diff --git a/files/earlyoom.conf b/files/earlyoom.conf
new file mode 100644
index 0000000..e6d5104
--- /dev/null
+++ b/files/earlyoom.conf
@@ -0,0 +1 @@
+EARLYOOM_ARGS="-m 6 -s 6"
diff --git a/init_priv.sh b/init_priv.sh
index 50e593f..a5438f7 100755
--- a/init_priv.sh
+++ b/init_priv.sh
@@ -184,6 +184,16 @@ configure_boot_info() {
     fi
 }
 
+configure_user_oom_killer() {
+    [ -f /etc/default/earlyoom ] && return
+
+    if confirm_action "要启用 earlyoom 吗？" "Y"; then
+        sudo apt install earlyoom -y
+        sudo cat $scriptdir/files/earlyoom.conf | sudo tee /etc/default/earlyoom >/dev/null
+        sudo systemctl restart earlyoom
+    fi
+}
+
 # ============================================================
 
 configure_tuna
@@ -199,3 +209,4 @@ configure_iptables
 configure_hostname
 configure_timedate
 configure_boot_info
+configure_user_oom_killer