boss      edit by bosss          "\头"\头 $假PNG头 = "\x89PNG\r\n\x1a\n"; GIF89a ÿØÿà PNG  IHDR{YKǮ$PLTE" tRNS*CQ}7n5sIDAT8Oc` Ttu޻w;lAfO*2 f ~,|!Cxyw(BΆ0Wޅ*P5  m Pɵ{bT.=m4vwIENDB`