diff --git a/.gitignore b/.gitignore
index eaffb3b..ae904b2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 *.log
 *.exe
+.vscode
\ No newline at end of file
diff --git a/core/AEGS_methods.go b/core/AEGS_methods.go
index 94dc50b..4adf3cb 100644
--- a/core/AEGS_methods.go
+++ b/core/AEGS_methods.go
@@ -258,7 +258,52 @@ func (tx *transaction) RemoveDB(collection string, keys []interface{}) shared.RP
 	return shared.MakeRPCReturn(count, err)
 }
 
-func (tx *transaction) UpdatePlayerInfo(raw map[string]interface{}) shared.RPCReturnType {
+// Player info/Character info
+
+func (tx *transaction) GetAllCharInfo() shared.RPCReturnType {
+
+	var playerid string
+	if v, ok := tx.r.Header["Player-Id"]; ok && len(v) > 0 {
+		playerid = v[0]
+	} else {
+		return shared.MakeRPCReturn(nil, errors.New("no player id"))
+	}
+
+	q, err := tx.gs.mongoClient.FindOne("PlayerInfo", bson.M{"_id": playerid},
+		options.FindOne().SetProjection(bson.M{"_id": 0, "_ts": 0}))
+
+	if err == nil {
+
+		tx.gs.Logger.Println("charInfo dump : ", q)
+
+		return shared.MakeRPCReturn(q, err)
+	} else {
+		return shared.MakeRPCReturn(nil, errors.New("invalid body"))
+	}
+}
+
+func (tx *transaction) RemoveCharInfo(charSlotId int32) shared.RPCReturnType {
+	var playerid string
+	if v, ok := tx.r.Header["Player-Id"]; ok && len(v) > 0 {
+		playerid = v[0]
+	} else {
+		return shared.MakeRPCReturn(nil, errors.New("no player id"))
+	}
+
+	_, err := tx.gs.mongoClient.FindOneAndUpdate(
+		"PlayerInfo",
+		bson.M{"_id": playerid},
+		bson.M{"$pull": bson.M{"charInfo": bson.M{"slotId": charSlotId}}},
+	)
+
+	if err == nil {
+		return shared.MakeRPCReturn("update success", err)
+	} else {
+		return shared.MakeRPCReturn(nil, errors.New("invalid body"))
+	}
+}
+
+func (tx *transaction) UpdateCharInfo(charSlotId int32, raw map[string]interface{}) shared.RPCReturnType {
 
 	var playerid string
 	if v, ok := tx.r.Header["Player-Id"]; ok && len(v) > 0 {
@@ -269,12 +314,49 @@ func (tx *transaction) UpdatePlayerInfo(raw map[string]interface{}) shared.RPCRe
 
 	tx.gs.Logger.Println("db write : ", playerid, raw)
 
-	_, _, err := tx.gs.mongoClient.Update("PlayerInfo",
-		bson.M{"_id": playerid},
-		bson.M{
-			"$currentDate": bson.M{"_ts": true},
-			"$set":         raw,
-		}, options.Update().SetUpsert(true))
+	q, err := tx.gs.mongoClient.FindOne("PlayerInfo", bson.M{"_id": playerid, "charInfo.slotId": charSlotId},
+		options.FindOne().SetProjection(bson.M{"charInfo.$": 1}))
+
+	if q == nil {
+		info := raw
+		info["slotId"] = charSlotId
+
+		tx.gs.Logger.Println("new info", info)
+
+		_, _, err = tx.gs.mongoClient.Update("PlayerInfo",
+			bson.M{"_id": playerid},
+			bson.M{
+				"$currentDate": bson.M{"_ts": true},
+				"$addToSet":    bson.M{"charInfo": info},
+			},
+			options.Update().SetUpsert(true))
+	} else {
+		info := q["charInfo"].(bson.A)[0].(map[string]interface{})
+		tx.gs.Logger.Println("current info", info)
+
+		for k, v := range raw {
+			if k == "slotId" {
+				continue
+			}
+			info[k] = v
+		}
+
+		tx.gs.Logger.Println("new info", info)
+
+		_, _, err = tx.gs.mongoClient.Update("PlayerInfo",
+			bson.M{"_id": playerid, "charInfo.slotId": charSlotId},
+			bson.M{
+				"$currentDate": bson.M{"_ts": true},
+				"$set":         bson.M{"charInfo.$": info},
+			})
+	}
+
+	// _, _, err := tx.gs.mongoClient.Update("PlayerInfo",
+	// 	bson.M{"_id": playerid},
+	// 	bson.M{
+	// 		"$currentDate": bson.M{"_ts": true},
+	// 		"$set":         raw,
+	// 	}, options.Update().SetUpsert(true))
 
