diff --git a/deployments/templates/openim.yaml b/deployments/templates/openim.yaml
index 4c84373a5..69f578f81 100644
--- a/deployments/templates/openim.yaml
+++ b/deployments/templates/openim.yaml
@@ -527,3 +527,9 @@ prometheus:
   rtcPrometheusPort: [ ${RTC_PROM_PORT} ]
   thirdPrometheusPort: [ ${THIRD_PROM_PORT} ]
   messageTransferPrometheusPort: [ ${MSG_TRANSFER_PROM_PORT} ] # List of ports
+
+localCache:
+  friend:
+    topic: friend
+    slotNum: 500
+    slotSize: 20000
\ No newline at end of file
diff --git a/internal/rpc/friend/friend.go b/internal/rpc/friend/friend.go
index 02e123bac..9c76c6009 100644
--- a/internal/rpc/friend/friend.go
+++ b/internal/rpc/friend/friend.go
@@ -16,8 +16,6 @@ package friend
 
 import (
 	"context"
-	"github.com/openimsdk/open-im-server/v3/pkg/common/config"
-
 	"github.com/OpenIMSDK/tools/tx"
 
 	"github.com/OpenIMSDK/protocol/sdkws"
@@ -55,11 +53,6 @@ type friendServer struct {
 }
 
 func Start(client registry.SvcDiscoveryRegistry, server *grpc.Server) error {
-
-	config.Config.LocalCache.Friend.Topic = "friend"
-	config.Config.LocalCache.Friend.SlotNum = 500
-	config.Config.LocalCache.Friend.SlotSize = 20000
-
 	// Initialize MongoDB
 	mongo, err := unrelation.NewMongo()
 	if err != nil {
diff --git a/internal/rpc/msg/server.go b/internal/rpc/msg/server.go
index 1c919372f..f5b1dd823 100644
--- a/internal/rpc/msg/server.go
+++ b/internal/rpc/msg/server.go
@@ -16,7 +16,6 @@ package msg
 
 import (
 	"context"
-	"github.com/openimsdk/open-im-server/v3/pkg/common/config"
 	"github.com/openimsdk/open-im-server/v3/pkg/rpccache"
 
 	"google.golang.org/grpc"
@@ -66,11 +65,6 @@ func (m *msgServer) execInterceptorHandler(ctx context.Context, req *msg.SendMsg
 }
 
 func Start(client discoveryregistry.SvcDiscoveryRegistry, server *grpc.Server) error {
-
-	config.Config.LocalCache.Friend.Topic = "friend"
-	config.Config.LocalCache.Friend.SlotNum = 500
-	config.Config.LocalCache.Friend.SlotSize = 20000
-
 	rdb, err := cache.NewRedis()
 	if err != nil {
 		return err
diff --git a/pkg/common/cachekey/black.go b/pkg/common/cachekey/black.go
index 841e10c6a..136972cb7 100644
--- a/pkg/common/cachekey/black.go
+++ b/pkg/common/cachekey/black.go
@@ -11,5 +11,5 @@ func GetBlackIDsKey(ownerUserID string) string {
 }
 
 func GetIsBlackIDsKey(possibleBlackUserID, userID string) string {
-	return isBlackKey + possibleBlackUserID + "-" + userID
+	return isBlackKey + userID + "-" + possibleBlackUserID
 }
diff --git a/pkg/rpccache/friend.go b/pkg/rpccache/friend.go
index f519f6f14..14adf1e0a 100644
--- a/pkg/rpccache/friend.go
+++ b/pkg/rpccache/friend.go
@@ -50,9 +50,10 @@ func (f *FriendLocalCache) IsFriend(ctx context.Context, possibleFriendUserID, u
 	return localcache.AnyValue[bool](f.local.Get(ctx, cachekey.GetIsFriendKey(possibleFriendUserID, userID), func(ctx context.Context) (any, error) {
 		log.ZDebug(ctx, "FriendLocalCache IsFriend rpc", "possibleFriendUserID", possibleFriendUserID, "userID", userID)
 		return f.client.IsFriend(ctx, possibleFriendUserID, userID)
-	}, option.NewOption().WithLink(cachekey.GetFriendIDsKey(possibleFriendUserID), cachekey.GetFriendIDsKey(userID))))
+	}, option.NewOption().WithLink(cachekey.GetFriendIDsKey(possibleFriendUserID))))
 }
 
+// IsBlack possibleBlackUserID selfUserID
 func (f *FriendLocalCache) IsBlack(ctx context.Context, possibleBlackUserID, userID string) (val bool, err error) {
 	log.ZDebug(ctx, "FriendLocalCache IsBlack req", "possibleBlackUserID", possibleBlackUserID, "userID", userID)
 	defer func() {
@@ -65,5 +66,5 @@ func (f *FriendLocalCache) IsBlack(ctx context.Context, possibleBlackUserID, use
 	return localcache.AnyValue[bool](f.local.Get(ctx, cachekey.GetIsBlackIDsKey(possibleBlackUserID, userID), func(ctx context.Context) (any, error) {
 		log.ZDebug(ctx, "FriendLocalCache IsBlack rpc", "possibleBlackUserID", possibleBlackUserID, "userID", userID)
 		return f.client.IsBlack(ctx, possibleBlackUserID, userID)
-	}, option.NewOption().WithLink(cachekey.GetBlackIDsKey(possibleBlackUserID), cachekey.GetBlackIDsKey(userID))))
+	}, option.NewOption().WithLink(cachekey.GetBlackIDsKey(userID))))
 }