supports local file system object storage and use it as the default avatar provider

src/locales/zh_Hans.js

@@ -592,6 +592,7 @@ export default {
         'not implemented': '未实现',
         'system is busy': '系统繁忙',
         'not supported': '不支持',
+        'image type not supported': '图片类型不支持',
         'database operation failed': '数据库操作失败',
         'SMTP server is not enabled': 'SMTP 服务器没有启用',
         'incomplete or incorrect submission': '提交不完整或不正确',
@@ -624,6 +625,9 @@ export default {
         'email validation not allowed': '不允许邮箱验证',
         'decimal separator and digit grouping symbol cannot be equal': '小数点和数字分组符号不能相同',
         'user default account is hidden': '不能把隐藏账户设置为默认账户',
+        'no user avatar': '没有用户头像文件',
+        'user avatar is empty': '用户头像文件为空',
+        'user avatar not exists': '用户头像不存在',
         'unauthorized access': '未授权的登录',
         'current token is invalid': '当前认证令牌无效',
         'current token is expired': '当前认证令牌已过期',
@@ -1159,6 +1163,8 @@ export default {
     'Basic Settings': '基本设置',
     'Security Settings': '安全设置',
     'Two-Factor Authentication Settings': '两步验证设置',
+    'Update Avatar': '更新头像',
+    'Remove Avatar': '删除头像',
     '(Verified)': '(已验证)',
     '(Not Verified)': '(未验证)',
     'Email address is verified': '邮箱地址已验证',
@@ -1170,6 +1176,11 @@ export default {
     'Please enter your current password when modifying your password': '修改密码时请输入您的当前密码',
     'Nothing has been modified': '没有修改的项目',
     'Your profile has been successfully updated': '您的用户信息更新成功',
+    'Unable to update user avatar': '无法更新用户头像',
+    'Your avatar has been successfully updated': '您的头像更新成功',
+    'Are you sure you want to remove avatar?': '您确定要删除头像？',
+    'Unable to remove user avatar': '无法删除用户头像',
+    'Your avatar has been successfully removed': '您的用户头像删除成功',
     'Unable to update user profile': '无法更新用户信息',
     'After changing the password, other devices will be logged out. Please use the new password to log in on other devices.': '密码修改后，其他设备将会退出登录，请使用新密码在其他设备上重新登录。',
     'Data Management': '数据管理',