Anyway, if I put some one-columned&nbsp;texts at the top of the first page, only the first page acts correctly. So I&#39;m thinking&nbsp;can&nbsp;we&nbsp;put some one-columned&nbsp;empty boxes into the \output routine or something?<br clear="all">
<br>-- <br>Sincerely yours,<br>Chen<br>----------------------------------------------------------------<br><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Zhi-chu Chen | Shanghai Synchrotron Radiation Facility<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; No. 2019 | Jialuo Rd. | Jiading | Shanghai | 
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