over one trillion in Public Offering of Fund. Tian Hongai Financial Management is the official App of Tian Hong Fund, a mass mobile financial management tool that meets all-round financial management needs.