diff --git a/Cargo.lock b/Cargo.lock
index 0cdb6fa..26d5cce 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2573,6 +2573,7 @@ dependencies = [
  "common",
  "config",
  "const_format",
+ "itertools",
  "paste",
  "rand",
  "scc",
diff --git a/lib/logic/src/debug/gm_cmd.rs b/lib/logic/src/debug/gm_cmd.rs
index 3aaec0d..cb6829b 100644
--- a/lib/logic/src/debug/gm_cmd.rs
+++ b/lib/logic/src/debug/gm_cmd.rs
@@ -29,6 +29,12 @@ pub enum GMCmd {
         star: u32,
         refine_level: u32,
     },
+    AddEquip {
+        equip_id: u32,
+        level: u32,
+        star: u32,
+        property_params: Vec<u32>,
+    },
     SetAvatarSkin {
         avatar_id: u32,
         avatar_skin_id: u32,
diff --git a/servers/game-server/Cargo.toml b/servers/game-server/Cargo.toml
index dbd1501..b303b31 100644
--- a/servers/game-server/Cargo.toml
+++ b/servers/game-server/Cargo.toml
@@ -13,6 +13,7 @@ thiserror.workspace = true
 
 rand.workspace = true
 tracing.workspace = true
+itertools.workspace = true
 paste.workspace = true
 scc.workspace = true
 
diff --git a/servers/game-server/src/util/gm_util.rs b/servers/game-server/src/util/gm_util.rs
index 3e9ea13..963ee22 100644
--- a/servers/game-server/src/util/gm_util.rs
+++ b/servers/game-server/src/util/gm_util.rs
@@ -1,7 +1,11 @@
 use std::cmp;
 
+use itertools::Itertools;
 use tracing::{error, instrument};
-use vivian_logic::{debug::GMCmd, item::EAvatarSkillType};
+use vivian_logic::{
+    debug::GMCmd,
+    item::{EAvatarSkillType, EquipItem},
+};
 use vivian_models::SceneSnapshotExt;
 
 use crate::{
@@ -117,6 +121,39 @@ pub fn execute_gm_cmd(player: &mut Player, cmd: GMCmd) {
             weapon.star = star;
             weapon.refine_level = refine_level;
         }
+        AddEquip {
+            equip_id,
+            level,
+            star,
+            property_params,
+        } => {
+            let mut property_params = property_params.into_iter().tuples();
+
+            let properties = property_params
+                .next()
+                .into_iter()
+                .map(|(key, base_value, add_value)| (key, (base_value, add_value)))
+                .collect();
+
+            let sub_properties = property_params
+                .map(|(key, base_value, add_value)| (key, (base_value, add_value)))
+                .collect();
+
+            let uid = player.item_model.next_uid();
+
+            player.item_model.equip_map.insert(
+                uid,
+                EquipItem {
+                    id: equip_id,
+                    level,
+                    star,
+                    exp: 0,
+                    lock: false,
+                    properties,
+                    sub_properties,
+                },
+            );
+        }
         SetAvatarSkin {
             avatar_id,
             avatar_skin_id,