Dreamweaver自带的FLVPlayer_Progressive.swf不能播放中文文件？

Dreamver自带的FLVPlayer_Progressive.swf不能播放中文文件。
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0" width="322" height="319" id="FLVPlayer">
<param name="movie" value="../Img/FLVPlayer_Progressive.swf" />
<param name="salign" value="lt" />
<param name="quality" value="high" />
<param name="scale" value="noscale" />
<param name="FlashVars" value="&MM_ComponentVersion=1&skinName=../Img/Halo_Skin_3&streamName=测试.flv&autoPlay=false&autoRewind=false" />
<embed src="../Img/FLVPlayer_Progressive.swf" flashvars="&MM_ComponentVersion=1&skinName=../Img/Halo_Skin_3&streamName=测试.flv&autoPlay=false&autoRewind=false" quality="high" scale="noscale" width="322" height="319" name="FLVPlayer" salign="LT" type="application/x-shockwave-flash" pluginspage="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash" />
</object>
我把flv文件名换成123.flv就能播放，不知何解，我试过用server.urlencode，但是好像不行，请问如何解决？