diff --git a/script/env_check.sh b/script/env_check.sh
index b4af71d95..f51dca451 100644
--- a/script/env_check.sh
+++ b/script/env_check.sh
@@ -1,12 +1,12 @@
 #!/usr/bin/env bash
 source ./style_info.cfg
 
-echo -e "check time synchronize................................"
+echo -e "check time synchronize.................................."
 t=`curl http://time.akamai.com/?iso -s`
 t1=`date -d $t +%s`
 t2=`date +%s`
 let between=t2-t1
-if [[ $between > 10 ]] || [[ $between < -10 ]]; then
+if [[ $between -gt 10 ]] || [[ $between -lt -10 ]]; then
   echo -e ${RED_PREFIX}"Warning: The difference between the iso time and the server's time is too large: "$between"s" ${COLOR_SUFFIX}
 else
    echo -e ${GREEN_PREFIX} "ok: Server time is synchronized " ${COLOR_SUFFIX}