Message in Chinese (Simplified) (中文(简体))
前缀“xmlns”已绑定到命名空间名称“http://www.w3.org/2000/xmlns/”。不能对它进行声明。其他前缀不能绑定到此命名空间名称，并且不能将它声明为默认命名空间。
Unlocalized message
The prefix 'xmlns' is bound to the namespace name 'http://www.w3.org/2000/xmlns/'. It must not be declared. Other prefixes must not be bound to this namespace name, and it must not be declared as the default namespace.
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