diff --git a/Server/Git/AbstractGit.cs b/Server/Git/AbstractGit.cs
index df5705c..2013180 100644
--- a/Server/Git/AbstractGit.cs
+++ b/Server/Git/AbstractGit.cs
@@ -32,6 +32,9 @@ namespace Server.Git
             Push(excel);
             if (isRestart)
                 goto restart;
+
+            //최종 데이터 세팅
+            DataSet();
         }
 
         /// <summary>
@@ -44,7 +47,7 @@ namespace Server.Git
             if (!Directory.Exists(_repositoryPath))
             {
                 Directory.CreateDirectory(_repositoryPath);
-                RepositorySet($"clone {STATICS.remoteUrl} {_repositoryPath}", null);
+                RepositorySet($"clone {Statics.remoteUrl} {_repositoryPath}", null);
 
                 //main브렌치로 세팅
                 RepositorySet("branch -m main", _repositoryPath);
@@ -162,5 +165,14 @@ namespace Server.Git
 
             return xlsxFileList;
         }
+
+        /// <summary>
+        /// 엑셀 데이터 저장
+        /// </summary>
+        public void DataSet()
+        {
+            EquipmentDataSQL equipmentDataSQL = new EquipmentDataSQL();
+            equipmentDataSQL.init();
+        }
     }
 }
diff --git a/Server/Git/ExcelSQL.cs b/Server/Git/ExcelSQL.cs
index 9b23308..384cf7b 100644
--- a/Server/Git/ExcelSQL.cs
+++ b/Server/Git/ExcelSQL.cs
@@ -21,7 +21,7 @@ namespace Server.Git
 
         public void DataUpdate()
         {
-            using (NpgsqlConnection connection = new NpgsqlConnection(STATICS.EXCEL_SQL_URL))
+            using (NpgsqlConnection connection = new NpgsqlConnection(Statics.EXCEL_SQL_URL))
             {
                 try
                 {
diff --git a/Server/Program.cs b/Server/Program.cs
index 192b1bf..d2868e8 100644
--- a/Server/Program.cs
+++ b/Server/Program.cs
@@ -17,4 +17,4 @@ app.MapPost("/git", GItWebhook.Process);
 
 //app.MapPost("/update", GItWebhook.Process);
 
-app.Run(STATICS.URL);
+app.Run(Statics.URL);
diff --git a/Server/SQL/DeckInfo.cs b/Server/SQL/DeckInfo.cs
index 2475dcd..dcdcdb8 100644
--- a/Server/SQL/DeckInfo.cs
+++ b/Server/SQL/DeckInfo.cs
@@ -8,25 +8,25 @@ namespace Server.SQL
     [Table("deck_info", Schema = "gamedb")]
     public class DeckInfo
     {
-        public int id { get; set; }
+        public long id { get; set; }
         public int deck_type { get; set; }
-        public int deck_unit0_id { get; set; }
-        public int deck_unit1_id { get; set; }
-        public int deck_unit2_id { get; set; }
-        public int deck_unit3_id { get; set; }
-        public int deck_unit4_id { get; set; }
-        public int deck_unit5_id { get; set; }
-        public int deck_unit6_id { get; set; }
-        public int deck_unit7_id { get; set; }
-        public int deck_unit8_id { get; set; }
-        public int user_id { get; set; }
+        public long deck_unit0_id { get; set; }
+        public long deck_unit1_id { get; set; }
+        public long deck_unit2_id { get; set; }
+        public long deck_unit3_id { get; set; }
+        public long deck_unit4_id { get; set; }
+        public long deck_unit5_id { get; set; }
+        public long deck_unit6_id { get; set; }
+        public long deck_unit7_id { get; set; }
+        public long deck_unit8_id { get; set; }
+        public long user_id { get; set; }
     }
 
     public class DeckInfoSQL : SQL<DeckInfo>
     {
         public override DbSet<DeckInfo> table { get; set; }
 
