diff --git a/packaging/tools/install.sh b/packaging/tools/install.sh
index 0edabbe0bf57feb6c783a5664cc3e96005f96924..beca20e68de22ff6d53c17ec78ce2f6c0df761a3 100644
--- a/packaging/tools/install.sh
+++ b/packaging/tools/install.sh
@@ -78,23 +78,24 @@ osinfo=$(cat /etc/os-release | grep "NAME" | cut -d '"' -f2)
 #echo "osinfo: ${osinfo}"
 os_type=0
 if echo $osinfo | grep -qwi "ubuntu" ; then
-  echo "this is ubuntu system"
+  echo "This is ubuntu system"
   os_type=1
 elif echo $osinfo | grep -qwi "debian" ; then
-  echo "this is debian system"
+  echo "This is debian system"
   os_type=1
 elif echo $osinfo | grep -qwi "Kylin" ; then
-  echo "this is Kylin system"
+  echo "This is Kylin system"
   os_type=1
 elif  echo $osinfo | grep -qwi "centos" ; then
-  echo "this is centos system"
+  echo "This is centos system"
   os_type=2
 elif echo $osinfo | grep -qwi "fedora" ; then
-  echo "this is fedora system"
+  echo "This is fedora system"
   os_type=2
 else
-  echo "this is other linux system"
-  os_type=0
+  echo "${osinfo}: This is an officially unverified linux system, If there are any problems with the installation and operation, "
+  echo "please feel free to contact taosdata.com for support."
+  os_type=1
 fi
 
 function kill_taosd() {
diff --git a/packaging/tools/make_install.sh b/packaging/tools/make_install.sh
index 97a95685a96024078faee75bdbdd6f34c9c1fe77..2200c7f13d20ecd19b75c8fe39185a3c69558f22 100755
--- a/packaging/tools/make_install.sh
+++ b/packaging/tools/make_install.sh
@@ -105,10 +105,10 @@ if [ "$osType" != "Darwin" ]; then
         echo "this is fedora system"
         os_type=2
     else
-        echo "this is other linux system"
-        os_type=0
+        echo "${osinfo}: This is an officially unverified linux system, If there are any problems with the installation and operation, "
+        echo "please feel free to contact taosdata.com for support."
+        os_type=1
     fi
-
 fi
 
 function kill_taosd() {