*Your account can be made up of lowercase letters of the alphabet, Chinese characters, numbers,</P>
<P>the byte length is between 4 to 20. One Chinese character is 2 bytes.</P>
<P>the byte length is between 4 to 20. One Chinese character is 2 bytes.</P>
<P>the byte length is between 4 to 20. One Chinese character is 2 bytes.

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Your account can be made up of lowercase letters of the alphabet, Chinese characters, numbers,

the byte length is between 4 to 20. One Chinese character is 2 bytes.

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