diff --git a/install.sh b/install.sh
index 45045c0..cf0456c 100755
--- a/install.sh
+++ b/install.sh
@@ -11,7 +11,7 @@ NOCOLOR='\033[0m'
 
 PDFM_DIR="/Applications/Parallels Desktop.app"
 PDFM_LOC="/Library/Preferences/Parallels/parallels-desktop.loc"
-PDFM_VER="18.0.2-53077"
+PDFM_VER="18.0.3-53079"
 
 PDFM_DISP_CRACK="${BASE_PATH}/prl_disp_service"
 PDFM_DISP_DST="${PDFM_DIR}/Contents/MacOS/Parallels Service.app/Contents/MacOS/prl_disp_service"
@@ -20,7 +20,7 @@ PDFM_DISP_ENT="${BASE_PATH}/ParallelsService.entitlements"
 LICENSE_FILE="${BASE_PATH}/licenses.json"
 LICENSE_DST="/Library/Preferences/Parallels/licenses.json"
 
-PDFM_DISP_HASH="4793b6b9100f29dcae23fc28aa70208e0e39c5bb53a972aebeab12c015bcf913"
+PDFM_DISP_HASH="c45b432ed90b55ffef6ae9042f3ca162887d1a21581ae1f200248789d566e060"
 LICENSE_HASH="ac735f3ee7ac815539f07e68561baceda858cf7ac5887feae863f10a60db3d79"
 
 # read location from parallels-desktop.loc
@@ -51,7 +51,7 @@ if [ "${FILE_HASH}" != "${PDFM_DISP_HASH}" ]; then
   echo -e "${COLOR_ERR}[-] ${FILE_HASH} != ${PDFM_DISP_HASH}${NOCOLOR}"
   echo -e "${COLOR_ERR}[-] verify crack file (prl_disp_service) hash error.${NOCOLOR}"
   echo -e "${COLOR_ERR}[-] please re-download crack files.${NOCOLOR}"
-  exit 4
+  exit 3
 fi
 
 # check licenses.json hash
@@ -67,13 +67,15 @@ fi
 if [ "$EUID" -ne 0 ]; then
   echo -e "${COLOR_ERR}[-] Not have root permission, run sudo.${NOCOLOR}"
   exec sudo "$0" "$@"
-  exit $?
+  exit 5
 fi
 
 # if prl_disp_service running, stop it
-if pgrep -x "prl_disp_service" > /dev/null; then
-  echo -e "${COLOR_INFO}[*] Start Parallels Service${NOCOLOR}"
-  "${PDFM_DIR}/Contents/MacOS/Parallels Service" service_stop >/dev/null
+if pgrep -x "prl_disp_service" &> /dev/null; then
+  echo -e "${COLOR_INFO}[*] Stop Parallels Desktop${NOCOLOR}"
+  pkill -9 prl_client_app &>/dev/null
+  pkill -9 prl_disp_service &>/dev/null
+  launchctl stop /Library/LaunchDaemons/com.parallels.desktop.launchdaemon.plist &>/dev/null
 fi
 
 echo -e "${COLOR_INFO}[*] Copy prl_disp_service${NOCOLOR}"
@@ -90,7 +92,7 @@ FILE_HASH=$(shasum -a 256 -b "${PDFM_DISP_DST}" | awk '{print $1}')
 if [ "${FILE_HASH}" != "${PDFM_DISP_HASH}" ]; then
   echo -e "${COLOR_ERR}[-] ${FILE_HASH} != ${PDFM_DISP_HASH}${NOCOLOR}"
   echo -e "${COLOR_ERR}[-] verify target file (prl_disp_service) hash error.${NOCOLOR}"
-  exit 4
+  exit 6
 fi
 
 echo -e "${COLOR_INFO}[*] Sign prl_disp_service${NOCOLOR}"
@@ -116,20 +118,39 @@ FILE_HASH=$(shasum -a 256 -b "${LICENSE_DST}" | awk '{print $1}')
 if [ "${FILE_HASH}" != "${LICENSE_HASH}" ]; then
   echo -e "${COLOR_ERR}[-] ${FILE_HASH} != ${LICENSE_HASH}${NOCOLOR}"
   echo -e "${COLOR_ERR}[-] verify target file (${LICENSE_DST}) hash error.${NOCOLOR}"
-  exit 1
+  exit 7
 fi
 
 # is prl_disp_service not running, start it
-if ! pgrep -x "prl_disp_service" > /dev/null; then
+if ! pgrep -x "prl_disp_service" &>/dev/null; then
   echo -e "${COLOR_INFO}[*] Start Parallels Service${NOCOLOR}"
-  "${PDFM_DIR}/Contents/MacOS/Parallels Service" service_start >/dev/null
+  "${PDFM_DIR}/Contents/MacOS/Parallels Service" service_restart &>/dev/null
+  for (( i=0; i < 10; ++i ))
+  do
+    if pgrep -x "prl_disp_service" &>/dev/null; then
+      break
+    fi
+    sleep 1
+  done
+  if ! pgrep -x "prl_disp_service" &>/dev/null; then
+    echo -e "${COLOR_ERR}[x] Start Service fail.${NOCOLOR}"
+  fi
+fi
+
+VALID_INFO="License: state='valid' restricted='false'"
+
+"${PDFM_DIR}/Contents/MacOS/prlsrvctl" info | grep "${VALID_INFO}" &>/dev/null
+if [ $? != 0 ]; then
+  echo -e "${COLOR_ERR}[x] Crack fail, please retry it.${NOCOLOR}"
+  exit 9
 fi
 
 echo -e "${COLOR_INFO}[*] Exit Parallels Desktop account ...${NOCOLOR}"
-"${PDFM_DIR}/Contents/MacOS/prlsrvctl" web-portal signout >/dev/null
+"${PDFM_DIR}/Contents/MacOS/prlsrvctl" web-portal signout &>/dev/null
 
 echo -e "${COLOR_INFO}[*] Disable CEP ...${NOCOLOR}"
-"${PDFM_DIR}/Contents/MacOS/prlsrvctl" set --cep off >/dev/null
-"${PDFM_DIR}/Contents/MacOS/prlsrvctl" set --allow-attach-screenshots off >/dev/null
+"${PDFM_DIR}/Contents/MacOS/prlsrvctl" set --cep off &>/dev/null
+"${PDFM_DIR}/Contents/MacOS/prlsrvctl" set --allow-attach-screenshots off &>/dev/null
+
+echo -e "${COLOR_INFO}[*] Crack success.${NOCOLOR}"
 
-echo -e "${COLOR_INFO}[*] Crack over${NOCOLOR}"
diff --git a/prl_disp_service b/prl_disp_service
index e506342..d0f2362 100755
Binary files a/prl_disp_service and b/prl_disp_service differ
diff --git a/readme.md b/readme.md
index 67c191a..d465dda 100644
--- a/readme.md
+++ b/readme.md
@@ -1,6 +1,6 @@
 # Parallels Desktop Crack
 
-Crack for Parallels Desktop 18.0.2 53077
+Crack for Parallels Desktop 18.0.3 53079
 
 - [x] Support Intel
 - [x] Support Apple Silicon (M1 & M2)
@@ -11,7 +11,7 @@ Crack for Parallels Desktop 18.0.2 53077
 
 1. Install Parallels Desktop.
 
-    https://download.parallels.com/desktop/v18/18.0.2-53077/ParallelsDesktop-18.0.2-53077.dmg
+    https://download.parallels.com/desktop/v18/18.0.3-53079/ParallelsDesktop-18.0.3-53079.dmg
 
 2. Exit parallels account.