I found we lose some images files in our BG CD and Our IOT website(maybe inculd the backup for Darby ,even external website) , I can't upload those file due to i don't have it now . So try to find those files out . 

i wrote some in ip/tool/ ..: 
tools/images/dataminimg01.gif  
tools/images/dataminimg02.gif  
tools/images/dataminimg03.gif
tools/images/dataminimg04.gif
tools/images/dataminimg05.gif
tools/images/dw_builder_01.gif    
tools/images/dw_builder_02.gif
tools/images/dw_builder_03.gif
tools/images/dw_builder_04.gif
tools/images/dw_builder_05.gif 
tools/images/dw_builder_06.gif
tools/images/exp_ana_01.gif    
tools/images/exp_ana_02.gif
tools/images/exp_ana_03.gif
tools/images/exp_ana_04.gif
tools/images/exp_ana_05.gif
tools/images/exp_ana_06.gif 
tools/images/exp_ser_01.gif   
tools/images/exp_ser_02.gif 
tools/images/exp_ser_03.gif
tools/images/exp_ser_04.gif
tools/images/exp_ser_05.gif
tools/images/report_e__10.gif   
tools/images/report_e__11.gif       
tools/images/toid.gif