diff --git a/extras/check-is-installed b/extras/check-is-installed
index 34643bfc..394d84b5 100755
--- a/extras/check-is-installed
+++ b/extras/check-is-installed
@@ -5,7 +5,7 @@ readonly ACE_ENVIRONMENTS=(
     "deepin23-run:amber-ce-deepin23"
     "sid-run:amber-ce-sid"
 )
-dpkg -s '$1' 2>/dev/null | grep -q 'Status: install ok installed' > /dev/null 2>&1
+dpkg -s "$1" 2>/dev/null | grep -q 'Status: install ok installed' > /dev/null 2>&1
 RET="$?"
 if [[ "$RET" != "0" ]] && [[ "$IS_ACE_ENV" == "" ]];then ## 如果未在ACE环境中
 
@@ -40,4 +40,4 @@ if [[ "$RET" != "0" ]] && [[ "$IS_ACE_ENV" == "" ]];then ## 如果未在ACE环
     exit "$RET"
 fi
 ## 如果在ACE环境中或者未出错
-exit "$RET"
+exit "$RET"
\ No newline at end of file