-        public override List<DeckInfo> SelectUid(int user_id)
+        public override List<DeckInfo> SelectUid(long user_id)
         {
             return table.Where(data => data.user_id == user_id).ToList();
         }
diff --git a/Server/SQL/DeckUnitInfo.cs b/Server/SQL/DeckUnitInfo.cs
index 5e82ed5..1bc9bd0 100644
--- a/Server/SQL/DeckUnitInfo.cs
+++ b/Server/SQL/DeckUnitInfo.cs
@@ -8,26 +8,30 @@ namespace Server.SQL
     [Table("deck_unit_info", Schema = "gamedb")]
     public class DeckUnitInfo
     {
-        public int id { get; set; }
-        public int unit_id { get; set; }
-        public int user_id { get; set; }
-        public int equip0 { get; set; }
-        public int equip1 { get; set; }
-        public int equip2 { get; set; }
-        public int equip3 { get; set; }
-        public int equip4 { get; set; }
-        public int equip5 { get; set; }
+        public long id { get; set; }
+        public long unit_id { get; set; }
+        public long user_id { get; set; }
+        public long equip0_id { get; set; }
+        public long equip1_id { get; set; }
+        public long equip2_id { get; set; }
+        public long equip3_id { get; set; }
+        public long equip4_id { get; set; }
+        public long equip5_id { get; set; }
         public int level { get; set; }
-        public int exp { get; set; }
+        public long exp { get; set; }
     }
 
     public class DeckUnitInfoSQL : SQL<DeckUnitInfo>
     {
         public override DbSet<DeckUnitInfo> table { get; set; }
 
-        public override List<DeckUnitInfo> SelectUid(int user_id)
+        public override List<DeckUnitInfo> SelectUid(long user_id)
         {
             return table.Where(data => data.user_id == user_id).ToList();
         }
+        public DeckUnitInfo SelectItem(long user_id, long unit_id)
+        {
+            return table.FirstOrDefault(data => (data.user_id == user_id) && (data.id == unit_id));
+        }
     }
 }
diff --git a/Server/SQL/DynamicData.cs b/Server/SQL/DynamicData.cs
index cbf746c..9fe07fb 100644
--- a/Server/SQL/DynamicData.cs
+++ b/Server/SQL/DynamicData.cs
@@ -8,7 +8,7 @@ namespace Server.SQL
     [Table("dynamic_data", Schema = "gamedb")]
     public class DynamicData
     {
-        public int id { get; set; }
+        public long id { get; set; }
         public string name { get; set; }
         public string value { get; set; }
     }
@@ -39,7 +39,7 @@ namespace Server.SQL
             }
         }
 
-        public override List<DynamicData> SelectUid(int user_id)
+        public override List<DynamicData> SelectUid(long user_id)
         {
             return null;//table.Where(data => data.id == user_id).ToList();
         }
diff --git a/Server/SQL/Equipment.cs b/Server/SQL/Equipment.cs
index a123dff..40dff09 100644
--- a/Server/SQL/Equipment.cs
+++ b/Server/SQL/Equipment.cs
@@ -9,11 +9,11 @@ namespace Server.SQL
     [Table("equipment", Schema = "gamedb")]
     public class Equipment
     {
-        public int id { get; set; }
-        public int user_id { get; set; }
-        public int equip_unit { get; set; }
+        public long id { get; set; }
+        public long user_id { get; set; }
+        public long equip_unit { get; set; }
         public int rand_stats { get; set; }
-        public int equipment_data_id { get; set; }
+        public long equipment_data_id { get; set; }
     }
 
     public class EquipmentrSQL : SQL<Equipment>
@@ -25,9 +25,14 @@ namespace Server.SQL
             table.Update(equipment);
         }
 