 	if err == nil {
 		return shared.MakeRPCReturn("update success", err)
@@ -283,7 +365,7 @@ func (tx *transaction) UpdatePlayerInfo(raw map[string]interface{}) shared.RPCRe
 	}
 }
 
-func (tx *transaction) GetPlayerInfo() shared.RPCReturnType {
+func (tx *transaction) GetCharInfo(charSlotId int32) shared.RPCReturnType {
 
 	var playerid string
 	if v, ok := tx.r.Header["Player-Id"]; ok && len(v) > 0 {
@@ -292,25 +374,149 @@ func (tx *transaction) GetPlayerInfo() shared.RPCReturnType {
 		return shared.MakeRPCReturn(nil, errors.New("no player id"))
 	}
 
-	raw, err := tx.gs.mongoClient.FindOneAndUpdate("PlayerInfo",
-		bson.M{"_id": playerid},
-		bson.M{
-			"$setOnInsert": bson.M{"_id": playerid, "charId": 101},
-		},
-		options.FindOneAndUpdate().SetProjection(bson.M{"_id": 0, "_ts": 0}),
-		options.FindOneAndUpdate().SetReturnDocument(options.After),
-		options.FindOneAndUpdate().SetUpsert(true))
+	raw, err := tx.gs.mongoClient.FindOne("PlayerInfo",
+		bson.M{"_id": playerid, "charInfo.slotId": charSlotId},
+		options.FindOne().SetProjection(bson.M{"charInfo": bson.M{"$elemMatch": bson.M{"slotId": charSlotId}}}))
 
-	tx.gs.Logger.Println("db read : ", playerid, raw)
+	// 계정 정보가 아예 없을 때
+	if raw == nil {
+		_, err = tx.GetCurrentCharSlotIdImpl(playerid)
+
+		// 다시 찾음
+		if err == nil {
+			raw, err = tx.gs.mongoClient.FindOne("PlayerInfo",
+				bson.M{"_id": playerid, "charInfo.slotId": charSlotId},
+				options.FindOne().SetProjection(bson.M{"charInfo": bson.M{"$elemMatch": bson.M{"slotId": charSlotId}}}))
+		}
+	}
+
+	// raw, err := tx.gs.mongoClient.FindOneAndUpdate("PlayerInfo",
+	// 	bson.M{"_id": playerid},
+	// 	bson.M{
+	// 		"$setOnInsert": bson.M{"_id": playerid, "charId": 101},
+	// 	},
+	// 	options.FindOneAndUpdate().SetProjection(bson.M{"_id": 0, "_ts": 0}),
+	// 	options.FindOneAndUpdate().SetReturnDocument(options.After),
+	// 	options.FindOneAndUpdate().SetUpsert(true))
 
 	if err == nil {
-		return shared.MakeRPCReturn(raw, err)
+		tx.gs.Logger.Println("character info :", playerid, charSlotId, raw["charInfo"].(bson.A)[0])
+		return shared.MakeRPCReturn(raw["charInfo"].(bson.A)[0], err)
 	} else {
 		return shared.MakeRPCReturn(nil, errors.New("not matched"))
 	}
 }
 
