diff --git a/build/script/cmake_package_mini.sh b/build/script/cmake_package_mini.sh
index a02796dc2..cfe15d5de 100644
--- a/build/script/cmake_package_mini.sh
+++ b/build/script/cmake_package_mini.sh
@@ -48,6 +48,8 @@ elif [ X"$kernel" == X"centos" ]; then
     dist_version="CentOS"
 elif [ X"$kernel" == X"openeuler" ]; then
     dist_version="openEuler"
+elif [ X"$kernel" == X"loongnix-server" ]; then
+    dist_version="loongnix"
 else
     dist_version="Platform"
 fi
diff --git a/build/script/utils/common.sh b/build/script/utils/common.sh
index a34eca825..e4d909015 100644
--- a/build/script/utils/common.sh
+++ b/build/script/utils/common.sh
@@ -77,6 +77,8 @@ elif [[ -f "/etc/kylin-release" ]]; then
     os_name="Kylin"
 elif [[ -f "/etc/asianux-release" ]]; then
     os_name="Asianux"
+elif [[ -f "/etc/loongnix-release" ]]; then
+    os_name="loongnix"
 else
     os_name=$(lsb_release -d | awk -F ' ' '{print $2}'| tr A-Z a-z | sed 's/.*/\L&/; s/[a-z]*/\u&/g')
 fi
diff --git a/simpleInstall/install.sh b/simpleInstall/install.sh
index 0a38bc076..062d13c26 100644
--- a/simpleInstall/install.sh
+++ b/simpleInstall/install.sh
@@ -200,10 +200,10 @@ function set_environment() {
     then
         echo 'export GS_CLUSTER_NAME=dbCluster' >> ~/.bashrc
     fi
-    if [ X"$(grep 'ulimit -n 1000000' ~/.bashrc)" == X"" ]
-    then
-        echo 'ulimit -n 1000000' >> ~/.bashrc
-    fi
+    #if [ X"$(grep 'ulimit -n 1000000' ~/.bashrc)" == X"" ]
+    #then
+    #    echo 'ulimit -n 1000000' >> ~/.bashrc
+    #fi
     # set GAUSSHOME
     path_env_line=$(cat ~/.bashrc | grep -n 'export PATH=$GAUSSHOME/bin:$PATH' | awk -F ':' '{print $1}')
     ld_env_line=$(grep -n 'export LD_LIBRARY_PATH=$GAUSSHOME/lib:$LD_LIBRARY_PATH' ~/.bashrc | awk -F ':' '{print $1}')