1e41f4b71Sopenharmony_ci# Account Subsystem ChangeLog 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci## cl.account_os_account.1 Expansion of Distributed Account Nickname and Profile Picture Specifications 4e41f4b71Sopenharmony_ci 5e41f4b71Sopenharmony_ciThe existing distributed account nickname and profile picture specifications cannot meet requirements in scenarios where the nickname is long and profile picture is large. 6e41f4b71Sopenharmony_ci 7e41f4b71Sopenharmony_ciTherefore, the distributed account nickname and profile picture specifications are expanded. 8e41f4b71Sopenharmony_ci 9e41f4b71Sopenharmony_ci**Change Impacts** 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_ciThe API change is forward compatible. Applications developed based on earlier versions can use the APIs in accordance with the new specifications, without affecting the original logic. 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci**Key API/Component Changes** 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ciBefore change: 16e41f4b71Sopenharmony_ci - The nickname cannot exceed 20 characters, and the profile picture size cannot exceed 3 MB. 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ciAfter change: 19e41f4b71Sopenharmony_ci - The nickname cannot exceed 1024 characters, and the profile picture size cannot exceed 10 MB. 20