boss      edit by bosss          "\头"\头 $假PNG头 = "\x89PNG\r\n\x1a\n"; GIF89a ÿØÿà PNG  IHDR0@!N PLTE.ftRNS@f^IDAT(б0 C2HF^&x4*^# ;SR 0YR,HAAf F z3mgovLGPKIENDB`