-        public override List<Equipment> SelectUid(int user_id)
+        public override List<Equipment> SelectUid(long user_id)
         {
             return table.Where(data => data.user_id == user_id).ToList();
         }
+
+        public Equipment SelectItem(long user_id, long equipment_id)
+        {
+            return table.FirstOrDefault(data => (data.user_id == user_id) && (data.id == equipment_id));
+        }
     }
 }
diff --git a/Server/SQL/EquipmentData.cs b/Server/SQL/EquipmentData.cs
new file mode 100644
index 0000000..545bc22
--- /dev/null
+++ b/Server/SQL/EquipmentData.cs
@@ -0,0 +1,40 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+using NLog;
+using Server.System;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Server.SQL
+{
+    [Table("equipmentdata", Schema = "excel")]
+    public class EquipmentData
+    {
+        [Key]
+        public long index { get; set; }
+        public int part { get; set; }
+    }
+
+    public class EquipmentDataSQL : SQL<EquipmentData>
+    {
+        private static readonly NLog.ILogger logger = LogManager.GetCurrentClassLogger();
+        public override DbSet<EquipmentData> table { get; set; }
+
+        public override List<EquipmentData> SelectUid(long user_id)
+        {
+            return null;
+        }
+
+        public void init()
+        {
+            logger.Info("동작1");
+            Statics.equipmentData = new Dictionary<long, EquipmentData>();
+            logger.Info("동작2");
+            List<EquipmentData> equipmentDatas = table.ToList();
+            for(int n = 0; n < equipmentDatas.Count; n++)
+            {
+                Statics.equipmentData.Add(equipmentDatas[n].index, equipmentDatas[n]);
+            }
+        }
+    }
+}
diff --git a/Server/SQL/SQL.cs b/Server/SQL/SQL.cs
index 72d5def..c73d607 100644
--- a/Server/SQL/SQL.cs
+++ b/Server/SQL/SQL.cs
@@ -14,7 +14,7 @@ namespace Server.SQL
         {
             if (!optionsBuilder.IsConfigured)
             {
-                optionsBuilder.UseNpgsql(STATICS.SQL_URL);
+                optionsBuilder.UseNpgsql(Statics.SQL_URL);
                 // 다른 옵션들을 추가할 수 있습니다.
             }
         }
@@ -49,7 +49,7 @@ namespace Server.SQL
             return table.ToList();
         }
 
-        public abstract List<T> SelectUid(int user_id);
+        public abstract List<T> SelectUid(long user_id);
 
