diff --git a/README.md b/README.md
index eb304fd..d50a682 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
   <br>
   <small><i>LOGO designed by <a href="https://xio.ng" target="_blank">熊大</a> .</i></small>
   <br><br>
-<img alt="GitHub release (with filter)" src="https://img.shields.io/github/v/release/naiba/nezha?color=brightgreen&style=for-the-badge&logo=github&label=Dashboard">&nbsp;<img src="https://img.shields.io/github/v/release/nezhahq/agent?color=brightgreen&label=Agent&style=for-the-badge&logo=github">&nbsp;<img src="https://img.shields.io/github/actions/workflow/status/nezhahq/agent/agent.yml?label=Agent%20CI&logo=github&style=for-the-badge">&nbsp;<img src="https://img.shields.io/badge/Installer-v0.18.2-brightgreen?style=for-the-badge&logo=linux">
+<img alt="GitHub release (with filter)" src="https://img.shields.io/github/v/release/naiba/nezha?color=brightgreen&style=for-the-badge&logo=github&label=Dashboard">&nbsp;<img src="https://img.shields.io/github/v/release/nezhahq/agent?color=brightgreen&label=Agent&style=for-the-badge&logo=github">&nbsp;<img src="https://img.shields.io/github/actions/workflow/status/nezhahq/agent/agent.yml?label=Agent%20CI&logo=github&style=for-the-badge">&nbsp;<img src="https://img.shields.io/badge/Installer-v0.18.3-brightgreen?style=for-the-badge&logo=linux">
   <br>
   <br>
   <p>:trollface: <b>Nezha Monitoring: Self-hostable, lightweight, servers and websites monitoring and O&M tool.</b></p>
diff --git a/script/install.sh b/script/install.sh
index c1f3042..8b9406d 100755
--- a/script/install.sh
+++ b/script/install.sh
@@ -12,7 +12,7 @@ NZ_DASHBOARD_PATH="${NZ_BASE_PATH}/dashboard"
 NZ_AGENT_PATH="${NZ_BASE_PATH}/agent"
 NZ_DASHBOARD_SERVICE="/etc/systemd/system/nezha-dashboard.service"
 NZ_DASHBOARD_SERVICERC="/etc/init.d/nezha-dashboard"
-NZ_VERSION="v0.18.2"
+NZ_VERSION="v0.18.3"
 
 red='\033[0;31m'
 green='\033[0;32m'
@@ -53,10 +53,13 @@ geo_check() {
     ua="Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/81.0"
     set -- $api_list
     for url in $api_list; do
-        text="$(curl -A $ua -m 10 -s $url)"
+        text="$(curl -A "$ua" -m 10 -s $url)"
+        endpoint="$(echo $text | sed -n 's/.*h=\([^ ]*\).*/\1/p')"
         if echo $text | grep -qw 'CN'; then
             isCN=true
             break
+        elif echo $url | grep -q $endpoint; then
+            break
         fi
     done
 }
diff --git a/script/install_en.sh b/script/install_en.sh
index 23c20e7..46f9238 100755
--- a/script/install_en.sh
+++ b/script/install_en.sh
@@ -12,7 +12,7 @@ NZ_DASHBOARD_PATH="${NZ_BASE_PATH}/dashboard"
 NZ_AGENT_PATH="${NZ_BASE_PATH}/agent"
 NZ_DASHBOARD_SERVICE="/etc/systemd/system/nezha-dashboard.service"
 NZ_DASHBOARD_SERVICERC="/etc/init.d/nezha-dashboard"
-NZ_VERSION="v0.18.2"
+NZ_VERSION="v0.18.3"
 
 red='\033[0;31m'
 green='\033[0;32m'
@@ -53,10 +53,13 @@ geo_check() {
     ua="Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/81.0"
     set -- $api_list
     for url in $api_list; do
-        text="$(curl -A $ua -m 10 -s $url)"
+        text="$(curl -A "$ua" -m 10 -s $url)"
+        endpoint="$(echo $text | sed -n 's/.*h=\([^ ]*\).*/\1/p')"
         if echo $text | grep -qw 'CN'; then
             isCN=true
             break
+        elif echo $url | grep -q $endpoint; then
+            break
         fi
     done
 }