diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index b1e8088..fd6d24f 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -4,11 +4,9 @@
     <option name="autoReloadType" value="ALL" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="3fefb2c4-b6f9-466b-a523-53352e8d6f95" name="更改" comment=":bug: Bug fixes in non-cached notification preferences">
+    <list default="true" id="3fefb2c4-b6f9-466b-a523-53352e8d6f95" name="更改" comment=":alien: Support better metadata encoder / decoder">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/go.mod" beforeDir="false" afterPath="$PROJECT_DIR$/go.mod" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/go.sum" beforeDir="false" afterPath="$PROJECT_DIR$/go.sum" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pkg/internal/grpc/notifier.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/internal/grpc/notifier.go" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/pkg/internal/grpc/realms.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/internal/grpc/realms.go" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -155,7 +153,6 @@
     </option>
   </component>
   <component name="VcsManagerConfiguration">
-    <MESSAGE value=":bug: Fix api key missing account id" />
     <MESSAGE value=":sparkles: Preload api key's ticket" />
     <MESSAGE value=":bug: Fix preloading issue" />
     <MESSAGE value=":bug: Fix bot related key api issue" />
@@ -180,7 +177,8 @@
     <MESSAGE value=":sparkles: More event logs point" />
     <MESSAGE value=":sparkles: New login alert" />
     <MESSAGE value=":bug: Bug fixes in non-cached notification preferences" />
-    <option name="LAST_COMMIT_MESSAGE" value=":bug: Bug fixes in non-cached notification preferences" />
+    <MESSAGE value=":alien: Support better metadata encoder / decoder" />
+    <option name="LAST_COMMIT_MESSAGE" value=":alien: Support better metadata encoder / decoder" />
   </component>
   <component name="VgoProject">
     <settings-migrated>true</settings-migrated>
diff --git a/pkg/internal/grpc/realms.go b/pkg/internal/grpc/realms.go
index af6343a..589875b 100644
--- a/pkg/internal/grpc/realms.go
+++ b/pkg/internal/grpc/realms.go
@@ -27,7 +27,7 @@ func (v *Server) ListCommunityRealm(ctx context.Context, empty *proto.ListRealmR
 				Description:  item.Description,
 				IsPublic:     item.IsPublic,
 				IsCommunity:  item.IsCommunity,
-				AccessPolicy: hyper.EncodeAccessPolicy(item.AccessPolicy),
+				AccessPolicy: hyper.EncodeMap(item.AccessPolicy),
 			}
 			if item.Avatar != nil {
 				info.Avatar = *item.Avatar
@@ -59,7 +59,7 @@ func (v *Server) ListAvailableRealm(ctx context.Context, request *proto.LookupUs
 				Description:  item.Description,
 				IsPublic:     item.IsPublic,
 				IsCommunity:  item.IsCommunity,
-				AccessPolicy: hyper.EncodeAccessPolicy(item.AccessPolicy),
+				AccessPolicy: hyper.EncodeMap(item.AccessPolicy),
 			}
 			if item.Avatar != nil {
 				info.Avatar = *item.Avatar
@@ -91,7 +91,7 @@ func (v *Server) ListOwnedRealm(ctx context.Context, request *proto.LookupUserRe
 				Description:  item.Description,
 				IsPublic:     item.IsPublic,
 				IsCommunity:  item.IsCommunity,
-				AccessPolicy: hyper.EncodeAccessPolicy(item.AccessPolicy),
+				AccessPolicy: hyper.EncodeMap(item.AccessPolicy),
 			}
 			if item.Avatar != nil {
 				info.Avatar = *item.Avatar
@@ -132,7 +132,7 @@ func (v *Server) GetRealm(ctx context.Context, request *proto.LookupRealmRequest
 		Description:  realm.Description,
 		IsPublic:     realm.IsPublic,
 		IsCommunity:  realm.IsCommunity,
-		AccessPolicy: hyper.EncodeAccessPolicy(realm.AccessPolicy),
+		AccessPolicy: hyper.EncodeMap(realm.AccessPolicy),
 	}
 	if realm.Avatar != nil {
 		info.Avatar = *realm.Avatar