         // Select 예시
         // 각자 상황에 맞게 작성해서 사용할것
diff --git a/Server/SQL/User.cs b/Server/SQL/User.cs
index 9fd5291..cf3b623 100644
--- a/Server/SQL/User.cs
+++ b/Server/SQL/User.cs
@@ -9,7 +9,7 @@ namespace Server.SQL
     [Table("user", Schema = "gamedb")]
     public class User
     {
-        public int id { get; set; }
+        public long id { get; set; }
         public string uuid { get; set; }
         public string mail { get; set; }
         public string nickname { get; set; }
@@ -39,9 +39,11 @@ namespace Server.SQL
         /// </summary>
         /// <param name="user_id"></param>
         /// <returns></returns>
-        public override List<User> SelectUid(int user_id)
+        public override List<User> SelectUid(long user_id)
         {
             return null;
         }
+
+
     }
 }
diff --git a/Server/Service/EquipChange.cs b/Server/Service/EquipChange.cs
new file mode 100644
index 0000000..a4d214d
--- /dev/null
+++ b/Server/Service/EquipChange.cs
@@ -0,0 +1,91 @@
+using Server.System;
+using Newtonsoft.Json;
+using Server.SQL;
+
+namespace Server.Service
+{
+    public class EquipChange : AbstractService
+    {
+        private EquipChangeReq req;
+        public override string Process()
+        {
+            //문제 1 장비 장착 저장이 안됨.
+            //문제 2 기존에 장비가 있다면 신규 장비로 교체가 되야함.
+            UserSQL userSQL = new UserSQL(); 
+            EquipmentrSQL equipmentrSQL = new EquipmentrSQL();
+            DeckUnitInfoSQL deckUnitInfoSQL = new DeckUnitInfoSQL();
+            User user = userSQL.SelectUuid(req.uuid);
+            Equipment equipment = equipmentrSQL.SelectItem(user.id, req.equipment_id);
+            DeckUnitInfo deckUnitInfo = deckUnitInfoSQL.SelectItem(user.id, req.unit_id);
+
+            if(equipment == null || deckUnitInfo == null)
+            {
+                throw new RuntimeException("Not Data", Error.nodata);
+            }
+
+            EquipmentData equipmentData = Statics.equipmentData[equipment.equipment_data_id];
+
+            switch (equipmentData.part)
+            {
+                case 0:
+                    deckUnitInfo.equip0_id = equipment.id;
+                    break;
+                case 1:
+                    deckUnitInfo.equip1_id = equipment.id;
+                    break;
+                case 2:
+                    deckUnitInfo.equip2_id = equipment.id;
+                    break;
+                case 3:
+                    deckUnitInfo.equip3_id = equipment.id;
+                    break;
+                case 4:
+                    deckUnitInfo.equip4_id = equipment.id;
+                    break;
+                case 5:
+                    deckUnitInfo.equip5_id = equipment.id;
+                    break;
+            }
+            equipment.equip_unit = deckUnitInfo.id;
+
+            equipmentrSQL.Update(equipment);
+            deckUnitInfoSQL.Update(deckUnitInfo);
+
+            return makeResp(equipment, deckUnitInfo);
+        }
+
+        public override Protocol ProtocolValue() => Protocol.EquipChange;
+        
+        public override Req Requst(string json)
+        {
+            req = JsonConvert.DeserializeObject<EquipChangeReq>(json);
+            return req;
+        }
+
+        private string makeResp(Equipment equipment, DeckUnitInfo deck_unit_info)
+        {
+            EquipChangeResp resp = new EquipChangeResp();
+            resp.status = 200;
+            resp.equipment = equipment;
+            resp.deck_unit_info = deck_unit_info;
+            return resp.ToJson();
+        }
+    }
+
+    public class EquipChangeReq : Req
+    {
+        public string uuid;
+        public long unit_id;
+        public long equipment_id;
+        public override bool IsReceivedAllField()
+        {
+            return true;
+        }
+    }
+
+    public class EquipChangeResp : Resp
+    {
+        public Equipment equipment;
+        public DeckUnitInfo deck_unit_info;
+    }
+}
diff --git a/Server/Service/Login.cs b/Server/Service/Login.cs
index 271c28b..0f3649b 100644
--- a/Server/Service/Login.cs
+++ b/Server/Service/Login.cs
@@ -161,6 +161,7 @@ namespace Server.Service
     {
         public string uuid;
         public string nickname;
+        public long id;
         public List<DynamicData> dynamic_data;
         public List<DeckUnitInfo> deck_unit;
         public List<DeckInfo> deck_info;
diff --git a/Server/System/Enums.cs b/Server/System/Enums.cs
index bcda68d..e527ee8 100644
--- a/Server/System/Enums.cs
+++ b/Server/System/Enums.cs
@@ -11,6 +11,9 @@
     Downlode = 100,//기획 데이터 다운로드
     Login = 101,//기획 데이터 다운로드
     ChangeDeck = 102,//기획 데이터 다운로드
+
+
+    EquipChange = 200,//장비 변경
 }
 
 public enum Error
diff --git a/Server/System/Statics.cs b/Server/System/Statics.cs
index 7232b30..036d3c3 100644
--- a/Server/System/Statics.cs
+++ b/Server/System/Statics.cs
@@ -1,6 +1,8 @@
-namespace Server.System
+using Server.SQL;
+
+namespace Server.System
 {
-    public static class STATICS
+    public static class Statics
     {
 #if DEBUG
         public static readonly string SQL_URL = "Host=192.168.0.2;Port=5432;Username=manager;Password=Zn2zs558W5SdD8K;Database=project_thewar;";
@@ -16,6 +18,7 @@
         public static readonly string URL = "https://0.0.0.0:4860";
 
         public static readonly string PATTERN = "[^a-zA-Z0-9가-힣 ]";
-    }
 
+        public static Dictionary<long,EquipmentData> equipmentData = new Dictionary<long,EquipmentData>();
+    }
 }