diff --git a/obj.go b/obj.go
index 505808a..50da445 100644
--- a/obj.go
+++ b/obj.go
@@ -158,8 +158,8 @@ func addObjCastle(logo string, name string) (int64, error) {
 }
 
 func getObjCastleID(s string) int64 {
-	var c *ChatWarsCastle
-	c, _ = cacheObjCastle.Load(s)
+	v, _ = cacheObjCastle.Load(s)
+	c := v.(ChatWarsCastle)
 	return c.ObjID64
 }
 
@@ -170,7 +170,7 @@ func loadObjCastle() error {
 		name string
 	)
 
-	cacheObjCastle = new(sync.Map)
+	cacheObjCastle = new(*sync.Map)
 
 	castles, err := db.Query(`SELECT oc.obj_id, oc.logo, oc.name FROM obj_castle oc;`)
 	if err != nil {
@@ -244,17 +244,17 @@ func addObjGuild(tag string, name string) (int64, error) {
 }
 
 func getObjGuildID(s string) int64 {
-	var g *ChatWarsGuild
-	if g, ok := cacheObjGuild.Load(s); ok {
+	if v, ok := cacheObjGuild.Load(s); ok {
+		g := v.(ChatWarsGuild)
 		return g.ObjID64
 	} else {
 		objID64, err := addObjGuild(s, ``)
 		logOnError(err, "getObjGuildID")
-		n := new(ChatWarsGuild)
-		n.ObjID64 = objID64
-		n.Tag = s
-		n.Name = ``
-		cacheObjGuild.Store(s, *n)
+		g := new(ChatWarsGuild)
+		g.ObjID64 = objID64
+		g.Tag = s
+		g.Name = ``
+		cacheObjGuild.Store(s, *g)
 		return objID64
 	}
 }
@@ -266,7 +266,7 @@ func loadObjGuild() error {
 		name string
 	)
 
-	cacheObjGuild = new(sync.Map)
+	cacheObjGuild = new(*sync.Map)
 
 	guilds, err := db.Query(`SELECT og.obj_id, og.tag, og.name FROM obj_guild og;`)
 	if err != nil {
@@ -339,16 +339,16 @@ func addObjUser(name string) (int64, error) {
 }
 
 func getObjUserID(s string) int64 {
-	var u *ChatWarsUser
-	if u, ok := cacheObjUser.Load(s); ok {
-		return u.ObjID64
+	if v, ok := cacheObjUser.Load(s); ok {
+		u := v.(ChatWarsUser)
+		return n.ObjID64
 	} else {
 		objID64, err := addObjUser(s)
 		logOnError(err, "getObjUserID")
-		n := new(ChatWarsUser)
-		n.ObjID64 = objID64
-		n.Name = s
-		cacheObjUser.Store(s, *n)
+		u := new(ChatWarsUser)
+		u.ObjID64 = objID64
+		u.Name = s
+		cacheObjUser.Store(s, *u)
 		return objID64
 	}
 }
@@ -359,7 +359,7 @@ func loadObjUser() error {
 		name string
 	)
 
-	cacheObjUser = new(sync.Map)
+	cacheObjUser = new(*sync.Map)
 
 	users, err := db.Query(`SELECT ou.obj_id, ou.name FROM obj_user ou;`)
 	if err != nil {