I'm a new beginner of shell scripting. I cannot figure out why the following script keep pop up warning that there are some missing 「"」? Can someone help me take a look?
  if [ $portalweb_prepared == "true"];then
    CHECK="false";
  elif [ $ims_prepared == "true"] &&[ $same_version == "false" ];then
    CHECK="false";
  elif [ $portalapi_prepared == "true"] &&[ $same_version == "false" ];then
    CHECK="false";
  fi
 
    