-func (tx *transaction) UpdateInventory(charId int32, raw map[string]interface{}) shared.RPCReturnType {
+func (tx *transaction) GetCurrentCharInfo() shared.RPCReturnType {
+
+	var playerid string
+	if v, ok := tx.r.Header["Player-Id"]; ok && len(v) > 0 {
+		playerid = v[0]
+	} else {
+		return shared.MakeRPCReturn(nil, errors.New("no player id"))
+	}
+
+	retval, err := tx.GetCurrentCharSlotIdImpl(playerid)
+
+	if err == nil {
+
+		tx.gs.Logger.Println("current character slot id : ", retval)
+
+		rt := tx.GetCharInfo(retval)
+
+		if rt.Error() == nil {
+			return shared.MakeRPCReturn(rt.Value(), nil)
+		} else {
+			return shared.MakeRPCReturn(nil, errors.New("not matched"))
+		}
+	} else {
+		return shared.MakeRPCReturn(nil, err)
+	}
+}
+
+func (tx *transaction) UpdateCurrentCharInfo(raw map[string]interface{}) shared.RPCReturnType {
+
+	var playerid string
+	if v, ok := tx.r.Header["Player-Id"]; ok && len(v) > 0 {
+		playerid = v[0]
+	} else {
+		return shared.MakeRPCReturn(nil, errors.New("no player id"))
+	}
+
+	retval, err := tx.GetCurrentCharSlotIdImpl(playerid)
+
+	if err == nil {
+		return tx.UpdateCharInfo(retval, raw)
+	} else {
+		return shared.MakeRPCReturn(nil, err)
+	}
+}
+
+func (tx *transaction) GetCurrentCharSlotIdImpl(playerid string) (int32, error) {
+
+	initialSlotId := 1
+	initialCharId := 1002
+
+	raw, err := tx.gs.mongoClient.FindOneAndUpdate("PlayerInfo",
+		bson.M{"_id": playerid},
+		bson.M{
+			"$setOnInsert": bson.M{
+				"_id":           playerid,
+				"currentSlotId": initialSlotId,
+				"charInfo":      bson.A{bson.M{"slotId": initialSlotId, "charId": initialCharId}}},
+		},
+		options.FindOneAndUpdate().SetReturnDocument(options.After),
+		options.FindOneAndUpdate().SetUpsert(true))
+
+	if err == nil {
+		return raw["currentSlotId"].(int32), nil
+	} else {
+		return 0, err
+	}
+}
+
+func (tx *transaction) SetCurrentCharSlotId(charSlotId int32) shared.RPCReturnType {
+	var playerid string
+	if v, ok := tx.r.Header["Player-Id"]; ok && len(v) > 0 {
+		playerid = v[0]
+	} else {
+		return shared.MakeRPCReturn(nil, errors.New("no player id"))
+	}
+
+	q, err := tx.gs.mongoClient.FindOneAndUpdate("PlayerInfo",
+		bson.M{"_id": playerid, "charInfo.slotId": charSlotId},
+		bson.M{"$set": bson.M{"currentSlotId": charSlotId}},
+		options.FindOneAndUpdate().SetProjection(bson.M{"_id": 0, "currentSlotId": 1, "charInfo": bson.M{"$elemMatch": bson.M{"slotId": charSlotId}}}),
+	)
+
+	if err == nil {
+		tx.gs.Logger.Println("current character slot :", q["charInfo"].(bson.A)[0])
+		return shared.MakeRPCReturn(q["charInfo"].(bson.A)[0], nil)
+	} else {
+		return shared.MakeRPCReturn(nil, errors.New("not matched"))
+	}
+}
+
+func (tx *transaction) GetCurrentCharSlotId() shared.RPCReturnType {
+	var playerid string
+	if v, ok := tx.r.Header["Player-Id"]; ok && len(v) > 0 {
+		playerid = v[0]
+	} else {
+		return shared.MakeRPCReturn(nil, errors.New("no player id"))
+	}
+
+	slotId, err := tx.GetCurrentCharSlotIdImpl(playerid)
+
+	if err == nil {
+		return shared.MakeRPCReturn(slotId, err)
+	} else {
+		return shared.MakeRPCReturn(nil, errors.New("not matched"))
+	}
+}
+
+// inventory
+
+func (tx *transaction) UpdateInventory(charSlotId int32, raw map[string]interface{}) shared.RPCReturnType {
 
 	var playerid string
 	if v, ok := tx.r.Header["Player-Id"]; ok && len(v) > 0 {
@@ -323,7 +529,7 @@ func (tx *transaction) UpdateInventory(charId int32, raw map[string]interface{})
 
 	var err error
 
-	q, _ := tx.gs.mongoClient.FindOne("Inventory", bson.M{"_id": playerid, "inven.charId": charId},
+	q, _ := tx.gs.mongoClient.FindOne("Inventory", bson.M{"_id": playerid, "inven.charSlotId": charSlotId},
 		options.FindOne().SetProjection(bson.M{"inven.$": 1}))
 
 	if q == nil {
@@ -331,7 +537,7 @@ func (tx *transaction) UpdateInventory(charId int32, raw map[string]interface{})
 			bson.M{"_id": playerid},
 			bson.M{
 				"$currentDate": bson.M{"_ts": true},
-				"$addToSet":    bson.M{"inven": bson.M{"charId": charId, "slots": raw}},
+				"$addToSet":    bson.M{"inven": bson.M{"charSlotId": charSlotId, "slots": raw}},
 			},
 			options.Update().SetUpsert(true))
 	} else {
@@ -354,7 +560,7 @@ func (tx *transaction) UpdateInventory(charId int32, raw map[string]interface{})
 		tx.gs.Logger.Println("new inventory", slots)
 
 		_, _, err = tx.gs.mongoClient.Update("Inventory",
-			bson.M{"_id": playerid, "inven.charId": charId},
+			bson.M{"_id": playerid, "inven.charSlotId": charSlotId},
 			bson.M{
 				"$currentDate": bson.M{"_ts": true},
 				"$set":         bson.M{"inven.$.slots": slots},
@@ -370,7 +576,7 @@ func (tx *transaction) UpdateInventory(charId int32, raw map[string]interface{})
 	}
 }
 
-func (tx *transaction) GetInventory(charId int32) shared.RPCReturnType {
+func (tx *transaction) GetInventory(charSlotId int32) shared.RPCReturnType {
 
 	var playerid string
 	if v, ok := tx.r.Header["Player-Id"]; ok && len(v) > 0 {
@@ -380,7 +586,7 @@ func (tx *transaction) GetInventory(charId int32) shared.RPCReturnType {
 	}
 
 	raw, err := tx.gs.mongoClient.FindOne("Inventory",
-		bson.M{"_id": playerid, "inven.charId": charId},
+		bson.M{"_id": playerid, "inven.charSlotId": charSlotId},
 		options.FindOne().SetProjection(bson.M{"inven.$": 1}))
 
 	if raw == nil {
@@ -395,9 +601,9 @@ func (tx *transaction) GetInventory(charId int32) shared.RPCReturnType {
 			bson.M{"_id": playerid},
 			bson.M{
 				"$currentDate": bson.M{"_ts": true},
-				"$addToSet":    bson.M{"inven": bson.M{"charId": charId, "slots": bson.M{}}},
+				"$addToSet":    bson.M{"inven": bson.M{"charSlotId": charSlotId, "slots": bson.M{}}},
 			},
-			options.FindOneAndUpdate().SetProjection(bson.M{"inven": bson.M{"$elemMatch": bson.M{"charId": charId}}}),
+			options.FindOneAndUpdate().SetProjection(bson.M{"inven": bson.M{"$elemMatch": bson.M{"charSlotId": charSlotId}}}),
 			options.FindOneAndUpdate().SetReturnDocument(options.After),
 			options.FindOneAndUpdate().SetUpsert(true))
 	}
@@ -413,7 +619,7 @@ func (tx *transaction) GetInventory(charId int32) shared.RPCReturnType {
 
 	if err == nil {
 		slots := raw["inven"].(bson.A)[0].(map[string]interface{})["slots"]
-		tx.gs.Logger.Println("inventory read : ", playerid, slots)
+		tx.gs.Logger.Println("inventory :", playerid, charSlotId, slots)
 		return shared.MakeRPCReturn(slots, err)
 	} else {
 		return shared.MakeRPCReturn(nil, errors.New("not matched"))
diff --git a/shared/server.go b/shared/server.go
index 3d9c3c7..22d0d23 100644
--- a/shared/server.go
+++ b/shared/server.go
@@ -45,6 +45,7 @@ type functionCallContext struct {
 // RPCReturnType : RPC 호출 가능한 함수가 유일하게 리턴할 수 있는 타입
 type RPCReturnType interface {
 	Serialize(io.Writer) error
+	Value() interface{}
 	Error() error
 }
 
@@ -114,6 +115,11 @@ func (r rpcReturnTypeImpl) Error() error {
 	return r.err
 }
 
+// Error : RPCReturnType.Error 구현
+func (r rpcReturnTypeImpl) Value() interface{} {
+	return r.value.Interface()
+}
+
 // MakeRPCReturn :
 func MakeRPCReturn(value interface{}, err error) RPCReturnType {
 	return rpcReturnTypeImpl{